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chromium / chromium / src / main / . / content / browser / renderer_host / render_widget_host_impl.cc
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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include <math.h>
#include <algorithm>
#include <optional>
#include <set>
#include <tuple>
#include <utility>
#include <vector>
#include "base/auto_reset.h"
#include "base/check.h"
#include "base/command_line.h"
#include "base/containers/contains.h"
#include "base/debug/alias.h"
#include "base/debug/dump_without_crashing.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/hash/hash.h"
#include "base/i18n/rtl.h"
#include "base/lazy_instance.h"
#include "base/location.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/observer_list.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/current_thread.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/default_tick_clock.h"
#include "base/time/time.h"
#include "base/trace_event/optional_trace_event.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/base/switches.h"
#include "cc/input/browser_controls_offset_tag_modifications.h"
#include "cc/trees/browser_controls_params.h"
#include "cc/trees/render_frame_metadata.h"
#include "components/input/dispatch_to_renderer_callback.h"
#include "components/input/features.h"
#include "components/input/input_constants.h"
#include "components/input/input_router_config_helper.h"
#include "components/input/native_web_keyboard_event.h"
#include "components/input/render_input_router.mojom.h"
#include "components/input/render_widget_host_input_event_router.h"
#include "components/input/timeout_monitor.h"
#include "components/input/utils.h"
#include "components/viz/common/features.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/browser/accessibility/browser_accessibility_state_impl.h"
#include "content/browser/bad_message.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/compositor/surface_utils.h"
#include "content/browser/devtools/devtools_instrumentation.h"
#include "content/browser/file_system/browser_file_system_helper.h"
#include "content/browser/file_system_access/file_system_access_manager_impl.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/browser/renderer_host/agent_scheduling_group_host.h"
#include "content/browser/renderer_host/data_transfer_util.h"
#include "content/browser/renderer_host/dip_util.h"
#include "content/browser/renderer_host/display_feature.h"
#include "content/browser/renderer_host/frame_token_message_queue.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/input/fling_scheduler.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/renderer_host/render_view_host_delegate.h"
#include "content/browser/renderer_host/render_view_host_delegate_view.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/renderer_host/render_widget_helper.h"
#include "content/browser/renderer_host/render_widget_host_owner_delegate.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/renderer_host/render_widget_host_view_child_frame.h"
#include "content/browser/renderer_host/visible_time_request_trigger.h"
#include "content/browser/scheduler/browser_task_executor.h"
#include "content/browser/scheduler/browser_ui_thread_scheduler.h"
#include "content/browser/storage_partition_impl.h"
#include "content/common/content_constants_internal.h"
#include "content/common/frame.mojom.h"
#include "content/common/input/synthetic_gesture.h"
#include "content/common/input/synthetic_gesture_controller.h"
#include "content/common/input/synthetic_gesture_target.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/device_service.h"
#include "content/public/browser/keyboard_event_processing_result.h"
#include "content/public/browser/peak_gpu_memory_tracker_factory.h"
#include "content/public/browser/render_frame_metadata_provider.h"
#include "content/public/browser/render_process_host_priority_client.h"
#include "content/public/browser/render_widget_host_iterator.h"
#include "content/public/browser/render_widget_host_observer.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/drop_data.h"
#include "content/public/common/result_codes.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/service/gpu_switches.h"
#include "ipc/constants.mojom.h"
#include "mojo/public/cpp/bindings/callback_helpers.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "net/base/filename_util.h"
#include "services/network/public/mojom/referrer_policy.mojom-shared.h"
#include "skia/ext/image_operations.h"
#include "skia/ext/platform_canvas.h"
#include "skia/ext/skia_utils_base.h"
#include "storage/browser/file_system/isolated_context.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_map.h"
#include "third_party/blink/public/common/input/synthetic_web_input_event_builders.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/common/widget/constants.h"
#include "third_party/blink/public/common/widget/visual_properties.h"
#include "third_party/blink/public/mojom/drag/drag.mojom.h"
#include "third_party/blink/public/mojom/frame/intrinsic_sizing_info.mojom.h"
#include "third_party/blink/public/mojom/input/touch_event.mojom.h"
#include "ui/accessibility/platform/browser_accessibility_manager.h"
#include "ui/base/clipboard/clipboard_constants.h"
#include "ui/base/cursor/cursor.h"
#include "ui/base/dragdrop/mojom/drag_drop_types.mojom.h"
#include "ui/base/ime/mojom/text_input_state.mojom.h"
#include "ui/base/mojom/menu_source_type.mojom-forward.h"
#include "ui/base/mojom/window_show_state.mojom.h"
#include "ui/base/ui_base_features.h"
#include "ui/base/ui_base_switches.h"
#include "ui/compositor/compositor.h"
#include "ui/display/display_switches.h"
#include "ui/display/display_util.h"
#include "ui/display/screen.h"
#include "ui/events/blink/web_input_event_traits.h"
#include "ui/events/event.h"
#include "ui/events/keycodes/dom/dom_code.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/vector2d_conversions.h"
#include "ui/gfx/geometry/vector2d_f.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/skbitmap_operations.h"
#include "ui/snapshot/snapshot.h"
#if BUILDFLAG(IS_ANDROID)
#include "content/browser/renderer_host/input/fling_scheduler_android.h"
#include "ui/android/view_android.h"
#endif
#if BUILDFLAG(IS_MAC)
#include "content/browser/renderer_host/input/fling_scheduler_mac.h"
#include "services/device/public/mojom/wake_lock_provider.mojom.h"
#include "ui/accelerated_widget_mac/window_resize_helper_mac.h"
#include "ui/base/cocoa/cursor_accessibility_scale_factor.h"
#endif
using blink::DragOperationsMask;
using blink::WebGestureEvent;
using blink::WebInputEvent;
using blink::WebKeyboardEvent;
using blink::WebMouseEvent;
using blink::WebMouseWheelEvent;
namespace content {
namespace {
constexpr gfx::Rect kInvalidScreenRect(std::numeric_limits<int>::max(),
std::numeric_limits<int>::max(),
0,
0);
bool g_check_for_pending_visual_properties_ack = true;
// <process id, routing id>
using RenderWidgetHostID = std::pair<int32_t, int32_t>;
using RoutingIDWidgetMap =
absl::flat_hash_map<RenderWidgetHostID, RenderWidgetHostImpl*>;
base::LazyInstance<RoutingIDWidgetMap>::DestructorAtExit
g_routing_id_widget_map = LAZY_INSTANCE_INITIALIZER;
// Implements the RenderWidgetHostIterator and RenderInputRouterIterator
// interface. It keeps a list of RenderWidgetHosts, and makes sure it returns a
// live RenderWidgetHost (or corresponding RenderInputRouter) at each iteration
// (or NULL if there isn't any left).
class RenderWidgetHostIteratorImpl : public RenderWidgetHostIterator,
public input::RenderInputRouterIterator {
public:
RenderWidgetHostIteratorImpl() = default;
RenderWidgetHostIteratorImpl(const RenderWidgetHostIteratorImpl&) = delete;
RenderWidgetHostIteratorImpl& operator=(const RenderWidgetHostIteratorImpl&) =
delete;
~RenderWidgetHostIteratorImpl() override = default;
void Add(RenderWidgetHost* host) {
hosts_.emplace_back(host->GetProcess()->GetDeprecatedID(),
host->GetRoutingID());
}
// RenderWidgetHostIterator:
RenderWidgetHost* GetNextHost() override {
RenderWidgetHost* host = nullptr;
while (current_index_ < hosts_.size() && !host) {
RenderWidgetHostID id = hosts_[current_index_];
host = RenderWidgetHost::FromID(id.first, id.second);
++current_index_;
}
return host;
}
// RenderInputRouterIterator:
input::RenderInputRouter* GetNextRouter() override {
RenderWidgetHost* host = GetNextHost();
if (!host) {
return nullptr;
}
return static_cast<RenderWidgetHostImpl*>(host)->GetRenderInputRouter();
}
private:
std::vector<RenderWidgetHostID> hosts_;
size_t current_index_ = 0;
};
std::vector<DropData::Metadata> DropDataToMetaData(const DropData& drop_data) {
std::vector<DropData::Metadata> metadata;
if (drop_data.text) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING, ui::kMimeTypePlainText16));
}
if (drop_data.url.is_valid()) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING, ui::kMimeTypeUriList16));
}
if (drop_data.html) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING, ui::kMimeTypeHtml16));
}
// On Aura, filenames are available before drop.
for (const auto& file_info : drop_data.filenames) {
if (!file_info.path.empty()) {
metadata.push_back(DropData::Metadata::CreateForFilePath(
file_info.path, file_info.display_name));
}
}
// On Android, only files' mime types are available before drop.
for (const auto& mime_type : drop_data.file_mime_types) {
if (!mime_type.empty()) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::FILENAME, mime_type));
}
}
for (const auto& file_system_file : drop_data.file_system_files) {
if (!file_system_file.url.is_empty()) {
metadata.push_back(
DropData::Metadata::CreateForFileSystemUrl(file_system_file.url));
}
}
if (drop_data.file_contents_source_url.is_valid()) {
metadata.push_back(DropData::Metadata::CreateForBinary(
drop_data.file_contents_source_url));
}
for (const auto& custom_data_item : drop_data.custom_data) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING, custom_data_item.first));
}
return metadata;
}
std::u16string GetWrappedTooltipText(
const std::u16string& tooltip_text,
base::i18n::TextDirection text_direction_hint) {
// First, add directionality marks around tooltip text if necessary.
// A naive solution would be to simply always wrap the text. However, on
// windows, Unicode directional embedding characters can't be displayed on
// systems that lack RTL fonts and are instead displayed as empty squares.
//
// To get around this we only wrap the string when we deem it necessary i.e.
// when the locale direction is different than the tooltip direction hint.
//
// Currently, we use element's directionality as the tooltip direction hint.
// An alternate solution would be to set the overall directionality based on
// trying to detect the directionality from the tooltip text rather than the
// element direction. One could argue that would be a preferable solution
// but we use the current approach to match Fx & IE's behavior.
std::u16string wrapped_tooltip_text = tooltip_text;
if (!tooltip_text.empty()) {
if (text_direction_hint == base::i18n::LEFT_TO_RIGHT) {
// Force the tooltip to have LTR directionality.
wrapped_tooltip_text =
base::i18n::GetDisplayStringInLTRDirectionality(wrapped_tooltip_text);
} else if (text_direction_hint == base::i18n::RIGHT_TO_LEFT &&
!base::i18n::IsRTL()) {
// Force the tooltip to have RTL directionality.
base::i18n::WrapStringWithRTLFormatting(&wrapped_tooltip_text);
}
}
return wrapped_tooltip_text;
}
// Retrieve an iterator over any RenderWidgetHosts that are immediately
// embedded within this one. This does not return hosts that are embedded
// indirectly (i.e. nested within embedded hosts).
std::unique_ptr<RenderWidgetHostIteratorImpl> GetEmbeddedRenderWidgetHosts(
RenderWidgetHostViewBase* parent_view) {
// This iterates over all RenderWidgetHosts and returns those whose Views
// are children of this host's View.
auto hosts = std::make_unique<RenderWidgetHostIteratorImpl>();
for (auto& it : g_routing_id_widget_map.Get()) {
RenderWidgetHost* widget = it.second;
auto* view = static_cast<RenderWidgetHostViewBase*>(widget->GetView());
if (view && view->IsRenderWidgetHostViewChildFrame() &&
static_cast<RenderWidgetHostViewChildFrame*>(view)
->GetParentViewInput() == parent_view) {
hosts->Add(widget);
}
}
return hosts;
}
} // namespace
///////////////////////////////////////////////////////////////////////////////
// RenderWidgetHostImpl
// static
std::unique_ptr<RenderWidgetHostImpl> RenderWidgetHostImpl::Create(
base::PassKey<RenderWidgetHostFactory>,
FrameTree* frame_tree,
RenderWidgetHostDelegate* delegate,
viz::FrameSinkId frame_sink_id,
base::SafeRef<SiteInstanceGroup> site_instance_group,
int32_t routing_id,
bool hidden,
bool renderer_initiated_creation,
std::unique_ptr<FrameTokenMessageQueue> frame_token_message_queue) {
return base::WrapUnique(new RenderWidgetHostImpl(
frame_tree, /*self_owned=*/false, frame_sink_id, delegate,
std::move(site_instance_group), routing_id, hidden,
renderer_initiated_creation, std::move(frame_token_message_queue)));
}
// static
RenderWidgetHostImpl* RenderWidgetHostImpl::CreateSelfOwned(
base::PassKey<RenderWidgetHostFactory>,
FrameTree* frame_tree,
RenderWidgetHostDelegate* delegate,
base::SafeRef<SiteInstanceGroup> site_instance_group,
int32_t routing_id,
bool hidden,
std::unique_ptr<FrameTokenMessageQueue> frame_token_message_queue) {
viz::FrameSinkId frame_sink_id =
DefaultFrameSinkId(*site_instance_group, routing_id);
return new RenderWidgetHostImpl(frame_tree, /*self_owned=*/true,
frame_sink_id, delegate,
std::move(site_instance_group), routing_id,
hidden, /*renderer_initiated_creation=*/true,
std::move(frame_token_message_queue));
}
RenderWidgetHostImpl::RenderWidgetHostImpl(
FrameTree* frame_tree,
bool self_owned,
viz::FrameSinkId frame_sink_id,
RenderWidgetHostDelegate* delegate,
base::SafeRef<SiteInstanceGroup> site_instance_group,
int32_t routing_id,
bool hidden,
bool renderer_initiated_creation,
std::unique_ptr<FrameTokenMessageQueue> frame_token_message_queue)
: frame_tree_(frame_tree),
self_owned_(self_owned),
waiting_for_init_(renderer_initiated_creation),
delegate_(delegate),
agent_scheduling_group_(site_instance_group->agent_scheduling_group()),
site_instance_group_(site_instance_group->GetWeakPtrToAllowDangling()),
routing_id_(routing_id),
is_hidden_(hidden),
was_ever_shown_(!hidden),
last_view_screen_rect_(kInvalidScreenRect),
last_window_screen_rect_(kInvalidScreenRect),
new_content_rendering_delay_(blink::kNewContentRenderingDelay),
frame_token_message_queue_(std::move(frame_token_message_queue)),
render_frame_metadata_provider_(
#if BUILDFLAG(IS_MAC)
ui::WindowResizeHelperMac::Get()->task_runner(),
#else
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}),
#endif
frame_token_message_queue_.get()),
frame_sink_id_(frame_sink_id),
compositor_metric_recorder_(
(frame_tree && frame_tree->is_primary())
? std::make_unique<CompositorMetricRecorder>(this)
: nullptr) {
base::ScopedUmaHistogramTimer histogram_timer(
"Navigation.RenderWidgetHostConstructor");
// The page should be hidden during prerendering.
CHECK(!frame_tree_ || !frame_tree_->is_prerendering() || hidden);
CHECK(frame_token_message_queue_);
frame_token_message_queue_->Init(this);
CHECK(delegate_);
CHECK_NE(IPC::mojom::kRoutingIdNone, routing_id_);
CHECK(base::ThreadPoolInstance::Get());
AddInputEventObserver(BrowserAccessibilityStateImpl::GetInstance());
std::pair<RoutingIDWidgetMap::iterator, bool> result =
g_routing_id_widget_map.Get().insert(std::make_pair(
RenderWidgetHostID(
agent_scheduling_group_->GetProcess()->GetDeprecatedID(),
routing_id_),
this));
CHECK(result.second) << "Inserting a duplicate item!";
// Self-owned RenderWidgetHost lifetime is managed by the renderer process.
// To avoid leaking any instance. They self-delete when their renderer process
// is gone.
if (self_owned_) {
agent_scheduling_group_->GetProcess()->AddObserver(this);
SetViewIsFrameSinkIdOwner(true);
}
render_process_blocked_state_changed_subscription_ =
agent_scheduling_group_->GetProcess()->RegisterBlockStateChangedCallback(
base::BindRepeating(
&RenderWidgetHostImpl::RenderProcessBlockedStateChanged,
base::Unretained(this)));
agent_scheduling_group_->GetProcess()->AddPriorityClient(this);
SetupRenderInputRouter();
if (!frame_tree || !frame_tree->is_primary()) {
// We are preserving the old behavior for non-primary frames because the
// paint-holding signal seems missing in non-primary frames, and more
// importantly, releasing input early is fine in this case because the page
// either does not receive an input (kPrerender) or is a non-top-frame
// (where holding back input is not needed, crbug.com/40074208).
input_router()->MakeActive();
}
const auto* command_line = base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kDisableNewContentRenderingTimeout)) {
new_content_rendering_timeout_ = std::make_unique<input::TimeoutMonitor>(
base::BindRepeating(&RenderWidgetHostImpl::ClearDisplayedGraphics,
weak_factory_.GetWeakPtr()),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
}
delegate_->RenderWidgetCreated(this);
render_frame_metadata_provider_.AddObserver(this);
if (!hidden) {
latest_shown_time_ = base::TimeTicks::Now();
first_shown_time_ = latest_shown_time_;
NotifyVizOfPageVisibilityUpdates();
}
}
RenderWidgetHostImpl::~RenderWidgetHostImpl() {
base::ScopedUmaHistogramTimer histogram_timer(
"Navigation.RenderWidgetHostDestructor");
CHECK(!self_owned_);
render_frame_metadata_provider_.RemoveObserver(this);
if (was_ever_shown_ && is_topmost_frame_widget_with_view_ &&
compositor_metric_recorder_) {
// Log UMA related to possible suppression of input events until the
// renderer has pushed content to viz (https://crbug.com/40057499).
base::UmaHistogramBoolean("Renderer.ContentProduction.SignalReceived",
first_content_metadata_received_);
if (first_content_metadata_received_) {
base::TimeDelta delay_from_unhide;
if (first_content_metadata_time_ > first_shown_time_) {
delay_from_unhide = first_content_metadata_time_ - first_shown_time_;
}
base::UmaHistogramTimes("Renderer.ContentProduction.DelayFromUnhide",
delay_from_unhide);
} else if (!paint_holding_activated_) {
base::TimeTicks now = base::TimeTicks::Now();
base::TimeDelta commit_to_unhide_delay;
base::TimeDelta lifespan_from_commit;
base::TimeDelta lifespan_from_unhide = now - first_shown_time_;
base::TimeTicks commit_nav_time =
compositor_metric_recorder_->CommitNavigationTime();
if (commit_nav_time != base::TimeTicks()) {
commit_to_unhide_delay = first_shown_time_ - commit_nav_time;
lifespan_from_commit = now - commit_nav_time;
}
base::UmaHistogramTimes("Renderer.ContentProduction.CommitToUnhideDelay",
commit_to_unhide_delay);
base::UmaHistogramTimes("Renderer.ContentProduction.LifespanFromCommit",
lifespan_from_commit);
base::UmaHistogramTimes("Renderer.ContentProduction.LifespanFromUnhide",
lifespan_from_unhide);
}
}
if (!destroyed_) {
Destroy(false);
}
}
// static
RenderWidgetHost* RenderWidgetHost::FromID(int32_t process_id,
int32_t routing_id) {
return RenderWidgetHostImpl::FromID(process_id, routing_id);
}
// static
RenderWidgetHostImpl* RenderWidgetHostImpl::FromID(int32_t process_id,
int32_t routing_id) {
CHECK_CURRENTLY_ON(BrowserThread::UI);
RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer();
auto it = widgets->find(RenderWidgetHostID(process_id, routing_id));
return it != widgets->end() ? it->second : nullptr;
}
// static
std::unique_ptr<RenderWidgetHostIterator>
RenderWidgetHost::GetRenderWidgetHosts() {
auto hosts = std::make_unique<RenderWidgetHostIteratorImpl>();
for (auto& it : g_routing_id_widget_map.Get()) {
RenderWidgetHostImpl* widget = it.second;
RenderWidgetHostOwnerDelegate* owner_delegate = widget->owner_delegate();
// If the widget is not for a main frame, add to |hosts|.
if (!owner_delegate) {
hosts->Add(widget);
continue;
}
// If the widget is for a main frame, only add if there is a RenderWidget in
// the renderer process. When this is false, there is no main RenderFrame
// and so no RenderWidget for this RenderWidgetHost.
if (owner_delegate->IsMainFrameActive()) {
hosts->Add(widget);
}
}
return std::move(hosts);
}
// static
std::unique_ptr<RenderWidgetHostIterator>
RenderWidgetHostImpl::GetAllRenderWidgetHosts() {
auto hosts = std::make_unique<RenderWidgetHostIteratorImpl>();
for (auto& it : g_routing_id_widget_map.Get()) {
hosts->Add(it.second);
}
return std::move(hosts);
}
// static
RenderWidgetHostImpl* RenderWidgetHostImpl::From(RenderWidgetHost* rwh) {
return static_cast<RenderWidgetHostImpl*>(rwh);
}
// static
viz::FrameSinkId RenderWidgetHostImpl::DefaultFrameSinkId(
const SiteInstanceGroup& group,
int routing_id) {
return viz::FrameSinkId(
base::checked_cast<uint32_t>(group.process()->GetDeprecatedID()),
base::checked_cast<uint32_t>(routing_id));
}
void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) {
synthetic_gesture_controller_.reset();
if (view) {
view_ = view->GetWeakPtr();
view_->SetIsFrameSinkIdOwner(view_is_frame_sink_id_owner_);
MaybeDispatchBufferedFrameSinkRequest();
is_topmost_frame_widget_with_view_ =
!view->IsRenderWidgetHostViewChildFrame() && !self_owned_;
if (!is_topmost_frame_widget_with_view_) {
// We need to drop input only for the topmost frame shown to the user, see
// crbug.com/40074208.
//
// TODO(https://crbug.com/397701273): What happens to the input events to
// a subframe in the navigated page?
input_router()->MakeActive();
}
// SendScreenRects() and SynchronizeVisualProperties() delay until a view
// is set, however we come here with a newly created `view` that is not
// initialized and ready to be used.
// The portal codepath comes here because it replaces the view while the
// renderer-side widget is already created. In that case the renderer will
// hear about geometry changes from the view being moved/resized as a result
// of the change.
// Speculative RenderViews also end up setting a `view` after creating the
// renderer-side widget, as per https://crbug.com/1161585. That path must
// be responsible for updating the renderer geometry itself, which it does
// because it will start hidden, and will send them when shown.
// TODO(crbug.com/40162510): Once RendererWidgetCreated() is always called
// with a non-null `view` then this comment can go away. :)
} else {
view_.reset();
}
GetRenderInputRouter()->SetView(view);
}
RenderProcessHost* RenderWidgetHostImpl::GetProcess() {
return agent_scheduling_group_->GetProcess();
}
int RenderWidgetHostImpl::GetRoutingID() {
return routing_id_;
}
RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() {
return view_.get();
}
const RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() const {
return view_.get();
}
VisibleTimeRequestTrigger&
RenderWidgetHostImpl::GetVisibleTimeRequestTrigger() {
return delegate()->GetVisibleTimeRequestTrigger();
}
const viz::FrameSinkId& RenderWidgetHostImpl::GetFrameSinkId() {
return frame_sink_id_;
}
void RenderWidgetHostImpl::SendScreenRects() {
// Sending screen rects are deferred until we have a connection to a
// renderer-side Widget to send them to. Further, if we're waiting for the
// renderer to show (aka Init()) the widget then we defer sending updates
// until the renderer is ready.
if (!renderer_widget_created_ || waiting_for_init_) {
return;
}
// TODO(danakj): The `renderer_widget_created_` flag is set to true for
// widgets owned by inactive RenderViewHosts, even though there is no widget
// created. In that case the `view_` will not be created.
if (!view_) {
return;
}
// Throttle to one update at a time.
if (waiting_for_screen_rects_ack_) {
return;
}
if (is_hidden_) {
// On GTK, this comes in for backgrounded tabs. Ignore, to match what
// happens on Win & Mac, and when the view is shown it'll call this again.
return;
}
if (last_view_screen_rect_ == view_->GetViewBounds() &&
last_window_screen_rect_ == view_->GetBoundsInRootWindow()) {
return;
}
last_view_screen_rect_ = view_->GetViewBounds();
last_window_screen_rect_ = view_->GetBoundsInRootWindow();
blink_widget_->UpdateScreenRects(
last_view_screen_rect_, last_window_screen_rect_,
base::BindOnce(&RenderWidgetHostImpl::OnUpdateScreenRectsAck,
weak_factory_.GetWeakPtr()));
waiting_for_screen_rects_ack_ = true;
}
void RenderWidgetHostImpl::SetFrameDepth(unsigned int depth) {
if (frame_depth_ == depth) {
return;
}
frame_depth_ = depth;
UpdatePriority();
}
void RenderWidgetHostImpl::SetIntersectsViewport(bool intersects) {
if (intersects_viewport_ == intersects) {
return;
}
intersects_viewport_ = intersects;
UpdatePriority();
}
void RenderWidgetHostImpl::SetShouldContributePriorityToProcess(
bool should_contribute_priority_to_process) {
if (should_contribute_priority_to_process_ ==
should_contribute_priority_to_process) {
return;
}
should_contribute_priority_to_process_ =
should_contribute_priority_to_process;
UpdatePriority();
}
void RenderWidgetHostImpl::UpdatePriority() {
if (!destroyed_) {
GetProcess()->UpdateClientPriority(this);
}
}
void RenderWidgetHostImpl::BindWidgetInterfaces(
mojo::PendingAssociatedReceiver<blink::mojom::WidgetHost> widget_host,
mojo::PendingAssociatedRemote<blink::mojom::Widget> widget) {
// This API may get called on a RenderWidgetHostImpl from a
// reused RenderViewHostImpl so we need to ensure old channels are dropped.
// TODO(dcheng): Rather than resetting here, reset when the process goes away.
blink_widget_host_receiver_.reset();
blink_widget_.reset();
GetRenderInputRouter()->ResetWidgetInputInterfaces();
blink_widget_host_receiver_.Bind(
std::move(widget_host),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
blink_widget_.Bind(std::move(widget),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
}
void RenderWidgetHostImpl::BindPopupWidgetInterface(
mojo::PendingAssociatedReceiver<blink::mojom::PopupWidgetHost>
popup_widget_host) {
blink_popup_widget_host_receiver_.reset();
blink_popup_widget_host_receiver_.Bind(
std::move(popup_widget_host),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
}
void RenderWidgetHostImpl::BindFrameWidgetInterfaces(
mojo::PendingAssociatedReceiver<blink::mojom::FrameWidgetHost>
frame_widget_host,
mojo::PendingAssociatedRemote<blink::mojom::FrameWidget> frame_widget) {
// This API may get called on a RenderWidgetHostImpl from a
// reused RenderViewHostImpl so we need to ensure old channels are dropped.
// TODO(dcheng): Rather than resetting here, reset when the process goes away.
blink_frame_widget_host_receiver_.reset();
blink_frame_widget_.reset();
widget_compositor_.reset();
GetRenderInputRouter()->ResetFrameWidgetInputInterfaces();
blink_frame_widget_host_receiver_.Bind(
std::move(frame_widget_host),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
blink_frame_widget_.Bind(
std::move(frame_widget),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
}
void RenderWidgetHostImpl::RendererWidgetCreated(bool for_frame_widget) {
CHECK(GetProcess()->IsInitializedAndNotDead());
renderer_widget_created_ = true;
mojo::PendingRemote<blink::mojom::RenderInputRouterClient> browser_remote;
blink_widget_->SetupBrowserRenderInputRouterConnections(
browser_remote.InitWithNewPipeAndPassReceiver());
GetRenderInputRouter()->BindRenderInputRouterInterfaces(
std::move(browser_remote));
GetRenderInputRouter()->RendererWidgetCreated(for_frame_widget,
/*is_in_viz=*/false);
// TODO(crbug.com/40162510): The `view_` can be null. :( Speculative
// RenderViews along with the main frame and its widget before the
// RenderWidgetHostView is created. Normally the RenderWidgetHostView should
// come first. Historically, unit tests also set things up in the wrong order
// and could get here with a null, but that is no longer the case (hopefully
// that remains true).
if (view_) {
view_->OnRendererWidgetCreated();
}
// These two methods avoid running until `renderer_widget_created_` is true,
// so we run them here after we set it.
SendScreenRects();
SynchronizeVisualProperties();
}
void RenderWidgetHostImpl::Init() {
// Note that this may be called after a renderer crash. In this case, we can
// just exit early, as there is nothing else to do. Note that
// `waiting_for_init_` should've already been reset to false in that case.
if (!renderer_widget_created_) {
CHECK(!waiting_for_init_);
return;
}
CHECK(waiting_for_init_);
waiting_for_init_ = false;
// These two methods avoid running while we are `waiting_for_init_`, so we
// run them here after we clear it.
SendScreenRects();
SynchronizeVisualProperties();
// Show/Hide state is not given to the renderer while we are
// `waiting_for_init_`, but Init() signals that the renderer is ready to
// receive them. This call will inform the renderer that the widget is shown.
if (pending_show_params_) {
CHECK(blink_widget_.is_bound());
blink_widget_->WasShown(
pending_show_params_->is_evicted,
std::move(pending_show_params_->visible_time_request));
pending_show_params_.reset();
}
}
bool RenderWidgetHostImpl::ShouldShowStaleContentOnEviction() {
return delegate_ && delegate_->ShouldShowStaleContentOnEviction();
}
void RenderWidgetHostImpl::ShutdownAndDestroyWidget(bool also_delete) {
CancelKeyboardLock();
RejectPointerLockOrUnlockIfNecessary(
blink::mojom::PointerLockResult::kElementDestroyed);
Destroy(also_delete);
}
void RenderWidgetHostImpl::SetIsLoading(bool is_loading) {
if (view_) {
view_->SetIsLoading(is_loading);
}
}
void RenderWidgetHostImpl::WasHidden() {
if (is_hidden_) {
return;
}
// Cancel pending pointer lock requests, unless there's an open user prompt.
// Prompts should remain open and functional across tab switches.
if (!delegate_ || !delegate_->IsWaitingForPointerLockPrompt(this)) {
RejectPointerLockOrUnlockIfNecessary(
blink::mojom::PointerLockResult::kWrongDocument);
}
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::WasHidden");
is_hidden_ = true;
// Unthrottle SynchronizeVisualProperties IPCs so that the first call after
// show goes through immediately.
visual_properties_ack_pending_ = false;
// Don't bother reporting hung state when we aren't active.
GetRenderInputRouter()->StopInputEventAckTimeout();
// Show/Hide state is not sent to the renderer when it has requested for us to
// wait until it requests them via Init().
if (pending_show_params_) {
pending_show_params_.reset();
} else {
// Widgets start out hidden, so we must have previously been shown to get
// here, and we'd have a `pending_show_params_` if we are
// `waiting_for_init_`.
CHECK(!waiting_for_init_);
blink_widget_->WasHidden();
}
// Tell the RenderProcessHost we were hidden.
GetProcess()->UpdateClientPriority(this);
NotifyVizOfPageVisibilityUpdates();
for (auto& observer : observers_) {
observer.RenderWidgetHostVisibilityChanged(this, false);
}
}
void RenderWidgetHostImpl::WasShown(
blink::mojom::RecordContentToVisibleTimeRequestPtr
record_tab_switch_time_request) {
// The page should never be visible during prerendering.
CHECK(!frame_tree_ || !frame_tree_->is_prerendering());
if (!is_hidden_) {
return;
}
TRACE_EVENT_WITH_FLOW0("renderer_host", "RenderWidgetHostImpl::WasShown",
routing_id_, TRACE_EVENT_FLAG_FLOW_OUT);
is_hidden_ = false;
latest_shown_time_ = base::TimeTicks::Now();
if (!was_ever_shown_) {
was_ever_shown_ = true;
first_shown_time_ = latest_shown_time_;
}
// If we navigated in background, clear the displayed graphics of the
// previous page before going visible.
// TODO(crbug.com/40249421): Checking if there is a content rendering timeout
// running isn't ideal for seeing if the tab navigated in the background.
ForceFirstFrameAfterNavigationTimeout();
RestartRenderInputRouterInputEventAckTimeout();
// This methods avoids running when the widget is hidden, so we run it here
// once it is no longer hidden.
SendScreenRects();
// SendScreenRects() and SynchronizeVisualProperties() should happen
// together as one message, but we send them back-to-back for now so that
// all state gets to the renderer as close together as possible.
//
// If we are evicted we need to unthrottle the synchronization. The pending
// ack could have been set after we were hidden. We need to always sync the
// new `viz::LocalSurfaceId` to restore from being evicted.
if (view_->is_evicted()) {
SynchronizeVisualPropertiesIgnoringPendingAck();
} else {
SynchronizeVisualProperties();
}
CHECK(!pending_show_params_);
if (!waiting_for_init_) {
blink_widget_->WasShown(view_->is_evicted(),
std::move(record_tab_switch_time_request));
} else {
// Delay the WasShown message until Init is called.
pending_show_params_.emplace(view_->is_evicted(),
std::move(record_tab_switch_time_request));
}
view_->reset_is_evicted();
GetProcess()->UpdateClientPriority(this);
NotifyVizOfPageVisibilityUpdates();
for (auto& observer : observers_) {
observer.RenderWidgetHostVisibilityChanged(this, true);
}
// It's possible for our size to be out of sync with the renderer. The
// following is one case that leads to this:
// 1. SynchronizeVisualProperties -> Send
// WidgetMsg_SynchronizeVisualProperties
// to render.
// 2. SynchronizeVisualProperties -> do nothing as
// sync_visual_props_ack_pending_ is true
// 3. WasHidden
// By invoking SynchronizeVisualProperties the renderer is updated as
// necessary. SynchronizeVisualProperties does nothing if the sizes are
// already in sync.
//
// TODO: ideally blink::mojom::Widget's WasShown would take a size. This way,
// the renderer could handle both the restore and resize at once. This isn't
// that big a deal as RenderWidget::WasShown delays updating, so that the
// resize from SynchronizeVisualProperties is usually processed before the
// renderer is painted.
SynchronizeVisualProperties();
if (synthetic_gesture_controller_) {
// Synthetic gestures queued while hidden are deferred until the widget
// becomes visible.
synthetic_gesture_controller_->StartIfNeeded();
}
}
void RenderWidgetHostImpl::RequestSuccessfulPresentationTimeForNextFrame(
blink::mojom::RecordContentToVisibleTimeRequestPtr visible_time_request) {
CHECK(!is_hidden_);
CHECK(visible_time_request);
if (waiting_for_init_) {
// This method should only be called if the RWHI is already visible, meaning
// there will be a WasShown call that's queued until init. Update that with
// the new request.
CHECK(pending_show_params_);
pending_show_params_->visible_time_request =
std::move(visible_time_request);
return;
}
CHECK(!pending_show_params_);
blink_widget_->RequestSuccessfulPresentationTimeForNextFrame(
std::move(visible_time_request));
}
void RenderWidgetHostImpl::CancelSuccessfulPresentationTimeRequest() {
CHECK(!is_hidden_);
if (waiting_for_init_) {
// This method should only be called if the RWHI is already visible, meaning
// there will be a WasShown call that's queued until init. Update that to
// clear any request that was set.
CHECK(pending_show_params_);
pending_show_params_->visible_time_request = nullptr;
return;
}
CHECK(!pending_show_params_);
blink_widget_->CancelSuccessfulPresentationTimeRequest();
}
#if BUILDFLAG(IS_ANDROID)
void RenderWidgetHostImpl::SetImportance(ChildProcessImportance importance) {
if (importance_ == importance) {
return;
}
importance_ = importance;
GetProcess()->UpdateClientPriority(this);
}
void RenderWidgetHostImpl::AddImeInputEventObserver(
RenderWidgetHost::InputEventObserver* observer) {
if (!ime_input_event_observers_.HasObserver(observer)) {
ime_input_event_observers_.AddObserver(observer);
}
}
void RenderWidgetHostImpl::RemoveImeInputEventObserver(
RenderWidgetHost::InputEventObserver* observer) {
ime_input_event_observers_.RemoveObserver(observer);
}
#endif
blink::VisualProperties RenderWidgetHostImpl::GetInitialVisualProperties() {
blink::VisualProperties initial_props = GetVisualProperties();
// A RenderWidget being created in the renderer means the browser should
// reset any state that may be set for the previous RenderWidget but which
// will be incorrect with a fresh RenderWidget.
ResetStateForCreatedRenderWidget(initial_props);
return initial_props;
}
blink::VisualProperties RenderWidgetHostImpl::GetVisualProperties() {
// This is only called while the RenderWidgetHost is attached to a delegate
// still.
CHECK(delegate_);
// When the renderer process is gone, there's no need for VisualProperties
// which are to be sent to the renderer process.
CHECK(view_);
// Differentiate between widgets for frames vs widgets for popups/pepper.
// Historically this was done by finding the RenderViewHost for the widget,
// but a child local root would not convert to a RenderViewHost but is for a
// frame.
const bool is_frame_widget = !self_owned_;
blink::VisualProperties visual_properties;
visual_properties.screen_infos = GetScreenInfos();
auto& current_screen_info = visual_properties.screen_infos.mutable_current();
// For testing, override the raster color profile.
// Note: this needs to be done here and not earlier in the pipeline because
// Mac uses the display color space to update an NSSurface and this setting
// is only for "raster" color space.
if (display::Display::HasForceRasterColorProfile()) {
for (auto& screen_info : visual_properties.screen_infos.screen_infos) {
screen_info.display_color_spaces = gfx::DisplayColorSpaces(
display::Display::GetForcedRasterColorProfile());
}
}
visual_properties.is_fullscreen_granted = delegate_->IsFullscreen();
if (is_frame_widget) {
visual_properties.display_mode = delegate_->GetDisplayMode();
} else {
visual_properties.display_mode = blink::mojom::DisplayMode::kBrowser;
}
visual_properties.zoom_level = delegate_->GetPendingZoomLevel(this);
visual_properties.css_zoom_factor = view_->GetCSSZoomFactor();
RenderViewHostDelegateView* rvh_delegate_view = delegate_->GetDelegateView();
CHECK(rvh_delegate_view);
visual_properties.browser_controls_params.browser_controls_shrink_blink_size =
rvh_delegate_view->DoBrowserControlsShrinkRendererSize();
visual_properties.browser_controls_params
.animate_browser_controls_height_changes =
rvh_delegate_view->ShouldAnimateBrowserControlsHeightChanges();
visual_properties.browser_controls_params
.only_expand_top_controls_at_page_top =
rvh_delegate_view->OnlyExpandTopControlsAtPageTop();
visual_properties.browser_controls_params.top_controls_height =
rvh_delegate_view->GetTopControlsHeight();
visual_properties.browser_controls_params.top_controls_min_height =
rvh_delegate_view->GetTopControlsMinHeight();
visual_properties.browser_controls_params.bottom_controls_height =
rvh_delegate_view->GetBottomControlsHeight();
visual_properties.browser_controls_params.bottom_controls_min_height =
rvh_delegate_view->GetBottomControlsMinHeight();
visual_properties.auto_resize_enabled = auto_resize_enabled_;
visual_properties.min_size_for_auto_resize = min_size_for_auto_resize_;
visual_properties.max_size_for_auto_resize = max_size_for_auto_resize_;
visual_properties.new_size_device_px =
view_->GetRequestedRendererSizeDevicePx();
// This widget is for either the main frame of the outermost frame tree or a
// non-frame widget.
const bool is_topmost_widget = !view_->IsRenderWidgetHostViewChildFrame();
// This widget is for a frame, but not the main frame of its frame tree.
const bool is_child_frame_widget =
view_->IsRenderWidgetHostViewChildFrame() && !owner_delegate_;
// These properties come from the main frame RenderWidget and flow down the
// tree of RenderWidgets. Some properties are global across all nested
// WebContents/frame trees. Some properties are global only within their
// WebContents/frame tree.
//
// Each child frame RenderWidgetHost that inherits values gets them from their
// parent RenderWidget in the renderer process. It then passes them along to
// its own RenderWidget, and the process repeats down the tree.
//
// The plumbing goes:
// 1. Browser: parent RenderWidgetHost
// 2. IPC -> blink::mojom::Widget::UpdateVisualProperties
// 3. Renderer A: parent RenderWidget
// (sometimes blink involved)
// 4. Renderer A: child blink::RemoteFrame
// 5. IPC -> FrameHostMsg_SynchronizeVisualProperties
// 6. Browser: child CrossProcessFrameConnector
// 7. Browser: parent RenderWidgetHost (We're here if |is_child_frame|.)
// 8. IPC -> blink::mojom::Widget::UpdateVisualProperties
// 9. Renderer B: child RenderWidget
// This property comes from the top-level main frame.
if (is_topmost_widget) {
visual_properties.compositor_viewport_pixel_rect =
gfx::Rect(view_->GetCompositorViewportPixelSize());
visual_properties.window_controls_overlay_rect =
delegate_->GetWindowsControlsOverlayRect();
visual_properties.virtual_keyboard_resize_height_device_px =
delegate_->GetVirtualKeyboardResizeHeight();
visual_properties.window_show_state = delegate_->GetWindowShowState();
visual_properties.resizable = delegate_->GetResizable();
} else {
visual_properties.compositor_viewport_pixel_rect =
properties_from_parent_local_root_.compositor_viewport;
visual_properties.window_show_state = ui::mojom::WindowShowState::kDefault;
// These properties come from the top-level main frame's renderer. The
// top-level main frame in the browser doesn't specify a value.
visual_properties.page_scale_factor =
properties_from_parent_local_root_.page_scale_factor;
visual_properties.is_pinch_gesture_active =
properties_from_parent_local_root_.is_pinch_gesture_active;
}
visual_properties.compositing_scale_factor =
properties_from_parent_local_root_.compositing_scale_factor;
#if BUILDFLAG(IS_MAC)
// Only macOS cursor scaling affects CSS custom cursor images for now.
visual_properties.cursor_accessibility_scale_factor =
ui::GetCursorAccessibilityScaleFactor();
#endif
// The |visible_viewport_size| is affected by auto-resize which is magical and
// tricky.
//
// For the top-level main frame, auto resize ends up asynchronously resizing
// the widget's RenderWidgetHostView and the size will show up there, so
// nothing needs to be written in here.
//
// For nested main frames, auto resize happens in the renderer so we need to
// store the size on this class and use that. When auto-resize is not enabled
// we use the size of the nested main frame's RenderWidgetHostView.
//
// For child frames, we always use the value provided from the parent.
//
// For non-frame widgets, there is no auto-resize and we behave like the top-
// level main frame.
gfx::Size viewport_device_px;
gfx::Size viewport_dips;
float dip_scale = 1 / GetDeviceScaleFactor();
if (is_child_frame_widget) {
viewport_device_px =
properties_from_parent_local_root_.visible_viewport_size;
viewport_dips = gfx::ScaleToCeiledSize(viewport_device_px, dip_scale);
} else {
viewport_device_px = view_->GetVisibleViewportSizeDevicePx();
viewport_dips = view_->GetVisibleViewportSize();
}
visual_properties.visible_viewport_size_device_px = viewport_device_px;
// The root widget's viewport segments are computed here - child frames just
// use the value provided from the parent.
if (is_topmost_widget) {
std::optional<DisplayFeature> display_feature = view_->GetDisplayFeature();
if (display_feature) {
int top_controls_height =
visual_properties.browser_controls_params
.browser_controls_shrink_blink_size
? visual_properties.browser_controls_params.top_controls_height
: visual_properties.browser_controls_params
.top_controls_min_height;
visual_properties.root_widget_viewport_segments =
display_feature->ComputeViewportSegments(
viewport_dips, top_controls_height * dip_scale);
} else {
visual_properties.root_widget_viewport_segments = {
gfx::Rect(viewport_dips)};
}
} else {
visual_properties.root_widget_viewport_segments =
properties_from_parent_local_root_.root_widget_viewport_segments;
}
visual_properties.capture_sequence_number = view_->GetCaptureSequenceNumber();
// TODO(ccameron): GetLocalSurfaceId is not synchronized with the device
// scale factor of the surface. Fix this.
viz::LocalSurfaceId local_surface_id = view_->GetLocalSurfaceId();
if (local_surface_id.is_valid()) {
visual_properties.local_surface_id = local_surface_id;
}
if (screen_orientation_type_for_testing_) {
current_screen_info.orientation_type =
*screen_orientation_type_for_testing_;
}
if (screen_orientation_angle_for_testing_) {
current_screen_info.orientation_angle =
*screen_orientation_angle_for_testing_;
}
return visual_properties;
}
void RenderWidgetHostImpl::ClearVisualProperties() {
old_visual_properties_.reset();
visual_properties_ack_pending_ = false;
}
bool RenderWidgetHostImpl::UpdateVisualProperties(bool propagate) {
return SynchronizeVisualProperties(false, propagate);
}
bool RenderWidgetHostImpl::SynchronizeVisualProperties() {
return SynchronizeVisualProperties(false, true);
}
bool RenderWidgetHostImpl::SynchronizeVisualPropertiesIgnoringPendingAck() {
visual_properties_ack_pending_ = false;
return SynchronizeVisualProperties();
}
bool RenderWidgetHostImpl::SynchronizeVisualProperties(
bool scroll_focused_node_into_view,
bool propagate) {
// If the RenderViewHost is inactive, then there is no RenderWidget that can
// receive visual properties yet, even though we are setting them on the
// browser side. Wait until there is a local main frame with a RenderWidget
// to receive these before sending the visual properties.
//
// When the RenderViewHost becomes active, a SynchronizeVisualProperties()
// call does not explicitly get made. That is because RenderWidgets for frames
// are created and initialized with a valid VisualProperties already, and once
// their initial navigation completes (and they are in the foreground) the
// RenderWidget will be shown, which means a VisualProperties update happens
// at the time where compositing begins.
//
// Note that this drops |scroll_focused_node_into_view| but this value does
// not make sense for an inactive RenderViewHost's top level RenderWidgetHost,
// because there is no frames associated with the RenderWidget when it is
// inactive, so there is no focused node, or anything to scroll and display.
if (owner_delegate_ && !owner_delegate_->IsMainFrameActive()) {
return false;
}
// Sending VisualProperties are deferred until we have a connection to a
// renderer-side Widget to send them to. Further, if we're waiting for the
// renderer to show (aka Init()) the widget then we defer sending updates
// until the renderer is ready.
if (!renderer_widget_created_ || waiting_for_init_) {
return false;
}
// TODO(danakj): The `renderer_widget_created_` flag is set to true for
// widgets owned by inactive RenderViewHosts, even though there is no widget
// created. In that case the `view_` will not be created.
if (!view_) {
return false;
}
// Throttle to one update at a time.
if (visual_properties_ack_pending_) {
return false;
}
// Skip if the |delegate_| has already been detached because it's web contents
// is being deleted, or if LocalSurfaceId is suppressed, as we are
// first updating our internal state from a child's request, before
// subsequently merging ids to send.
if (!GetProcess()->IsInitializedAndNotDead() || !view_->HasSize() ||
!delegate_ || surface_id_allocation_suppressed_ ||
!view_->CanSynchronizeVisualProperties()) {
return false;
}
auto visual_properties = std::make_unique<blink::VisualProperties>();
*visual_properties = GetVisualProperties();
if (!StoredVisualPropertiesNeedsUpdate(old_visual_properties_,
*visual_properties)) {
return false;
}
visual_properties->scroll_focused_node_into_view =
scroll_focused_node_into_view;
if (propagate) {
blink_widget_->UpdateVisualProperties(*visual_properties);
}
bool width_changed = !old_visual_properties_ ||
old_visual_properties_->new_size_device_px.width() !=
visual_properties->new_size_device_px.width();
// WidgetBase::UpdateSurfaceAndScreenInfo uses similar logic to detect
// orientation changes on the display currently showing the widget.
// TODO(lanwei): clean the duplicate code.
if (visual_properties && old_visual_properties_) {
const auto& old_screen_info =
old_visual_properties_->screen_infos.current();
const auto& screen_info = visual_properties->screen_infos.current();
bool orientation_changed =
old_screen_info.orientation_angle != screen_info.orientation_angle ||
old_screen_info.orientation_type != screen_info.orientation_type;
if (orientation_changed) {
delegate_->DidChangeScreenOrientation();
}
}
GetRenderInputRouter()->SetDeviceScaleFactor(
visual_properties->screen_infos.current().device_scale_factor);
// If we do not have a valid viz::LocalSurfaceId then we are a child frame
// waiting on the id to be propagated from our parent. We cannot create a hash
// for tracing of an invalid id.
//
// TODO(jonross): Untangle startup so that we don't have this invalid partial
// state. (https://crbug.com/1185286) (https://crbug.com/419087)
if (visual_properties->local_surface_id.has_value()) {
TRACE_EVENT_WITH_FLOW2(
TRACE_DISABLED_BY_DEFAULT("viz.surface_id_flow"),
"RenderWidgetHostImpl::SynchronizeVisualProperties send message",
visual_properties->local_surface_id->submission_trace_id(),
TRACE_EVENT_FLAG_FLOW_OUT, "message",
"WidgetMsg_SynchronizeVisualProperties", "local_surface_id",
visual_properties->local_surface_id->ToString());
}
visual_properties_ack_pending_ =
DoesVisualPropertiesNeedAck(old_visual_properties_, *visual_properties);
old_visual_properties_ = std::move(visual_properties);
// Warning: |visual_properties| invalid after this point.
if (delegate_) {
delegate_->RenderWidgetWasResized(this, width_changed);
}
return true;
}
void RenderWidgetHostImpl::GotFocus() {
Focus();
if (owner_delegate_) {
owner_delegate_->RenderWidgetGotFocus();
}
}
void RenderWidgetHostImpl::LostFocus() {
Blur();
if (owner_delegate_) {
owner_delegate_->RenderWidgetLostFocus();
}
has_lost_focus_ = true;
}
void RenderWidgetHostImpl::Focus() {
// TODO(crbug.com/40505391): This sends it to the main frame RenderWidgetHost
// should it be going to the local root instead?
RenderWidgetHostImpl* focused_widget =
delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr;
if (!focused_widget) {
focused_widget = this;
}
focused_widget->SetPageFocus(true);
}
void RenderWidgetHostImpl::Blur() {
// TODO(crbug.com/40505391): This sends it to the main frame RenderWidgetHost
// should it be going to the local root instead?
RenderWidgetHostImpl* focused_widget =
delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr;
if (!focused_widget) {
focused_widget = this;
}
focused_widget->SetPageFocus(false);
}
void RenderWidgetHostImpl::FlushForTesting() {
GetRenderInputRouter()->FlushForTesting();
}
void RenderWidgetHostImpl::SetPageFocus(bool focused) {
OPTIONAL_TRACE_EVENT1("content", "RenderWidgetHostImpl::SetPageFocus",
"is_focused", focused);
is_focused_ = focused;
// If focused state is being set is_active must be true. Android does
// not call SetActive so if we are trying to focus ensure `is_active`
// is true.
if (focused) {
is_active_ = true;
}
if (!focused) {
// If there is a pending mouse lock request, we don't want to reject it at
// this point. The user can switch focus back to this view and approve the
// request later.
if (IsPointerLocked()) {
view_->UnlockPointer();
}
if (IsKeyboardLocked()) {
UnlockKeyboard();
}
if (auto* touch_emulator =
GetTouchEmulator(/*create_if_necessary=*/false)) {
touch_emulator->CancelTouch();
}
} else if (keyboard_lock_allowed_) {
LockKeyboard();
}
blink::mojom::FocusState focus_state =
blink::mojom::FocusState::kNotFocusedAndNotActive;
if (focused) {
focus_state = blink::mojom::FocusState::kFocused;
} else if (is_active_) {
focus_state = blink::mojom::FocusState::kNotFocusedAndActive;
}
GetWidgetInputHandler()->SetFocus(focus_state);
// Also send page-level focus state to other SiteInstances involved in
// rendering the current FrameTree, if this widget is for a main frame.
// TODO(crbug.com/40505391): We should be telling `frame_tree_` which
// RenderWidgetHost was focused (if we send it to the focused one instead
// of the main frame in order to order it correctly with other input events),
// so that `frame_tree_` can propagate it to all other WebViews based on
// where this RenderWidgetHost lives.
if (owner_delegate_ && frame_tree_) {
frame_tree_->ReplicatePageFocus(focused);
}
}
void RenderWidgetHostImpl::LostCapture() {
if (auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false)) {
touch_emulator->CancelTouch();
}
GetWidgetInputHandler()->MouseCaptureLost();
}
void RenderWidgetHostImpl::SetActive(bool active) {
is_active_ = active;
if (blink_frame_widget_) {
blink_frame_widget_->SetActive(active);
}
}
void RenderWidgetHostImpl::LostPointerLock() {
if (delegate_) {
delegate_->LostPointerLock(this);
}
}
void RenderWidgetHostImpl::SendPointerLockLost() {
pointer_lock_context_.reset();
}
void RenderWidgetHostImpl::ViewDestroyed() {
CancelKeyboardLock();
RejectPointerLockOrUnlockIfNecessary(
blink::mojom::PointerLockResult::kElementDestroyed);
// TODO(evanm): tracking this may no longer be necessary;
// eliminate this function if so.
SetView(nullptr);
}
bool RenderWidgetHostImpl::RequestRepaintOnNewSurface() {
if (!view_) {
return false;
}
return view_->RequestRepaintOnNewSurface();
}
void RenderWidgetHostImpl::RenderProcessBlockedStateChanged(bool blocked) {
GetRenderInputRouter()->RenderProcessBlockedStateChanged(blocked);
}
void RenderWidgetHostImpl::NotifyVizOfPageVisibilityUpdates() {
if (auto* delegate_remote =
mojo_rir_delegate_impl_.GetRenderInputRouterDelegateRemote()) {
delegate_remote->NotifyVisibilityChanged(frame_sink_id_, is_hidden_);
}
}
void RenderWidgetHostImpl::RestartRenderInputRouterInputEventAckTimeout() {
if (is_hidden_) {
return;
}
// Notifies RenderInputRouters on both browser and VizCompositor to restart
// their input event ack timers.
if (auto* remote =
mojo_rir_delegate_impl_.GetRenderInputRouterDelegateRemote()) {
remote->RestartInputEventAckTimeoutIfNecessary(GetFrameSinkId());
}
GetRenderInputRouter()->RestartInputEventAckTimeoutIfNecessary();
}
bool RenderWidgetHostImpl::IsCurrentlyUnresponsive() {
return is_unresponsive_;
}
void RenderWidgetHostImpl::DidNavigate() {
// Resize messages before navigation are not acked, so reset
// |visual_properties_ack_pending_| and make sure the next resize will be
// acked if the last resize before navigation was supposed to be acked.
visual_properties_ack_pending_ = false;
if (view_) {
view_->DidNavigate();
}
}
void RenderWidgetHostImpl::InitializePaintHolding(bool active) {
paint_holding_activated_ = active;
if (!active) {
// Input router remains inactive in the post-navigation page while
// paint-holding shows the user a snapshot of previous page. If
// paint-holding is not active, there is no need to hold back input from the
// new page.
input_router()->MakeActive();
return;
}
if (!new_content_rendering_timeout_) {
return;
}
new_content_rendering_timeout_->Start(new_content_rendering_delay_);
}
void RenderWidgetHostImpl::SetNewContentRenderingTimeoutForTesting(
base::TimeDelta timeout) {
CHECK(new_content_rendering_timeout_);
CHECK(!new_content_rendering_timeout_->IsRunning());
new_content_rendering_delay_ = timeout;
}
void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
ForwardMouseEventWithLatencyInfo(mouse_event, ui::LatencyInfo());
if (owner_delegate_) {
owner_delegate_->RenderWidgetDidForwardMouseEvent(mouse_event);
}
}
void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
const WebMouseEvent& mouse_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent", "x",
mouse_event.PositionInWidget().x(), "y",
mouse_event.PositionInWidget().y());
CHECK_GE(mouse_event.GetType(), WebInputEvent::Type::kMouseTypeFirst);
CHECK_LE(mouse_event.GetType(), WebInputEvent::Type::kMouseTypeLast);
if (delegate_ && delegate_->PreHandleMouseEvent(mouse_event)) {
return;
}
for (auto& mouse_event_callback : mouse_event_callbacks_) {
if (mouse_event_callback.Run(mouse_event)) {
return;
}
}
if (IsIgnoringWebInputEvents(mouse_event)) {
return;
}
auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false);
if (touch_emulator &&
touch_emulator->HandleMouseEvent(mouse_event, GetView())) {
return;
}
input::MouseEventWithLatencyInfo mouse_with_latency(mouse_event, latency);
GetRenderInputRouter()->DispatchInputEventWithLatencyInfo(
mouse_with_latency.event, &mouse_with_latency.latency,
&mouse_with_latency.event.GetModifiableEventLatencyMetadata());
{
input::ScopedDispatchToRendererCallback dispatch_callback(
GetRenderInputRouter()->GetDispatchToRendererCallback());
input_router()->SendMouseEvent(
mouse_with_latency,
base::BindOnce(&RenderWidgetHostImpl::OnMouseEventAck,
weak_factory_.GetWeakPtr()),
dispatch_callback.callback);
}
}
void RenderWidgetHostImpl::ForwardWheelEvent(
const WebMouseWheelEvent& wheel_event) {
ForwardWheelEventWithLatencyInfo(wheel_event, ui::LatencyInfo());
}
void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo(
const WebMouseWheelEvent& wheel_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardWheelEvent", "dx",
wheel_event.delta_x, "dy", wheel_event.delta_y);
if (IsIgnoringWebInputEvents(wheel_event)) {
return;
}
auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false);
if (touch_emulator && touch_emulator->HandleMouseWheelEvent(wheel_event)) {
return;
}
input::MouseWheelEventWithLatencyInfo wheel_with_latency(wheel_event,
latency);
GetRenderInputRouter()->DispatchInputEventWithLatencyInfo(
wheel_with_latency.event, &wheel_with_latency.latency,
&wheel_with_latency.event.GetModifiableEventLatencyMetadata());
{
input::ScopedDispatchToRendererCallback dispatch_callback(
GetRenderInputRouter()->GetDispatchToRendererCallback());
input_router()->SendWheelEvent(wheel_with_latency,
dispatch_callback.callback);
}
}
void RenderWidgetHostImpl::WaitForInputProcessed(
SyntheticGestureParams::GestureType type,
content::mojom::GestureSourceType source,
base::OnceClosure callback) {
// TODO(bokan): Input can be queued and delayed in InputRouterImpl based on
// the kind of events we're getting. To be truly robust, we should wait until
// those queues are flushed before issuing this message. This will be done in
// a follow-up and is the reason for the currently unused type and source
// params. https://crbug.com/902446.
WaitForInputProcessed(std::move(callback));
}
void RenderWidgetHostImpl::WaitForInputProcessed(base::OnceClosure callback) {
input_router()->WaitForInputProcessed(std::move(callback));
}
void RenderWidgetHostImpl::ForwardGestureEvent(
const WebGestureEvent& gesture_event) {
GetRenderInputRouter()->ForwardGestureEventWithLatencyInfo(gesture_event,
ui::LatencyInfo());
}
void RenderWidgetHostImpl::ForwardKeyboardEvent(
const input::NativeWebKeyboardEvent& key_event) {
ui::LatencyInfo latency_info;
ForwardKeyboardEventWithLatencyInfo(key_event, latency_info);
}
void RenderWidgetHostImpl::ForwardKeyboardEventWithLatencyInfo(
const input::NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency) {
ForwardKeyboardEventWithCommands(
key_event, latency, std::vector<blink::mojom::EditCommandPtr>(), nullptr);
}
void RenderWidgetHostImpl::ForwardKeyboardEventWithCommands(
const input::NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency,
std::vector<blink::mojom::EditCommandPtr> commands,
bool* update_event) {
CHECK(WebInputEvent::IsKeyboardEventType(key_event.GetType()));
TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent");
if (owner_delegate_ &&
!owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) {
return;
}
if (IsIgnoringWebInputEvents(key_event)) {
return;
}
if (!GetProcess()->IsInitializedAndNotDead()) {
return;
}
// First, let keypress listeners take a shot at handling the event. If a
// listener handles the event, it should not be propagated to the renderer.
if (KeyPressListenersHandleEvent(key_event)) {
// Some keypresses that are accepted by the listener may be followed by Char
// and KeyUp events, which should be ignored.
if (key_event.GetType() == WebKeyboardEvent::Type::kRawKeyDown) {
suppress_events_until_keydown_ = true;
}
return;
}
if (suppress_events_until_keydown_) {
// If the preceding RawKeyDown event was handled by the browser, then we
// need to suppress all events generated by it until the next RawKeyDown or
// KeyDown event.
// However, always prehandle the Esc KeyUp events because they are needed to
// manage press-and-hold Esc key shortcuts for exiting browser fullscreen
// and keyboard lock.
if (key_event.GetType() == WebKeyboardEvent::Type::kKeyUp ||
key_event.GetType() == WebKeyboardEvent::Type::kChar) {
if (key_event.GetType() == WebKeyboardEvent::Type::kKeyUp &&
key_event.windows_key_code == ui::VKEY_ESCAPE) {
delegate_->PreHandleKeyboardEvent(key_event);
}
return;
}
CHECK(key_event.GetType() == WebKeyboardEvent::Type::kRawKeyDown ||
key_event.GetType() == WebKeyboardEvent::Type::kKeyDown);
suppress_events_until_keydown_ = false;
}
bool is_shortcut = false;
// Only pre-handle the key event if it's not handled by the input method.
if (delegate_ && !key_event.skip_if_unhandled) {
// We need to set |suppress_events_until_keydown_| to true if
// PreHandleKeyboardEvent() handles the event, but |this| may already be
// destroyed at that time. So set |suppress_events_until_keydown_| true
// here, then revert it afterwards when necessary.
if (key_event.GetType() == WebKeyboardEvent::Type::kRawKeyDown) {
suppress_events_until_keydown_ = true;
}
// Tab switching/closing accelerators aren't sent to the renderer to avoid
// a hung/malicious renderer from interfering.
switch (delegate_->PreHandleKeyboardEvent(key_event)) {
case KeyboardEventProcessingResult::HANDLED:
return;
#if defined(USE_AURA)
case KeyboardEventProcessingResult::HANDLED_DONT_UPDATE_EVENT:
if (update_event) {
*update_event = false;
}
return;
#endif
case KeyboardEventProcessingResult::NOT_HANDLED:
break;
case KeyboardEventProcessingResult::NOT_HANDLED_IS_SHORTCUT:
is_shortcut = true;
break;
}
if (key_event.GetType() == WebKeyboardEvent::Type::kRawKeyDown) {
suppress_events_until_keydown_ = false;
}
}
auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false);
if (touch_emulator && touch_emulator->HandleKeyboardEvent(key_event)) {
return;
}
input::NativeWebKeyboardEventWithLatencyInfo key_event_with_latency(key_event,
latency);
key_event_with_latency.event.is_browser_shortcut = is_shortcut;
GetRenderInputRouter()->DispatchInputEventWithLatencyInfo(
key_event_with_latency.event, &key_event_with_latency.latency,
&key_event_with_latency.event.GetModifiableEventLatencyMetadata());
// TODO(foolip): |InputRouter::SendKeyboardEvent()| may filter events, in
// which the commands will be treated as belonging to the next key event.
// WidgetInputHandler::SetEditCommandsForNextKeyEvent should only be sent if
// WidgetInputHandler::DispatchEvent is, but has to be sent first.
// https://crbug.com/684298
if (!commands.empty()) {
GetWidgetInputHandler()->SetEditCommandsForNextKeyEvent(
std::move(commands));
}
{
input::ScopedDispatchToRendererCallback dispatch_callback(
GetRenderInputRouter()->GetDispatchToRendererCallback());
input_router()->SendKeyboardEvent(
key_event_with_latency,
base::BindOnce(&RenderWidgetHostImpl::OnKeyboardEventAck,
weak_factory_.GetWeakPtr()),
dispatch_callback.callback);
}
}
void RenderWidgetHostImpl::CreateSyntheticGestureControllerIfNecessary() {
if (!synthetic_gesture_controller_ && view_) {
synthetic_gesture_controller_ =
std::make_unique<SyntheticGestureController>(
this, view_->CreateSyntheticGestureTarget(),
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
}
}
void RenderWidgetHostImpl::QueueSyntheticGesture(
std::unique_ptr<SyntheticGesture> synthetic_gesture,
base::OnceCallback<void(SyntheticGesture::Result)> on_complete) {
CreateSyntheticGestureControllerIfNecessary();
if (synthetic_gesture_controller_) {
synthetic_gesture_controller_->QueueSyntheticGesture(
std::move(synthetic_gesture), std::move(on_complete));
}
}
void RenderWidgetHostImpl::QueueSyntheticGestureCompleteImmediately(
std::unique_ptr<SyntheticGesture> synthetic_gesture) {
CreateSyntheticGestureControllerIfNecessary();
if (synthetic_gesture_controller_) {
synthetic_gesture_controller_->QueueSyntheticGestureCompleteImmediately(
std::move(synthetic_gesture));
}
}
void RenderWidgetHostImpl::EnsureReadyForSyntheticGestures(
base::OnceClosure on_ready) {
CreateSyntheticGestureControllerIfNecessary();
if (synthetic_gesture_controller_) {
synthetic_gesture_controller_->EnsureRendererInitialized(
std::move(on_ready));
} else {
// If we couldn't create a SyntheticGestureController then we won't ever be
// ready. Invoke the callback to unblock the calling code.
std::move(on_ready).Run();
}
}
void RenderWidgetHostImpl::OnCursorVisibilityStateChanged(bool is_visible) {
GetWidgetInputHandler()->CursorVisibilityChanged(is_visible);
}
// static
void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() {
g_check_for_pending_visual_properties_ack = false;
}
input::InputRouter* RenderWidgetHostImpl::input_router() {
return GetRenderInputRouter()->input_router();
}
void RenderWidgetHostImpl::AddKeyPressEventCallback(
const KeyPressEventCallback& callback) {
CHECK(!base::Contains(key_press_event_callbacks_, callback));
key_press_event_callbacks_.push_back(callback);
}
void RenderWidgetHostImpl::RemoveKeyPressEventCallback(
const KeyPressEventCallback& callback) {
std::erase(key_press_event_callbacks_, callback);
}
void RenderWidgetHostImpl::AddMouseEventCallback(
const MouseEventCallback& callback) {
CHECK(!base::Contains(mouse_event_callbacks_, callback));
mouse_event_callbacks_.push_back(callback);
}
void RenderWidgetHostImpl::RemoveMouseEventCallback(
const MouseEventCallback& callback) {
std::erase(mouse_event_callbacks_, callback);
}
void RenderWidgetHostImpl::AddSuppressShowingImeCallback(
const SuppressShowingImeCallback& callback) {
CHECK(!base::Contains(suppress_showing_ime_callbacks_, callback));
suppress_showing_ime_callbacks_.push_back(callback);
}
void RenderWidgetHostImpl::RemoveSuppressShowingImeCallback(
const SuppressShowingImeCallback& callback,
bool trigger_ime) {
std::erase(suppress_showing_ime_callbacks_, callback);
if (trigger_ime && !saved_text_input_state_for_suppression_.is_null()) {
saved_text_input_state_for_suppression_->always_hide_ime = false;
TextInputStateChanged(std::move(saved_text_input_state_for_suppression_));
}
}
void RenderWidgetHostImpl::AddInputEventObserver(
RenderWidgetHost::InputEventObserver* observer) {
if (!input_event_observers_.HasObserver(observer)) {
input_event_observers_.AddObserver(observer);
}
}
void RenderWidgetHostImpl::RemoveInputEventObserver(
RenderWidgetHost::InputEventObserver* observer) {
input_event_observers_.RemoveObserver(observer);
}
void RenderWidgetHostImpl::AddObserver(RenderWidgetHostObserver* observer) {
observers_.AddObserver(observer);
}
void RenderWidgetHostImpl::RemoveObserver(RenderWidgetHostObserver* observer) {
observers_.RemoveObserver(observer);
}
display::ScreenInfo RenderWidgetHostImpl::GetScreenInfo() const {
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetScreenInfo");
if (view_) {
return view_->GetScreenInfo();
}
// If this widget has not been connected to a view yet (or has been
// disconnected), the display code may be using a fake primary display.
display::ScreenInfo screen_info;
display::DisplayUtil::GetDefaultScreenInfo(&screen_info);
return screen_info;
}
display::ScreenInfos RenderWidgetHostImpl::GetScreenInfos() const {
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetScreenInfos");
return view_ ? view_->GetScreenInfos()
: display::ScreenInfos(GetScreenInfo());
}
float RenderWidgetHostImpl::GetDeviceScaleFactor() {
return GetScaleFactorForView(view_.get());
}
std::optional<cc::TouchAction> RenderWidgetHostImpl::GetAllowedTouchAction() {
return input_router()->AllowedTouchAction();
}
void RenderWidgetHostImpl::WriteIntoTrace(perfetto::TracedValue context) {
auto dict = std::move(context).WriteDictionary();
dict.Add("routing_id", GetRoutingID());
}
void RenderWidgetHostImpl::DragTargetDragEnter(
const DropData& drop_data,
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
DragOperationsMask operations_allowed,
int key_modifiers,
DragOperationCallback callback) {
DragTargetDragEnterWithMetaData(DropDataToMetaData(drop_data), client_pt,
screen_pt, operations_allowed, key_modifiers,
std::move(callback));
}
void RenderWidgetHostImpl::DragTargetDragEnterWithMetaData(
const std::vector<DropData::Metadata>& metadata,
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
DragOperationsMask operations_allowed,
int key_modifiers,
DragOperationCallback callback) {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (blink_frame_widget_) {
DragOperationCallback callback_wrapper =
base::BindOnce(&RenderWidgetHostImpl::OnUpdateDragOperation,
base::Unretained(this), std::move(callback));
blink_frame_widget_->DragTargetDragEnter(
DropMetaDataToDragData(metadata),
ConvertWindowPointToViewport(client_pt), screen_pt, operations_allowed,
key_modifiers, std::move(callback_wrapper));
}
}
void RenderWidgetHostImpl::DragTargetDragOver(
const gfx::PointF& client_point,
const gfx::PointF& screen_point,
DragOperationsMask operations_allowed,
int key_modifiers,
DragOperationCallback callback) {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (blink_frame_widget_) {
blink_frame_widget_->DragTargetDragOver(
ConvertWindowPointToViewport(client_point), screen_point,
operations_allowed, key_modifiers,
base::BindOnce(&RenderWidgetHostImpl::OnUpdateDragOperation,
base::Unretained(this), std::move(callback)));
}
}
void RenderWidgetHostImpl::DragTargetDragLeave(
const gfx::PointF& client_point,
const gfx::PointF& screen_point) {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (blink_frame_widget_) {
blink_frame_widget_->DragTargetDragLeave(
ConvertWindowPointToViewport(client_point), screen_point);
}
}
void RenderWidgetHostImpl::DragTargetDrop(const DropData& drop_data,
const gfx::PointF& client_point,
const gfx::PointF& screen_point,
int key_modifiers,
base::OnceClosure callback) {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (blink_frame_widget_) {
DropData drop_data_with_permissions(drop_data);
GrantFileAccessFromDropData(&drop_data_with_permissions);
StoragePartitionImpl* storage_partition =
static_cast<StoragePartitionImpl*>(GetProcess()->GetStoragePartition());
blink_frame_widget_->DragTargetDrop(
DropDataToDragData(drop_data_with_permissions,
storage_partition->GetFileSystemAccessManager(),
GetProcess()->GetDeprecatedID(),
ChromeBlobStorageContext::GetFor(
GetProcess()->GetBrowserContext())),
ConvertWindowPointToViewport(client_point), screen_point, key_modifiers,
std::move(callback));
}
}
void RenderWidgetHostImpl::DragSourceEndedAt(const gfx::PointF& client_point,
const gfx::PointF& screen_point,
ui::mojom::DragOperation operation,
base::OnceClosure callback) {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (!blink_frame_widget_) {
return;
}
blink_frame_widget_->DragSourceEndedAt(
ConvertWindowPointToViewport(client_point), screen_point, operation,
std::move(callback));
if (frame_tree_) {
devtools_instrumentation::DragEnded(*frame_tree_->root());
}
}
void RenderWidgetHostImpl::DragSourceSystemDragEnded() {
// TODO(crbug.com/40138933): Replace with a for_frame() check.
if (!blink_frame_widget_) {
return;
}
blink_frame_widget_->DragSourceSystemDragEnded();
if (frame_tree_) {
devtools_instrumentation::DragEnded(*frame_tree_->root());
}
}
void RenderWidgetHostImpl::FilterDropData(DropData* drop_data) {
drop_data->view_id = GetRoutingID();
GetProcess()->FilterURL(true, &drop_data->url);
if (drop_data->did_originate_from_renderer) {
drop_data->filenames.clear();
}
}
void RenderWidgetHostImpl::SetCursor(const ui::Cursor& cursor) {
if (view_) {
view_->UpdateCursor(cursor);
}
}
void RenderWidgetHostImpl::ShowContextMenuAtPoint(
const gfx::Point& point,
const ui::mojom::MenuSourceType source_type) {
if (GetRenderInputRouter()) {
GetRenderInputRouter()->ShowContextMenuAtPoint(point, source_type);
}
}
void RenderWidgetHostImpl::InsertVisualStateCallback(
VisualStateCallback callback) {
if (!blink_frame_widget_) {
std::move(callback).Run(false);
return;
}
if (!widget_compositor_) {
blink_frame_widget_->BindWidgetCompositor(
widget_compositor_.BindNewPipeAndPassReceiver(
GetUIThreadTaskRunner({BrowserTaskType::kUserInput})));
}
widget_compositor_->VisualStateRequest(base::BindOnce(
[](VisualStateCallback callback) { std::move(callback).Run(true); },
mojo::WrapCallbackWithDefaultInvokeIfNotRun(std::move(callback), false)));
}
RenderProcessHostPriorityClient::Priority RenderWidgetHostImpl::GetPriority() {
RenderProcessHostPriorityClient::Priority priority = {
is_hidden_, frame_depth_, intersects_viewport_, is_discarding_,
#if BUILDFLAG(IS_ANDROID)
importance_,
#endif
};
bool should_contribute = false;
if (base::FeatureList::IsEnabled(features::kSubframePriorityContribution)) {
should_contribute = should_contribute_priority_to_process_;
if (owner_delegate_ && !owner_delegate_->IsMainFrameActive()) {
// If this RenderWidgetHost is owned by a RenderViewHost which does not
// have an active main frame, it should not contribute to the priority of
// the process. This can happen for an OOPIF which not only has its own
// RenderWidgetHost, but also has an inactive RenderViewHost in its
// SiteInstance, and that RenderViewHost owns another unused
// RenderWidgetHost which is what's being excluded here.
should_contribute = false;
}
} else {
should_contribute = !owner_delegate_ ||
owner_delegate_->ShouldContributePriorityToProcess();
}
if (!should_contribute) {
priority.is_hidden = true;
priority.frame_depth = RenderProcessHostImpl::kMaxFrameDepthForPriority;
priority.is_discarding = false;
#if BUILDFLAG(IS_ANDROID)
priority.importance = ChildProcessImportance::NORMAL;
#endif
}
return priority;
}
void RenderWidgetHostImpl::RenderProcessExited(
RenderProcessHost* host,
const ChildProcessTerminationInfo& info) {
CHECK(self_owned_);
Destroy(/*also_delete=*/true); // Delete |this|.
}
blink::mojom::WidgetInputHandler*
RenderWidgetHostImpl::GetWidgetInputHandler() {
return GetRenderInputRouter()->GetWidgetInputHandler();
}
void RenderWidgetHostImpl::NotifyScreenInfoChanged() {
// The resize message (which may not happen immediately) will carry with it
// the screen info as well as the new size (if the screen has changed scale
// factor). Force sending the new visual properties even if there is one in
// flight to ensure proper IPC ordering for features like the Fullscreen API.
SynchronizeVisualPropertiesIgnoringPendingAck();
// The device scale factor will be same for all the views contained by the
// primary main frame, so just set it once.
if (delegate_ && !delegate_->IsWidgetForPrimaryMainFrame(this)) {
return;
}
// The delegate may not have an input event router in tests.
if (auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false)) {
touch_emulator->SetDeviceScaleFactor(GetScaleFactorForView(view_.get()));
}
}
void RenderWidgetHostImpl::GetSnapshotFromBrowser(
GetSnapshotFromBrowserCallback callback,
bool from_surface) {
int snapshot_id = next_browser_snapshot_id_++;
if (from_surface) {
pending_surface_browser_snapshots_.insert(
std::make_pair(snapshot_id, std::move(callback)));
if (base::FeatureList::IsEnabled(features::kCDPScreenshotNewSurface)) {
// 1. Force content redraw in the renderer.
blink_widget_->ForceRedraw(base::DoNothing());
// 2. Force a repaint to ensure that surface is updated.
RequestRepaintOnNewSurface();
// 3. Create a copy request from the newest surface. This
// should wait until the requested repaint has arrived.
GetView()->CopyFromSurface(
gfx::Rect(), gfx::Size(),
base::BindOnce(&RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived,
weak_factory_.GetWeakPtr(), snapshot_id, 0));
} else {
RequestForceRedraw(snapshot_id);
}
return;
}
#if BUILDFLAG(IS_MAC)
// The Mac version of underlying GrabViewSnapshot() blocks while the
// display/GPU are in a power-saving mode, so make sure the display does not
// go to sleep for the duration of reading a snapshot.
if (pending_browser_snapshots_.empty()) {
GetWakeLock()->RequestWakeLock();
}
#endif
// TODO(nzolghadr): Remove the duplication here and the if block just above.
pending_browser_snapshots_.insert(
std::make_pair(snapshot_id, std::move(callback)));
RequestForceRedraw(snapshot_id);
}
void RenderWidgetHostImpl::SelectionChanged(const std::u16string& text,
uint32_t offset,
const gfx::Range& range) {
if (view_) {
view_->SelectionChanged(text, static_cast<size_t>(offset), range);
}
}
void RenderWidgetHostImpl::SelectionBoundsChanged(
const gfx::Rect& anchor_rect,
base::i18n::TextDirection anchor_dir,
const gfx::Rect& focus_rect,
base::i18n::TextDirection focus_dir,
const gfx::Rect& bounding_box,
bool is_anchor_first) {
if (view_) {
view_->SelectionBoundsChanged(anchor_rect, anchor_dir, focus_rect,
focus_dir, bounding_box, is_anchor_first);
}
}
void RenderWidgetHostImpl::OnUpdateDragOperation(
DragOperationCallback callback,
ui::mojom::DragOperation current_op,
bool document_is_handling_drag) {
RenderViewHostDelegateView* view = delegate_->GetDelegateView();
if (view) {
view->UpdateDragOperation(current_op, document_is_handling_drag);
}
std::move(callback).Run(current_op, document_is_handling_drag);
}
void RenderWidgetHostImpl::RendererExited() {
if (!renderer_widget_created_) {
return;
}
// Clearing this flag causes us to re-create the renderer when recovering
// from a crashed renderer.
renderer_widget_created_ = false;
// This flag is set when creating the renderer widget.
waiting_for_init_ = false;
blink_widget_.reset();
// No need to perform a deferred show after the renderer crashes, and this
// wouldn't work anyway as it requires a valid `blink_widget_`.
pending_show_params_.reset();
// After the renderer crashes, the view is destroyed and so the
// RenderWidgetHost cannot track its visibility anymore. We assume such
// RenderWidgetHost to be invisible for the sake of internal accounting - be
// careful about changing this - see http://crbug.com/401859 and
// http://crbug.com/522795.
//
// We need to at least make sure that the RenderProcessHost is notified about
// the |is_hidden_| change, so that the renderer will have correct visibility
// set when respawned.
if (!is_hidden_) {
is_hidden_ = true;
if (!destroyed_) {
GetProcess()->UpdateClientPriority(this);
}
}
if (view_) {
view_->RenderProcessGone();
SetView(nullptr); // The View should be deleted by RenderProcessGone.
}
}
void RenderWidgetHostImpl::ResetStateForCreatedRenderWidget(
const blink::VisualProperties& initial_props) {
// When the RenderWidget was destroyed, the ack may never come back. Don't
// let that prevent us from speaking to the next RenderWidget.
waiting_for_screen_rects_ack_ = false;
last_view_screen_rect_ = last_window_screen_rect_ = kInvalidScreenRect;
visual_properties_ack_pending_ =
DoesVisualPropertiesNeedAck(nullptr, initial_props);
old_visual_properties_ =
std::make_unique<blink::VisualProperties>(initial_props);
// Reconstruct the input router to ensure that it has fresh state for a new
// RenderWidget. Otherwise it may be stuck waiting for the old renderer to ack
// an event. (In particular, the above call to view_->RenderProcessGone() will
// destroy the aura window, which may dispatch a synthetic mouse move.)
//
// This also stops the event ack timeout to ensure the hung renderer mechanism
// is working properly.
SetupInputRouter();
frame_token_message_queue_->Reset();
}
void RenderWidgetHostImpl::UpdateTextDirection(
base::i18n::TextDirection direction) {
text_direction_updated_ = true;
text_direction_ = direction;
}
void RenderWidgetHostImpl::NotifyTextDirection() {
if (!text_direction_updated_) {
return;
}
blink_frame_widget_->SetTextDirection(text_direction_);
text_direction_updated_ = false;
}
void RenderWidgetHostImpl::ImeSetComposition(
const std::u16string& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& replacement_range,
int selection_start,
int selection_end) {
// Passing null callback since it is only needed for Devtools
GetWidgetInputHandler()->ImeSetComposition(
text, ime_text_spans, replacement_range, selection_start, selection_end,
base::OnceClosure());
#if BUILDFLAG(IS_ANDROID)
for (auto& observer : ime_input_event_observers_) {
observer.OnImeSetComposingTextEvent(text);
}
#endif
}
void RenderWidgetHostImpl::ImeCommitText(
const std::u16string& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& replacement_range,
int relative_cursor_pos) {
// Passing null callback since it is only needed for Devtools
GetWidgetInputHandler()->ImeCommitText(text, ime_text_spans,
replacement_range, relative_cursor_pos,
base::OnceClosure());
#if BUILDFLAG(IS_ANDROID)
for (auto& observer : ime_input_event_observers_) {
observer.OnImeTextCommittedEvent(text);
}
#endif
}
void RenderWidgetHostImpl::ImeFinishComposingText(bool keep_selection) {
GetWidgetInputHandler()->ImeFinishComposingText(keep_selection);
#if BUILDFLAG(IS_ANDROID)
for (auto& observer : ime_input_event_observers_) {
observer.OnImeFinishComposingTextEvent();
}
#endif
}
void RenderWidgetHostImpl::ImeCancelComposition() {
// Passing null callback since it is only needed for Devtools
GetWidgetInputHandler()->ImeSetComposition(
std::u16string(), std::vector<ui::ImeTextSpan>(),
gfx::Range::InvalidRange(), 0, 0, base::OnceClosure());
}
void RenderWidgetHostImpl::RejectPointerLockOrUnlockIfNecessary(
blink::mojom::PointerLockResult reason) {
CHECK(!pending_pointer_lock_request_ || !IsPointerLocked());
CHECK(reason != blink::mojom::PointerLockResult::kSuccess);
if (pending_pointer_lock_request_) {
CHECK(request_pointer_lock_callback_);
pending_pointer_lock_request_ = false;
pointer_lock_raw_movement_ = false;
std::move(request_pointer_lock_callback_)
.Run(reason, /*context=*/mojo::NullRemote());
} else if (IsPointerLocked()) {
view_->UnlockPointer();
}
}
bool RenderWidgetHostImpl::IsKeyboardLocked() const {
return view_ ? view_->IsKeyboardLocked() : false;
}
bool RenderWidgetHostImpl::IsContentRenderingTimeoutRunning() const {
return new_content_rendering_timeout_ &&
new_content_rendering_timeout_->IsRunning();
}
void RenderWidgetHostImpl::OnMouseEventAck(
const input::MouseEventWithLatencyInfo& mouse_event,
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result) {
GetRenderInputRouter()->GetLatencyTracker()->OnInputEventAck(
mouse_event.event, &mouse_event.latency, ack_result);
NotifyObserversOfInputEventAcks(ack_source, ack_result, mouse_event.event);
// Give the delegate the ability to handle a mouse event that wasn't consumed
// by the renderer. eg. Back/Forward mouse buttons.
if (delegate_ &&
ack_result != blink::mojom::InputEventResultState::kConsumed &&
!is_hidden()) {
delegate_->HandleMouseEvent(mouse_event.event);
}
}
bool RenderWidgetHostImpl::IsPointerLocked() const {
return view_ ? view_->IsPointerLocked() : false;
}
void RenderWidgetHostImpl::SetVisualPropertiesFromParentFrame(
float page_scale_factor,
float compositing_scale_factor,
bool is_pinch_gesture_active,
const gfx::Size& visible_viewport_size,
const gfx::Rect& compositor_viewport,
std::vector<gfx::Rect> root_widget_viewport_segments) {
properties_from_parent_local_root_.page_scale_factor = page_scale_factor;
properties_from_parent_local_root_.compositing_scale_factor =
compositing_scale_factor;
properties_from_parent_local_root_.is_pinch_gesture_active =
is_pinch_gesture_active;
properties_from_parent_local_root_.visible_viewport_size =
visible_viewport_size;
properties_from_parent_local_root_.compositor_viewport = compositor_viewport;
properties_from_parent_local_root_.root_widget_viewport_segments =
std::move(root_widget_viewport_segments);
}
void RenderWidgetHostImpl::SetAutoResize(bool enable,
const gfx::Size& min_size,
const gfx::Size& max_size) {
auto_resize_enabled_ = enable;
min_size_for_auto_resize_ = min_size;
max_size_for_auto_resize_ = max_size;
}
void RenderWidgetHostImpl::Destroy(bool also_delete) {
CHECK(!destroyed_);
destroyed_ = true;
for (auto& observer : observers_) {
observer.RenderWidgetHostDestroyed(this);
}
// Tell the view to die.
// Note that in the process of the view shutting down, it can call a ton
// of other messages on us. So if you do any other deinitialization here,
// do it after this call to view_->Destroy().
if (view_) {
view_->Destroy();
view_.reset();
}
// Reset the popup host receiver, this will cause a disconnection notification
// on the renderer to delete Popup widgets.
blink_popup_widget_host_receiver_.reset();
render_process_blocked_state_changed_subscription_ = {};
GetProcess()->RemovePriorityClient(this);
GetProcess()->RemoveObserver(this);
g_routing_id_widget_map.Get().erase(
RenderWidgetHostID(GetProcess()->GetDeprecatedID(), routing_id_));
// The |delegate_| may have been destroyed (or is in the process of being
// destroyed) and detached first.
if (delegate_) {
delegate_->RenderWidgetDeleted(this);
}
if (also_delete) {
CHECK(self_owned_);
// The destructor CHECKs self-owned RenderWidgetHostImpl aren't destroyed
// externally. This bit needs to be reset to allow internal deletion.
self_owned_ = false;
delete this;
}
}
void RenderWidgetHostImpl::OnInputEventAckTimeout(
base::TimeTicks ack_timeout_ts) {
if (is_hidden_) {
return;
}
// If a widget's visibility changed mid-input sequence handling and an ack
// later times out, defer marking the renderer unresponsive until the widget
// has been shown for at least `kRendererHangWatcherDelay`.
if ((ack_timeout_ts - latest_shown_time_) <
input::features::kRendererHangWatcherDelay.Get()) {
return;
}
RendererIsUnresponsive(
RendererIsUnresponsiveReason::kOnInputEventAckTimeout,
base::BindRepeating(
&RenderWidgetHostImpl::RestartRenderInputRouterInputEventAckTimeout,
weak_factory_.GetWeakPtr()));
}
void RenderWidgetHostImpl::RendererIsUnresponsive(
RendererIsUnresponsiveReason reason,
base::RepeatingClosure restart_hang_monitor_timeout) {
is_unresponsive_ = true;
base::UmaHistogramEnumeration("Renderer.Unresponsive.Reason", reason);
if (is_hidden()) {
base::UmaHistogramEnumeration("Renderer.Unresponsive.Reason.NotVisible",
reason);
} else {
base::UmaHistogramEnumeration("Renderer.Unresponsive.Reason.Visible",
reason);
}
if (delegate_) {
delegate_->RendererUnresponsive(this,
std::move(restart_hang_monitor_timeout));
}
// Do not add code after this since the Delegate may delete this
// RenderWidgetHostImpl in RendererUnresponsive.
}
void RenderWidgetHostImpl::RendererIsResponsive() {
if (is_unresponsive_) {
is_unresponsive_ = false;
if (delegate_) {
delegate_->RendererResponsive(this);
}
}
}
void RenderWidgetHostImpl::DidOverscroll(
blink::mojom::DidOverscrollParamsPtr params) {
if (view_) {
ui::DidOverscrollParams overscroll_params = {
params->accumulated_overscroll, params->latest_overscroll_delta,
params->current_fling_velocity, params->causal_event_viewport_point,
params->overscroll_behavior};
view_->DidOverscroll(overscroll_params);
}
}
void RenderWidgetHostImpl::ClearDisplayedGraphics() {
NotifyNewContentRenderingTimeoutForTesting();
if (view_) {
view_->ResetFallbackToFirstNavigationSurface();
}
if (blink_frame_widget_) {
blink_frame_widget_->NotifyClearedDisplayedGraphics();
}
// crbug.com/40057499: While we didn't receive metadata signal in this case,
// we will release input events at this point anyway. So for our purpose,
// this is equivalent to receiving the signal.
first_content_metadata_received_ = true;
input_router()->MakeActive();
}
void RenderWidgetHostImpl::OnKeyboardEventAck(
const input::NativeWebKeyboardEventWithLatencyInfo& event,
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result) {
GetRenderInputRouter()->GetLatencyTracker()->OnInputEventAck(
event.event, &event.latency, ack_result);
NotifyObserversOfInputEventAcks(ack_source, ack_result, event.event);
bool processed =
(blink::mojom::InputEventResultState::kConsumed == ack_result);
// We only send unprocessed key event upwards if we are not hidden,
// because the user has moved away from us and no longer expect any effect
// of this key event.
if (delegate_ && !processed && !is_hidden() &&
!event.event.skip_if_unhandled) {
delegate_->HandleKeyboardEvent(event.event);
}
// WARNING: This RenderWidgetHostImpl can be deallocated at this point
// (i.e. in the case of Ctrl+W, where the call to
// HandleKeyboardEvent destroys this RenderWidgetHostImpl).
}
void RenderWidgetHostImpl::RequestClosePopup() {
CHECK(!owner_delegate_);
ShutdownAndDestroyWidget(true);
}
void RenderWidgetHostImpl::SetPopupBounds(const gfx::Rect& bounds,
SetPopupBoundsCallback callback) {
// If the browser changes bounds, do not allow renderer changing bounds at the
// same time until it acked the changes. Otherwise, if they simultaneously
// change bounds, browser's bounds can be clobbered.
if (view_ && !waiting_for_screen_rects_ack_) {
view_->SetBounds(bounds);
}
std::move(callback).Run();
}
input::RenderWidgetHostInputEventRouter*
RenderWidgetHostImpl::GetInputEventRouter() {
return delegate()->GetInputEventRouter();
}
input::RenderWidgetHostViewInput* RenderWidgetHostImpl::GetPointerLockView() {
return delegate()->GetPointerLockWidget()->GetView();
}
void RenderWidgetHostImpl::ForwardDelegatedInkPoint(
gfx::DelegatedInkPoint& delegated_ink_point,
bool& ended_delegated_ink_trail) {
if (!view_) {
return;
}
// If being given the same point twice, return early and avoid an unnecessary
// call to the GPU process.
if (last_delegated_ink_point_sent_ == delegated_ink_point) {
return;
}
last_delegated_ink_point_sent_ = delegated_ink_point;
auto* delegated_ink_point_renderer =
delegate_->GetDelegatedInkRenderer(view_->GetCompositor());
if (!delegated_ink_point_renderer) {
return;
}
TRACE_EVENT_WITH_FLOW1("delegated_ink_trails",
"Forwarding delegated ink point from browser.",
TRACE_ID_GLOBAL(delegated_ink_point.trace_id()),
TRACE_EVENT_FLAG_FLOW_OUT, "delegated point",
delegated_ink_point.ToString());
// Calling this will result in IPC calls to get |delegated_ink_point| to
// viz. The decision to do this here was made with the understanding that
// the IPC overhead will result in a minor increase in latency for getting
// this event to the renderer. However, by sending it here, the event is
// given the greatest possible chance to make it to viz before
// DrawAndSwap() is called, allowing more points to be drawn as part of
// the delegated ink trail, and thus reducing user perceived latency.
delegated_ink_point_renderer->StoreDelegatedInkPoint(delegated_ink_point);
ended_delegated_ink_trail = false;
}
void RenderWidgetHostImpl::ResetDelegatedInkPointPrediction(
bool& ended_delegated_ink_trail) {
auto* delegated_ink_point_renderer =
delegate_->GetDelegatedInkRenderer(nullptr);
if (delegated_ink_point_renderer && !ended_delegated_ink_trail) {
// Let viz know that the most recent point it received from us is probably
// the last point the user is inking, so it shouldn't predict anything
// beyond it.
TRACE_EVENT_INSTANT0("delegated_ink_trails", "Delegated ink trail ended",
TRACE_EVENT_SCOPE_THREAD);
delegated_ink_point_renderer->ResetPrediction();
ended_delegated_ink_trail = true;
}
}
std::optional<bool> RenderWidgetHostImpl::IsDelegatedInkHovering() {
const std::optional<cc::DelegatedInkBrowserMetadata>& metadata =
render_frame_metadata_provider()
->LastRenderFrameMetadata()
.delegated_ink_metadata;
if (!metadata) {
return std::nullopt;
}
return metadata.value().delegated_ink_is_hovering;
}
void RenderWidgetHostImpl::NotifyObserversOfInputEvent(
const WebInputEvent& event,
bool dispatched_to_renderer) {
for (auto& observer : input_event_observers_) {
observer.OnInputEvent(*this, event);
}
if (dispatched_to_renderer) {
delegate_->DidReceiveInputEvent(this, event);
}
}
void RenderWidgetHostImpl::NotifyObserversOfInputEventAcks(
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result,
const WebInputEvent& event) {
for (auto& input_event_observer : input_event_observers_) {
input_event_observer.OnInputEventAck(*this, ack_source, ack_result, event);
}
}
bool RenderWidgetHostImpl::PreHandleGestureEvent(
const blink::WebGestureEvent& event) {
return delegate()->PreHandleGestureEvent(event);
}
std::unique_ptr<viz::PeakGpuMemoryTracker>
RenderWidgetHostImpl::MakePeakGpuMemoryTracker(
viz::PeakGpuMemoryTracker::Usage usage) {
return PeakGpuMemoryTrackerFactory::Create(usage);
}
bool RenderWidgetHostImpl::IsInitializedAndNotDead() {
return GetProcess()->IsInitializedAndNotDead();
}
void RenderWidgetHostImpl::OnInputEventPreDispatch(
const blink::WebInputEvent& event) {
if (!delegate_) {
return;
}
if (event.GetType() == WebInputEvent::Type::kMouseDown ||
event.GetType() == WebInputEvent::Type::kTouchStart ||
event.GetType() == WebInputEvent::Type::kGestureTap) {
delegate_->FocusOwningWebContents(this);
}
}
void RenderWidgetHostImpl::OnInvalidInputEventSource() {
bad_message::ReceivedBadMessage(
GetProcess(), bad_message::INPUT_ROUTER_INVALID_EVENT_SOURCE);
}
void RenderWidgetHostImpl::ShowPopup(const gfx::Rect& initial_screen_rect,
const gfx::Rect& anchor_screen_rect,
ShowPopupCallback callback) {
// `delegate_` may be null since this message may be received from when
// the delegate shutdown but this widget is not yet destroyed.
if (delegate_) {
delegate_->ShowCreatedWidget(GetProcess()->GetDeprecatedID(),
GetRoutingID(), initial_screen_rect,
anchor_screen_rect);
}
std::move(callback).Run();
}
void RenderWidgetHostImpl::UpdateTooltipUnderCursor(
const std::u16string& tooltip_text,
base::i18n::TextDirection text_direction_hint) {
if (!GetView()) {
return;
}
view_->UpdateTooltipUnderCursor(
GetWrappedTooltipText(tooltip_text, text_direction_hint));
}
void RenderWidgetHostImpl::UpdateTooltipFromKeyboard(
const std::u16string& tooltip_text,
base::i18n::TextDirection text_direction_hint,
const gfx::Rect& bounds) {
if (!GetView()) {
return;
}
view_->UpdateTooltipFromKeyboard(
GetWrappedTooltipText(tooltip_text, text_direction_hint), bounds);
}
void RenderWidgetHostImpl::ClearKeyboardTriggeredTooltip() {
if (!GetView()) {
return;
}
view_->ClearKeyboardTriggeredTooltip();
}
void RenderWidgetHostImpl::OnUpdateScreenRectsAck() {
waiting_for_screen_rects_ack_ = false;
if (!view_) {
return;
}
view_->SendInitialPropertiesIfNeeded();
if (view_->GetViewBounds() == last_view_screen_rect_ &&
view_->GetBoundsInRootWindow() == last_window_screen_rect_) {
return;
}
SendScreenRects();
}
void RenderWidgetHostImpl::OnRenderFrameSubmission() {}
void RenderWidgetHostImpl::OnLocalSurfaceIdChanged(
const cc::RenderFrameMetadata& metadata) {
TRACE_EVENT_WITH_FLOW1(
"renderer_host," TRACE_DISABLED_BY_DEFAULT("viz.surface_id_flow"),
"RenderWidgetHostImpl::OnLocalSurfaceIdChanged",
metadata.local_surface_id && metadata.local_surface_id->is_valid()
? metadata.local_surface_id->submission_trace_id() +
metadata.local_surface_id->embed_trace_id()
: 0,
TRACE_EVENT_FLAG_FLOW_IN, "local_surface_id",
metadata.local_surface_id ? metadata.local_surface_id->ToString()
: "null");
// Update our knowledge of the RenderWidget's size.
CHECK(!metadata.viewport_size_in_pixels.IsEmpty());
visual_properties_ack_pending_ = false;
for (auto& observer : observers_) {
observer.RenderWidgetHostDidUpdateVisualProperties(this);
}
if (!view_) {
return;
}
viz::ScopedSurfaceIdAllocator scoped_allocator =
view_->DidUpdateVisualProperties(metadata);
base::AutoReset<bool> auto_reset(&surface_id_allocation_suppressed_, true);
if (auto_resize_enabled_ && delegate_) {
// TODO(fsamuel): The fact that we translate the viewport_size from pixels
// to DIP is concerning. This could result in invariants violations.
gfx::Size viewport_size_in_dip = gfx::ScaleToCeiledSize(
metadata.viewport_size_in_pixels, 1.f / metadata.device_scale_factor);
delegate_->ResizeDueToAutoResize(this, viewport_size_in_dip);
}
}
SiteInstanceGroup* RenderWidgetHostImpl::GetSiteInstanceGroup() {
return site_instance_group_.get();
}
void RenderWidgetHostImpl::UpdateBrowserControlsState(
cc::BrowserControlsState constraints,
cc::BrowserControlsState current,
bool animate,
const std::optional<cc::BrowserControlsOffsetTagModifications>&
offset_tag_modifications) {
GetWidgetInputHandler()->UpdateBrowserControlsState(
constraints, current, animate, offset_tag_modifications);
}
void RenderWidgetHostImpl::StartDragging(
blink::mojom::DragDataPtr drag_data,
const url::Origin& source_origin,
DragOperationsMask drag_operations_mask,
const SkBitmap& bitmap,
const gfx::Vector2d& cursor_offset_in_dip,
const gfx::Rect& drag_obj_rect_in_dip,
blink::mojom::DragEventSourceInfoPtr event_info) {
DropData drop_data = DragDataToDropData(*drag_data);
DropData filtered_data(drop_data);
RenderProcessHost* process = GetProcess();
ChildProcessSecurityPolicyImpl* policy =
ChildProcessSecurityPolicyImpl::GetInstance();
// Allow drag of Javascript URLs to enable bookmarklet drag to bookmark bar.
if (!filtered_data.url.SchemeIs(url::kJavaScriptScheme)) {
process->FilterURL(true, &filtered_data.url);
}
process->FilterURL(false, &filtered_data.html_base_url);
// Filter out any paths that the renderer didn't have access to. This prevents
// the following attack on a malicious renderer:
// 1. StartDragging IPC sent with renderer-specified filesystem paths that it
// doesn't have read permissions for.
// 2. We initiate a native DnD operation.
// 3. DnD operation immediately ends since mouse is not held down. DnD events
// still fire though, which causes read permissions to be granted to the
// renderer for any file paths in the drop.
filtered_data.filenames.clear();
for (const auto& file_info : drop_data.filenames) {
if (policy->CanReadFile(GetProcess()->GetDeprecatedID(), file_info.path)) {
filtered_data.filenames.push_back(file_info);
}
}
storage::FileSystemContext* file_system_context =
GetProcess()->GetStoragePartition()->GetFileSystemContext();
filtered_data.file_system_files.clear();
for (const auto& file_system_file : drop_data.file_system_files) {
storage::FileSystemURL file_system_url =
file_system_context->CrackURLInFirstPartyContext(file_system_file.url);
// Sandboxed filesystem files should never be handled via this path, so
// skip any that are sent from the renderer. In all other cases, it should
// be safe to use the FileSystemURL returned from calling
// CrackURLInFirstPartyContext as long as CanReadFileSystemFile only
// performs checks on the origin and doesn't use more of the StorageKey.
if (file_system_url.type() == storage::kFileSystemTypePersistent ||
file_system_url.type() == storage::kFileSystemTypeTemporary) {
continue;
}
if (policy->CanReadFileSystemFile(GetProcess()->GetDeprecatedID(),
file_system_url)) {
filtered_data.file_system_files.push_back(file_system_file);
}
}
if (frame_tree_) {
bool intercepted = false;
devtools_instrumentation::WillStartDragging(
frame_tree_->root(), filtered_data, std::move(drag_data),
drag_operations_mask, &intercepted);
if (intercepted) {
return;
}
}
RenderViewHostDelegateView* view = delegate_->GetDelegateView();
if (!view || !GetView()) {
// Need to clear drag and drop state in blink.
DragSourceSystemDragEnded();
return;
}
float scale = GetScaleFactorForView(GetView());
gfx::ImageSkia image = gfx::ImageSkia::CreateFromBitmap(bitmap, scale);
gfx::Vector2d offset = cursor_offset_in_dip;
gfx::Rect rect = drag_obj_rect_in_dip;
#if BUILDFLAG(IS_WIN)
// Scale the offset by device scale factor, otherwise the drag
// image location doesn't line up with the drop location (drag destination).
// TODO(crbug.com/40859305): this conversion should not be necessary.
gfx::Vector2dF scaled_offset = static_cast<gfx::Vector2dF>(offset);
scaled_offset.Scale(scale);
offset = gfx::ToRoundedVector2d(scaled_offset);
gfx::RectF scaled_rect = static_cast<gfx::RectF>(rect);
scaled_rect.Scale(scale);
rect = gfx::ToRoundedRect(scaled_rect);
#endif
view->StartDragging(filtered_data, source_origin, drag_operations_mask, image,
offset, rect, *event_info, this);
}
// static
bool RenderWidgetHostImpl::DidVisualPropertiesSizeChange(
const blink::VisualProperties& old_visual_properties,
const blink::VisualProperties& new_visual_properties) {
return old_visual_properties.auto_resize_enabled !=
new_visual_properties.auto_resize_enabled ||
(old_visual_properties.auto_resize_enabled &&
(old_visual_properties.min_size_for_auto_resize !=
new_visual_properties.min_size_for_auto_resize ||
old_visual_properties.max_size_for_auto_resize !=
new_visual_properties.max_size_for_auto_resize)) ||
(!old_visual_properties.auto_resize_enabled &&
(old_visual_properties.new_size_device_px !=
new_visual_properties.new_size_device_px ||
(old_visual_properties.compositor_viewport_pixel_rect.IsEmpty() &&
!new_visual_properties.compositor_viewport_pixel_rect.IsEmpty())));
}
// static
bool RenderWidgetHostImpl::DoesVisualPropertiesNeedAck(
const std::unique_ptr<blink::VisualProperties>& old_visual_properties,
const blink::VisualProperties& new_visual_properties) {
// We should throttle sending updated VisualProperties to the renderer to
// the rate of commit. This ensures we don't overwhelm the renderer with
// visual updates faster than it can keep up. |needs_ack| corresponds to
// cases where a commit is expected.
bool is_acking_applicable =
g_check_for_pending_visual_properties_ack &&
!new_visual_properties.auto_resize_enabled &&
!new_visual_properties.new_size_device_px.IsEmpty() &&
!new_visual_properties.compositor_viewport_pixel_rect.IsEmpty() &&
new_visual_properties.local_surface_id;
// If acking is applicable, then check if there has been an
// |old_visual_properties| stored which would indicate an update has been
// sent. If so, then acking is defined by size changing.
return is_acking_applicable &&
(!old_visual_properties ||
DidVisualPropertiesSizeChange(*old_visual_properties,
new_visual_properties));
}
// static
bool RenderWidgetHostImpl::StoredVisualPropertiesNeedsUpdate(
const std::unique_ptr<blink::VisualProperties>& old_visual_properties,
const blink::VisualProperties& new_visual_properties) {
if (!old_visual_properties) {
return true;
}
const bool size_changed = DidVisualPropertiesSizeChange(
*old_visual_properties, new_visual_properties);
// Hold on the the LocalSurfaceId in a local variable otherwise the
// LocalSurfaceId may become invalid when used later.
const viz::LocalSurfaceId old_parent_local_surface_id =
old_visual_properties->local_surface_id.value_or(viz::LocalSurfaceId());
const viz::LocalSurfaceId new_parent_local_surface_id =
new_visual_properties.local_surface_id.value_or(viz::LocalSurfaceId());
const bool parent_local_surface_id_changed =
old_parent_local_surface_id.parent_sequence_number() !=
new_parent_local_surface_id.parent_sequence_number() ||
old_parent_local_surface_id.embed_token() !=
new_parent_local_surface_id.embed_token();
const bool zoom_changed =
old_visual_properties->zoom_level != new_visual_properties.zoom_level ||
old_visual_properties->css_zoom_factor !=
new_visual_properties.css_zoom_factor;
return zoom_changed || size_changed || parent_local_surface_id_changed ||
old_visual_properties->screen_infos !=
new_visual_properties.screen_infos ||
old_visual_properties->compositor_viewport_pixel_rect !=
new_visual_properties.compositor_viewport_pixel_rect ||
old_visual_properties->is_fullscreen_granted !=
new_visual_properties.is_fullscreen_granted ||
old_visual_properties->display_mode !=
new_visual_properties.display_mode ||
old_visual_properties->window_show_state !=
new_visual_properties.window_show_state ||
old_visual_properties->resizable != new_visual_properties.resizable ||
old_visual_properties->browser_controls_params !=
new_visual_properties.browser_controls_params ||
old_visual_properties->visible_viewport_size_device_px !=
new_visual_properties.visible_viewport_size_device_px ||
old_visual_properties->capture_sequence_number !=
new_visual_properties.capture_sequence_number ||
old_visual_properties->page_scale_factor !=
new_visual_properties.page_scale_factor ||
old_visual_properties->compositing_scale_factor !=
new_visual_properties.compositing_scale_factor ||
old_visual_properties->cursor_accessibility_scale_factor !=
new_visual_properties.cursor_accessibility_scale_factor ||
old_visual_properties->is_pinch_gesture_active !=
new_visual_properties.is_pinch_gesture_active ||
old_visual_properties->root_widget_viewport_segments !=
new_visual_properties.root_widget_viewport_segments ||
old_visual_properties->window_controls_overlay_rect !=
new_visual_properties.window_controls_overlay_rect;
}
void RenderWidgetHostImpl::AutoscrollStart(const gfx::PointF& position) {
GetView()->OnAutoscrollStart();
sent_autoscroll_scroll_begin_ = false;
autoscroll_in_progress_ = true;
delegate()->GetInputEventRouter()->SetAutoScrollInProgress(
autoscroll_in_progress_);
autoscroll_start_position_ = position;
}
void RenderWidgetHostImpl::AutoscrollFling(const gfx::Vector2dF& velocity) {
CHECK(autoscroll_in_progress_);
if (!sent_autoscroll_scroll_begin_ && velocity != gfx::Vector2dF()) {
// Send a GSB event with valid delta hints.
WebGestureEvent scroll_begin =
blink::SyntheticWebGestureEventBuilder::Build(
WebInputEvent::Type::kGestureScrollBegin,
blink::WebGestureDevice::kSyntheticAutoscroll);
scroll_begin.SetPositionInWidget(autoscroll_start_position_);
scroll_begin.data.scroll_begin.delta_x_hint = velocity.x();
scroll_begin.data.scroll_begin.delta_y_hint = velocity.y();
GetRenderInputRouter()->ForwardGestureEventWithLatencyInfo(
scroll_begin, ui::LatencyInfo());
sent_autoscroll_scroll_begin_ = true;
}
WebGestureEvent event = blink::SyntheticWebGestureEventBuilder::Build(
WebInputEvent::Type::kGestureFlingStart,
blink::WebGestureDevice::kSyntheticAutoscroll);
event.SetPositionInWidget(autoscroll_start_position_);
event.data.fling_start.velocity_x = velocity.x();
event.data.fling_start.velocity_y = velocity.y();
GetRenderInputRouter()->ForwardGestureEventWithLatencyInfo(event,
ui::LatencyInfo());
}
void RenderWidgetHostImpl::AutoscrollEnd() {
autoscroll_in_progress_ = false;
delegate()->GetInputEventRouter()->SetAutoScrollInProgress(
autoscroll_in_progress_);
// Don't send a GFC if no GSB is sent.
if (!sent_autoscroll_scroll_begin_) {
return;
}
sent_autoscroll_scroll_begin_ = false;
WebGestureEvent cancel_event = blink::SyntheticWebGestureEventBuilder::Build(
WebInputEvent::Type::kGestureFlingCancel,
blink::WebGestureDevice::kSyntheticAutoscroll);
cancel_event.data.fling_cancel.prevent_boosting = true;
cancel_event.SetPositionInWidget(autoscroll_start_position_);
GetRenderInputRouter()->ForwardGestureEventWithLatencyInfo(cancel_event,
ui::LatencyInfo());
}
bool RenderWidgetHostImpl::IsAutoscrollInProgress() {
return autoscroll_in_progress_;
}
TouchEmulatorImpl* RenderWidgetHostImpl::GetTouchEmulator(
bool create_if_necessary) {
if (!delegate_ || !delegate_->GetInputEventRouter()) {
return nullptr;
}
return static_cast<TouchEmulatorImpl*>(
delegate_->GetInputEventRouter()->GetTouchEmulator(create_if_necessary));
}
void RenderWidgetHostImpl::TextInputStateChanged(
ui::mojom::TextInputStatePtr state) {
saved_text_input_state_for_suppression_.reset();
if (!view_) {
return;
}
for (auto& callback : suppress_showing_ime_callbacks_) {
if (callback.Run()) {
state->always_hide_ime = true;
saved_text_input_state_for_suppression_ = std::move(state);
view_->TextInputStateChanged(*saved_text_input_state_for_suppression_);
return;
}
}
view_->TextInputStateChanged(*state);
}
void RenderWidgetHostImpl::OnImeCompositionRangeChanged(
const gfx::Range& range,
const std::optional<std::vector<gfx::Rect>>& character_bounds) {
if (view_) {
view_->ImeCompositionRangeChanged(range, character_bounds);
}
}
void RenderWidgetHostImpl::OnImeCancelComposition() {
if (view_) {
view_->ImeCancelComposition();
}
}
RenderWidgetHostViewBase* RenderWidgetHostImpl::GetRenderWidgetHostViewBase() {
return GetView();
}
void RenderWidgetHostImpl::OnStartStylusWriting() {
if (view_) {
view_->OnStartStylusWriting();
}
}
void RenderWidgetHostImpl::UpdateElementFocusForStylusWriting(
#if BUILDFLAG(IS_WIN)
const gfx::Rect& focus_widget_rect_in_dips
#endif // BUILDFLAG(IS_WIN)
) {
if (blink_frame_widget_) {
auto callback = base::BindOnce(
&RenderWidgetHostImpl::OnUpdateElementFocusForStylusWritingHandled,
weak_factory_.GetWeakPtr());
blink_frame_widget_->OnStartStylusWriting(
#if BUILDFLAG(IS_WIN)
focus_widget_rect_in_dips,
#endif // BUILDFLAG(IS_WIN)
std::move(callback));
}
}
void RenderWidgetHostImpl::OnUpdateElementFocusForStylusWritingHandled(
blink::mojom::StylusWritingFocusResultPtr focus_result) {
if (!view_) {
return;
}
#if BUILDFLAG(IS_WIN)
if (focus_result && focus_result->proximate_bounds) {
if (focus_result->proximate_bounds->range.length() !=
focus_result->proximate_bounds->widget_bounds_in_dips.size()) {
mojo::ReportBadMessage("mismatched range and bounds length received");
return;
}
if (focus_result->proximate_bounds->range.is_reversed()) {
mojo::ReportBadMessage("unexpected reversed range");
return;
}
}
#endif // BUILDFLAG(IS_WIN)
view_->OnEditElementFocusedForStylusWriting(std::move(focus_result));
}
void RenderWidgetHostImpl::PassImeRenderWidgetHost(
mojo::PendingRemote<blink::mojom::ImeRenderWidgetHost> pending_remote) {
#if BUILDFLAG(IS_ANDROID)
if (!blink_frame_widget_) {
return;
}
blink_frame_widget_->PassImeRenderWidgetHost(std::move(pending_remote));
#endif
}
void RenderWidgetHostImpl::SetMouseCapture(bool capture) {
if (!delegate_ || !delegate_->GetInputEventRouter()) {
return;
}
delegate_->GetInputEventRouter()->SetMouseCaptureTarget(GetView(), capture);
}
void RenderWidgetHostImpl::SetAutoscrollSelectionActiveInMainFrame(
bool autoscroll_selection) {
// If there is no |owner_delegate|, this is not a main frame.
if (!owner_delegate()) {
mojo::ReportBadMessage(
"|SetAutoscrollSelectionActiveInMainFrame| should only be invoked on "
"main frame's RenderWidgetHost");
return;
}
if (!delegate_ || !delegate_->GetInputEventRouter()) {
return;
}
delegate_->GetInputEventRouter()->RootViewReceivesMouseUpIfNecessary(
autoscroll_selection);
}
void RenderWidgetHostImpl::RequestMouseLock(
bool from_user_gesture,
bool unadjusted_movement,
input::InputRouterImpl::RequestMouseLockCallback response) {
if (pending_pointer_lock_request_ || IsPointerLocked()) {
std::move(response).Run(blink::mojom::PointerLockResult::kAlreadyLocked,
/*context=*/mojo::NullRemote());
return;
}
if (!view_ || !view_->CanBePointerLocked()) {
std::move(response).Run(blink::mojom::PointerLockResult::kWrongDocument,
/*context=*/mojo::NullRemote());
return;
}
request_pointer_lock_callback_ = std::move(response);
pending_pointer_lock_request_ = true;
pointer_lock_raw_movement_ = unadjusted_movement;
if (!delegate_) {
// No delegate, reject message.
GotResponseToPointerLockRequest(
blink::mojom::PointerLockResult::kPermissionDenied);
return;
}
delegate_->RequestToLockPointer(this, from_user_gesture,
is_last_unlocked_by_target_);
// We need to reset |is_last_unlocked_by_target_| here as we don't know
// request source in |LostPointerLock()|.
is_last_unlocked_by_target_ = false;
}
void RenderWidgetHostImpl::RequestMouseLockChange(
bool unadjusted_movement,
PointerLockContext::RequestMouseLockChangeCallback response) {
if (pending_pointer_lock_request_) {
std::move(response).Run(blink::mojom::PointerLockResult::kAlreadyLocked);
return;
}
if (!view_ || !view_->HasFocus()) {
std::move(response).Run(blink::mojom::PointerLockResult::kWrongDocument);
return;
}
std::move(response).Run(view_->ChangePointerLock(unadjusted_movement));
}
void RenderWidgetHostImpl::UnlockPointer() {
// Got unlock request from renderer. Will update |is_last_unlocked_by_target_|
// for silent re-lock.
const bool was_mouse_locked =
!pending_pointer_lock_request_ && IsPointerLocked();
RejectPointerLockOrUnlockIfNecessary(
blink::mojom::PointerLockResult::kUserRejected);
if (was_mouse_locked) {
is_last_unlocked_by_target_ = true;
}
}
void RenderWidgetHostImpl::OnInvalidFrameToken(uint32_t frame_token) {
bad_message::ReceivedBadMessage(GetProcess(),
bad_message::RWH_INVALID_FRAME_TOKEN);
}
void RenderWidgetHostImpl::RequestKeyboardLock(
std::optional<base::flat_set<ui::DomCode>> codes,
base::OnceCallback<void(blink::mojom::KeyboardLockRequestResult)>
keyboard_lock_request_callback) {
// If the callback from a previous request is still pending, reject it.
if (keyboard_lock_request_callback_) {
std::move(keyboard_lock_request_callback_)
.Run(blink::mojom::KeyboardLockRequestResult::kRequestFailedError);
}
keyboard_lock_request_callback_ = std::move(keyboard_lock_request_callback);
if (!delegate_) {
CancelKeyboardLock();
return;
}
CHECK(!codes.has_value() || !codes.value().empty());
keyboard_keys_to_lock_ = std::move(codes);
const bool esc_requested =
!keyboard_keys_to_lock_.has_value() ||
base::Contains(keyboard_keys_to_lock_.value(), ui::DomCode::ESCAPE);
delegate_->RequestKeyboardLock(this, esc_requested);
}
void RenderWidgetHostImpl::CancelKeyboardLock() {
if (delegate_) {
delegate_->CancelKeyboardLock(this);
}
UnlockKeyboard();
keyboard_lock_allowed_ = false;
keyboard_keys_to_lock_.reset();
}
base::flat_map<std::string, std::string>
RenderWidgetHostImpl::GetKeyboardLayoutMap() {
if (!view_) {
return {};
}
return view_->GetKeyboardLayoutMap();
}
void RenderWidgetHostImpl::RequestForceRedraw(int snapshot_id) {
if (!blink_widget_) {
return;
}
blink_widget_->ForceRedraw(
base::BindOnce(&RenderWidgetHostImpl::GotResponseToForceRedraw,
base::Unretained(this), snapshot_id));
}
bool RenderWidgetHostImpl::KeyPressListenersHandleEvent(
const input::NativeWebKeyboardEvent& event) {
if (event.skip_if_unhandled ||
event.GetType() != WebKeyboardEvent::Type::kRawKeyDown) {
return false;
}
for (size_t i = 0; i < key_press_event_callbacks_.size(); i++) {
size_t original_size = key_press_event_callbacks_.size();
if (key_press_event_callbacks_[i].Run(event)) {
return true;
}
// Check whether the callback that just ran removed itself, in which case
// the iterator needs to be decremented to properly account for the removal.
size_t current_size = key_press_event_callbacks_.size();
if (current_size != original_size) {
CHECK_EQ(original_size - 1, current_size);
--i;
}
}
return false;
}
void RenderWidgetHostImpl::OnInputIgnored(const blink::WebInputEvent& event) {
delegate_->OnInputIgnored(event);
}
input::StylusInterface* RenderWidgetHostImpl::GetStylusInterface() {
return static_cast<input::StylusInterface*>(GetView());
}
const mojo::AssociatedRemote<blink::mojom::FrameWidget>&
RenderWidgetHostImpl::GetAssociatedFrameWidget() {
return blink_frame_widget_;
}
blink::mojom::FrameWidgetInputHandler*
RenderWidgetHostImpl::GetFrameWidgetInputHandler() {
return GetRenderInputRouter()->GetFrameWidgetInputHandler();
}
std::optional<blink::VisualProperties>
RenderWidgetHostImpl::LastComputedVisualProperties() const {
if (!old_visual_properties_) {
return std::nullopt;
}
return *old_visual_properties_;
}
mojom::CreateFrameWidgetParamsPtr
RenderWidgetHostImpl::BindAndGenerateCreateFrameWidgetParams() {
auto params = mojom::CreateFrameWidgetParams::New();
params->routing_id = GetRoutingID();
mojo::PendingAssociatedRemote<blink::mojom::Widget> widget_remote;
params->widget = widget_remote.InitWithNewEndpointAndPassReceiver();
BindWidgetInterfaces(params->widget_host.InitWithNewEndpointAndPassReceiver(),
std::move(widget_remote));
mojo::PendingAssociatedRemote<blink::mojom::FrameWidget> frame_widget_remote;
params->frame_widget =
frame_widget_remote.InitWithNewEndpointAndPassReceiver();
BindFrameWidgetInterfaces(
params->frame_widget_host.InitWithNewEndpointAndPassReceiver(),
std::move(frame_widget_remote));
params->visual_properties = GetInitialVisualProperties();
return params;
}
void RenderWidgetHostImpl::OnWheelEventAck(
const input::MouseWheelEventWithLatencyInfo& wheel_event,
blink::mojom::InputEventResultSource ack_source,
blink::mojom::InputEventResultState ack_result) {
if (!is_hidden() && view_) {
if (ack_result != blink::mojom::InputEventResultState::kConsumed &&
delegate_ && delegate_->HandleWheelEvent(wheel_event.event)) {
ack_result = blink::mojom::InputEventResultState::kConsumed;
}
view_->WheelEventAck(wheel_event.event, ack_result);
}
}
bool RenderWidgetHostImpl::IsIgnoringWebInputEvents(
const blink::WebInputEvent& event) const {
return agent_scheduling_group_->GetProcess()->IsBlocked() || !delegate_ ||
delegate_->ShouldIgnoreWebInputEvents(event);
}
bool RenderWidgetHostImpl::IsIgnoringInputEvents() const {
return agent_scheduling_group_->GetProcess()->IsBlocked() || !delegate_ ||
delegate_->ShouldIgnoreInputEvents();
}
bool RenderWidgetHostImpl::GotResponseToPointerLockRequest(
blink::mojom::PointerLockResult response) {
if (response != blink::mojom::PointerLockResult::kSuccess) {
RejectPointerLockOrUnlockIfNecessary(response);
}
if (!pending_pointer_lock_request_) {
// This is possible, e.g., the plugin sends us an unlock request before
// the user allows to lock to mouse.
return false;
}
CHECK(request_pointer_lock_callback_);
pending_pointer_lock_request_ = false;
if (!view_ || !view_->HasFocus()) {
std::move(request_pointer_lock_callback_)
.Run(blink::mojom::PointerLockResult::kWrongDocument,
/*context=*/mojo::NullRemote());
return false;
}
blink::mojom::PointerLockResult result =
view_->LockPointer(pointer_lock_raw_movement_);
if (result != blink::mojom::PointerLockResult::kSuccess) {
std::move(request_pointer_lock_callback_)
.Run(result, /*context=*/mojo::NullRemote());
return false;
}
mojo::PendingRemote<blink::mojom::PointerLockContext> context =
pointer_lock_context_.BindNewPipeAndPassRemote(
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
std::move(request_pointer_lock_callback_)
.Run(blink::mojom::PointerLockResult::kSuccess, std::move(context));
pointer_lock_context_.set_disconnect_handler(base::BindOnce(
&RenderWidgetHostImpl::UnlockPointer, weak_factory_.GetWeakPtr()));
return true;
}
void RenderWidgetHostImpl::GotResponseToKeyboardLockRequest(bool allowed) {
keyboard_lock_allowed_ = allowed;
if (keyboard_lock_allowed_) {
LockKeyboard();
} else {
UnlockKeyboard();
}
}
void RenderWidgetHostImpl::GotResponseToForceRedraw(int snapshot_id) {
// Snapshots from surface do not need to wait for the screen update.
if (!pending_surface_browser_snapshots_.empty()) {
GetView()->CopyFromSurface(
gfx::Rect(), gfx::Size(),
base::BindOnce(&RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived,
weak_factory_.GetWeakPtr(), snapshot_id, 0));
}
if (pending_browser_snapshots_.empty()) {
return;
}
#if BUILDFLAG(IS_MAC) || BUILDFLAG(IS_WIN)
// On Mac, when using CoreAnimation, or Win32 when using GDI, there is a
// delay between when content is drawn to the screen, and when the
// snapshot will actually pick up that content. Insert a manual delay of
// 1/6th of a second (to simulate 10 frames at 60 fps) before actually
// taking the snapshot.
base::SingleThreadTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&RenderWidgetHostImpl::WindowSnapshotReachedScreen,
weak_factory_.GetWeakPtr(), snapshot_id),
base::Seconds(1. / 6));
#else
WindowSnapshotReachedScreen(snapshot_id);
#endif
}
void RenderWidgetHostImpl::DetachDelegate() {
delegate_ = nullptr;
GetRenderInputRouter()->GetLatencyTracker()->reset_delegate();
}
void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) {
CHECK(base::CurrentUIThread::IsSet());
if (!pending_browser_snapshots_.empty()) {
#if BUILDFLAG(IS_ANDROID)
// On Android, call sites should pass in the bounds with correct offset
// to capture the intended content area.
gfx::Rect snapshot_bounds(GetView()->GetViewBounds());
snapshot_bounds.Offset(0, GetView()->GetNativeView()->content_offset());
#else
gfx::Rect snapshot_bounds(GetView()->GetViewBounds().size());
#endif
ui::GrabViewSnapshot(
GetView()->GetNativeView(), snapshot_bounds,
base::BindOnce(&RenderWidgetHostImpl::OnSnapshotReceived,
weak_factory_.GetWeakPtr(), snapshot_id));
}
}
void RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived(
int snapshot_id,
int retry_count,
const SkBitmap& bitmap) {
static constexpr int kMaxRetries = 5;
if (bitmap.drawsNothing() && retry_count < kMaxRetries) {
GetView()->CopyFromSurface(
gfx::Rect(), gfx::Size(),
base::BindOnce(&RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived,
weak_factory_.GetWeakPtr(), snapshot_id,
retry_count + 1));
return;
}
// If all retries have failed, we return an empty image.
gfx::Image image;
if (!bitmap.drawsNothing()) {
image = gfx::Image::CreateFrom1xBitmap(bitmap);
}
// Any pending snapshots with a lower ID than the one received are considered
// to be implicitly complete, and returned the same snapshot data.
auto it = pending_surface_browser_snapshots_.begin();
while (it != pending_surface_browser_snapshots_.end()) {
if (it->first <= snapshot_id) {
std::move(it->second).Run(image);
pending_surface_browser_snapshots_.erase(it++);
} else {
++it;
}
}
}
void RenderWidgetHostImpl::OnSnapshotReceived(int snapshot_id,
gfx::Image image) {
// Any pending snapshots with a lower ID than the one received are considered
// to be implicitly complete, and returned the same snapshot data.
auto it = pending_browser_snapshots_.begin();
while (it != pending_browser_snapshots_.end()) {
if (it->first <= snapshot_id) {
std::move(it->second).Run(image);
pending_browser_snapshots_.erase(it++);
} else {
++it;
}
}
#if BUILDFLAG(IS_MAC)
if (pending_browser_snapshots_.empty()) {
GetWakeLock()->CancelWakeLock();
}
#endif
}
ui::BrowserAccessibilityManager*
RenderWidgetHostImpl::GetRootBrowserAccessibilityManager() {
return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : nullptr;
}
ui::BrowserAccessibilityManager*
RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
return delegate_ ? delegate_->GetOrCreateRootBrowserAccessibilityManager()
: nullptr;
}
void RenderWidgetHostImpl::GrantFileAccessFromDropData(DropData* drop_data) {
CHECK_EQ(GetRoutingID(), drop_data->view_id);
RenderProcessHost* process = GetProcess();
PrepareDropDataForChildProcess(
drop_data, ChildProcessSecurityPolicyImpl::GetInstance(),
process->GetDeprecatedID(),
process->GetStoragePartition()->GetFileSystemContext());
}
void RenderWidgetHostImpl::RequestCompositionUpdates(bool immediate_request,
bool monitor_updates) {
if (!immediate_request && monitor_updates == monitoring_composition_info_) {
return;
}
monitoring_composition_info_ = monitor_updates;
GetWidgetInputHandler()->RequestCompositionUpdates(immediate_request,
monitor_updates);
}
void RenderWidgetHostImpl::CreateFrameSink(
mojo::PendingReceiver<viz::mojom::CompositorFrameSink>
compositor_frame_sink_receiver,
mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient>
compositor_frame_sink_client,
mojo::PendingRemote<blink::mojom::RenderInputRouterClient>
viz_rir_client_remote) {
// Connects the viz process end of CompositorFrameSink message pipes. The
// renderer compositor may request a new CompositorFrameSink on context
// loss, which will destroy the existing CompositorFrameSink.
create_frame_sink_callback_ = base::BindOnce(
[](mojo::PendingReceiver<viz::mojom::CompositorFrameSink> receiver,
mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient> client,
mojo::PendingRemote<blink::mojom::RenderInputRouterClient>
viz_rir_client_remote,
bool force_enable_zoom, base::UnguessableToken grouping_id,
const viz::FrameSinkId& frame_sink_id) {
input::mojom::RenderInputRouterConfigPtr config;
if (input::InputUtils::IsTransferInputToVizSupported()) {
config = input::mojom::RenderInputRouterConfig::New();
config->rir_client = std::move(viz_rir_client_remote);
config->grouping_id = grouping_id;
config->force_enable_zoom = force_enable_zoom;
}
GetHostFrameSinkManager()->CreateCompositorFrameSink(
frame_sink_id, std::move(receiver), std::move(client),
std::move(config));
},
std::move(compositor_frame_sink_receiver),
std::move(compositor_frame_sink_client), std::move(viz_rir_client_remote),
GetRenderInputRouter()->GetForceEnableZoom());
if (input::InputUtils::IsTransferInputToVizSupported()) {
// Handles setting up GPU mojo endpoint connections for
// RenderInputRouterDelegate[Client] interfaces.
mojo_rir_delegate_impl_.SetupRenderInputRouterDelegateConnection();
}
MaybeDispatchBufferedFrameSinkRequest();
}
void RenderWidgetHostImpl::MaybeDispatchBufferedFrameSinkRequest() {
if (!view_ || !view_is_frame_sink_id_owner_) {
return;
}
if (!create_frame_sink_callback_) {
return;
}
if (compositor_metric_recorder_) {
compositor_metric_recorder_->DidRequestFrameSink();
}
std::move(create_frame_sink_callback_)
.Run(delegate_->GetCompositorFrameSinkGroupingId(),
view_->GetFrameSinkId());
}
void RenderWidgetHostImpl::RegisterRenderFrameMetadataObserver(
mojo::PendingReceiver<cc::mojom::RenderFrameMetadataObserverClient>
render_frame_metadata_observer_client_receiver,
mojo::PendingRemote<cc::mojom::RenderFrameMetadataObserver>
render_frame_metadata_observer) {
render_frame_metadata_provider_.Bind(
std::move(render_frame_metadata_observer_client_receiver),
std::move(render_frame_metadata_observer));
}
bool RenderWidgetHostImpl::HasGestureStopped() {
if (delegate_ && delegate_->GetInputEventRouter() &&
delegate_->GetInputEventRouter()->HasEventsPendingDispatch()) {
return false;
}
if (input_router()->HasPendingEvents()) {
return false;
}
std::unique_ptr<RenderWidgetHostIterator> child_widgets(
GetEmbeddedRenderWidgetHosts(GetView()));
while (RenderWidgetHost* child = child_widgets->GetNextHost()) {
auto* child_impl = static_cast<RenderWidgetHostImpl*>(child);
if (!child_impl->HasGestureStopped()) {
return false;
}
}
return true;
}
bool RenderWidgetHostImpl::IsHidden() const {
return is_hidden_;
}
void RenderWidgetHostImpl::DidProcessFrame(uint32_t frame_token,
base::TimeTicks activation_time) {
frame_token_message_queue_->DidProcessFrame(frame_token, activation_time);
}
#if BUILDFLAG(IS_MAC)
device::mojom::WakeLock* RenderWidgetHostImpl::GetWakeLock() {
// Here is a lazy binding, and will not reconnect after connection error.
if (!wake_lock_) {
mojo::Remote<device::mojom::WakeLockProvider> wake_lock_provider;
GetDeviceService().BindWakeLockProvider(
wake_lock_provider.BindNewPipeAndPassReceiver());
wake_lock_provider->GetWakeLockWithoutContext(
device::mojom::WakeLockType::kPreventDisplaySleep,
device::mojom::WakeLockReason::kOther, "GetSnapshot",
wake_lock_.BindNewPipeAndPassReceiver());
}
return wake_lock_.get();
}
#endif
std::unique_ptr<input::FlingSchedulerBase>
RenderWidgetHostImpl::MakeFlingScheduler() {
#if BUILDFLAG(IS_MAC)
return std::make_unique<FlingSchedulerMac>(this);
#elif BUILDFLAG(IS_ANDROID)
return std::make_unique<FlingSchedulerAndroid>(this);
#else
return std::make_unique<FlingScheduler>(this);
#endif
}
input::RenderInputRouter* RenderWidgetHostImpl::GetRenderInputRouter() {
return render_input_router_.get();
}
void RenderWidgetHostImpl::SetupRenderInputRouter() {
render_input_router_ = std::make_unique<input::RenderInputRouter>(
this, MakeFlingScheduler(), this,
GetUIThreadTaskRunner({BrowserTaskType::kUserInput}));
SetupInputRouter();
}
void RenderWidgetHostImpl::SetupInputRouter() {
suppress_events_until_keydown_ = false;
monitoring_composition_info_ = false;
GetRenderInputRouter()->SetupInputRouter(GetScaleFactorForView(view_.get()));
}
void RenderWidgetHostImpl::SetForceEnableZoom(bool enabled) {
if (auto* remote =
mojo_rir_delegate_impl_.GetRenderInputRouterDelegateRemote()) {
remote->ForceEnableZoomStateChanged(enabled, frame_sink_id_);
}
GetRenderInputRouter()->SetForceEnableZoom(enabled);
}
void RenderWidgetHostImpl::ProgressFlingIfNeeded(base::TimeTicks current_time) {
GetRenderInputRouter()->ProgressFlingIfNeeded(current_time);
}
void RenderWidgetHostImpl::ForceFirstFrameAfterNavigationTimeout() {
if (!IsContentRenderingTimeoutRunning()) {
return;
}
new_content_rendering_timeout_->Stop();
ClearDisplayedGraphics();
DisableCompositorMetricRecording();
}
void RenderWidgetHostImpl::StopFling() {
GetRenderInputRouter()->StopFling();
}
void RenderWidgetHostImpl::SetScreenOrientationForTesting(
uint16_t angle,
display::mojom::ScreenOrientation type) {
screen_orientation_angle_for_testing_ = angle;
screen_orientation_type_for_testing_ = type;
SynchronizeVisualProperties();
}
void RenderWidgetHostImpl::LockKeyboard() {
if (!keyboard_lock_allowed_ || !view_) {
if (keyboard_lock_request_callback_) {
std::move(keyboard_lock_request_callback_)
.Run(blink::mojom::KeyboardLockRequestResult::kRequestFailedError);
}
return;
}
// Even if the page isn't focused or in fullscreen, we still want to call
// `keyboard_lock_request_callback_` to let it know whether it has the
// permission to lock the keyboard, but we don't actually lock the
// keyboard until it gains focus and enters fullscreen. LockKeyboard() will be
// called again when the page gains focus or enters fullscreen.
if (keyboard_lock_request_callback_) {
std::move(keyboard_lock_request_callback_)
.Run(blink::mojom::KeyboardLockRequestResult::kSuccess);
}
if (!delegate_->IsFullscreen() || !is_focused_) {
return;
}
// KeyboardLock can be activated and deactivated several times per request,
// for example when a fullscreen tab loses and gains focus multiple times,
// so we need to retain a copy of the keys requested.
std::optional<base::flat_set<ui::DomCode>> copy = keyboard_keys_to_lock_;
view_->LockKeyboard(std::move(copy));
}
void RenderWidgetHostImpl::UnlockKeyboard() {
if (IsKeyboardLocked()) {
view_->UnlockKeyboard();
}
if (keyboard_lock_request_callback_) {
std::move(keyboard_lock_request_callback_)
.Run(blink::mojom::KeyboardLockRequestResult::kRequestFailedError);
}
}
void RenderWidgetHostImpl::OnRenderFrameMetadataChangedBeforeActivation(
const cc::RenderFrameMetadata& metadata) {}
void RenderWidgetHostImpl::OnRenderFrameMetadataChangedAfterActivation(
base::TimeTicks activation_time) {
if (!first_content_metadata_received_) {
first_content_metadata_received_ = true;
first_content_metadata_time_ = base::TimeTicks::Now();
input_router()->MakeActive();
}
const auto& metadata =
render_frame_metadata_provider_.LastRenderFrameMetadata();
const bool mobile_optimized_state_changed =
(is_mobile_optimized_ != metadata.is_mobile_optimized);
is_mobile_optimized_ = metadata.is_mobile_optimized;
if (mobile_optimized_state_changed) {
input_router()->NotifySiteIsMobileOptimized(is_mobile_optimized_);
}
if (auto* touch_emulator = GetTouchEmulator(/*create_if_necessary=*/false)) {
touch_emulator->SetDoubleTapSupportForPageEnabled(!is_mobile_optimized_);
}
// TODO(danakj): Can this method be called during WebContents destruction?
if (!delegate()) {
return;
}
// The root BrowserAccessibilityManager only is reachable if there's a
// delegate() still, ie we're not in shutdown. This can be null in tests.
ui::BrowserAccessibilityManager* accessibility_manager =
GetRootBrowserAccessibilityManager();
if (accessibility_manager) {
accessibility_manager->SetPageScaleFactor(metadata.page_scale_factor);
}
// The value |kNull| is only used to indicate an absence of vertical scroll
// direction and should therefore be ignored.
// Also, changes in vertical scroll direction are only propagated for main
// frames. If there is no |owner_delegate|, this is not a main frame.
if (metadata.new_vertical_scroll_direction !=
viz::VerticalScrollDirection::kNull &&
owner_delegate()) {
delegate()->OnVerticalScrollDirectionChanged(
metadata.new_vertical_scroll_direction);
}
}
std::vector<viz::SurfaceId>
RenderWidgetHostImpl::CollectSurfaceIdsForEviction() {
RenderViewHostImpl* rvh = RenderViewHostImpl::From(this);
// A corresponding RenderViewHostImpl may not exist in unit tests.
if (!rvh) {
return {};
}
return rvh->CollectSurfaceIdsForEviction();
}
std::unique_ptr<input::RenderInputRouterIterator>
RenderWidgetHostImpl::GetEmbeddedRenderInputRouters() {
return GetEmbeddedRenderWidgetHosts(GetView());
}
namespace {
bool TransformPointAndRectToRootView(RenderWidgetHostViewBase* view,
RenderWidgetHostViewBase* root_view,
gfx::Point* transformed_point,
gfx::Rect* transformed_rect) {
gfx::Transform transform_to_main_frame;
if (!view->GetTransformToViewCoordSpace(root_view,
&transform_to_main_frame)) {
return false;
}
if (transformed_point) {
*transformed_point = transform_to_main_frame.MapPoint(*transformed_point);
}
if (transformed_rect) {
*transformed_rect = transform_to_main_frame.MapRect(*transformed_rect);
}
return true;
}
} // namespace
void RenderWidgetHostImpl::AnimateDoubleTapZoomInMainFrame(
const gfx::Point& point,
const gfx::Rect& rect_to_zoom) {
if (!view_) {
return;
}
auto* root_view = view_->GetRootView();
gfx::Point transformed_point(point);
gfx::Rect transformed_rect_to_zoom(rect_to_zoom);
if (!TransformPointAndRectToRootView(view_.get(), root_view,
&transformed_point,
&transformed_rect_to_zoom)) {
return;
}
auto* root_rvhi = RenderViewHostImpl::From(root_view->GetRenderWidgetHost());
root_rvhi->AnimateDoubleTapZoom(transformed_point, transformed_rect_to_zoom);
}
void RenderWidgetHostImpl::ZoomToFindInPageRectInMainFrame(
const gfx::Rect& rect_to_zoom) {
if (!view_) {
return;
}
auto* root_view = view_->GetRootView();
gfx::Rect transformed_rect_to_zoom(rect_to_zoom);
if (!TransformPointAndRectToRootView(view_.get(), root_view, nullptr,
&transformed_rect_to_zoom)) {
return;
}
auto* root_rvhi = RenderViewHostImpl::From(root_view->GetRenderWidgetHost());
root_rvhi->ZoomToFindInPageRect(transformed_rect_to_zoom);
}
void RenderWidgetHostImpl::SetHasTouchEventConsumers(
blink::mojom::TouchEventConsumersPtr consumers) {
input_router()->OnHasTouchEventConsumers(std::move(consumers));
}
void RenderWidgetHostImpl::IntrinsicSizingInfoChanged(
blink::mojom::IntrinsicSizingInfoPtr sizing_info) {
if (view_) {
view_->UpdateIntrinsicSizingInfo(std::move(sizing_info));
}
}
// This method was copied from RenderWidget::ConvertWindowToViewport() when
// porting drag-and-drop calls to Mojo, so that RenderWidgetHostImpl bypasses
// RenderWidget to talk the the WebFrameWidget and needs to perform the scale
// operation itself.
gfx::PointF RenderWidgetHostImpl::ConvertWindowPointToViewport(
const gfx::PointF& window_point) {
gfx::PointF viewport_point = window_point;
viewport_point.Scale(GetScaleFactorForView(GetView()));
return viewport_point;
}
void RenderWidgetHostImpl::SetViewIsFrameSinkIdOwner(bool is_owner) {
if (view_is_frame_sink_id_owner_ == is_owner) {
return;
}
view_is_frame_sink_id_owner_ = is_owner;
if (view_) {
view_->SetIsFrameSinkIdOwner(view_is_frame_sink_id_owner_);
MaybeDispatchBufferedFrameSinkRequest();
}
}
RenderWidgetHostImpl::MainFramePropagationProperties::
MainFramePropagationProperties() = default;
RenderWidgetHostImpl::MainFramePropagationProperties::
~MainFramePropagationProperties() = default;
RenderWidgetHostImpl::PendingShowParams::PendingShowParams(
bool is_evicted,
blink::mojom::RecordContentToVisibleTimeRequestPtr visible_time_request)
: is_evicted(is_evicted),
visible_time_request(std::move(visible_time_request)) {}
RenderWidgetHostImpl::PendingShowParams::~PendingShowParams() = default;
void RenderWidgetHostImpl::DisableCompositorMetricRecording() {
compositor_metric_recorder_.reset();
}
void RenderWidgetHostImpl::ForceRedrawForTesting() {
CHECK(blink_widget_);
blink_widget_->ForceRedraw(base::DoNothing());
}
void RenderWidgetHostImpl::SetIsDiscarding(bool is_discarding) {
if (is_discarding_ == is_discarding) {
return;
}
is_discarding_ = is_discarding;
UpdatePriority();
}
RenderWidgetHostImpl::CompositorMetricRecorder::CompositorMetricRecorder(
RenderWidgetHostImpl* owner)
: owner_(owner) {}
void RenderWidgetHostImpl::CompositorMetricRecorder::
DidStartNavigationCommit() {
if (commit_nav_timestamp_ != base::TimeTicks()) {
// A second navigation is committing this RenderWidgetHost. We only want to
// record metrics for the first navigation, so disable any recording after
// this.
owner_->DisableCompositorMetricRecording();
// DO NOT ADD CODE after this line. The call above has deleted `this`, so
// immediately return.
return;
}
commit_nav_timestamp_ = base::TimeTicks::Now();
TryToRecordMetrics();
}
void RenderWidgetHostImpl::CompositorMetricRecorder::DidSwap() {
if (swap_rfh_timestamp_ != base::TimeTicks()) {
// A second navigation is swapping in a RenderFrameHost that's associated
// with this RenderWidgetHost. We only want to record metrics for the first
// navigation, so disable any recording after this.
owner_->DisableCompositorMetricRecording();
// DO NOT ADD CODE after this line. The call above has deleted `this`, so
// immediately return.
return;
}
swap_rfh_timestamp_ = base::TimeTicks::Now();
TryToRecordMetrics();
}
void RenderWidgetHostImpl::CompositorMetricRecorder::DidRequestFrameSink() {
if (create_frame_sink_timestamp_ != base::TimeTicks()) {
return;
}
create_frame_sink_timestamp_ = base::TimeTicks::Now();
TryToRecordMetrics();
}
base::TimeTicks
RenderWidgetHostImpl::CompositorMetricRecorder::CommitNavigationTime() {
return commit_nav_timestamp_;
}
void RenderWidgetHostImpl::CompositorMetricRecorder::TryToRecordMetrics() {
if (commit_nav_timestamp_ == base::TimeTicks() ||
swap_rfh_timestamp_ == base::TimeTicks() ||
create_frame_sink_timestamp_ == base::TimeTicks()) {
// We need all three events (commit, swap RFH, frame sink creation) to have
// happened to record the metrics.
return;
}
if (create_frame_sink_timestamp_ < commit_nav_timestamp_) {
base::UmaHistogramBoolean("Navigation.CompositorRequestedBeforeCommit2",
true);
UMA_HISTOGRAM_CUSTOM_TIMES(
"Navigation.CompositorCreationToCommit2",
commit_nav_timestamp_ - create_frame_sink_timestamp_,
base::Milliseconds(1), base::Minutes(10), 50);
} else {
base::UmaHistogramBoolean("Navigation.CompositorRequestedBeforeCommit2",
false);
base::UmaHistogramCustomTimes(
"Navigation.CommitToCompositorCreation",
create_frame_sink_timestamp_ - commit_nav_timestamp_,
base::Milliseconds(1), base::Minutes(10), 50);
}
if (create_frame_sink_timestamp_ < swap_rfh_timestamp_) {
base::UmaHistogramBoolean("Navigation.CompositorRequestedBeforeSwapRFH2",
true);
base::UmaHistogramCustomTimes(
"Navigation.CompositorCreationToSwapRFH2",
swap_rfh_timestamp_ - create_frame_sink_timestamp_,
base::Milliseconds(1), base::Minutes(10), 50);
} else {
base::UmaHistogramBoolean("Navigation.CompositorRequestedBeforeSwapRFH2",
false);
base::UmaHistogramCustomTimes(
"Navigation.SwapRFHToCompositorCreation",
create_frame_sink_timestamp_ - swap_rfh_timestamp_,
base::Milliseconds(1), base::Minutes(10), 50);
}
}
} // namespace content