| // 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 <algorithm> |
| #include <set> |
| #include <tuple> |
| #include <unordered_map> |
| #include <utility> |
| |
| #include "base/auto_reset.h" |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/hash/hash.h" |
| #include "base/i18n/rtl.h" |
| #include "base/lazy_instance.h" |
| #include "base/location.h" |
| #include "base/macros.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/post_task.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/default_tick_clock.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/common/resources/bitmap_allocation.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/display_util.h" |
| #include "content/browser/renderer_host/frame_token_message_queue.h" |
| #include "content/browser/renderer_host/input/fling_scheduler.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/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_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/browser/renderer_host/render_widget_host_view_child_frame.h" |
| #include "content/common/content_constants_internal.h" |
| #include "content/common/cursors/webcursor.h" |
| #include "content/common/drag_messages.h" |
| #include "content/common/frame_messages.h" |
| #include "content/common/input/sync_compositor_messages.h" |
| #include "content/common/input_messages.h" |
| #include "content/common/text_input_state.h" |
| #include "content/common/view_messages.h" |
| #include "content/common/visual_properties.h" |
| #include "content/common/widget_messages.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_thread.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_frame_metadata_provider.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/result_codes.h" |
| #include "content/public/common/use_zoom_for_dsf_policy.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 "mojo/public/cpp/bindings/pending_receiver.h" |
| #include "mojo/public/cpp/system/platform_handle.h" |
| #include "net/base/filename_util.h" |
| #include "skia/ext/image_operations.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "storage/browser/file_system/isolated_context.h" |
| #include "third_party/blink/public/web/web_ime_text_span.h" |
| #include "ui/base/clipboard/clipboard_constants.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/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 defined(OS_ANDROID) |
| #include "content/browser/renderer_host/input/fling_scheduler_android.h" |
| #include "ui/android/view_android.h" |
| #endif |
| |
| #if defined(OS_MACOSX) |
| #include "content/browser/renderer_host/input/fling_scheduler_mac.h" |
| #include "content/public/browser/system_connector.h" |
| #include "services/device/public/mojom/constants.mojom.h" |
| #include "services/device/public/mojom/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_visual_properties_ack = true; |
| |
| // <process id, routing id> |
| using RenderWidgetHostID = std::pair<int32_t, int32_t>; |
| using RoutingIDWidgetMap = |
| std::unordered_map<RenderWidgetHostID, |
| RenderWidgetHostImpl*, |
| base::IntPairHash<RenderWidgetHostID>>; |
| 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.TimeStamp(), gesture_event.SourceDevice()); |
| 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.TimeStamp(), gesture_event.SourceDevice()); |
| 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::kMimeTypeText))); |
| } |
| |
| if (drop_data.url.is_valid()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, base::ASCIIToUTF16(ui::kMimeTypeURIList))); |
| } |
| |
| if (!drop_data.html.is_null()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, base::ASCIIToUTF16(ui::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 FallbackCursorModeToggled(bool is_on) 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, |
| ImeCommitTextCallback callback) 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"; |
| } |
| void WaitForInputProcessed(WaitForInputProcessedCallback callback) override { |
| DLOG(WARNING) << "Input request on unbound interface"; |
| } |
| void AttachSynchronousCompositor( |
| mojo::PendingRemote<mojom::SynchronousCompositorControlHost> control_host, |
| mojo::PendingAssociatedRemote<mojom::SynchronousCompositorHost> host, |
| mojo::PendingAssociatedReceiver<mojom::SynchronousCompositor> |
| compositor_request) override { |
| NOTREACHED() << "Input request on unbound interface"; |
| } |
| }; |
| |
| base::LazyInstance<UnboundWidgetInputHandler>::Leaky g_unbound_input_handler = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // RenderWidgetHostImpl |
| |
| RenderWidgetHostImpl::RenderWidgetHostImpl( |
| RenderWidgetHostDelegate* delegate, |
| RenderProcessHost* process, |
| int32_t routing_id, |
| mojo::PendingRemote<mojom::Widget> widget, |
| bool hidden) |
| : delegate_(delegate), |
| process_(process), |
| routing_id_(routing_id), |
| clock_(base::DefaultTickClock::GetInstance()), |
| is_hidden_(hidden), |
| latency_tracker_(delegate_), |
| hung_renderer_delay_(TimeDelta::FromMilliseconds(kHungRendererDelayMs)), |
| new_content_rendering_delay_( |
| TimeDelta::FromMilliseconds(kNewContentRenderingDelayMs)), |
| compositor_frame_sink_receiver_(this), |
| frame_token_message_queue_( |
| std::make_unique<FrameTokenMessageQueue>(this)), |
| render_frame_metadata_provider_( |
| #if defined(OS_MACOSX) |
| ui::WindowResizeHelperMac::Get()->task_runner(), |
| #else |
| base::ThreadTaskRunnerHandle::Get(), |
| #endif |
| frame_token_message_queue_.get()), |
| frame_sink_id_(base::checked_cast<uint32_t>(process_->GetID()), |
| base::checked_cast<uint32_t>(routing_id_)) { |
| #if defined(OS_MACOSX) |
| fling_scheduler_ = std::make_unique<FlingSchedulerMac>(this); |
| #elif defined(OS_ANDROID) |
| fling_scheduler_ = std::make_unique<FlingSchedulerAndroid>(this); |
| #else |
| fling_scheduler_ = std::make_unique<FlingScheduler>(this); |
| #endif |
| CHECK(delegate_); |
| CHECK_NE(MSG_ROUTING_NONE, routing_id_); |
| DCHECK(base::ThreadPoolInstance::Get()) |
| << "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_->AddObserver(this); |
| render_process_blocked_state_changed_subscription_ = |
| process_->RegisterBlockStateChangedCallback(base::BindRepeating( |
| &RenderWidgetHostImpl::RenderProcessBlockedStateChanged, |
| base::Unretained(this))); |
| process_->AddPriorityClient(this); |
| |
| SetupInputRouter(); |
| SetWidget(std::move(widget)); |
| |
| const auto* command_line = base::CommandLine::ForCurrentProcess(); |
| if (!command_line->HasSwitch(switches::kDisableHangMonitor)) { |
| input_event_ack_timeout_ = std::make_unique<TimeoutMonitor>( |
| base::BindRepeating(&RenderWidgetHostImpl::OnInputEventAckTimeout, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| if (!command_line->HasSwitch(switches::kDisableNewContentRenderingTimeout)) { |
| new_content_rendering_timeout_ = std::make_unique<TimeoutMonitor>( |
| base::BindRepeating(&RenderWidgetHostImpl::ClearDisplayedGraphics, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| enable_viz_ = features::IsVizDisplayCompositorEnabled(); |
| |
| if (!enable_viz_) { |
| #if !defined(OS_ANDROID) |
| // Software compositing is not supported or used on Android. |
| // |
| // The BrowserMainLoop is null in unit tests, but they do not use |
| // compositing and report SharedBitmapIds. |
| if (BrowserMainLoop* main_loop = BrowserMainLoop::GetInstance()) |
| shared_bitmap_manager_ = main_loop->GetServerSharedBitmapManager(); |
| #endif |
| } |
| |
| delegate_->RenderWidgetCreated(this); |
| render_frame_metadata_provider_.AddObserver(this); |
| } |
| |
| RenderWidgetHostImpl::~RenderWidgetHostImpl() { |
| render_frame_metadata_provider_.RemoveObserver(this); |
| 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(); |
| 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 it's not swapped out. |
| 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); |
| } |
| |
| void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) { |
| if (view) { |
| view_ = view->GetWeakPtr(); |
| if (enable_viz_) { |
| if (!create_frame_sink_callback_.is_null()) |
| std::move(create_frame_sink_callback_).Run(view_->GetFrameSinkId()); |
| } else { |
| 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(); |
| } |
| |
| // static |
| const base::TimeDelta RenderWidgetHostImpl::kActivationNotificationExpireTime = |
| base::TimeDelta::FromMilliseconds(300); |
| |
| RenderProcessHost* RenderWidgetHostImpl::GetProcess() { |
| return process_; |
| } |
| |
| int RenderWidgetHostImpl::GetRoutingID() { |
| return routing_id_; |
| } |
| |
| RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() { |
| return view_.get(); |
| } |
| |
| const viz::FrameSinkId& RenderWidgetHostImpl::GetFrameSinkId() { |
| return frame_sink_id_; |
| } |
| |
| void RenderWidgetHostImpl::ResetSentVisualProperties() { |
| visual_properties_ack_pending_ = false; |
| old_visual_properties_.reset(); |
| } |
| |
| 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 WidgetMsg_UpdateScreenRects(GetRoutingID(), last_view_screen_rect_, |
| last_window_screen_rect_)); |
| 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::UpdatePriority() { |
| if (!destroyed_) |
| process_->UpdateClientPriority(this); |
| } |
| |
| void RenderWidgetHostImpl::Init() { |
| DCHECK(process_->IsInitializedAndNotDead()); |
| |
| renderer_initialized_ = true; |
| |
| SendScreenRects(); |
| SynchronizeVisualProperties(); |
| |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetDidInit(); |
| |
| if (view_) |
| view_->OnRenderWidgetInit(); |
| } |
| |
| void RenderWidgetHostImpl::InitForFrame() { |
| DCHECK(process_->IsInitializedAndNotDead()); |
| renderer_initialized_ = true; |
| |
| if (view_) |
| view_->OnRenderWidgetInit(); |
| } |
| |
| bool RenderWidgetHostImpl::ShouldShowStaleContentOnEviction() { |
| return delegate_ && delegate_->ShouldShowStaleContentOnEviction(); |
| } |
| |
| void RenderWidgetHostImpl::ShutdownAndDestroyWidget(bool also_delete) { |
| CancelKeyboardLock(); |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| if (process_->IsInitializedAndNotDead() && !owner_delegate()) { |
| // Tell the RendererWidget to close. We only want to do this if the |
| // RenderWidget is the root of the renderer object graph, which is for |
| // pepper fullscreen and popups. |
| bool rv = Send(new WidgetMsg_Close(routing_id_)); |
| DCHECK(rv); |
| } |
| |
| Destroy(also_delete); |
| } |
| |
| bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) { |
| // Only process most messages if the RenderWidget is alive. |
| if (!renderer_initialized()) |
| return false; |
| |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_Close, OnClose) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_UpdateScreenRects_ACK, |
| OnUpdateScreenRectsAck) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_RequestSetBounds, OnRequestSetBounds) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_SetTooltipText, OnSetTooltipText) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_SetCursor, OnSetCursor) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_AutoscrollStart, OnAutoscrollStart) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_AutoscrollFling, OnAutoscrollFling) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_AutoscrollEnd, OnAutoscrollEnd) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_TextInputStateChanged, |
| OnTextInputStateChanged) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_LockMouse, OnLockMouse) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_UnlockMouse, OnUnlockMouse) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_SelectionBoundsChanged, |
| OnSelectionBoundsChanged) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_FocusedNodeTouched, OnFocusedNodeTouched) |
| IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnStartDragging) |
| IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_FrameSwapMessages, |
| OnFrameSwapMessagesReceived) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_ForceRedrawComplete, |
| OnForceRedrawComplete) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_DidFirstVisuallyNonEmptyPaint, |
| OnFirstVisuallyNonEmptyPaint) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_HasTouchEventHandlers, |
| OnHasTouchEventHandlers) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_IntrinsicSizingInfoChanged, |
| OnIntrinsicSizingInfoChanged) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_AnimateDoubleTapZoomInMainFrame, |
| OnAnimateDoubleTapZoomInMainFrame) |
| IPC_MESSAGE_HANDLER(WidgetHostMsg_ZoomToFindInPageRectInMainFrame, |
| OnZoomToFindInPageRectInMainFrame) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| |
| 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) { |
| is_loading_ = is_loading; |
| if (view_) |
| view_->SetIsLoading(is_loading); |
| } |
| |
| void RenderWidgetHostImpl::WasHidden() { |
| if (is_hidden_) |
| return; |
| |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| 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. |
| StopInputEventAckTimeout(); |
| |
| // If we have a renderer, then inform it that we are being hidden so it can |
| // reduce its resource utilization. |
| Send(new WidgetMsg_WasHidden(routing_id_)); |
| |
| // Tell the RenderProcessHost we were hidden. |
| process_->UpdateClientPriority(this); |
| |
| bool is_visible = false; |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED, |
| Source<RenderWidgetHost>(this), Details<bool>(&is_visible)); |
| for (auto& observer : observers_) |
| observer.RenderWidgetHostVisibilityChanged(this, false); |
| } |
| |
| void RenderWidgetHostImpl::WasShown( |
| const base::Optional<RecordTabSwitchTimeRequest>& |
| record_tab_switch_time_request) { |
| if (!is_hidden_) |
| return; |
| |
| TRACE_EVENT_WITH_FLOW0("renderer_host", "RenderWidgetHostImpl::WasShown", |
| routing_id_, TRACE_EVENT_FLAG_FLOW_OUT); |
| is_hidden_ = false; |
| |
| // If we navigated in background, clear the displayed graphics of the |
| // previous page before going visible. |
| ForceFirstFrameAfterNavigationTimeout(); |
| |
| SendScreenRects(); |
| RestartInputEventAckTimeoutIfNecessary(); |
| |
| Send(new WidgetMsg_WasShown( |
| routing_id_, |
| record_tab_switch_time_request ? base::TimeTicks::Now() |
| : base::TimeTicks(), |
| view_->is_evicted(), record_tab_switch_time_request)); |
| view_->reset_is_evicted(); |
| |
| process_->UpdateClientPriority(this); |
| |
| bool is_visible = true; |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED, |
| Source<RenderWidgetHost>(this), Details<bool>(&is_visible)); |
| 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 WidgetMsg_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 defined(OS_ANDROID) |
| void RenderWidgetHostImpl::SetImportance(ChildProcessImportance importance) { |
| if (importance_ == importance) |
| return; |
| importance_ = importance; |
| process_->UpdateClientPriority(this); |
| } |
| |
| void RenderWidgetHostImpl::OnImeTextCommittedEvent( |
| const base::string16& text_str) { |
| for (auto& observer : ime_text_committed_observers_) { |
| observer.OnImeTextCommittedEvent(text_str); |
| } |
| } |
| |
| void RenderWidgetHostImpl::AddImeTextCommittedEventObserver( |
| RenderWidgetHost::InputEventObserver* observer) { |
| if (!ime_text_committed_observers_.HasObserver(observer)) { |
| ime_text_committed_observers_.AddObserver(observer); |
| } |
| } |
| |
| void RenderWidgetHostImpl::RemoveImeTextCommittedEventObserver( |
| RenderWidgetHost::InputEventObserver* observer) { |
| ime_text_committed_observers_.RemoveObserver(observer); |
| } |
| #endif |
| |
| VisualProperties RenderWidgetHostImpl::GetVisualProperties() { |
| // This is only called while the RenderWidgetHost is attached to a delegate |
| // still. |
| DCHECK(delegate_); |
| // When the renderer process is gone, there's no need for VisualProperties |
| // which are to be sent to the renderer process. |
| DCHECK(view_); |
| |
| VisualProperties visual_properties; |
| |
| GetScreenInfo(&visual_properties.screen_info); |
| |
| visual_properties.is_fullscreen_granted = |
| delegate_->IsFullscreenForCurrentTab(); |
| visual_properties.display_mode = delegate_->GetDisplayMode(this); |
| visual_properties.zoom_level = delegate_->GetPendingPageZoomLevel(); |
| |
| RenderViewHostDelegateView* rvh_delegate_view = delegate_->GetDelegateView(); |
| DCHECK(rvh_delegate_view); |
| |
| visual_properties.browser_controls_shrink_blink_size = |
| rvh_delegate_view->DoBrowserControlsShrinkRendererSize(); |
| |
| float top_controls_height = rvh_delegate_view->GetTopControlsHeight(); |
| float bottom_controls_height = rvh_delegate_view->GetBottomControlsHeight(); |
| float browser_controls_dsf_multiplier = 1.f; |
| // The top and bottom control sizes are physical pixels but the IPC wants |
| // DIPs *when not using page zoom for DSF* because blink layout is working |
| // in DIPs then. |
| if (!IsUseZoomForDSFEnabled()) { |
| browser_controls_dsf_multiplier = |
| visual_properties.screen_info.device_scale_factor; |
| } |
| visual_properties.top_controls_height = |
| top_controls_height / browser_controls_dsf_multiplier; |
| visual_properties.bottom_controls_height = |
| bottom_controls_height / browser_controls_dsf_multiplier; |
| |
| 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 = view_->GetRequestedRendererSize(); |
| visual_properties.visible_viewport_size = view_->GetVisibleViewportSize(); |
| visual_properties.compositor_viewport_pixel_rect = |
| gfx::Rect(view_->GetCompositorViewportPixelSize()); |
| |
| const bool is_child_frame = view_->IsRenderWidgetHostViewChildFrame() && |
| !view_->IsRenderWidgetHostViewGuest(); |
| // These properties come from the main frame RenderWidget and flow down the |
| // tree of RenderWidgets. Each child frame RenderWidgetHost gets its values |
| // from their parent RenderWidget in the renderer process. It gives them to |
| // its RenderWidget, and the process repeats down the tree. |
| // The plumbing goes: |
| // 1. Browser: parent RenderWidgetHost |
| // 2. IPC -> WidgetMsg_UpdateVisualProperties |
| // 3. Renderer A: parent RenderWidget |
| // (sometimes blink involved) |
| // 4. Renderer A: child RenderFrameProxy |
| // 5. IPC -> FrameHostMsg_SynchronizeVisualProperties |
| // 6. Browser: child CrossProcessFrameConnector |
| // 7. Browser: parent RenderWidgetHost (We're here if |is_child_frame|.) |
| // 8. IPC -> WidgetMsg_UpdateVisualProperties |
| // 9. Renderer B: child RenderWidget |
| if (is_child_frame) { |
| visual_properties.page_scale_factor = |
| properties_from_parent_frame_.page_scale_factor; |
| visual_properties.is_pinch_gesture_active = |
| properties_from_parent_frame_.is_pinch_gesture_active; |
| visual_properties.compositor_viewport_pixel_rect = |
| properties_from_parent_frame_.compositor_viewport; |
| |
| if (!IsUseZoomForDSFEnabled()) { |
| // If UseZoomForDSF is not used, the coordinates were not scaled by DSF |
| // when coming from the renderer. |
| visual_properties.compositor_viewport_pixel_rect = |
| gfx::ScaleToEnclosingRect( |
| visual_properties.compositor_viewport_pixel_rect, |
| visual_properties.screen_info.device_scale_factor); |
| } |
| } |
| |
| visual_properties.capture_sequence_number = view_->GetCaptureSequenceNumber(); |
| |
| // TODO(ccameron): GetLocalSurfaceId is not synchronized with the device |
| // scale factor of the surface. Fix this. |
| viz::LocalSurfaceIdAllocation local_surface_id_allocation = |
| view_->GetLocalSurfaceIdAllocation(); |
| if (local_surface_id_allocation.IsValid()) { |
| visual_properties.local_surface_id_allocation = local_surface_id_allocation; |
| } |
| |
| if (screen_orientation_type_for_testing_) { |
| visual_properties.screen_info.orientation_type = |
| *screen_orientation_type_for_testing_; |
| } |
| |
| if (screen_orientation_angle_for_testing_) { |
| visual_properties.screen_info.orientation_angle = |
| *screen_orientation_angle_for_testing_; |
| } |
| |
| return visual_properties; |
| } |
| |
| void RenderWidgetHostImpl::SetInitialVisualProperties( |
| const VisualProperties& visual_properties) { |
| visual_properties_ack_pending_ = |
| DoesVisualPropertiesNeedAck(old_visual_properties_, visual_properties); |
| old_visual_properties_ = |
| std::make_unique<VisualProperties>(visual_properties); |
| } |
| |
| bool RenderWidgetHostImpl::SynchronizeVisualProperties() { |
| return SynchronizeVisualProperties(false); |
| } |
| |
| void RenderWidgetHostImpl::SynchronizeVisualPropertiesIgnoringPendingAck() { |
| visual_properties_ack_pending_ = false; |
| SynchronizeVisualProperties(); |
| } |
| |
| bool RenderWidgetHostImpl::SynchronizeVisualProperties( |
| bool scroll_focused_node_into_view) { |
| // 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 the RenderWidget is not undead 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; |
| |
| // Skip if the |delegate_| has already been detached because |
| // it's web contents is being deleted, or if LocalSurfaceIdAllocation is |
| // suppressed, as we are first updating our internal state from a child's |
| // request, before subsequently merging ids to send. |
| if (visual_properties_ack_pending_ || !process_->IsInitializedAndNotDead() || |
| !view_ || !view_->HasSize() || !renderer_initialized_ || !delegate_ || |
| surface_id_allocation_suppressed_ || |
| !view_->CanSynchronizeVisualProperties()) { |
| return false; |
| } |
| |
| auto visual_properties = std::make_unique<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; |
| |
| Send(new WidgetMsg_UpdateVisualProperties(routing_id_, *visual_properties)); |
| |
| bool width_changed = |
| !old_visual_properties_ || old_visual_properties_->new_size.width() != |
| visual_properties->new_size.width(); |
| TRACE_EVENT_WITH_FLOW2( |
| TRACE_DISABLED_BY_DEFAULT("viz.surface_id_flow"), |
| "RenderWidgetHostImpl::SynchronizeVisualProperties send message", |
| visual_properties->local_surface_id_allocation->local_surface_id() |
| .submission_trace_id(), |
| TRACE_EVENT_FLAG_FLOW_OUT, "message", |
| "WidgetMsg_SynchronizeVisualProperties", "local_surface_id", |
| visual_properties->local_surface_id_allocation->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(); |
| 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::FlushForTesting() { |
| if (associated_widget_input_handler_) |
| return associated_widget_input_handler_.FlushForTesting(); |
| if (widget_input_handler_) |
| return widget_input_handler_.FlushForTesting(); |
| } |
| |
| 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 (IsKeyboardLocked()) |
| UnlockKeyboard(); |
| |
| if (auto* touch_emulator = GetExistingTouchEmulator()) |
| touch_emulator->CancelTouch(); |
| } else if (keyboard_lock_allowed_) { |
| LockKeyboard(); |
| } |
| |
| GetWidgetInputHandler()->SetFocus(focused); |
| |
| // Also send page-level focus state to other SiteInstances involved in |
| // rendering the current FrameTree, if this widget is for a main frame. |
| if (owner_delegate_ && delegate_) |
| delegate_->ReplicatePageFocus(focused); |
| } |
| |
| void RenderWidgetHostImpl::LostCapture() { |
| if (auto* touch_emulator = GetExistingTouchEmulator()) |
| touch_emulator->CancelTouch(); |
| |
| GetWidgetInputHandler()->MouseCaptureLost(); |
| |
| if (delegate_) |
| delegate_->LostCapture(this); |
| } |
| |
| void RenderWidgetHostImpl::SetActive(bool active) { |
| Send(new WidgetMsg_SetActive(routing_id_, active)); |
| } |
| |
| void RenderWidgetHostImpl::LostMouseLock() { |
| if (delegate_) |
| delegate_->LostMouseLock(this); |
| } |
| |
| void RenderWidgetHostImpl::SendMouseLockLost() { |
| Send(new WidgetMsg_MouseLockLost(routing_id_)); |
| } |
| |
| void RenderWidgetHostImpl::ViewDestroyed() { |
| CancelKeyboardLock(); |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| // TODO(evanm): tracking this may no longer be necessary; |
| // eliminate this function if so. |
| SetView(nullptr); |
| } |
| |
| bool RenderWidgetHostImpl::RequestRepaintForTesting() { |
| if (!view_) |
| return false; |
| |
| return view_->RequestRepaintForTesting(); |
| } |
| |
| void RenderWidgetHostImpl::RenderProcessBlockedStateChanged(bool blocked) { |
| if (blocked) |
| StopInputEventAckTimeout(); |
| else |
| RestartInputEventAckTimeoutIfNecessary(); |
| } |
| |
| void RenderWidgetHostImpl::StartInputEventAckTimeout(TimeDelta delay) { |
| if (!input_event_ack_timeout_) |
| return; |
| input_event_ack_timeout_->Start(delay); |
| input_event_ack_start_time_ = clock_->NowTicks(); |
| } |
| |
| void RenderWidgetHostImpl::RestartInputEventAckTimeoutIfNecessary() { |
| if (input_event_ack_timeout_ && in_flight_event_count_ > 0 && !is_hidden_) |
| input_event_ack_timeout_->Restart(hung_renderer_delay_); |
| } |
| |
| bool RenderWidgetHostImpl::IsCurrentlyUnresponsive() { |
| return is_unresponsive_; |
| } |
| |
| void RenderWidgetHostImpl::StopInputEventAckTimeout() { |
| if (input_event_ack_timeout_) |
| input_event_ack_timeout_->Stop(); |
| |
| if (!input_event_ack_start_time_.is_null()) { |
| base::TimeDelta elapsed = clock_->NowTicks() - input_event_ack_start_time_; |
| const base::TimeDelta kMinimumHangTimeToReport = |
| base::TimeDelta::FromSeconds(5); |
| if (elapsed >= kMinimumHangTimeToReport) |
| UMA_HISTOGRAM_LONG_TIMES("Renderer.Hung.Duration", elapsed); |
| |
| input_event_ack_start_time_ = TimeTicks(); |
| } |
| RendererIsResponsive(); |
| } |
| |
| void RenderWidgetHostImpl::DidNavigate() { |
| // Stop the flinging after navigating to a new page. |
| StopFling(); |
| |
| // 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(); |
| |
| if (!new_content_rendering_timeout_) |
| return; |
| |
| new_content_rendering_timeout_->Start(new_content_rendering_delay_); |
| |
| ClearPendingUserActivation(); |
| } |
| |
| 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_[static_cast<int>( |
| blink::WebGestureDevice::kTouchpad)] || |
| 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 (IsIgnoringInputEvents()) |
| return; |
| |
| // Delegate must be non-null, due to |IsIgnoringInputEvents()| test. |
| if (delegate_->PreHandleMouseEvent(mouse_event)) |
| return; |
| |
| auto* touch_emulator = GetExistingTouchEmulator(); |
| if (touch_emulator && |
| touch_emulator->HandleMouseEvent(mouse_event, GetView())) { |
| return; |
| } |
| |
| MouseEventWithLatencyInfo mouse_with_latency(mouse_event, latency); |
| DispatchInputEventWithLatencyInfo(mouse_event, &mouse_with_latency.latency); |
| input_router_->SendMouseEvent( |
| mouse_with_latency, base::BindOnce(&RenderWidgetHostImpl::OnMouseEventAck, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| 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 (IsIgnoringInputEvents()) |
| return; |
| |
| auto* touch_emulator = GetExistingTouchEmulator(); |
| 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::WaitForInputProcessed( |
| SyntheticGestureParams::GestureType type, |
| SyntheticGestureParams::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) { |
| // TODO(bokan): The RequestPresentationCallback mechanism doesn't seem to |
| // work in OOPIFs. For now, just callback immediately. Remove when fixed. |
| // https://crbug.com/924646. |
| if (GetView()->IsRenderWidgetHostViewChildFrame()) { |
| std::move(callback).Run(); |
| return; |
| } |
| |
| input_router_->WaitForInputProcessed(std::move(callback)); |
| } |
| |
| 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 (IsIgnoringInputEvents()) |
| return; |
| |
| // The gesture events must have a known source. |
| DCHECK_NE(gesture_event.SourceDevice(), |
| blink::WebGestureDevice::kUninitialized); |
| |
| bool scroll_update_needs_wrapping = false; |
| if (gesture_event.GetType() == blink::WebInputEvent::kGestureScrollBegin) { |
| DCHECK( |
| !is_in_gesture_scroll_[static_cast<int>(gesture_event.SourceDevice())]); |
| is_in_gesture_scroll_[static_cast<int>(gesture_event.SourceDevice())] = |
| true; |
| } else if (gesture_event.GetType() == |
| blink::WebInputEvent::kGestureScrollEnd) { |
| DCHECK( |
| is_in_gesture_scroll_[static_cast<int>(gesture_event.SourceDevice())]); |
| is_in_gesture_scroll_[static_cast<int>(gesture_event.SourceDevice())] = |
| false; |
| is_in_touchpad_gesture_fling_ = false; |
| if (view_) |
| view_->set_is_currently_scrolling_viewport(false); |
| } else if (gesture_event.GetType() == |
| blink::WebInputEvent::kGestureFlingStart) { |
| if (gesture_event.SourceDevice() == blink::WebGestureDevice::kTouchpad) { |
| // 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_[static_cast<int>( |
| gesture_event.SourceDevice())]); |
| |
| // 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_[static_cast<int>(gesture_event.SourceDevice())] = |
| false; |
| } |
| // a GSB event is generated from the first wheel event in a sequence after |
| // the event is acked as not consumed by the renderer. Sometimes when the |
| // main thread is busy/slow (e.g ChromeOS debug builds) a GFS arrives |
| // before the first wheel is acked. In these cases no GSB will arrive |
| // before the GFS. With browser side fling the out of order GFS arrival |
| // does not need a DCHECK since the fling controller will process the GFS |
| // and start queuing wheel events which will follow the one currently |
| // awaiting ACK and the renderer receives the events in order. |
| |
| is_in_touchpad_gesture_fling_ = true; |
| } else { |
| DCHECK(is_in_gesture_scroll_[static_cast<int>( |
| gesture_event.SourceDevice())]); |
| |
| // The FlingController handles GFS with touchscreen source and sends GSU |
| // events with inertial state to the renderer to progress the fling. |
| // is_in_gesture_scroll must stay true till the fling progress is |
| // finished. Then the FlingController will generate and send a GSE which |
| // shows the end of a scroll sequence and resets is_in_gesture_scroll_. |
| } |
| } |
| |
| // 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_[static_cast<int>(gesture_event.SourceDevice())]; |
| |
| // 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 |IsIgnoringInputEvents()| 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::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); |
| 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) { |
| DCHECK(WebInputEvent::IsKeyboardEventType(key_event.GetType())); |
| |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent"); |
| if (owner_delegate_ && |
| !owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) { |
| return; |
| } |
| |
| if (IsIgnoringInputEvents()) |
| return; |
| |
| if (!process_->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::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. |
| 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; |
| } |
| |
| auto* touch_emulator = GetExistingTouchEmulator(); |
| 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. |
| // WidgetInputHandler::SetEditCommandsForNextKeyEvent should only be sent if |
| // WidgetInputHandler::DispatchEvent 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, |
| base::BindOnce(&RenderWidgetHostImpl::OnKeyboardEventAck, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| void RenderWidgetHostImpl::CreateSyntheticGestureControllerIfNecessary() { |
| if (!synthetic_gesture_controller_ && view_) { |
| synthetic_gesture_controller_ = |
| std::make_unique<SyntheticGestureController>( |
| this, view_->CreateSyntheticGestureTarget()); |
| } |
| } |
| |
| 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::TakeSyntheticGestureController( |
| RenderWidgetHostImpl* host) { |
| DCHECK(!synthetic_gesture_controller_); |
| if (host->synthetic_gesture_controller_) { |
| synthetic_gesture_controller_ = |
| std::move(host->synthetic_gesture_controller_); |
| synthetic_gesture_controller_->UpdateSyntheticGestureTarget( |
| view_->CreateSyntheticGestureTarget(), this); |
| } |
| } |
| |
| 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 WidgetMsg_ShowContextMenu(GetRoutingID(), source_type, point)); |
| } |
| |
| void RenderWidgetHostImpl::OnCursorVisibilityStateChanged(bool is_visible) { |
| GetWidgetInputHandler()->CursorVisibilityChanged(is_visible); |
| } |
| |
| void RenderWidgetHostImpl::OnFallbackCursorModeToggled(bool is_on) { |
| GetWidgetInputHandler()->FallbackCursorModeToggled(is_on); |
| } |
| |
| // static |
| void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() { |
| g_check_for_pending_visual_properties_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] == 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] == 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::AddObserver(RenderWidgetHostObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void RenderWidgetHostImpl::RemoveObserver(RenderWidgetHostObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| void RenderWidgetHostImpl::GetScreenInfo(ScreenInfo* result) { |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetScreenInfo"); |
| if (view_) |
| view_->GetScreenInfo(result); |
| else |
| DisplayUtil::GetDefaultScreenInfo(result); |
| |
| if (display::Display::HasForceRasterColorProfile()) |
| result->color_space = display::Display::GetForcedRasterColorProfile(); |
| |
| // 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) { |
| SetCursor(WebCursor(cursor_info)); |
| } |
| |
| RenderProcessHost::Priority RenderWidgetHostImpl::GetPriority() { |
| RenderProcessHost::Priority priority = { |
| is_hidden_, |
| frame_depth_, |
| intersects_viewport_, |
| #if defined(OS_ANDROID) |
| importance_, |
| #endif |
| }; |
| if (owner_delegate_ && |
| !owner_delegate_->ShouldContributePriorityToProcess()) { |
| priority.is_hidden = true; |
| priority.frame_depth = RenderProcessHostImpl::kMaxFrameDepthForPriority; |
| #if defined(OS_ANDROID) |
| priority.importance = ChildProcessImportance::NORMAL; |
| #endif |
| } |
| return priority; |
| } |
| |
| void RenderWidgetHostImpl::RenderProcessExited( |
| RenderProcessHost* host, |
| const ChildProcessTerminationInfo& info) { |
| // When the RenderViewHost or the RenderFrameHost own this instance, they |
| // manage its destruction. Otherwise it is owned by the renderer process and |
| // must self-destroy when it exits. |
| if (!owner_delegate_ && !owned_by_render_frame_host_) |
| Destroy(true); |
| } |
| |
| mojom::WidgetInputHandler* RenderWidgetHostImpl::GetWidgetInputHandler() { |
| if (associated_widget_input_handler_) |
| return associated_widget_input_handler_.get(); |
| if (widget_input_handler_) |
| return widget_input_handler_.get(); |
| // TODO(dtapuska): Remove the need for the unbound interface. It is |
| // possible that a RVHI may make calls to a WidgetInputHandler when |
| // the main frame is remote. This is because of ordering issues during |
| // widget shutdown, so we present an UnboundWidgetInputHandler had |
| // DLOGS the message calls. |
| return g_unbound_input_handler.Pointer(); |
| } |
| |
| 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). |
| SynchronizeVisualProperties(); |
| |
| // The device scale factor will be same for all the views contained by the |
| // MainFrame, so just set it once. |
| if (delegate_ && !delegate_->IsWidgetForMainFrame(this)) |
| return; |
| |
| // The delegate may not have an input event router in tests. |
| if (auto* touch_emulator = GetExistingTouchEmulator()) |
| 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))); |
| Send(new WidgetMsg_ForceRedraw(GetRoutingID(), snapshot_id)); |
| 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 |
| // TODO(nzolghadr): Remove the duplication here and the if block just above. |
| pending_browser_snapshots_.insert( |
| std::make_pair(snapshot_id, std::move(callback))); |
| Send(new WidgetMsg_ForceRedraw(GetRoutingID(), snapshot_id)); |
| } |
| |
| 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 WidgetHostMsg_SelectionBounds_Params& params) { |
| if (view_) |
| view_->SelectionBoundsChanged(params); |
| } |
| |
| 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_->OnUpdateDragCursor()) |
| return; |
| |
| RenderViewHostDelegateView* view = delegate_->GetDelegateView(); |
| if (view) |
| view->UpdateDragCursor(current_op); |
| } |
| |
| void RenderWidgetHostImpl::OnFrameSwapMessagesReceived( |
| uint32_t frame_token, |
| std::vector<IPC::Message> messages) { |
| frame_token_message_queue_->OnFrameSwapMessagesReceived(frame_token, |
| std::move(messages)); |
| } |
| |
| void RenderWidgetHostImpl::OnForceRedrawComplete(int snapshot_id) { |
| #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::BindOnce(&RenderWidgetHostImpl::WindowSnapshotReachedScreen, |
| weak_factory_.GetWeakPtr(), snapshot_id), |
| TimeDelta::FromSecondsD(1. / 6)); |
| #else |
| WindowSnapshotReachedScreen(snapshot_id); |
| #endif |
| } |
| |
| void RenderWidgetHostImpl::OnFirstVisuallyNonEmptyPaint() { |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetDidFirstVisuallyNonEmptyPaint(); |
| } |
| |
| void RenderWidgetHostImpl::RendererExited() { |
| 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. |
| ResetSentVisualProperties(); |
| // 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_) |
| process_->UpdateClientPriority(this); |
| } |
| |
| // Reset this to ensure the hung renderer mechanism is working properly. |
| in_flight_event_count_ = 0; |
| StopInputEventAckTimeout(); |
| |
| if (view_) { |
| view_->RenderProcessGone(); |
| 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(); |
| |
| frame_token_message_queue_->Reset(); |
| } |
| |
| void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) { |
| text_direction_updated_ = true; |
| text_direction_ = direction; |
| } |
| |
| void RenderWidgetHostImpl::NotifyTextDirection() { |
| if (!text_direction_updated_) |
| return; |
| Send(new WidgetMsg_SetTextDirection(GetRoutingID(), text_direction_)); |
| text_direction_updated_ = 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, |
| base::OnceClosure()); |
| } |
| |
| 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; |
| mouse_lock_raw_movement_ = false; |
| Send(new WidgetMsg_LockMouse_ACK(routing_id_, false)); |
| } else if (IsMouseLocked()) { |
| view_->UnlockMouse(); |
| } |
| } |
| |
| bool RenderWidgetHostImpl::IsKeyboardLocked() const { |
| return view_ ? view_->IsKeyboardLocked() : false; |
| } |
| |
| void RenderWidgetHostImpl::GetContentRenderingTimeoutFrom( |
| RenderWidgetHostImpl* other) { |
| if (other->new_content_rendering_timeout_ && |
| other->new_content_rendering_timeout_->IsRunning()) { |
| new_content_rendering_timeout_->Start( |
| other->new_content_rendering_timeout_->GetCurrentDelay()); |
| } |
| } |
| |
| 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); |
| |
| // 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 != INPUT_EVENT_ACK_STATE_CONSUMED && !is_hidden()) |
| delegate_->HandleMouseEvent(mouse_event.event); |
| } |
| |
| bool RenderWidgetHostImpl::IsMouseLocked() const { |
| return view_ ? view_->IsMouseLocked() : false; |
| } |
| |
| void RenderWidgetHostImpl::SetVisualPropertiesFromParentFrame( |
| float page_scale_factor, |
| bool is_pinch_gesture_active, |
| const gfx::Rect& compositor_viewport) { |
| properties_from_parent_frame_.page_scale_factor = page_scale_factor; |
| properties_from_parent_frame_.is_pinch_gesture_active = |
| is_pinch_gesture_active; |
| properties_from_parent_frame_.compositor_viewport = compositor_viewport; |
| } |
| |
| 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; |
| |
| for (auto& observer : observers_) |
| observer.RenderWidgetHostDestroyed(this); |
| 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(); |
| } |
| |
| // The display compositor has ownership of shared memory for each |
| // SharedBitmapId that has been reported from the client. Since the client is |
| // gone that memory can be freed. If we don't then it would leak. |
| if (shared_bitmap_manager_) { |
| for (const auto& id : owned_bitmaps_) |
| shared_bitmap_manager_->ChildDeletedSharedBitmap(id); |
| } else { |
| // If the display compositor is not in the browser process, then the |
| // |bitmap_manager| is not present in the process either, and no bitmaps |
| // should have been registered with this class. |
| DCHECK(owned_bitmaps_.empty()); |
| } |
| |
| render_process_blocked_state_changed_subscription_.reset(); |
| process_->RemovePriorityClient(this); |
| process_->RemoveObserver(this); |
| process_->RemoveRoute(routing_id_); |
| g_routing_id_widget_map.Get().erase( |
| RenderWidgetHostID(process_->GetID(), 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(!owner_delegate_); |
| delete this; |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnInputEventAckTimeout() { |
| RendererIsUnresponsive(base::BindRepeating( |
| &RenderWidgetHostImpl::RestartInputEventAckTimeoutIfNecessary, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| void RenderWidgetHostImpl::RendererIsUnresponsive( |
| base::RepeatingClosure restart_hang_monitor_timeout) { |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_HOST_HANG, |
| Source<RenderWidgetHost>(this), |
| NotificationService::NoDetails()); |
| is_unresponsive_ = true; |
| |
| 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::ClearDisplayedGraphics() { |
| NotifyNewContentRenderingTimeoutForTesting(); |
| if (view_) |
| view_->ResetFallbackToFirstNavigationSurface(); |
| } |
| |
| 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); |
| |
| bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result); |
| |
| // The view may be destroyed by the time we get this ack, as is the case with |
| // portal activations. |
| if (!processed && GetView()) |
| processed = GetView()->OnUnconsumedKeyboardEventAck(event); |
| |
| // 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::OnClose() { |
| if (owner_delegate_) { |
| owner_delegate_->RenderWidgetDidClose(); |
| } else { |
| 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::OnRequestSetBounds(const gfx::Rect& bounds) { |
| if (owner_delegate_) { |
| owner_delegate_->RequestSetBounds(bounds); |
| } else if (view_) { |
| view_->SetBounds(bounds); |
| } |
| Send(new WidgetMsg_SetBounds_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::DidAllocateSharedBitmap( |
| base::ReadOnlySharedMemoryRegion region, |
| const viz::SharedBitmapId& id) { |
| if (!shared_bitmap_manager_->ChildAllocatedSharedBitmap(region.Map(), id)) { |
| bad_message::ReceivedBadMessage(GetProcess(), |
| bad_message::RWH_SHARED_BITMAP); |
| } |
| owned_bitmaps_.insert(id); |
| } |
| |
| void RenderWidgetHostImpl::DidDeleteSharedBitmap( |
| const viz::SharedBitmapId& id) { |
| shared_bitmap_manager_->ChildDeletedSharedBitmap(id); |
| owned_bitmaps_.erase(id); |
| } |
| |
| void RenderWidgetHostImpl::DidUpdateVisualProperties( |
| const cc::RenderFrameMetadata& metadata) { |
| TRACE_EVENT_WITH_FLOW1( |
| "renderer_host,disabled-by-default-viz.surface_id_flow", |
| "RenderWidgetHostImpl::DidUpdateVisualProperties", |
| metadata.local_surface_id_allocation && |
| metadata.local_surface_id_allocation->IsValid() |
| ? metadata.local_surface_id_allocation->local_surface_id() |
| .submission_trace_id() + |
| metadata.local_surface_id_allocation->local_surface_id() |
| .embed_trace_id() |
| : 0, |
| TRACE_EVENT_FLAG_FLOW_IN, "local_surface_id_allocation", |
| metadata.local_surface_id_allocation |
| ? metadata.local_surface_id_allocation->ToString() |
| : "null"); |
| |
| // Update our knowledge of the RenderWidget's size. |
| DCHECK(!metadata.viewport_size_in_pixels.IsEmpty()); |
| |
| visual_properties_ack_pending_ = false; |
| |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_VISUAL_PROPERTIES, |
| Source<RenderWidgetHost>(this), NotificationService::NoDetails()); |
| |
| 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); |
| } |
| } |
| |
| // static |
| bool RenderWidgetHostImpl::DidVisualPropertiesSizeChange( |
| const VisualProperties& old_visual_properties, |
| const 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 != new_visual_properties.new_size || |
| (old_visual_properties.compositor_viewport_pixel_rect.IsEmpty() && |
| !new_visual_properties.compositor_viewport_pixel_rect.IsEmpty()))); |
| } |
| |
| // static |
| bool RenderWidgetHostImpl::DoesVisualPropertiesNeedAck( |
| const std::unique_ptr<VisualProperties>& old_visual_properties, |
| const 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.IsEmpty() && |
| !new_visual_properties.compositor_viewport_pixel_rect.IsEmpty() && |
| new_visual_properties.local_surface_id_allocation; |
| |
| // 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<VisualProperties>& old_visual_properties, |
| const 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 LocalSurfaceIdAllocation in a local variable otherwise the |
| // LocalSurfaceId may become invalid when used later. |
| viz::LocalSurfaceIdAllocation old_parent_local_surface_id_allocation = |
| old_visual_properties->local_surface_id_allocation.value_or( |
| viz::LocalSurfaceIdAllocation()); |
| viz::LocalSurfaceIdAllocation new_parent_local_surface_id_allocation = |
| new_visual_properties.local_surface_id_allocation.value_or( |
| viz::LocalSurfaceIdAllocation()); |
| |
| const viz::LocalSurfaceId& old_parent_local_surface_id = |
| old_parent_local_surface_id_allocation.local_surface_id(); |
| const viz::LocalSurfaceId& new_parent_local_surface_id = |
| new_parent_local_surface_id_allocation.local_surface_id(); |
| |
| 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; |
| |
| return zoom_changed || size_changed || parent_local_surface_id_changed || |
| old_visual_properties->screen_info != |
| new_visual_properties.screen_info || |
| old_visual_properties->compositor_viewport_pixel_rect != |
| new_visual_properties.compositor_viewport_pixel_rect || |
| 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->top_controls_height != |
| new_visual_properties.top_controls_height || |
| old_visual_properties->browser_controls_shrink_blink_size != |
| new_visual_properties.browser_controls_shrink_blink_size || |
| old_visual_properties->bottom_controls_height != |
| new_visual_properties.bottom_controls_height || |
| old_visual_properties->visible_viewport_size != |
| new_visual_properties.visible_viewport_size || |
| 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->is_pinch_gesture_active != |
| new_visual_properties.is_pinch_gesture_active; |
| } |
| |
| void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) { |
| SetCursor(cursor); |
| } |
| |
| void RenderWidgetHostImpl::OnAutoscrollStart(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::OnAutoscrollFling(const gfx::Vector2dF& velocity) { |
| DCHECK(autoscroll_in_progress_); |
| if (!sent_autoscroll_scroll_begin_ && velocity != gfx::Vector2dF()) { |
| // Send a GSB event with valid delta hints. |
| WebGestureEvent scroll_begin = SyntheticWebGestureEventBuilder::Build( |
| WebInputEvent::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(); |
| |
| ForwardGestureEventWithLatencyInfo( |
| scroll_begin, ui::LatencyInfo(ui::SourceEventType::OTHER)); |
| sent_autoscroll_scroll_begin_ = true; |
| } |
| |
| WebGestureEvent event = SyntheticWebGestureEventBuilder::Build( |
| WebInputEvent::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(); |
| |
| ForwardGestureEventWithLatencyInfo( |
| event, ui::LatencyInfo(ui::SourceEventType::OTHER)); |
| } |
| |
| void RenderWidgetHostImpl::OnAutoscrollEnd() { |
| 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 = SyntheticWebGestureEventBuilder::Build( |
| WebInputEvent::kGestureFlingCancel, |
| blink::WebGestureDevice::kSyntheticAutoscroll); |
| cancel_event.data.fling_cancel.prevent_boosting = true; |
| cancel_event.SetPositionInWidget(autoscroll_start_position_); |
| |
| ForwardGestureEventWithLatencyInfo( |
| cancel_event, ui::LatencyInfo(ui::SourceEventType::OTHER)); |
| } |
| |
| bool RenderWidgetHostImpl::IsAutoscrollInProgress() { |
| return autoscroll_in_progress_; |
| } |
| |
| TouchEmulator* RenderWidgetHostImpl::GetTouchEmulator() { |
| if (!delegate_ || !delegate_->GetInputEventRouter()) |
| return nullptr; |
| |
| return delegate_->GetInputEventRouter()->GetTouchEmulator(); |
| } |
| |
| TouchEmulator* RenderWidgetHostImpl::GetExistingTouchEmulator() { |
| if (!delegate_ || !delegate_->GetInputEventRouter() || |
| !delegate_->GetInputEventRouter()->has_touch_emulator()) { |
| return nullptr; |
| } |
| |
| return delegate_->GetInputEventRouter()->GetTouchEmulator(); |
| } |
| |
| void RenderWidgetHostImpl::OnTextInputStateChanged( |
| const TextInputState& params) { |
| if (delegate_ && delegate_->GetInputEventShim()) { |
| delegate_->GetInputEventShim()->DidTextInputStateChange(params); |
| return; |
| } |
| |
| 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(); |
| } |
| |
| bool RenderWidgetHostImpl::IsWheelScrollInProgress() { |
| return is_in_gesture_scroll_[static_cast<int>( |
| blink::WebGestureDevice::kTouchpad)]; |
| } |
| |
| void RenderWidgetHostImpl::SetMouseCapture(bool capture) { |
| if (!delegate_ || !delegate_->GetInputEventRouter()) |
| return; |
| |
| delegate_->GetInputEventRouter()->SetMouseCaptureTarget(GetView(), capture); |
| } |
| |
| void RenderWidgetHostImpl::FallbackCursorModeLockCursor(bool left, |
| bool right, |
| bool up, |
| bool down) { |
| GetView()->FallbackCursorModeLockCursor(left, right, up, down); |
| } |
| |
| void RenderWidgetHostImpl::FallbackCursorModeSetCursorVisibility(bool visible) { |
| GetView()->FallbackCursorModeSetCursorVisibility(visible); |
| } |
| |
| void RenderWidgetHostImpl::OnInvalidFrameToken(uint32_t frame_token) { |
| bad_message::ReceivedBadMessage(GetProcess(), |
| bad_message::RWH_INVALID_FRAME_TOKEN); |
| } |
| |
| void RenderWidgetHostImpl::OnMessageDispatchError(const IPC::Message& message) { |
| RenderProcessHost* rph = GetProcess(); |
| rph->OnBadMessageReceived(message); |
| } |
| |
| void RenderWidgetHostImpl::OnProcessSwapMessage(const IPC::Message& message) { |
| RenderProcessHost* rph = GetProcess(); |
| rph->OnMessageReceived(message); |
| } |
| |
| void RenderWidgetHostImpl::OnLockMouse(bool user_gesture, |
| bool privileged, |
| bool request_unadjusted_movement) { |
| if (delegate_ && delegate_->GetInputEventShim()) { |
| delegate_->GetInputEventShim()->DidLockMouse(user_gesture, privileged); |
| return; |
| } |
| |
| if (pending_mouse_lock_request_) { |
| Send(new WidgetMsg_LockMouse_ACK(routing_id_, false)); |
| return; |
| } |
| |
| pending_mouse_lock_request_ = true; |
| mouse_lock_raw_movement_ = request_unadjusted_movement; |
| 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() { |
| if (delegate_ && delegate_->GetInputEventShim()) { |
| delegate_->GetInputEventShim()->DidUnlockMouse(); |
| return; |
| } |
| |
| // 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; |
| } |
| |
| bool RenderWidgetHostImpl::RequestKeyboardLock( |
| base::Optional<base::flat_set<ui::DomCode>> codes) { |
| if (!delegate_) { |
| CancelKeyboardLock(); |
| return false; |
| } |
| |
| DCHECK(!codes.has_value() || !codes.value().empty()); |
| keyboard_keys_to_lock_ = std::move(codes); |
| keyboard_lock_requested_ = true; |
| |
| const bool esc_requested = |
| !keyboard_keys_to_lock_.has_value() || |
| base::Contains(keyboard_keys_to_lock_.value(), ui::DomCode::ESCAPE); |
| |
| if (!delegate_->RequestKeyboardLock(this, esc_requested)) { |
| CancelKeyboardLock(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::CancelKeyboardLock() { |
| if (delegate_) |
| delegate_->CancelKeyboardLock(this); |
| |
| UnlockKeyboard(); |
| |
| keyboard_lock_allowed_ = false; |
| keyboard_lock_requested_ = false; |
| keyboard_keys_to_lock_.reset(); |
| } |
| |
| base::flat_map<std::string, std::string> |
| RenderWidgetHostImpl::GetKeyboardLayoutMap() { |
| if (!view_) |
| return {}; |
| return view_->GetKeyboardLayoutMap(); |
| } |
| |
| 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 (IsIgnoringInputEvents() && event.GetType() != WebInputEvent::kTouchCancel) |
| return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
| |
| if (!process_->IsInitializedAndNotDead()) |
| return INPUT_EVENT_ACK_STATE_UNKNOWN; |
| |
| if (delegate_) { |
| if (event.GetType() == WebInputEvent::kMouseDown || |
| event.GetType() == WebInputEvent::kTouchStart || |
| event.GetType() == WebInputEvent::kGestureTap) { |
| delegate_->FocusOwningWebContents(this); |
| } |
| delegate_->DidReceiveInputEvent(this, event.GetType()); |
| } |
| |
| return view_ ? view_->FilterInputEvent(event) |
| : INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| void RenderWidgetHostImpl::IncrementInFlightEventCount() { |
| ++in_flight_event_count_; |
| if (!is_hidden_) |
| StartInputEventAckTimeout(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. |
| StopInputEventAckTimeout(); |
| } else { |
| // Only restart the hang monitor timer if we got a response from the |
| // main thread. |
| if (ack_source == InputEventAckSource::MAIN_THREAD) |
| RestartInputEventAckTimeoutIfNecessary(); |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnHasTouchEventHandlers(bool has_handlers) { |
| if (delegate_ && delegate_->GetInputEventShim()) { |
| delegate_->GetInputEventShim()->DidSetHasTouchEventHandlers(has_handlers); |
| return; |
| } |
| |
| input_router_->OnHasTouchEventHandlers(has_handlers); |
| has_touch_handler_ = has_handlers; |
| } |
| |
| void RenderWidgetHostImpl::OnIntrinsicSizingInfoChanged( |
| blink::WebIntrinsicSizingInfo info) { |
| if (view_) |
| view_->UpdateIntrinsicSizingInfo(info); |
| } |
| |
| 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::DidStartScrollingViewport() { |
| if (view_) |
| view_->set_is_currently_scrolling_viewport(true); |
| } |
| void RenderWidgetHostImpl::SetNeedsBeginFrameForFlingProgress() { |
| browser_fling_needs_begin_frame_ = true; |
| SetNeedsBeginFrame(true); |
| } |
| |
| void RenderWidgetHostImpl::AddPendingUserActivation( |
| const WebInputEvent& event) { |
| if (base::FeatureList::IsEnabled(features::kBrowserVerifiedUserActivation) && |
| (event.GetType() == WebInputEvent::kMouseDown || |
| event.GetType() == WebInputEvent::kKeyDown || |
| event.GetType() == WebInputEvent::kRawKeyDown)) { |
| pending_user_activation_timer_.Start( |
| FROM_HERE, kActivationNotificationExpireTime, |
| base::BindOnce(&RenderWidgetHostImpl::ClearPendingUserActivation, |
| base::Unretained(this))); |
| pending_user_activation_counter_++; |
| } |
| } |
| |
| void RenderWidgetHostImpl::ClearPendingUserActivation() { |
| pending_user_activation_counter_ = 0; |
| pending_user_activation_timer_.Stop(); |
| } |
| |
| bool RenderWidgetHostImpl::ConsumePendingUserActivationIfAllowed() { |
| if (pending_user_activation_counter_ > 0) { |
| pending_user_activation_counter_--; |
| return true; |
| } |
| return false; |
| } |
| |
| void RenderWidgetHostImpl::DispatchInputEventWithLatencyInfo( |
| const blink::WebInputEvent& event, |
| ui::LatencyInfo* latency) { |
| latency_tracker_.OnInputEvent(event, latency); |
| AddPendingUserActivation(event); |
| for (auto& observer : input_event_observers_) |
| observer.OnInputEvent(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 the TouchEmulator didn't exist when this GestureEvent was sent, we |
| // shouldn't create it here. |
| if (auto* touch_emulator = GetExistingTouchEmulator()) |
| touch_emulator->OnGestureEventAck(event.event, GetView()); |
| |
| 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); |
| |
| auto* input_event_router = |
| delegate() ? delegate()->GetInputEventRouter() : nullptr; |
| |
| // At present interstitial pages might not have an input event router, so we |
| // just have the view process the ack directly in that case; the view is |
| // guaranteed to be a top-level view with an appropriate implementation of |
| // ProcessAckedTouchEvent(). |
| if (input_event_router) |
| input_event_router->ProcessAckedTouchEvent(event, ack_result, view_.get()); |
| else if (view_) |
| view_->ProcessAckedTouchEvent(event, ack_result); |
| } |
| |
| bool RenderWidgetHostImpl::IsIgnoringInputEvents() const { |
| return process_->IsBlocked() || !delegate_ || |
| delegate_->ShouldIgnoreInputEvents(); |
| } |
| |
| 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(mouse_lock_raw_movement_)) { |
| Send(new WidgetMsg_LockMouse_ACK(routing_id_, false)); |
| return false; |
| } |
| |
| Send(new WidgetMsg_LockMouse_ACK(routing_id_, true)); |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::GotResponseToKeyboardLockRequest(bool allowed) { |
| DCHECK(keyboard_lock_requested_); |
| keyboard_lock_allowed_ = allowed; |
| |
| if (keyboard_lock_allowed_) |
| LockKeyboard(); |
| else |
| UnlockKeyboard(); |
| } |
| |
| void RenderWidgetHostImpl::DetachDelegate() { |
| delegate_ = nullptr; |
| latency_tracker_.reset_delegate(); |
| } |
| |
| void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) { |
| DCHECK(base::MessageLoopCurrentForUI::IsSet()); |
| |
| 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()) { |
| #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::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 defined(OS_MACOSX) |
| if (pending_browser_snapshots_.empty()) |
| GetWakeLock()->CancelWakeLock(); |
| #endif |
| } |
| |
| 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( |
| mojo::PendingReceiver<viz::mojom::CompositorFrameSink> |
| compositor_frame_sink_receiver, |
| mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient> |
| compositor_frame_sink_client) { |
| if (enable_viz_) { |
| // 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. |
| auto callback = base::BindOnce( |
| [](viz::HostFrameSinkManager* manager, |
| mojo::PendingReceiver<viz::mojom::CompositorFrameSink> receiver, |
| mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient> client, |
| const viz::FrameSinkId& frame_sink_id) { |
| manager->CreateCompositorFrameSink( |
| frame_sink_id, std::move(receiver), std::move(client)); |
| }, |
| base::Unretained(GetHostFrameSinkManager()), |
| std::move(compositor_frame_sink_receiver), |
| std::move(compositor_frame_sink_client)); |
| |
| if (view_) |
| std::move(callback).Run(view_->GetFrameSinkId()); |
| else |
| create_frame_sink_callback_ = std::move(callback); |
| |
| return; |
| } |
| |
| // Consider any bitmaps registered with the old CompositorFrameSink as gone, |
| // they will be re-registered on the newly requested CompositorFrameSink if |
| // they are meant to be used still. https://crbug.com/862584. |
| for (const auto& id : owned_bitmaps_) |
| shared_bitmap_manager_->ChildDeletedSharedBitmap(id); |
| owned_bitmaps_.clear(); |
| |
| compositor_frame_sink_receiver_.reset(); |
| compositor_frame_sink_receiver_.Bind( |
| std::move(compositor_frame_sink_receiver), |
| BrowserMainLoop::GetInstance()->GetResizeTaskRunner()); |
| |
| renderer_compositor_frame_sink_.reset(); |
| renderer_compositor_frame_sink_.Bind(std::move(compositor_frame_sink_client)); |
| auto* compositor_frame_sink_client_ptr = |
| renderer_compositor_frame_sink_.get(); |
| |
| if (view_) { |
| view_->DidCreateNewRendererCompositorFrameSink( |
| compositor_frame_sink_client_ptr); |
| } |
| } |
| |
| void RenderWidgetHostImpl::RegisterRenderFrameMetadataObserver( |
| mojo::PendingReceiver<mojom::RenderFrameMetadataObserverClient> |
| render_frame_metadata_observer_client_receiver, |
| mojo::PendingRemote<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()); |
| while (RenderWidgetHost* child = child_widgets->GetNextHost()) { |
| auto* child_impl = static_cast<RenderWidgetHostImpl*>(child); |
| if (!child_impl->HasGestureStopped()) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::SetNeedsBeginFrame(bool needs_begin_frames) { |
| if (needs_begin_frames_ == needs_begin_frames) |
| return; |
| |
| needs_begin_frames_ = needs_begin_frames || browser_fling_needs_begin_frame_; |
| if (view_) |
| view_->SetNeedsBeginFrames(needs_begin_frames_); |
| } |
| |
| void RenderWidgetHostImpl::SetWantsAnimateOnlyBeginFrames() { |
| if (view_) |
| view_->SetWantsAnimateOnlyBeginFrames(); |
| } |
| |
| void RenderWidgetHostImpl::SubmitCompositorFrameSync( |
| const viz::LocalSurfaceId& local_surface_id, |
| viz::CompositorFrame frame, |
| base::Optional<viz::HitTestRegionList> hit_test_region_list, |
| uint64_t submit_time, |
| const SubmitCompositorFrameSyncCallback callback) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void RenderWidgetHostImpl::SubmitCompositorFrame( |
| const viz::LocalSurfaceId& local_surface_id, |
| viz::CompositorFrame frame, |
| base::Optional<viz::HitTestRegionList> hit_test_region_list, |
| uint64_t submit_time) { |
| if (view_) { |
| // If Surface Synchronization is on, then |new_content_rendering_timeout_| |
| // is stopped in DidReceiveFirstFrameAfterNavigation. |
| view_->SubmitCompositorFrame(local_surface_id, std::move(frame), |
| std::move(hit_test_region_list)); |
| view_->DidReceiveRendererFrame(); |
| } else { |
| std::vector<viz::ReturnedResource> resources = |
| viz::TransferableResource::ReturnResources(frame.resource_list); |
| renderer_compositor_frame_sink_->DidReceiveCompositorFrameAck(resources); |
| } |
| } |
| |
| void RenderWidgetHostImpl::DidProcessFrame(uint32_t frame_token) { |
| frame_token_message_queue_->DidProcessFrame(frame_token); |
| } |
| |
| #if defined(OS_MACOSX) |
| device::mojom::WakeLock* RenderWidgetHostImpl::GetWakeLock() { |
| // Here is a lazy binding, and will not reconnect after connection error. |
| if (!wake_lock_) { |
| mojo::PendingReceiver<device::mojom::WakeLock> receiver = |
| wake_lock_.BindNewPipeAndPassReceiver(); |
| // In some testing contexts, the system Connector isn't3 initialized. |
| if (GetSystemConnector()) { |
| mojo::Remote<device::mojom::WakeLockProvider> wake_lock_provider; |
| GetSystemConnector()->Connect( |
| device::mojom::kServiceName, |
| wake_lock_provider.BindNewPipeAndPassReceiver()); |
| wake_lock_provider->GetWakeLockWithoutContext( |
| device::mojom::WakeLockType::kPreventDisplaySleep, |
| device::mojom::WakeLockReason::kOther, "GetSnapshot", |
| std::move(receiver)); |
| } |
| } |
| return wake_lock_.get(); |
| } |
| #endif |
| |
| void RenderWidgetHostImpl::SetupInputRouter() { |
| in_flight_event_count_ = 0; |
| StopInputEventAckTimeout(); |
| associated_widget_input_handler_.reset(); |
| widget_input_handler_.reset(); |
| |
| input_router_ = std::make_unique<InputRouterImpl>( |
| this, this, fling_scheduler_.get(), GetInputRouterConfigForPlatform()); |
| |
| // input_router_ recreated, need to update the force_enable_zoom_ state. |
| input_router_->SetForceEnableZoom(force_enable_zoom_); |
| |
| if (IsUseZoomForDSFEnabled()) { |
| input_router_->SetDeviceScaleFactor(GetScaleFactorForView(view_.get())); |
| } |
| } |
| |
| void RenderWidgetHostImpl::SetForceEnableZoom(bool enabled) { |
| force_enable_zoom_ = enabled; |
| input_router_->SetForceEnableZoom(enabled); |
| } |
| |
| void RenderWidgetHostImpl::SetFrameInputHandler( |
| mojom::FrameInputHandler* frame_input_handler) { |
| if (!frame_input_handler) |
| return; |
| frame_input_handler->GetWidgetInputHandler( |
| associated_widget_input_handler_.BindNewEndpointAndPassReceiver(), |
| input_router_->BindNewFrameHost()); |
| } |
| |
| void RenderWidgetHostImpl::SetInputTargetClient( |
| viz::mojom::InputTargetClientPtr input_target_client) { |
| input_target_client_ = std::move(input_target_client); |
| } |
| |
| void RenderWidgetHostImpl::SetWidget( |
| mojo::PendingRemote<mojom::Widget> widget_remote) { |
| if (widget_remote) { |
| // If we have a bound handler ensure that we destroy the old input router. |
| if (widget_input_handler_.is_bound()) |
| SetupInputRouter(); |
| |
| mojo::Remote<mojom::Widget> widget(std::move(widget_remote)); |
| widget->SetupWidgetInputHandler( |
| widget_input_handler_.BindNewPipeAndPassReceiver(), |
| input_router_->BindNewHost()); |
| } |
| } |
| |
| void RenderWidgetHostImpl::ProgressFlingIfNeeded(TimeTicks current_time) { |
| browser_fling_needs_begin_frame_ = false; |
| fling_scheduler_->ProgressFlingOnBeginFrameIfneeded(current_time); |
| } |
| |
| void RenderWidgetHostImpl::ForceFirstFrameAfterNavigationTimeout() { |
| if (!new_content_rendering_timeout_ || |
| !new_content_rendering_timeout_->IsRunning()) { |
| return; |
| } |
| new_content_rendering_timeout_->Stop(); |
| ClearDisplayedGraphics(); |
| } |
| |
| void RenderWidgetHostImpl::StopFling() { |
| input_router_->StopFling(); |
| } |
| |
| void RenderWidgetHostImpl::SetScreenOrientationForTesting( |
| uint16_t angle, |
| ScreenOrientationValues type) { |
| screen_orientation_angle_for_testing_ = angle; |
| screen_orientation_type_for_testing_ = type; |
| SynchronizeVisualProperties(); |
| } |
| |
| bool RenderWidgetHostImpl::LockKeyboard() { |
| if (!keyboard_lock_allowed_ || !is_focused_ || !view_) |
| return false; |
| |
| // 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. |
| base::Optional<base::flat_set<ui::DomCode>> copy = keyboard_keys_to_lock_; |
| return view_->LockKeyboard(std::move(copy)); |
| } |
| |
| void RenderWidgetHostImpl::UnlockKeyboard() { |
| if (IsKeyboardLocked()) |
| view_->UnlockKeyboard(); |
| } |
| |
| void RenderWidgetHostImpl::OnRenderFrameMetadataChangedBeforeActivation( |
| const cc::RenderFrameMetadata& metadata) {} |
| |
| void RenderWidgetHostImpl::OnRenderFrameMetadataChangedAfterActivation() { |
| bool is_mobile_optimized = |
| render_frame_metadata_provider_.LastRenderFrameMetadata() |
| .is_mobile_optimized; |
| input_router_->NotifySiteIsMobileOptimized(is_mobile_optimized); |
| if (auto* touch_emulator = GetExistingTouchEmulator()) |
| touch_emulator->SetDoubleTapSupportForPageEnabled(!is_mobile_optimized); |
| } |
| |
| void RenderWidgetHostImpl::OnLocalSurfaceIdChanged( |
| const cc::RenderFrameMetadata& metadata) { |
| DidUpdateVisualProperties(metadata); |
| } |
| |
| 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<RenderWidgetHostIterator> |
| RenderWidgetHostImpl::GetEmbeddedRenderWidgetHosts() { |
| // This iterates over all RenderWidgetHosts and returns those whose Views |
| // are children of this host's View. |
| auto hosts = std::make_unique<RenderWidgetHostIteratorImpl>(); |
| auto* parent_view = static_cast<RenderWidgetHostViewBase*>(GetView()); |
| 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)->GetParentView() == |
| parent_view) { |
| hosts->Add(widget); |
| } |
| } |
| |
| return std::move(hosts); |
| } |
| |
| 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) |
| transform_to_main_frame.TransformPoint(transformed_point); |
| |
| if (transformed_rect) { |
| gfx::RectF transformed_rect_f(*transformed_rect); |
| transform_to_main_frame.TransformRect(&transformed_rect_f); |
| *transformed_rect = gfx::ToEnclosingRect(transformed_rect_f); |
| } |
| |
| return true; |
| } |
| |
| } // namespace |
| |
| void RenderWidgetHostImpl::OnAnimateDoubleTapZoomInMainFrame( |
| 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->Send(new ViewMsg_AnimateDoubleTapZoom( |
| root_rvhi->GetRoutingID(), transformed_point, transformed_rect_to_zoom)); |
| } |
| |
| void RenderWidgetHostImpl::OnZoomToFindInPageRectInMainFrame( |
| 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->Send(new ViewMsg_ZoomToFindInPageRect(root_rvhi->GetRoutingID(), |
| transformed_rect_to_zoom)); |
| } |
| |
| } // namespace content |