blob: 71e87977be561e2e09fc852c51010017bc12e851 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// 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 <set>
#include <tuple>
#include <utility>
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/containers/hash_tables.h"
#include "base/debug/dump_without_crashing.h"
#include "base/i18n/rtl.h"
#include "base/lazy_instance.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/memory/shared_memory.h"
#include "base/message_loop/message_loop.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task_scheduler/post_task.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/base/switches.h"
#include "cc/trees/render_frame_metadata.h"
#include "components/viz/common/features.h"
#include "components/viz/common/quads/compositor_frame.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "components/viz/service/display_embedder/server_shared_bitmap_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/browser_plugin/browser_plugin_guest.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/compositor/surface_utils.h"
#include "content/browser/fileapi/browser_file_system_helper.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/browser/renderer_host/dip_util.h"
#include "content/browser/renderer_host/frame_metadata_util.h"
#include "content/browser/renderer_host/input/input_router_config_helper.h"
#include "content/browser/renderer_host/input/input_router_impl.h"
#include "content/browser/renderer_host/input/legacy_input_router_impl.h"
#include "content/browser/renderer_host/input/synthetic_gesture.h"
#include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target.h"
#include "content/browser/renderer_host/input/timeout_monitor.h"
#include "content/browser/renderer_host/input/touch_emulator.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_input_event_router.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/common/content_constants_internal.h"
#include "content/common/content_switches_internal.h"
#include "content/common/cursors/webcursor.h"
#include "content/common/drag_messages.h"
#include "content/common/frame_messages.h"
#include "content/common/input_messages.h"
#include "content/common/resize_params.h"
#include "content/common/text_input_state.h"
#include "content/common/view_messages.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/keyboard_event_processing_result.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_widget_host_iterator.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/result_codes.h"
#include "content/public/common/web_preferences.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/service/gpu_switches.h"
#include "gpu/ipc/common/gpu_messages.h"
#include "net/base/filename_util.h"
#include "skia/ext/image_operations.h"
#include "skia/ext/platform_canvas.h"
#include "storage/browser/fileapi/isolated_context.h"
#include "third_party/WebKit/public/web/WebImeTextSpan.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/ui_base_switches.h"
#include "ui/display/display_switches.h"
#include "ui/display/screen.h"
#include "ui/events/blink/web_input_event_traits.h"
#include "ui/events/event.h"
#include "ui/events/keycodes/keyboard_codes.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 defined(OS_ANDROID)
#include "ui/android/view_android.h"
#else
#include "content/browser/compositor/image_transport_factory.h"
// nogncheck as dependency of "ui/compositor" is on non-Android platforms only.
#include "ui/compositor/compositor.h" // nogncheck
#endif
#if defined(OS_MACOSX)
#include "content/public/common/service_manager_connection.h"
#include "services/device/public/interfaces/constants.mojom.h"
#include "services/device/public/interfaces/wake_lock_provider.mojom.h"
#include "services/service_manager/public/cpp/connector.h"
#include "ui/accelerated_widget_mac/window_resize_helper_mac.h"
#endif
using base::TimeDelta;
using base::TimeTicks;
using blink::WebDragOperation;
using blink::WebDragOperationsMask;
using blink::WebGestureEvent;
using blink::WebInputEvent;
using blink::WebKeyboardEvent;
using blink::WebMouseEvent;
using blink::WebMouseWheelEvent;
using blink::WebTextDirection;
namespace content {
namespace {
bool g_check_for_pending_resize_ack = true;
// <process id, routing id>
using RenderWidgetHostID = std::pair<int32_t, int32_t>;
using RoutingIDWidgetMap =
base::hash_map<RenderWidgetHostID, RenderWidgetHostImpl*>;
base::LazyInstance<RoutingIDWidgetMap>::DestructorAtExit
g_routing_id_widget_map = LAZY_INSTANCE_INITIALIZER;
// Implements the RenderWidgetHostIterator interface. It keeps a list of
// RenderWidgetHosts, and makes sure it returns a live RenderWidgetHost at each
// iteration (or NULL if there isn't any left).
class RenderWidgetHostIteratorImpl : public RenderWidgetHostIterator {
public:
RenderWidgetHostIteratorImpl()
: current_index_(0) {
}
~RenderWidgetHostIteratorImpl() override {}
void Add(RenderWidgetHost* host) {
hosts_.push_back(RenderWidgetHostID(host->GetProcess()->GetID(),
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;
}
private:
std::vector<RenderWidgetHostID> hosts_;
size_t current_index_;
DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostIteratorImpl);
};
inline blink::WebGestureEvent CreateScrollBeginForWrapping(
const blink::WebGestureEvent& gesture_event) {
DCHECK(gesture_event.GetType() == blink::WebInputEvent::kGestureScrollUpdate);
blink::WebGestureEvent wrap_gesture_scroll_begin(
blink::WebInputEvent::kGestureScrollBegin, gesture_event.GetModifiers(),
gesture_event.TimeStampSeconds());
wrap_gesture_scroll_begin.source_device = gesture_event.source_device;
wrap_gesture_scroll_begin.data.scroll_begin.delta_x_hint = 0;
wrap_gesture_scroll_begin.data.scroll_begin.delta_y_hint = 0;
wrap_gesture_scroll_begin.resending_plugin_id =
gesture_event.resending_plugin_id;
wrap_gesture_scroll_begin.data.scroll_begin.delta_hint_units =
gesture_event.data.scroll_update.delta_units;
return wrap_gesture_scroll_begin;
}
inline blink::WebGestureEvent CreateScrollEndForWrapping(
const blink::WebGestureEvent& gesture_event) {
DCHECK(gesture_event.GetType() == blink::WebInputEvent::kGestureScrollUpdate);
blink::WebGestureEvent wrap_gesture_scroll_end(
blink::WebInputEvent::kGestureScrollEnd, gesture_event.GetModifiers(),
gesture_event.TimeStampSeconds());
wrap_gesture_scroll_end.source_device = gesture_event.source_device;
wrap_gesture_scroll_end.resending_plugin_id =
gesture_event.resending_plugin_id;
wrap_gesture_scroll_end.data.scroll_end.delta_units =
gesture_event.data.scroll_update.delta_units;
return wrap_gesture_scroll_end;
}
std::vector<DropData::Metadata> DropDataToMetaData(const DropData& drop_data) {
std::vector<DropData::Metadata> metadata;
if (!drop_data.text.is_null()) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING,
base::ASCIIToUTF16(ui::Clipboard::kMimeTypeText)));
}
if (drop_data.url.is_valid()) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING,
base::ASCIIToUTF16(ui::Clipboard::kMimeTypeURIList)));
}
if (!drop_data.html.is_null()) {
metadata.push_back(DropData::Metadata::CreateForMimeType(
DropData::Kind::STRING,
base::ASCIIToUTF16(ui::Clipboard::kMimeTypeHTML)));
}
// 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));
}
}
// 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));
}
}
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;
}
class UnboundWidgetInputHandler : public mojom::WidgetInputHandler {
public:
void SetFocus(bool focused) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void MouseCaptureLost() override {
DLOG(WARNING) << "Input request on unbound interface";
}
void SetEditCommandsForNextKeyEvent(
const std::vector<content::EditCommand>& commands) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void CursorVisibilityChanged(bool visible) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void ImeSetComposition(const base::string16& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& range,
int32_t start,
int32_t end) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void ImeCommitText(const base::string16& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& range,
int32_t relative_cursor_position) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void ImeFinishComposingText(bool keep_selection) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void RequestTextInputStateUpdate() override {
DLOG(WARNING) << "Input request on unbound interface";
}
void RequestCompositionUpdates(bool immediate_request,
bool monitor_request) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void DispatchEvent(std::unique_ptr<content::InputEvent> event,
DispatchEventCallback callback) override {
DLOG(WARNING) << "Input request on unbound interface";
}
void DispatchNonBlockingEvent(
std::unique_ptr<content::InputEvent> event) override {
DLOG(WARNING) << "Input request on unbound interface";
}
};
} // namespace
///////////////////////////////////////////////////////////////////////////////
// RenderWidgetHostImpl
RenderWidgetHostImpl::RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
RenderProcessHost* process,
int32_t routing_id,
mojom::WidgetPtr widget,
bool hidden)
: renderer_initialized_(false),
destroyed_(false),
delegate_(delegate),
owner_delegate_(nullptr),
process_(process),
routing_id_(routing_id),
is_loading_(false),
is_hidden_(hidden),
repaint_ack_pending_(false),
resize_ack_pending_(false),
auto_resize_enabled_(false),
waiting_for_screen_rects_ack_(false),
needs_repainting_on_restore_(false),
is_unresponsive_(false),
in_flight_event_count_(0),
in_get_backing_store_(false),
ignore_input_events_(false),
text_direction_updated_(false),
text_direction_(blink::kWebTextDirectionLeftToRight),
text_direction_canceled_(false),
suppress_events_until_keydown_(false),
pending_mouse_lock_request_(false),
allow_privileged_mouse_lock_(false),
is_last_unlocked_by_target_(false),
has_touch_handler_(false),
is_in_touchpad_gesture_fling_(false),
latency_tracker_(true, delegate_),
next_browser_snapshot_id_(1),
owned_by_render_frame_host_(false),
is_focused_(false),
hung_renderer_delay_(
base::TimeDelta::FromMilliseconds(kHungRendererDelayMs)),
new_content_rendering_delay_(
base::TimeDelta::FromMilliseconds(kNewContentRenderingDelayMs)),
current_content_source_id_(0),
monitoring_composition_info_(false),
compositor_frame_sink_binding_(this),
weak_factory_(this) {
CHECK(delegate_);
CHECK_NE(MSG_ROUTING_NONE, routing_id_);
DCHECK(base::TaskScheduler::GetInstance())
<< "Ref. Prerequisite section of post_task.h";
std::pair<RoutingIDWidgetMap::iterator, bool> result =
g_routing_id_widget_map.Get().insert(std::make_pair(
RenderWidgetHostID(process->GetID(), routing_id_), this));
CHECK(result.second) << "Inserting a duplicate item!";
process_->AddRoute(routing_id_, this);
process_->AddWidget(this);
process_->GetSharedBitmapAllocationNotifier()->AddObserver(this);
// If we're initially visible, tell the process host that we're alive.
// Otherwise we'll notify the process host when we are first shown.
if (!hidden)
process_->WidgetRestored();
latency_tracker_.Initialize(routing_id_, GetProcess()->GetID());
SetupInputRouter();
touch_emulator_.reset();
SetWidget(std::move(widget));
const auto* command_line = base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kDisableHangMonitor)) {
hang_monitor_timeout_.reset(new TimeoutMonitor(
base::Bind(&RenderWidgetHostImpl::RendererIsUnresponsive,
weak_factory_.GetWeakPtr())));
}
if (!command_line->HasSwitch(switches::kDisableNewContentRenderingTimeout)) {
new_content_rendering_timeout_.reset(new TimeoutMonitor(
base::Bind(&RenderWidgetHostImpl::ClearDisplayedGraphics,
weak_factory_.GetWeakPtr())));
}
enable_surface_synchronization_ = features::IsSurfaceSynchronizationEnabled();
enable_viz_ = base::FeatureList::IsEnabled(features::kVizDisplayCompositor);
delegate_->RenderWidgetCreated(this);
}
RenderWidgetHostImpl::~RenderWidgetHostImpl() {
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) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer();
RoutingIDWidgetMap::iterator it = widgets->find(
RenderWidgetHostID(process_id, routing_id));
return it == widgets->end() ? NULL : it->second;
}
// static
std::unique_ptr<RenderWidgetHostIterator>
RenderWidgetHost::GetRenderWidgetHosts() {
std::unique_ptr<RenderWidgetHostIteratorImpl> hosts(
new RenderWidgetHostIteratorImpl());
for (auto& it : g_routing_id_widget_map.Get()) {
RenderWidgetHost* widget = it.second;
RenderViewHost* rvh = RenderViewHost::From(widget);
if (!rvh) {
hosts->Add(widget);
continue;
}
// For RenderViewHosts, add only active ones.
if (static_cast<RenderViewHostImpl*>(rvh)->is_active())
hosts->Add(widget);
}
return std::move(hosts);
}
// static
std::unique_ptr<RenderWidgetHostIterator>
RenderWidgetHostImpl::GetAllRenderWidgetHosts() {
std::unique_ptr<RenderWidgetHostIteratorImpl> hosts(
new 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);
}
void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) {
if (view) {
view_ = view->GetWeakPtr();
if (renderer_compositor_frame_sink_.is_bound()) {
view->DidCreateNewRendererCompositorFrameSink(
renderer_compositor_frame_sink_.get());
}
// Views start out not needing begin frames, so only update its state
// if the value has changed.
if (needs_begin_frames_)
view_->SetNeedsBeginFrames(needs_begin_frames_);
} else {
view_.reset();
}
synthetic_gesture_controller_.reset();
}
RenderProcessHost* RenderWidgetHostImpl::GetProcess() const {
return process_;
}
int RenderWidgetHostImpl::GetRoutingID() const {
return routing_id_;
}
RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() const {
return view_.get();
}
viz::FrameSinkId RenderWidgetHostImpl::AllocateFrameSinkId(
bool is_guest_view_hack) {
// GuestViews have two RenderWidgetHostViews and so we need to make sure
// we don't have FrameSinkId collisions.
// The FrameSinkId generated here must not conflict with FrameSinkId allocated
// in viz::FrameSinkIdAllocator.
#if !defined(OS_ANDROID)
if (is_guest_view_hack) {
ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
return factory->GetContextFactoryPrivate()->AllocateFrameSinkId();
}
#endif
return viz::FrameSinkId(
base::checked_cast<uint32_t>(this->GetProcess()->GetID()),
base::checked_cast<uint32_t>(this->GetRoutingID()));
}
void RenderWidgetHostImpl::ResetSizeAndRepaintPendingFlags() {
resize_ack_pending_ = false;
if (repaint_ack_pending_) {
TRACE_EVENT_ASYNC_END0(
"renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
}
repaint_ack_pending_ = false;
if (old_resize_params_)
old_resize_params_->new_size = gfx::Size();
}
void RenderWidgetHostImpl::SendScreenRects() {
if (!renderer_initialized_ || 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 (!view_)
return;
last_view_screen_rect_ = view_->GetViewBounds();
last_window_screen_rect_ = view_->GetBoundsInRootWindow();
view_->WillSendScreenRects();
Send(new ViewMsg_UpdateScreenRects(
GetRoutingID(), last_view_screen_rect_, last_window_screen_rect_));
waiting_for_screen_rects_ack_ = true;
}
void RenderWidgetHostImpl::Init() {
DCHECK(process_->HasConnection());
renderer_initialized_ = true;
SendScreenRects();
WasResized();
if (owner_delegate_)
owner_delegate_->RenderWidgetDidInit();
}
void RenderWidgetHostImpl::InitForFrame() {
DCHECK(process_->HasConnection());
renderer_initialized_ = true;
}
void RenderWidgetHostImpl::ShutdownAndDestroyWidget(bool also_delete) {
RejectMouseLockOrUnlockIfNecessary();
if (process_->HasConnection()) {
// Tell the renderer object to close.
bool rv = Send(new ViewMsg_Close(routing_id_));
DCHECK(rv);
}
Destroy(also_delete);
}
bool RenderWidgetHostImpl::IsLoading() const {
return is_loading_;
}
bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
// Only process most messages if the RenderWidget is alive.
if (!renderer_initialized()) {
// SetNeedsBeginFrame messages are only sent by the renderer once and so
// should never be dropped.
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg)
IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames,
OnSetNeedsBeginFrames)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
if (owner_delegate_ && owner_delegate_->OnMessageReceived(msg))
return true;
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg)
IPC_MESSAGE_HANDLER(FrameHostMsg_RenderProcessGone, OnRenderProcessGone)
IPC_MESSAGE_HANDLER(FrameHostMsg_HittestData, OnHittestData)
IPC_MESSAGE_HANDLER(InputHostMsg_ImeCancelComposition,
OnImeCancelComposition)
IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
OnUpdateScreenRectsAck)
IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove)
IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText)
IPC_MESSAGE_HANDLER(ViewHostMsg_DidNotProduceFrame, DidNotProduceFrame)
IPC_MESSAGE_HANDLER(ViewHostMsg_ResizeOrRepaint_ACK, OnResizeOrRepaintACK)
IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
IPC_MESSAGE_HANDLER(ViewHostMsg_AutoscrollStart, OnAutoscrollStart)
IPC_MESSAGE_HANDLER(ViewHostMsg_AutoscrollFling, OnAutoscrollFling)
IPC_MESSAGE_HANDLER(ViewHostMsg_AutoscrollEnd, OnAutoscrollEnd)
IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
OnTextInputStateChanged)
IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnLockMouse)
IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnUnlockMouse)
IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDisambiguationPopup,
OnShowDisambiguationPopup)
IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged,
OnSelectionBoundsChanged)
IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged,
OnImeCompositionRangeChanged)
IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames, OnSetNeedsBeginFrames)
IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeTouched, OnFocusedNodeTouched)
IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnStartDragging)
IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor)
IPC_MESSAGE_HANDLER(ViewHostMsg_FrameSwapMessages,
OnFrameSwapMessagesReceived)
IPC_MESSAGE_HANDLER(ViewHostMsg_OnRenderFrameSubmitted,
OnRenderFrameMetadata)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
if (!handled && input_router_ && input_router_->OnMessageReceived(msg))
return true;
if (!handled && view_ && view_->OnMessageReceived(msg))
return true;
return handled;
}
bool RenderWidgetHostImpl::Send(IPC::Message* msg) {
DCHECK(IPC_MESSAGE_ID_CLASS(msg->type()) != InputMsgStart);
return process_->Send(msg);
}
void RenderWidgetHostImpl::SetIsLoading(bool is_loading) {
if (owner_delegate_)
owner_delegate_->RenderWidgetWillSetIsLoading(is_loading);
is_loading_ = is_loading;
if (view_)
view_->SetIsLoading(is_loading);
}
void RenderWidgetHostImpl::WasHidden() {
if (is_hidden_)
return;
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::WasHidden");
is_hidden_ = true;
// Don't bother reporting hung state when we aren't active.
StopHangMonitorTimeout();
// If we have a renderer, then inform it that we are being hidden so it can
// reduce its resource utilization.
Send(new ViewMsg_WasHidden(routing_id_));
// Tell the RenderProcessHost we were hidden.
process_->WidgetHidden();
bool is_visible = false;
NotificationService::current()->Notify(
NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
Source<RenderWidgetHost>(this),
Details<bool>(&is_visible));
}
void RenderWidgetHostImpl::WasShown(const ui::LatencyInfo& latency_info) {
if (!is_hidden_)
return;
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::WasShown");
is_hidden_ = false;
SendScreenRects();
RestartHangMonitorTimeoutIfNecessary();
// Always repaint on restore.
bool needs_repainting = true;
needs_repainting_on_restore_ = false;
Send(new ViewMsg_WasShown(routing_id_, needs_repainting, latency_info));
process_->WidgetRestored();
bool is_visible = true;
NotificationService::current()->Notify(
NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
Source<RenderWidgetHost>(this),
Details<bool>(&is_visible));
// It's possible for our size to be out of sync with the renderer. The
// following is one case that leads to this:
// 1. WasResized -> Send ViewMsg_Resize to render
// 2. WasResized -> do nothing as resize_ack_pending_ is true
// 3. WasHidden
// 4. OnResizeOrRepaintACK from (1) processed. Does NOT invoke WasResized as
// view is hidden. Now renderer/browser out of sync with what they think
// size is.
// By invoking WasResized the renderer is updated as necessary. WasResized
// does nothing if the sizes are already in sync.
//
// TODO: ideally ViewMsg_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
// WasResized is usually processed before the renderer is painted.
WasResized();
}
#if defined(OS_ANDROID)
void RenderWidgetHostImpl::SetImportance(ChildProcessImportance importance) {
if (importance_ == importance)
return;
ChildProcessImportance old = importance_;
importance_ = importance;
process_->UpdateWidgetImportance(old, importance_);
}
#endif
bool RenderWidgetHostImpl::GetResizeParams(ResizeParams* resize_params) {
*resize_params = ResizeParams();
GetScreenInfo(&resize_params->screen_info);
if (delegate_) {
resize_params->is_fullscreen_granted =
delegate_->IsFullscreenForCurrentTab();
resize_params->display_mode = delegate_->GetDisplayMode(this);
} else {
resize_params->is_fullscreen_granted = false;
resize_params->display_mode = blink::kWebDisplayModeBrowser;
}
if (view_) {
resize_params->new_size = view_->GetRequestedRendererSize();
// TODO(wjmaclean): Can we just get rid of physical_backing_size and just
// deal with it on the renderer side? It seems to always be
// ScaleToCeiledSize(new_size, device_scale_factor) ??
resize_params->physical_backing_size = view_->GetPhysicalBackingSize();
resize_params->top_controls_height = view_->GetTopControlsHeight();
resize_params->bottom_controls_height = view_->GetBottomControlsHeight();
if (IsUseZoomForDSFEnabled()) {
float device_scale = resize_params->screen_info.device_scale_factor;
resize_params->top_controls_height *= device_scale;
resize_params->bottom_controls_height *= device_scale;
}
resize_params->browser_controls_shrink_blink_size =
view_->DoBrowserControlsShrinkBlinkSize();
resize_params->visible_viewport_size = view_->GetVisibleViewportSize();
// 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())
resize_params->local_surface_id = local_surface_id;
}
const bool size_changed =
!old_resize_params_ ||
old_resize_params_->new_size != resize_params->new_size ||
(old_resize_params_->physical_backing_size.IsEmpty() &&
!resize_params->physical_backing_size.IsEmpty());
bool dirty =
size_changed ||
old_resize_params_->screen_info != resize_params->screen_info ||
old_resize_params_->physical_backing_size !=
resize_params->physical_backing_size ||
old_resize_params_->is_fullscreen_granted !=
resize_params->is_fullscreen_granted ||
old_resize_params_->display_mode != resize_params->display_mode ||
old_resize_params_->top_controls_height !=
resize_params->top_controls_height ||
old_resize_params_->browser_controls_shrink_blink_size !=
resize_params->browser_controls_shrink_blink_size ||
old_resize_params_->bottom_controls_height !=
resize_params->bottom_controls_height ||
old_resize_params_->visible_viewport_size !=
resize_params->visible_viewport_size ||
(enable_surface_synchronization_ &&
old_resize_params_->local_surface_id != resize_params->local_surface_id);
// We don't expect to receive an ACK when the requested size or the physical
// backing size is empty, or when the main viewport size didn't change.
resize_params->needs_resize_ack =
g_check_for_pending_resize_ack && !resize_params->new_size.IsEmpty() &&
!resize_params->physical_backing_size.IsEmpty() && size_changed &&
(!enable_surface_synchronization_ ||
(resize_params->local_surface_id.has_value() &&
resize_params->local_surface_id->is_valid()));
return dirty;
}
void RenderWidgetHostImpl::SetInitialRenderSizeParams(
const ResizeParams& resize_params) {
resize_ack_pending_ = resize_params.needs_resize_ack;
old_resize_params_ = std::make_unique<ResizeParams>(resize_params);
}
void RenderWidgetHostImpl::WasResized() {
WasResized(false);
}
void RenderWidgetHostImpl::WasResized(bool scroll_focused_node_into_view) {
// Skip if the |delegate_| has already been detached because
// it's web contents is being deleted.
if (resize_ack_pending_ || !process_->HasConnection() || !view_ ||
!renderer_initialized_ || auto_resize_enabled_ || !delegate_) {
return;
}
std::unique_ptr<ResizeParams> params(new ResizeParams);
if (!GetResizeParams(params.get()))
return;
params->scroll_focused_node_into_view = scroll_focused_node_into_view;
bool width_changed =
!old_resize_params_ ||
old_resize_params_->new_size.width() != params->new_size.width();
if (Send(new ViewMsg_Resize(routing_id_, *params))) {
resize_ack_pending_ = params->needs_resize_ack;
old_resize_params_.swap(params);
}
if (delegate_)
delegate_->RenderWidgetWasResized(this, width_changed);
}
void RenderWidgetHostImpl::GotFocus() {
Focus();
if (owner_delegate_)
owner_delegate_->RenderWidgetGotFocus();
if (delegate_)
delegate_->RenderWidgetGotFocus(this);
}
void RenderWidgetHostImpl::LostFocus() {
Blur();
if (owner_delegate_)
owner_delegate_->RenderWidgetLostFocus();
if (delegate_)
delegate_->RenderWidgetLostFocus(this);
}
void RenderWidgetHostImpl::Focus() {
RenderWidgetHostImpl* focused_widget =
delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr;
if (!focused_widget)
focused_widget = this;
focused_widget->SetPageFocus(true);
}
void RenderWidgetHostImpl::Blur() {
RenderWidgetHostImpl* focused_widget =
delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr;
if (!focused_widget)
focused_widget = this;
focused_widget->SetPageFocus(false);
}
void RenderWidgetHostImpl::SetPageFocus(bool focused) {
is_focused_ = focused;
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 (IsMouseLocked())
view_->UnlockMouse();
if (touch_emulator_)
touch_emulator_->CancelTouch();
}
GetWidgetInputHandler()->SetFocus(focused);
// Also send page-level focus state to other SiteInstances involved in
// rendering the current FrameTree.
if (RenderViewHost::From(this) && delegate_)
delegate_->ReplicatePageFocus(focused);
}
void RenderWidgetHostImpl::LostCapture() {
if (touch_emulator_)
touch_emulator_->CancelTouch();
GetWidgetInputHandler()->MouseCaptureLost();
if (delegate_)
delegate_->LostCapture(this);
}
void RenderWidgetHostImpl::SetActive(bool active) {
Send(new ViewMsg_SetActive(routing_id_, active));
}
void RenderWidgetHostImpl::LostMouseLock() {
if (delegate_)
delegate_->LostMouseLock(this);
}
void RenderWidgetHostImpl::SendMouseLockLost() {
Send(new ViewMsg_MouseLockLost(routing_id_));
}
void RenderWidgetHostImpl::ViewDestroyed() {
RejectMouseLockOrUnlockIfNecessary();
// TODO(evanm): tracking this may no longer be necessary;
// eliminate this function if so.
SetView(nullptr);
}
#if defined(OS_MACOSX)
void RenderWidgetHostImpl::PauseForPendingResizeOrRepaints() {
TRACE_EVENT0("browser",
"RenderWidgetHostImpl::PauseForPendingResizeOrRepaints");
if (!CanPauseForPendingResizeOrRepaints())
return;
WaitForSurface();
}
bool RenderWidgetHostImpl::CanPauseForPendingResizeOrRepaints() {
// Do not pause if the view is hidden.
if (is_hidden())
return false;
// Do not pause if there is not a paint or resize already coming.
if (!repaint_ack_pending_ && !resize_ack_pending_)
return false;
if (!renderer_compositor_frame_sink_.is_bound())
return false;
return true;
}
void RenderWidgetHostImpl::WaitForSurface() {
// How long to (synchronously) wait for the renderer to respond with a
// new frame when our current frame doesn't exist or is the wrong size.
// This timeout impacts the "choppiness" of our window resize.
const int kPaintMsgTimeoutMS = 167;
if (!view_)
return;
// The view_size will be current_size_ for auto-sized views and otherwise the
// size of the view_. (For auto-sized views, current_size_ is updated during
// ResizeACK messages.)
gfx::Size view_size = current_size_;
if (!auto_resize_enabled_) {
// Get the desired size from the current view bounds.
gfx::Rect view_rect = view_->GetViewBounds();
if (view_rect.IsEmpty())
return;
view_size = view_rect.size();
}
TRACE_EVENT2("renderer_host",
"RenderWidgetHostImpl::WaitForSurface",
"width",
base::IntToString(view_size.width()),
"height",
base::IntToString(view_size.height()));
// We should not be asked to paint while we are hidden. If we are hidden,
// then it means that our consumer failed to call WasShown.
DCHECK(!is_hidden_) << "WaitForSurface called while hidden!";
// We should never be called recursively; this can theoretically lead to
// infinite recursion and almost certainly leads to lower performance.
DCHECK(!in_get_backing_store_) << "WaitForSurface called recursively!";
base::AutoReset<bool> auto_reset_in_get_backing_store(
&in_get_backing_store_, true);
// We might have a surface that we can use already.
if (view_->HasAcceleratedSurface(view_size))
return;
// Request that the renderer produce a frame of the right size, if it
// hasn't been requested already.
if (!repaint_ack_pending_ && !resize_ack_pending_) {
repaint_start_time_ = TimeTicks::Now();
repaint_ack_pending_ = true;
TRACE_EVENT_ASYNC_BEGIN0(
"renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
Send(new ViewMsg_Repaint(routing_id_, view_size));
}
// Pump a nested run loop until we time out or get a frame of the right
// size.
TimeTicks start_time = TimeTicks::Now();
TimeDelta time_left = TimeDelta::FromMilliseconds(kPaintMsgTimeoutMS);
TimeTicks timeout_time = start_time + time_left;
while (1) {
TRACE_EVENT0("renderer_host", "WaitForSurface::WaitForSingleTaskToRun");
if (ui::WindowResizeHelperMac::Get()->WaitForSingleTaskToRun(time_left)) {
// For auto-resized views, current_size_ determines the view_size and it
// may have changed during the handling of an ResizeACK message.
if (auto_resize_enabled_)
view_size = current_size_;
if (view_->HasAcceleratedSurface(view_size))
break;
}
time_left = timeout_time - TimeTicks::Now();
if (time_left <= TimeDelta::FromSeconds(0)) {
TRACE_EVENT0("renderer_host", "WaitForSurface::Timeout");
break;
}
}
}
#endif
bool RenderWidgetHostImpl::ScheduleComposite() {
if (is_hidden_ || current_size_.IsEmpty() || repaint_ack_pending_ ||
resize_ack_pending_) {
return false;
}
// Send out a request to the renderer to paint the view if required.
repaint_start_time_ = TimeTicks::Now();
repaint_ack_pending_ = true;
TRACE_EVENT_ASYNC_BEGIN0(
"renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
Send(new ViewMsg_Repaint(routing_id_, current_size_));
return true;
}
void RenderWidgetHostImpl::ProcessIgnoreInputEventsChanged(
bool ignore_input_events) {
if (ignore_input_events)
StopHangMonitorTimeout();
else
RestartHangMonitorTimeoutIfNecessary();
}
void RenderWidgetHostImpl::StartHangMonitorTimeout(base::TimeDelta delay) {
if (!hang_monitor_timeout_)
return;
hang_monitor_timeout_->Start(delay);
}
void RenderWidgetHostImpl::RestartHangMonitorTimeoutIfNecessary() {
if (hang_monitor_timeout_ && in_flight_event_count_ > 0 && !is_hidden_)
hang_monitor_timeout_->Restart(hung_renderer_delay_);
}
bool RenderWidgetHostImpl::IsCurrentlyUnresponsive() const {
return is_unresponsive_;
}
void RenderWidgetHostImpl::StopHangMonitorTimeout() {
if (hang_monitor_timeout_)
hang_monitor_timeout_->Stop();
RendererIsResponsive();
}
void RenderWidgetHostImpl::StartNewContentRenderingTimeout(
uint32_t next_source_id) {
current_content_source_id_ = next_source_id;
if (!new_content_rendering_timeout_)
return;
// It is possible for a compositor frame to arrive before the browser is
// notified about the page being committed, in which case no timer is
// necessary.
if (last_received_content_source_id_ >= current_content_source_id_)
return;
new_content_rendering_timeout_->Start(new_content_rendering_delay_);
}
void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
// VrController moves the pointer during the scrolling and fling. To ensure
// that scroll performance is not affected we drop mouse events during
// scroll/fling.
if (GetView()->IsInVR() &&
(is_in_gesture_scroll_[blink::kWebGestureDeviceTouchpad] ||
is_in_touchpad_gesture_fling_)) {
return;
}
ForwardMouseEventWithLatencyInfo(mouse_event,
ui::LatencyInfo(ui::SourceEventType::MOUSE));
if (owner_delegate_)
owner_delegate_->RenderWidgetDidForwardMouseEvent(mouse_event);
}
void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
const blink::WebMouseEvent& mouse_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent", "x",
mouse_event.PositionInWidget().x, "y",
mouse_event.PositionInWidget().y);
DCHECK_GE(mouse_event.GetType(), blink::WebInputEvent::kMouseTypeFirst);
DCHECK_LE(mouse_event.GetType(), blink::WebInputEvent::kMouseTypeLast);
for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) {
if (mouse_event_callbacks_[i].Run(mouse_event))
return;
}
if (ShouldDropInputEvents())
return;
if (touch_emulator_ && touch_emulator_->HandleMouseEvent(mouse_event))
return;
MouseEventWithLatencyInfo mouse_with_latency(mouse_event, latency);
DispatchInputEventWithLatencyInfo(mouse_event, &mouse_with_latency.latency);
input_router_->SendMouseEvent(mouse_with_latency);
}
void RenderWidgetHostImpl::ForwardWheelEvent(
const WebMouseWheelEvent& wheel_event) {
ForwardWheelEventWithLatencyInfo(wheel_event,
ui::LatencyInfo(ui::SourceEventType::WHEEL));
}
void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo(
const blink::WebMouseWheelEvent& wheel_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardWheelEvent", "dx",
wheel_event.delta_x, "dy", wheel_event.delta_y);
if (ShouldDropInputEvents())
return;
if (touch_emulator_ && touch_emulator_->HandleMouseWheelEvent(wheel_event))
return;
MouseWheelEventWithLatencyInfo wheel_with_latency(wheel_event, latency);
DispatchInputEventWithLatencyInfo(wheel_event, &wheel_with_latency.latency);
input_router_->SendWheelEvent(wheel_with_latency);
}
void RenderWidgetHostImpl::ForwardEmulatedGestureEvent(
const blink::WebGestureEvent& gesture_event) {
ForwardGestureEvent(gesture_event);
}
void RenderWidgetHostImpl::ForwardGestureEvent(
const blink::WebGestureEvent& gesture_event) {
ForwardGestureEventWithLatencyInfo(
gesture_event,
ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent(
gesture_event));
}
void RenderWidgetHostImpl::ForwardGestureEventWithLatencyInfo(
const blink::WebGestureEvent& gesture_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT1("input", "RenderWidgetHostImpl::ForwardGestureEvent", "type",
WebInputEvent::GetName(gesture_event.GetType()));
// Early out if necessary, prior to performing latency logic.
if (ShouldDropInputEvents())
return;
bool scroll_update_needs_wrapping = false;
if (gesture_event.GetType() == blink::WebInputEvent::kGestureScrollBegin) {
DCHECK(!is_in_gesture_scroll_[gesture_event.source_device]);
is_in_gesture_scroll_[gesture_event.source_device] = true;
} else if (gesture_event.GetType() ==
blink::WebInputEvent::kGestureScrollEnd) {
DCHECK(is_in_gesture_scroll_[gesture_event.source_device]);
is_in_gesture_scroll_[gesture_event.source_device] = false;
is_in_touchpad_gesture_fling_ = false;
} else if (gesture_event.GetType() ==
blink::WebInputEvent::kGestureFlingStart) {
if (gesture_event.source_device ==
blink::WebGestureDevice::kWebGestureDeviceTouchpad) {
// TODO(sahel): Remove the VR specific case when motion events are used
// for Android VR event processing and VR touchpad scrolling is handled by
// sending wheel events rather than directly injecting Gesture Scroll
// Events. https://crbug.com/797322
if (GetView()->IsInVR()) {
// Regardless of the state of the wheel scroll latching
// WebContentsEventForwarder doesn't inject any GSE events before GFS.
DCHECK(is_in_gesture_scroll_[gesture_event.source_device]);
// Reset the is_in_gesture_scroll since while scrolling in Android VR
// the first wheel event sent by the FlingController will cause a GSB
// generation in MouseWheelEventQueue. This is because GSU events before
// the GFS are directly injected to RWHI rather than being generated
// from wheel events in MouseWheelEventQueue.
is_in_gesture_scroll_[gesture_event.source_device] = false;
} else if (GetView()->wheel_scroll_latching_enabled()) {
// When wheel scroll latching is enabled, no GSE is sent before GFS, so
// is_in_gesture_scroll must be true.
DCHECK(is_in_gesture_scroll_[gesture_event.source_device]);
// The FlingController handles GFS with touchpad source and sends wheel
// events to progress the fling, the wheel events will get processed by
// the MouseWheelEventQueue and GSU events with inertial phase will be
// sent to the renderer. is_in_gesture_scroll must stay true till the
// fling progress is finished. Then the FlingController will generate
// and send a wheel event with phaseEnded. MouseWheelEventQueue will
// process the wheel event to generate and send a GSE which shows the
// end of a scroll sequence.
} else { // !GetView()->IsInVR() &&
// !GetView()->wheel_scroll_latching_enabled()
// When wheel scroll latching is disabled a GSE is sent before a GFS.
// The GSE has already finished the scroll sequence.
DCHECK(!is_in_gesture_scroll_[gesture_event.source_device]);
}
is_in_touchpad_gesture_fling_ = true;
} else { // gesture_event.source_device !=
// blink::WebGestureDevice::kWebGestureDeviceTouchpad
DCHECK(is_in_gesture_scroll_[gesture_event.source_device]);
is_in_gesture_scroll_[gesture_event.source_device] = false;
}
}
// TODO(wjmaclean) Remove the code for supporting resending gesture events
// when WebView transitions to OOPIF and BrowserPlugin is removed.
// http://crbug.com/533069
scroll_update_needs_wrapping =
gesture_event.GetType() == blink::WebInputEvent::kGestureScrollUpdate &&
gesture_event.resending_plugin_id != -1 &&
!is_in_gesture_scroll_[gesture_event.source_device];
// TODO(crbug.com/544782): Fix WebViewGuestScrollTest.TestGuestWheelScrolls-
// Bubble to test the resending logic of gesture events.
if (scroll_update_needs_wrapping) {
ForwardGestureEventWithLatencyInfo(
CreateScrollBeginForWrapping(gesture_event),
ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent(
gesture_event));
}
// Delegate must be non-null, due to |ShouldDropInputEvents()| test.
if (delegate_->PreHandleGestureEvent(gesture_event))
return;
GestureEventWithLatencyInfo gesture_with_latency(gesture_event, latency);
DispatchInputEventWithLatencyInfo(gesture_event,
&gesture_with_latency.latency);
input_router_->SendGestureEvent(gesture_with_latency);
if (scroll_update_needs_wrapping) {
ForwardGestureEventWithLatencyInfo(
CreateScrollEndForWrapping(gesture_event),
ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent(
gesture_event));
}
}
void RenderWidgetHostImpl::ForwardEmulatedTouchEvent(
const blink::WebTouchEvent& touch_event) {
TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardEmulatedTouchEvent");
ui::LatencyInfo latency_info(ui::SourceEventType::TOUCH);
TouchEventWithLatencyInfo touch_with_latency(touch_event, latency_info);
DispatchInputEventWithLatencyInfo(touch_event, &touch_with_latency.latency);
input_router_->SendTouchEvent(touch_with_latency);
}
void RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(
const blink::WebTouchEvent& touch_event,
const ui::LatencyInfo& latency) {
TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardTouchEvent");
// Always forward TouchEvents for touch stream consistency. They will be
// ignored if appropriate in FilterInputEvent().
TouchEventWithLatencyInfo touch_with_latency(touch_event, latency);
if (touch_emulator_ &&
touch_emulator_->HandleTouchEvent(touch_with_latency.event)) {
if (view_) {
view_->ProcessAckedTouchEvent(
touch_with_latency, INPUT_EVENT_ACK_STATE_CONSUMED);
}
return;
}
DispatchInputEventWithLatencyInfo(touch_event, &touch_with_latency.latency);
input_router_->SendTouchEvent(touch_with_latency);
}
void RenderWidgetHostImpl::ForwardKeyboardEvent(
const NativeWebKeyboardEvent& key_event) {
ui::LatencyInfo latency_info;
if (key_event.GetType() == WebInputEvent::kRawKeyDown ||
key_event.GetType() == WebInputEvent::kChar) {
latency_info.set_source_event_type(ui::SourceEventType::KEY_PRESS);
}
ForwardKeyboardEventWithLatencyInfo(key_event, latency_info);
}
void RenderWidgetHostImpl::ForwardKeyboardEventWithLatencyInfo(
const NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency) {
ForwardKeyboardEventWithCommands(key_event, latency, nullptr, nullptr);
}
void RenderWidgetHostImpl::ForwardKeyboardEventWithCommands(
const NativeWebKeyboardEvent& key_event,
const ui::LatencyInfo& latency,
const std::vector<EditCommand>* commands,
bool* update_event) {
TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent");
if (owner_delegate_ &&
!owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) {
return;
}
if (ShouldDropInputEvents())
return;
if (!process_->HasConnection())
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::kRawKeyDown)
suppress_events_until_keydown_ = true;
return;
}
// Double check the type to make sure caller hasn't sent us nonsense that
// will mess up our key queue.
if (!WebInputEvent::IsKeyboardEventType(key_event.GetType()))
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.
if (key_event.GetType() == WebKeyboardEvent::kKeyUp ||
key_event.GetType() == WebKeyboardEvent::kChar)
return;
DCHECK(key_event.GetType() == WebKeyboardEvent::kRawKeyDown ||
key_event.GetType() == WebKeyboardEvent::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_in_browser) {
// 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::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::kRawKeyDown)
suppress_events_until_keydown_ = false;
}
if (touch_emulator_ && touch_emulator_->HandleKeyboardEvent(key_event))
return;
NativeWebKeyboardEventWithLatencyInfo key_event_with_latency(key_event,
latency);
key_event_with_latency.event.is_browser_shortcut = is_shortcut;
DispatchInputEventWithLatencyInfo(key_event, &key_event_with_latency.latency);
// TODO(foolip): |InputRouter::SendKeyboardEvent()| may filter events, in
// which the commands will be treated as belonging to the next key event.
// InputMsg_SetEditCommandsForNextKeyEvent should only be sent if
// InputMsg_HandleInputEvent is, but has to be sent first.
// https://crbug.com/684298
if (commands && !commands->empty()) {
GetWidgetInputHandler()->SetEditCommandsForNextKeyEvent(*commands);
}
input_router_->SendKeyboardEvent(key_event_with_latency);
}
void RenderWidgetHostImpl::QueueSyntheticGesture(
std::unique_ptr<SyntheticGesture> synthetic_gesture,
base::OnceCallback<void(SyntheticGesture::Result)> on_complete) {
if (!synthetic_gesture_controller_ && view_) {
synthetic_gesture_controller_ =
std::make_unique<SyntheticGestureController>(
this, view_->CreateSyntheticGestureTarget());
}
if (synthetic_gesture_controller_) {
synthetic_gesture_controller_->QueueSyntheticGesture(
std::move(synthetic_gesture), std::move(on_complete));
}
}
void RenderWidgetHostImpl::SetCursor(const WebCursor& cursor) {
if (!view_)
return;
view_->UpdateCursor(cursor);
}
void RenderWidgetHostImpl::ShowContextMenuAtPoint(
const gfx::Point& point,
const ui::MenuSourceType source_type) {
Send(new ViewMsg_ShowContextMenu(GetRoutingID(), source_type, point));
}
void RenderWidgetHostImpl::SendCursorVisibilityState(bool is_visible) {
GetWidgetInputHandler()->CursorVisibilityChanged(is_visible);
}
int64_t RenderWidgetHostImpl::GetLatencyComponentId() const {
return latency_tracker_.latency_component_id();
}
// static
void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() {
g_check_for_pending_resize_ack = false;
}
void RenderWidgetHostImpl::AddKeyPressEventCallback(
const KeyPressEventCallback& callback) {
key_press_event_callbacks_.push_back(callback);
}
void RenderWidgetHostImpl::RemoveKeyPressEventCallback(
const KeyPressEventCallback& callback) {
for (size_t i = 0; i < key_press_event_callbacks_.size(); ++i) {
if (key_press_event_callbacks_[i].Equals(callback)) {
key_press_event_callbacks_.erase(
key_press_event_callbacks_.begin() + i);
return;
}
}
}
void RenderWidgetHostImpl::AddMouseEventCallback(
const MouseEventCallback& callback) {
mouse_event_callbacks_.push_back(callback);
}
void RenderWidgetHostImpl::RemoveMouseEventCallback(
const MouseEventCallback& callback) {
for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) {
if (mouse_event_callbacks_[i].Equals(callback)) {
mouse_event_callbacks_.erase(mouse_event_callbacks_.begin() + i);
return;
}
}
}
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::GetScreenInfo(ScreenInfo* result) {
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetScreenInfo");
if (view_) {
view_->GetScreenInfo(result);
} else {
DCHECK(delegate_);
delegate_->GetScreenInfo(result);
}
// TODO(sievers): find a way to make this done another way so the method
// can be const.
if (IsUseZoomForDSFEnabled())
input_router_->SetDeviceScaleFactor(result->device_scale_factor);
}
void RenderWidgetHostImpl::DragTargetDragEnter(
const DropData& drop_data,
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
WebDragOperationsMask operations_allowed,
int key_modifiers) {
DragTargetDragEnterWithMetaData(DropDataToMetaData(drop_data), client_pt,
screen_pt, operations_allowed, key_modifiers);
}
void RenderWidgetHostImpl::DragTargetDragEnterWithMetaData(
const std::vector<DropData::Metadata>& metadata,
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
WebDragOperationsMask operations_allowed,
int key_modifiers) {
Send(new DragMsg_TargetDragEnter(GetRoutingID(), metadata, client_pt,
screen_pt, operations_allowed,
key_modifiers));
}
void RenderWidgetHostImpl::DragTargetDragOver(
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
WebDragOperationsMask operations_allowed,
int key_modifiers) {
Send(new DragMsg_TargetDragOver(GetRoutingID(), client_pt, screen_pt,
operations_allowed, key_modifiers));
}
void RenderWidgetHostImpl::DragTargetDragLeave(
const gfx::PointF& client_point,
const gfx::PointF& screen_point) {
Send(new DragMsg_TargetDragLeave(GetRoutingID(), client_point, screen_point));
}
void RenderWidgetHostImpl::DragTargetDrop(const DropData& drop_data,
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
int key_modifiers) {
DropData drop_data_with_permissions(drop_data);
GrantFileAccessFromDropData(&drop_data_with_permissions);
Send(new DragMsg_TargetDrop(GetRoutingID(), drop_data_with_permissions,
client_pt, screen_pt, key_modifiers));
}
void RenderWidgetHostImpl::DragSourceEndedAt(
const gfx::PointF& client_pt,
const gfx::PointF& screen_pt,
blink::WebDragOperation operation) {
Send(new DragMsg_SourceEnded(GetRoutingID(),
client_pt,
screen_pt,
operation));
}
void RenderWidgetHostImpl::DragSourceSystemDragEnded() {
Send(new DragMsg_SourceSystemDragEnded(GetRoutingID()));
}
void RenderWidgetHostImpl::FilterDropData(DropData* drop_data) {
#if DCHECK_IS_ON()
drop_data->view_id = GetRoutingID();
#endif // DCHECK_IS_ON()
GetProcess()->FilterURL(true, &drop_data->url);
if (drop_data->did_originate_from_renderer) {
drop_data->filenames.clear();
}
}
void RenderWidgetHostImpl::SetCursor(const CursorInfo& cursor_info) {
WebCursor cursor;
cursor.InitFromCursorInfo(cursor_info);
SetCursor(cursor);
}
mojom::WidgetInputHandler* RenderWidgetHostImpl::GetWidgetInputHandler() {
if (associated_widget_input_handler_)
return associated_widget_input_handler_.get();
if (widget_input_handler_)
return widget_input_handler_.get();
return legacy_widget_input_handler_.get();
}
void RenderWidgetHostImpl::NotifyScreenInfoChanged() {
if (delegate_)
delegate_->ScreenInfoChanged();
// 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).
WasResized();
if (touch_emulator_) {
touch_emulator_->SetDeviceScaleFactor(
view_.get() ? content::GetScaleFactorForView(view_.get()) : 1.0f);
}
}
void RenderWidgetHostImpl::GetSnapshotFromBrowser(
const GetSnapshotFromBrowserCallback& callback,
bool from_surface) {
int id = next_browser_snapshot_id_++;
if (from_surface) {
pending_surface_browser_snapshots_.insert(std::make_pair(id, callback));
ui::LatencyInfo latency_info;
latency_info.AddLatencyNumber(ui::BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT,
0, id);
Send(new ViewMsg_ForceRedraw(GetRoutingID(), latency_info));
return;
}
#if defined(OS_MACOSX)
// MacOS version of underlying GrabViewSnapshot() blocks while
// display/GPU are in a power-saving mode, so make sure display
// does not go to sleep for the duration of reading a snapshot.
if (pending_browser_snapshots_.empty())
GetWakeLock()->RequestWakeLock();
#endif
pending_browser_snapshots_.insert(std::make_pair(id, callback));
ui::LatencyInfo latency_info;
latency_info.AddLatencyNumber(ui::BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT, 0,
id);
Send(new ViewMsg_ForceRedraw(GetRoutingID(), latency_info));
}
void RenderWidgetHostImpl::SelectionChanged(const base::string16& text,
uint32_t offset,
const gfx::Range& range) {
if (view_)
view_->SelectionChanged(text, static_cast<size_t>(offset), range);
}
void RenderWidgetHostImpl::OnSelectionBoundsChanged(
const ViewHostMsg_SelectionBounds_Params& params) {
if (view_)
view_->SelectionBoundsChanged(params);
}
void RenderWidgetHostImpl::OnSetNeedsBeginFrames(bool needs_begin_frames) {
if (needs_begin_frames_ == needs_begin_frames)
return;
needs_begin_frames_ = needs_begin_frames;
if (view_)
view_->SetNeedsBeginFrames(needs_begin_frames);
}
void RenderWidgetHostImpl::OnFocusedNodeTouched(bool editable) {
if (delegate_)
delegate_->FocusedNodeTouched(editable);
}
void RenderWidgetHostImpl::OnStartDragging(
const DropData& drop_data,
blink::WebDragOperationsMask drag_operations_mask,
const SkBitmap& bitmap,
const gfx::Vector2d& bitmap_offset_in_dip,
const DragEventSourceInfo& event_info) {
RenderViewHostDelegateView* view = delegate_->GetDelegateView();
if (!view || !GetView()) {
// Need to clear drag and drop state in blink.
DragSourceSystemDragEnded();
return;
}
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()->GetID(), 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 (size_t i = 0; i < drop_data.file_system_files.size(); ++i) {
storage::FileSystemURL file_system_url =
file_system_context->CrackURL(drop_data.file_system_files[i].url);
if (policy->CanReadFileSystemFile(GetProcess()->GetID(), file_system_url))
filtered_data.file_system_files.push_back(drop_data.file_system_files[i]);
}
float scale = GetScaleFactorForView(GetView());
gfx::ImageSkia image(gfx::ImageSkiaRep(bitmap, scale));
view->StartDragging(filtered_data, drag_operations_mask, image,
bitmap_offset_in_dip, event_info, this);
}
void RenderWidgetHostImpl::OnUpdateDragCursor(WebDragOperation current_op) {
if (delegate_ && delegate_->OnUpdateDragCursor())
return;
RenderViewHostDelegateView* view = delegate_->GetDelegateView();
if (view)
view->UpdateDragCursor(current_op);
}
void RenderWidgetHostImpl::OnFrameSwapMessagesReceived(
uint32_t frame_token,
std::vector<IPC::Message> messages) {
// Zero token is invalid.
if (!frame_token) {
bad_message::ReceivedBadMessage(GetProcess(),
bad_message::RWH_INVALID_FRAME_TOKEN);
return;
}
// Frame tokens always increase.
if (queued_messages_.size() && frame_token <= queued_messages_.back().first) {
bad_message::ReceivedBadMessage(GetProcess(),
bad_message::RWH_INVALID_FRAME_TOKEN);
return;
}
if (frame_token <= last_received_frame_token_) {
ProcessSwapMessages(std::move(messages));
return;
}
queued_messages_.push(std::make_pair(frame_token, std::move(messages)));
}
void RenderWidgetHostImpl::RendererExited(base::TerminationStatus status,
int exit_code) {
if (!renderer_initialized_)
return;
// Clear this flag so that we can ask the next renderer for composition
// updates.
monitoring_composition_info_ = false;
// Clearing this flag causes us to re-create the renderer when recovering
// from a crashed renderer.
renderer_initialized_ = false;
waiting_for_screen_rects_ack_ = false;
// Must reset these to ensure that keyboard events work with a new renderer.
suppress_events_until_keydown_ = false;
// Reset some fields in preparation for recovering from a crash.
ResetSizeAndRepaintPendingFlags();
current_size_.SetSize(0, 0);
// 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_) {
process_->WidgetHidden();
is_hidden_ = true;
}
// Reset this to ensure the hung renderer mechanism is working properly.
in_flight_event_count_ = 0;
StopHangMonitorTimeout();
if (view_) {
view_->RenderProcessGone(status, exit_code);
view_.reset(); // The View should be deleted by RenderProcessGone.
}
// Reconstruct the input router to ensure that it has fresh state for a new
// renderer. 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.)
SetupInputRouter();
synthetic_gesture_controller_.reset();
last_received_frame_token_ = 0;
auto doomed = std::move(queued_messages_);
}
void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) {
text_direction_updated_ = true;
text_direction_ = direction;
}
void RenderWidgetHostImpl::CancelUpdateTextDirection() {
if (text_direction_updated_)
text_direction_canceled_ = true;
}
void RenderWidgetHostImpl::NotifyTextDirection() {
if (text_direction_updated_) {
if (!text_direction_canceled_)
Send(new ViewMsg_SetTextDirection(GetRoutingID(), text_direction_));
text_direction_updated_ = false;
text_direction_canceled_ = false;
}
}
void RenderWidgetHostImpl::ImeSetComposition(
const base::string16& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& replacement_range,
int selection_start,
int selection_end) {
GetWidgetInputHandler()->ImeSetComposition(
text, ime_text_spans, replacement_range, selection_start, selection_end);
}
void RenderWidgetHostImpl::ImeCommitText(
const base::string16& text,
const std::vector<ui::ImeTextSpan>& ime_text_spans,
const gfx::Range& replacement_range,
int relative_cursor_pos) {
GetWidgetInputHandler()->ImeCommitText(
text, ime_text_spans, replacement_range, relative_cursor_pos);
}
void RenderWidgetHostImpl::ImeFinishComposingText(bool keep_selection) {
GetWidgetInputHandler()->ImeFinishComposingText(keep_selection);
}
void RenderWidgetHostImpl::ImeCancelComposition() {
GetWidgetInputHandler()->ImeSetComposition(base::string16(),
std::vector<ui::ImeTextSpan>(),
gfx::Range::InvalidRange(), 0, 0);
}
void RenderWidgetHostImpl::RejectMouseLockOrUnlockIfNecessary() {
DCHECK(!pending_mouse_lock_request_ || !IsMouseLocked());
if (pending_mouse_lock_request_) {
pending_mouse_lock_request_ = false;
Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
} else if (IsMouseLocked()) {
view_->UnlockMouse();
}
}
bool RenderWidgetHostImpl::IsMouseLocked() const {
return view_ ? view_->IsMouseLocked() : false;
}
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) {
DCHECK(!destroyed_);
destroyed_ = true;
NotificationService::current()->Notify(
NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED, Source<RenderWidgetHost>(this),
NotificationService::NoDetails());
// 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();
}
process_->GetSharedBitmapAllocationNotifier()->RemoveObserver(this);
process_->RemoveWidget(this);
process_->RemoveRoute(routing_id_);
g_routing_id_widget_map.Get().erase(
RenderWidgetHostID(process_->GetID(), routing_id_));
if (delegate_)
delegate_->RenderWidgetDeleted(this);
if (also_delete) {
CHECK(!owner_delegate_);
delete this;
}
}
void RenderWidgetHostImpl::RendererIsUnresponsive() {
NotificationService::current()->Notify(
NOTIFICATION_RENDER_WIDGET_HOST_HANG,
Source<RenderWidgetHost>(this),
NotificationService::NoDetails());
is_unresponsive_ = true;
if (delegate_)
delegate_->RendererUnresponsive(this);
// 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::ClearDisplayedGraphics() {
NotifyNewContentRenderingTimeoutForTesting();
if (view_)
view_->ClearCompositorFrame();
}
void RenderWidgetHostImpl::OnGpuSwapBuffersCompletedInternal(
const ui::LatencyInfo& latency_info) {
ui::LatencyInfo::LatencyComponent window_snapshot_component;
if (latency_info.FindLatency(ui::BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT,
GetLatencyComponentId(),
&window_snapshot_component)) {
int sequence_number =
static_cast<int>(window_snapshot_component.sequence_number);
#if defined(OS_MACOSX) || defined(OS_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::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
FROM_HERE,
base::Bind(&RenderWidgetHostImpl::WindowSnapshotReachedScreen,
weak_factory_.GetWeakPtr(), sequence_number),
base::TimeDelta::FromSecondsD(1. / 6));
#else
WindowSnapshotReachedScreen(sequence_number);
#endif
}
latency_tracker_.OnGpuSwapBuffersCompleted(latency_info);
}
void RenderWidgetHostImpl::OnRenderProcessGone(int status, int exit_code) {
// RenderFrameHost owns a RenderWidgetHost when it needs one, in which case
// it handles destruction.
if (!owned_by_render_frame_host_) {
// TODO(evanm): This synchronously ends up calling "delete this".
// Is that really what we want in response to this message? I'm matching
// previous behavior of the code here.
Destroy(true);
} else {
RendererExited(static_cast<base::TerminationStatus>(status), exit_code);
}
}
void RenderWidgetHostImpl::OnHittestData(
const FrameHostMsg_HittestData_Params& params) {
if (delegate_)
delegate_->GetInputEventRouter()->OnHittestData(params);
}
void RenderWidgetHostImpl::OnClose() {
ShutdownAndDestroyWidget(true);
}
void RenderWidgetHostImpl::OnSetTooltipText(
const base::string16& tooltip_text,
WebTextDirection text_direction_hint) {
if (!GetView())
return;
// 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.
base::string16 wrapped_tooltip_text = tooltip_text;
if (!tooltip_text.empty()) {
if (text_direction_hint == blink::kWebTextDirectionLeftToRight) {
// Force the tooltip to have LTR directionality.
wrapped_tooltip_text =
base::i18n::GetDisplayStringInLTRDirectionality(wrapped_tooltip_text);
} else if (text_direction_hint == blink::kWebTextDirectionRightToLeft &&
!base::i18n::IsRTL()) {
// Force the tooltip to have RTL directionality.
base::i18n::WrapStringWithRTLFormatting(&wrapped_tooltip_text);
}
}
view_->SetTooltipText(wrapped_tooltip_text);
}
void RenderWidgetHostImpl::OnUpdateScreenRectsAck() {
waiting_for_screen_rects_ack_ = false;
if (!view_)
return;
if (view_->GetViewBounds() == last_view_screen_rect_ &&
view_->GetBoundsInRootWindow() == last_window_screen_rect_) {
return;
}
SendScreenRects();
}
void RenderWidgetHostImpl::OnRequestMove(const gfx::Rect& pos) {
if (view_) {
view_->SetBounds(pos);
Send(new ViewMsg_Move_ACK(routing_id_));
}
}
void RenderWidgetHostImpl::DidNotProduceFrame(const viz::BeginFrameAck& ack) {
// |has_damage| is not transmitted.
viz::BeginFrameAck modified_ack = ack;
modified_ack.has_damage = false;
if (view_)
view_->OnDidNotProduceFrame(modified_ack);
}
void RenderWidgetHostImpl::OnResizeOrRepaintACK(
const ViewHostMsg_ResizeOrRepaint_ACK_Params& params) {
TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnResizeOrRepaintACK");
TimeTicks paint_start = TimeTicks::Now();
// Update our knowledge of the RenderWidget's size.
current_size_ = params.view_size;
bool is_resize_ack =
ViewHostMsg_ResizeOrRepaint_ACK_Flags::is_resize_ack(params.flags);
// resize_ack_pending_ needs to be cleared before we call DidPaintRect, since
// that will end up reaching GetBackingStore.
if (is_resize_ack) {
DCHECK(!g_check_for_pending_resize_ack || resize_ack_pending_);
resize_ack_pending_ = false;
}
bool is_repaint_ack =
ViewHostMsg_ResizeOrRepaint_ACK_Flags::is_repaint_ack(params.flags);
if (is_repaint_ack) {
DCHECK(repaint_ack_pending_);
TRACE_EVENT_ASYNC_END0(
"renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
repaint_ack_pending_ = false;
TimeDelta delta = TimeTicks::Now() - repaint_start_time_;
UMA_HISTOGRAM_TIMES("MPArch.RWH_RepaintDelta", delta);
}
DCHECK(!params.view_size.IsEmpty());
DidCompleteResizeOrRepaint(params, paint_start);
last_auto_resize_request_number_ = params.sequence_number;
if (auto_resize_enabled_) {
bool post_callback = new_auto_size_.IsEmpty();
new_auto_size_ = params.view_size;
if (post_callback) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(&RenderWidgetHostImpl::DelayedAutoResized,
weak_factory_.GetWeakPtr()));
}
}
// Log the time delta for processing a paint message. On platforms that don't
// support asynchronous painting, this is equivalent to
// MPArch.RWH_TotalPaintTime.
TimeDelta delta = TimeTicks::Now() - paint_start;
UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgResizeOrRepaintACK", delta);
}
void RenderWidgetHostImpl::DidCompleteResizeOrRepaint(
const ViewHostMsg_ResizeOrRepaint_ACK_Params& params,
const TimeTicks& paint_start) {
TRACE_EVENT0("renderer_host",
"RenderWidgetHostImpl::DidCompleteResizeOrRepaint");
NotificationService::current()->Notify(
NOTIFICATION_RENDER_WIDGET_HOST_DID_COMPLETE_RESIZE_OR_REPAINT,
Source<RenderWidgetHost>(this), NotificationService::NoDetails());
// We don't need to update the view if the view is hidden. We must do this
// early return after the ACK is sent, however, or the renderer will not send
// us more data.
if (is_hidden_)
return;
// If we got a resize ack, then perhaps we have another resize to send?
bool is_resize_ack =
ViewHostMsg_ResizeOrRepaint_ACK_Flags::is_resize_ack(params.flags);
if (is_resize_ack)
WasResized();
}
void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) {
SetCursor(cursor);
}
void RenderWidgetHostImpl::OnAutoscrollStart(const gfx::PointF& position) {
WebGestureEvent scroll_begin = SyntheticWebGestureEventBuilder::Build(
WebInputEvent::kGestureScrollBegin,
blink::kWebGestureDeviceSyntheticAutoscroll);
scroll_begin.x = position.x();
scroll_begin.y = position.y();
scroll_begin.source_device = blink::kWebGestureDeviceSyntheticAutoscroll;
input_router_->SendGestureEvent(GestureEventWithLatencyInfo(scroll_begin));
}
void RenderWidgetHostImpl::OnAutoscrollFling(const gfx::Vector2dF& velocity) {
WebGestureEvent event = SyntheticWebGestureEventBuilder::Build(
WebInputEvent::kGestureFlingStart,
blink::kWebGestureDeviceSyntheticAutoscroll);
event.data.fling_start.velocity_x = velocity.x();
event.data.fling_start.velocity_y = velocity.y();
event.source_device = blink::kWebGestureDeviceSyntheticAutoscroll;
input_router_->SendGestureEvent(GestureEventWithLatencyInfo(event));
}
void RenderWidgetHostImpl::OnAutoscrollEnd() {
WebGestureEvent cancel_event = SyntheticWebGestureEventBuilder::Build(
WebInputEvent::kGestureFlingCancel,
blink::kWebGestureDeviceSyntheticAutoscroll);
cancel_event.data.fling_cancel.prevent_boosting = true;
input_router_->SendGestureEvent(GestureEventWithLatencyInfo(cancel_event));
WebGestureEvent end_event = SyntheticWebGestureEventBuilder::Build(
WebInputEvent::kGestureScrollEnd,
blink::kWebGestureDeviceSyntheticAutoscroll);
input_router_->SendGestureEvent(GestureEventWithLatencyInfo(end_event));
}
TouchEmulator* RenderWidgetHostImpl::GetTouchEmulator() {
if (!touch_emulator_) {
touch_emulator_.reset(new TouchEmulator(
this,
view_.get() ? content::GetScaleFactorForView(view_.get()) : 1.0f));
}
return touch_emulator_.get();
}
void RenderWidgetHostImpl::OnTextInputStateChanged(
const TextInputState& params) {
if (view_)
view_->TextInputStateChanged(params);
}
void RenderWidgetHostImpl::OnImeCompositionRangeChanged(
const gfx::Range& range,
const std::vector<gfx::Rect>& character_bounds) {
if (view_)
view_->ImeCompositionRangeChanged(range, character_bounds);
}
void RenderWidgetHostImpl::OnImeCancelComposition() {
if (view_)
view_->ImeCancelComposition();
}
void RenderWidgetHostImpl::OnLockMouse(bool user_gesture,
bool privileged) {
if (pending_mouse_lock_request_) {
Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
return;
}
pending_mouse_lock_request_ = true;
if (delegate_) {
delegate_->RequestToLockMouse(this, user_gesture,
is_last_unlocked_by_target_,
privileged && allow_privileged_mouse_lock_);
// We need to reset |is_last_unlocked_by_target_| here as we don't know
// request source in |LostMouseLock()|.
is_last_unlocked_by_target_ = false;
return;
}
if (privileged && allow_privileged_mouse_lock_) {
// Directly approve to lock the mouse.
GotResponseToLockMouseRequest(true);
} else {
// Otherwise, just reject it.
GotResponseToLockMouseRequest(false);
}
}
void RenderWidgetHostImpl::OnUnlockMouse() {
// Got unlock request from renderer. Will update |is_last_unlocked_by_target_|
// for silent re-lock.
const bool was_mouse_locked = !pending_mouse_lock_request_ && IsMouseLocked();
RejectMouseLockOrUnlockIfNecessary();
if (was_mouse_locked)
is_last_unlocked_by_target_ = true;
}
void RenderWidgetHostImpl::OnShowDisambiguationPopup(
const gfx::Rect& rect_pixels,
const gfx::Size& size,
base::SharedMemoryHandle handle) {
DCHECK(!rect_pixels.IsEmpty());
DCHECK(!size.IsEmpty());
SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height());
size_t shm_size = info.computeMinByteSize();
base::SharedMemory shm(handle, false /* read_only */);
if (shm_size == 0 || !shm.Map(shm_size)) {
bad_message::ReceivedBadMessage(GetProcess(),
bad_message::RWH_SHARED_BITMAP);
return;
}
SkBitmap zoomed_bitmap;
zoomed_bitmap.installPixels(info, shm.memory(), info.minRowBytes());
// Note that |rect| is in coordinates of pixels relative to the window origin.
// Aura-based systems will want to convert this to DIPs.
if (view_)
view_->ShowDisambiguationPopup(rect_pixels, zoomed_bitmap);
// It is assumed that the disambiguation popup will make a copy of the
// provided zoomed image, so we delete |zoomed_bitmap| and free shared memory.
}
void RenderWidgetHostImpl::SetIgnoreInputEvents(bool ignore_input_events) {
ignore_input_events_ = ignore_input_events;
}
bool RenderWidgetHostImpl::KeyPressListenersHandleEvent(
const NativeWebKeyboardEvent& event) {
if (event.skip_in_browser || event.GetType() != WebKeyboardEvent::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) {
DCHECK_EQ(original_size - 1, current_size);
--i;
}
}
return false;
}
InputEventAckState RenderWidgetHostImpl::FilterInputEvent(
const blink::WebInputEvent& event, const ui::LatencyInfo& latency_info) {
// Don't ignore touch cancel events, since they may be sent while input
// events are being ignored in order to keep the renderer from getting
// confused about how many touches are active.
if (ShouldDropInputEvents() && event.GetType() != WebInputEvent::kTouchCancel)
return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
if (!process_->HasConnection())
return INPUT_EVENT_ACK_STATE_UNKNOWN;
if (delegate_) {
if (event.GetType() == WebInputEvent::kMouseDown ||
event.GetType() == WebInputEvent::kTouchStart) {
delegate_->FocusOwningWebContents(this);
}
if (event.GetType() == WebInputEvent::kMouseDown ||
event.GetType() == WebInputEvent::kGestureScrollBegin ||
event.GetType() == WebInputEvent::kTouchStart ||
event.GetType() == WebInputEvent::kRawKeyDown) {
delegate_->OnUserInteraction(this, event.GetType());
}
}
return view_ ? view_->FilterInputEvent(event)
: INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
}
void RenderWidgetHostImpl::IncrementInFlightEventCount() {
++in_flight_event_count_;
if (!is_hidden_)
StartHangMonitorTimeout(hung_renderer_delay_);
}
void RenderWidgetHostImpl::DecrementInFlightEventCount(
InputEventAckSource ack_source) {
--in_flight_event_count_;
if (in_flight_event_count_ <= 0) {
// Cancel pending hung renderer checks since the renderer is responsive.
StopHangMonitorTimeout();
} else {
// Only restart the hang monitor timer if we got a response from the
// main thread.
if (ack_source == InputEventAckSource::MAIN_THREAD)
RestartHangMonitorTimeoutIfNecessary();
}
}
void RenderWidgetHostImpl::OnHasTouchEventHandlers(bool has_handlers) {
has_touch_handler_ = has_handlers;
}
void RenderWidgetHostImpl::DidOverscroll(
const ui::DidOverscrollParams& params) {
if (view_)
view_->DidOverscroll(params);
}
void RenderWidgetHostImpl::DidStopFlinging() {
is_in_touchpad_gesture_fling_ = false;
if (view_)
view_->DidStopFlinging();
}
void RenderWidgetHostImpl::SetNeedsBeginFrameForFlingProgress() {
SetNeedsBeginFrame(true);
}
void RenderWidgetHostImpl::DispatchInputEventWithLatencyInfo(
const blink::WebInputEvent& event,
ui::LatencyInfo* latency) {
latency_tracker_.OnInputEvent(event, latency);
for (auto& observer : input_event_observers_)
observer.OnInputEvent(event);
}
void RenderWidgetHostImpl::OnKeyboardEventAck(
const NativeWebKeyboardEventWithLatencyInfo& event,
InputEventAckSource ack_source,
InputEventAckState ack_result) {
latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result);
for (auto& input_event_observer : input_event_observers_)
input_event_observer.OnInputEventAck(ack_source, ack_result, event.event);
const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == 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_in_browser) {
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::OnMouseEventAck(
const MouseEventWithLatencyInfo& mouse_event,
InputEventAckSource ack_source,
InputEventAckState ack_result) {
latency_tracker_.OnInputEventAck(mouse_event.event, &mouse_event.latency,
ack_result);
for (auto& input_event_observer : input_event_observers_)
input_event_observer.OnInputEventAck(ack_source, ack_result,
mouse_event.event);
}
void RenderWidgetHostImpl::OnWheelEventAck(
const MouseWheelEventWithLatencyInfo& wheel_event,
InputEventAckSource ack_source,
InputEventAckState ack_result) {
latency_tracker_.OnInputEventAck(wheel_event.event, &wheel_event.latency,
ack_result);
for (auto& input_event_observer : input_event_observers_)
input_event_observer.OnInputEventAck(ack_source, ack_result,
wheel_event.event);
if (!is_hidden() && view_) {
if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED &&
delegate_ && delegate_->HandleWheelEvent(wheel_event.event)) {
ack_result = INPUT_EVENT_ACK_STATE_CONSUMED;
}
view_->WheelEventAck(wheel_event.event, ack_result);
}
}
void RenderWidgetHostImpl::OnGestureEventAck(
const GestureEventWithLatencyInfo& event,
InputEventAckSource ack_source,
InputEventAckState ack_result) {
latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result);
for (auto& input_event_observer : input_event_observers_)
input_event_observer.OnInputEventAck(ack_source, ack_result, event.event);
if (touch_emulator_)
touch_emulator_->OnGestureEventAck(event.event);
if (view_)
view_->GestureEventAck(event.event, ack_result);
}
void RenderWidgetHostImpl::OnTouchEventAck(
const TouchEventWithLatencyInfo& event,
InputEventAckSource ack_source,
InputEventAckState ack_result) {
latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result);
for (auto& input_event_observer : input_event_observers_)
input_event_observer.OnInputEventAck(ack_source, ack_result, event.event);
if (touch_emulator_ &&
touch_emulator_->HandleTouchEventAck(event.event, ack_result)) {
return;
}
if (view_)
view_->ProcessAckedTouchEvent(event, ack_result);
}
void RenderWidgetHostImpl::OnUnexpectedEventAck(UnexpectedEventAckType type) {
if (type == BAD_ACK_MESSAGE) {
bad_message::ReceivedBadMessage(process_, bad_message::RWH_BAD_ACK_MESSAGE);
} else if (type == UNEXPECTED_EVENT_TYPE) {
suppress_events_until_keydown_ = false;
}
}
bool RenderWidgetHostImpl::ShouldDropInputEvents() const {
return ignore_input_events_ || process_->IgnoreInputEvents() || !delegate_;
}
void RenderWidgetHostImpl::SetBackgroundOpaque(bool opaque) {
Send(new ViewMsg_SetBackgroundOpaque(GetRoutingID(), opaque));
}
bool RenderWidgetHostImpl::GotResponseToLockMouseRequest(bool allowed) {
if (!allowed) {
RejectMouseLockOrUnlockIfNecessary();
return false;
}
if (!pending_mouse_lock_request_) {
// This is possible, e.g., the plugin sends us an unlock request before
// the user allows to lock to mouse.
return false;
}
pending_mouse_lock_request_ = false;
if (!view_ || !view_->HasFocus()|| !view_->LockMouse()) {
Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
return false;
}
Send(new ViewMsg_LockMouse_ACK(routing_id_, true));
return true;
}
void RenderWidgetHostImpl::DelayedAutoResized() {
gfx::Size new_size = new_auto_size_;
// Clear the new_auto_size_ since the empty value is used as a flag to
// indicate that no callback is in progress (i.e. without this line
// DelayedAutoResized will not get called again).
new_auto_size_.SetSize(0, 0);
if (!auto_resize_enabled_)
return;
if (delegate_) {
delegate_->ResizeDueToAutoResize(this, new_size,
last_auto_resize_request_number_);
}
}
void RenderWidgetHostImpl::DetachDelegate() {
delegate_ = nullptr;
latency_tracker_.reset_delegate();
}
void RenderWidgetHostImpl::DidAllocateLocalSurfaceIdForAutoResize(
uint64_t sequence_number) {
if (!view_ || last_auto_resize_request_number_ != sequence_number)
return;
viz::LocalSurfaceId local_surface_id(view_->GetLocalSurfaceId());
if (local_surface_id.is_valid()) {
ScreenInfo screen_info;
GetScreenInfo(&screen_info);
Send(new ViewMsg_SetLocalSurfaceIdForAutoResize(
routing_id_, sequence_number, min_size_for_auto_resize_,
max_size_for_auto_resize_, screen_info, local_surface_id));
}
}
void RenderWidgetHostImpl::DidReceiveRendererFrame() {
view_->DidReceiveRendererFrame();
}
void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) {
DCHECK(base::MessageLoopForUI::IsCurrent());
if (!pending_surface_browser_snapshots_.empty()) {
GetView()->CopyFromSurface(
gfx::Rect(), gfx::Size(),
base::Bind(&RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived,
weak_factory_.GetWeakPtr(), snapshot_id, 0),
kN32_SkColorType);
}
if (!pending_browser_snapshots_.empty()) {
#if defined(OS_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
gfx::Image image;
if (ui::GrabViewSnapshot(GetView()->GetNativeView(), snapshot_bounds,
&image)) {
OnSnapshotReceived(snapshot_id, image);
return;
}
ui::GrabViewSnapshotAsync(
GetView()->GetNativeView(), snapshot_bounds,
base::Bind(&RenderWidgetHostImpl::OnSnapshotReceived,
weak_factory_.GetWeakPtr(), snapshot_id));
}
}
void RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived(
int snapshot_id,
int retry_count,
const SkBitmap& bitmap,
ReadbackResponse response) {
static const int kMaxRetries = 5;
if (response != READBACK_SUCCESS && retry_count < kMaxRetries) {
GetView()->CopyFromSurface(
gfx::Rect(), gfx::Size(),
base::Bind(&RenderWidgetHostImpl::OnSnapshotFromSurfaceReceived,
weak_factory_.GetWeakPtr(), snapshot_id, retry_count + 1),
kN32_SkColorType);
return;
}
// If all retries have failed, we return an empty image.
gfx::Image image;
if (response == READBACK_SUCCESS)
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.
PendingSnapshotMap::iterator it = pending_surface_browser_snapshots_.begin();
while (it != pending_surface_browser_snapshots_.end()) {
if (it->first <= snapshot_id) {
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.
PendingSnapshotMap::iterator it = pending_browser_snapshots_.begin();
while (it != pending_browser_snapshots_.end()) {
if (it->first <= snapshot_id) {
it->second.Run(image);
pending_browser_snapshots_.erase(it++);
} else {
++it;
}
}
#if defined(OS_MACOSX)
if (pending_browser_snapshots_.empty())
GetWakeLock()->CancelWakeLock();
#endif
}
// static
void RenderWidgetHostImpl::OnGpuSwapBuffersCompleted(
const std::vector<ui::LatencyInfo>& latency_info) {
for (size_t i = 0; i < latency_info.size(); i++) {
std::set<RenderWidgetHostImpl*> rwhi_set;
for (const auto& lc : latency_info[i].latency_components()) {
if (lc.first.first == ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT ||
lc.first.first == ui::BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT ||
lc.first.first == ui::TAB_SHOW_COMPONENT) {
// Matches with GetLatencyComponentId
int routing_id = lc.first.second & 0xffffffff;
int process_id = (lc.first.second >> 32) & 0xffffffff;
RenderWidgetHost* rwh =
RenderWidgetHost::FromID(process_id, routing_id);
if (!rwh) {
continue;
}
RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
if (rwhi_set.insert(rwhi).second)
rwhi->OnGpuSwapBuffersCompletedInternal(latency_info[i]);
}
}
}
}
BrowserAccessibilityManager*
RenderWidgetHostImpl::GetRootBrowserAccessibilityManager() {
return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : nullptr;
}
BrowserAccessibilityManager*
RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
return delegate_ ? delegate_->GetOrCreateRootBrowserAccessibilityManager()
: nullptr;
}
void RenderWidgetHostImpl::GrantFileAccessFromDropData(DropData* drop_data) {
DCHECK_EQ(GetRoutingID(), drop_data->view_id);
RenderProcessHost* process = GetProcess();
PrepareDropDataForChildProcess(
drop_data, ChildProcessSecurityPolicyImpl::GetInstance(),
process->GetID(), 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::RequestCompositorFrameSink(
viz::mojom::CompositorFrameSinkRequest request,
viz::mojom::CompositorFrameSinkClientPtr client) {
if (enable_viz_) {
// TODO(kylechar): Find out why renderer is requesting a CompositorFrameSink
// with no view.
if (view_) {
GetHostFrameSinkManager()->CreateCompositorFrameSink(
view_->GetFrameSinkId(), std::move(request), std::move(client));
}
return;
}
if (compositor_frame_sink_binding_.is_bound())
compositor_frame_sink_binding_.Close();
compositor_frame_sink_binding_.Bind(
std::move(request),
BrowserMainLoop::GetInstance()->GetResizeTaskRunner());
if (view_)
view_->DidCreateNewRendererCompositorFrameSink(client.get());
renderer_compositor_frame_sink_ = std::move(client);
}
bool RenderWidgetHostImpl::HasGestureStopped() {
return !input_router_->HasPendingEvents();
}
void RenderWidgetHostImpl::SetNeedsBeginFrame(bool needs_begin_frame) {
OnSetNeedsBeginFrames(needs_begin_frame);
}
void RenderWidgetHostImpl::SetWantsAnimateOnlyBeginFrames() {
if (view_)
view_->SetWantsAnimateOnlyBeginFrames();
}
void RenderWidgetHostImpl::SubmitCompositorFrame(
const viz::LocalSurfaceId& local_surface_id,
viz::CompositorFrame frame,
viz::mojom::HitTestRegionListPtr hit_test_region_list,
uint64_t submit_time) {
// TODO(gklassen): Route hit-test data to appropriate HitTestAggregator.
TRACE_EVENT_FLOW_END0(TRACE_DISABLED_BY_DEFAULT("cc.debug.ipc"),
"SubmitCompositorFrame", local_surface_id.hash());
bool tracing_enabled;
TRACE_EVENT_CATEGORY_GROUP_ENABLED(TRACE_DISABLED_BY_DEFAULT("cc.debug.ipc"),
&tracing_enabled);
if (tracing_enabled) {
base::TimeDelta elapsed = base::TimeTicks::Now().since_origin() -
base::TimeDelta::FromMicroseconds(submit_time);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("cc.debug.ipc"),
"SubmitCompositorFrame::TimeElapsed",
TRACE_EVENT_SCOPE_THREAD,
"elapsed time:", elapsed.InMicroseconds());
}
auto new_surface_properties =
RenderWidgetSurfaceProperties::FromCompositorFrame(frame);
if (local_surface_id == last_local_surface_id_ &&
SurfacePropertiesMismatch(new_surface_properties,
last_surface_properties_)) {
std::string error = base::StringPrintf(