| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/renderer_host/render_widget_host_impl.h" |
| |
| #include <math.h> |
| |
| #include <set> |
| #include <tuple> |
| #include <utility> |
| |
| #include "base/auto_reset.h" |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/i18n/rtl.h" |
| #include "base/lazy_instance.h" |
| #include "base/location.h" |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/task_scheduler/post_task.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/trace_event/trace_event.h" |
| #include "build/build_config.h" |
| #include "cc/base/switches.h" |
| #include "cc/output/compositor_frame.h" |
| #include "content/browser/accessibility/browser_accessibility_state_impl.h" |
| #include "content/browser/bad_message.h" |
| #include "content/browser/browser_plugin/browser_plugin_guest.h" |
| #include "content/browser/child_process_security_policy_impl.h" |
| #include "content/browser/gpu/compositor_util.h" |
| #include "content/browser/renderer_host/dip_util.h" |
| #include "content/browser/renderer_host/frame_metadata_util.h" |
| #include "content/browser/renderer_host/input/input_router_config_helper.h" |
| #include "content/browser/renderer_host/input/input_router_impl.h" |
| #include "content/browser/renderer_host/input/synthetic_gesture.h" |
| #include "content/browser/renderer_host/input/synthetic_gesture_controller.h" |
| #include "content/browser/renderer_host/input/synthetic_gesture_target.h" |
| #include "content/browser/renderer_host/input/timeout_monitor.h" |
| #include "content/browser/renderer_host/input/touch_emulator.h" |
| #include "content/browser/renderer_host/render_process_host_impl.h" |
| #include "content/browser/renderer_host/render_view_host_delegate.h" |
| #include "content/browser/renderer_host/render_view_host_delegate_view.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_helper.h" |
| #include "content/browser/renderer_host/render_widget_host_input_event_router.h" |
| #include "content/browser/renderer_host/render_widget_host_owner_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host_view_base.h" |
| #include "content/browser/service_worker/service_worker_context_wrapper.h" |
| #include "content/common/content_constants_internal.h" |
| #include "content/common/content_switches_internal.h" |
| #include "content/common/cursors/webcursor.h" |
| #include "content/common/drag_messages.h" |
| #include "content/common/frame_messages.h" |
| #include "content/common/host_shared_bitmap_manager.h" |
| #include "content/common/input_messages.h" |
| #include "content/common/resize_params.h" |
| #include "content/common/text_input_state.h" |
| #include "content/common/view_messages.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/native_web_keyboard_event.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/notification_types.h" |
| #include "content/public/browser/render_widget_host_iterator.h" |
| #include "content/public/browser/storage_partition.h" |
| #include "content/public/common/content_constants.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/public/common/result_codes.h" |
| #include "content/public/common/web_preferences.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| #include "gpu/command_buffer/service/gpu_switches.h" |
| #include "gpu/ipc/common/gpu_messages.h" |
| #include "net/base/filename_util.h" |
| #include "skia/ext/image_operations.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "storage/browser/fileapi/isolated_context.h" |
| #include "third_party/WebKit/public/web/WebCompositionUnderline.h" |
| #include "ui/base/clipboard/clipboard.h" |
| #include "ui/events/blink/web_input_event_traits.h" |
| #include "ui/events/event.h" |
| #include "ui/events/keycodes/keyboard_codes.h" |
| #include "ui/gfx/color_space.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| #include "ui/gfx/geometry/vector2d_conversions.h" |
| #include "ui/gfx/image/image.h" |
| #include "ui/gfx/image/image_skia.h" |
| #include "ui/gfx/skbitmap_operations.h" |
| #include "ui/snapshot/snapshot.h" |
| |
| #if defined(OS_ANDROID) |
| #include "ui/android/view_android.h" |
| #else |
| #include "content/browser/compositor/image_transport_factory.h" |
| // nogncheck as dependency of "ui/compositor" is on non-Android platforms only. |
| #include "ui/compositor/compositor.h" // nogncheck |
| #endif |
| |
| #if defined(OS_MACOSX) |
| #include "device/power_save_blocker/power_save_blocker.h" |
| #include "ui/accelerated_widget_mac/window_resize_helper_mac.h" |
| #endif |
| |
| using base::Time; |
| using base::TimeDelta; |
| using base::TimeTicks; |
| using blink::WebDragOperation; |
| using blink::WebDragOperationsMask; |
| using blink::WebGestureEvent; |
| using blink::WebInputEvent; |
| using blink::WebKeyboardEvent; |
| using blink::WebMouseEvent; |
| using blink::WebMouseWheelEvent; |
| using blink::WebTextDirection; |
| |
| namespace content { |
| namespace { |
| |
| bool g_check_for_pending_resize_ack = true; |
| |
| // <process id, routing id> |
| using RenderWidgetHostID = std::pair<int32_t, int32_t>; |
| using RoutingIDWidgetMap = |
| base::hash_map<RenderWidgetHostID, RenderWidgetHostImpl*>; |
| base::LazyInstance<RoutingIDWidgetMap> 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 = NULL; |
| 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.type() == blink::WebInputEvent::GestureScrollUpdate); |
| |
| blink::WebGestureEvent wrap_gesture_scroll_begin( |
| blink::WebInputEvent::GestureScrollBegin, gesture_event.modifiers(), |
| gesture_event.timeStampSeconds()); |
| wrap_gesture_scroll_begin.sourceDevice = gesture_event.sourceDevice; |
| wrap_gesture_scroll_begin.data.scrollBegin.deltaXHint = 0; |
| wrap_gesture_scroll_begin.data.scrollBegin.deltaYHint = 0; |
| wrap_gesture_scroll_begin.resendingPluginId = gesture_event.resendingPluginId; |
| wrap_gesture_scroll_begin.data.scrollBegin.deltaHintUnits = |
| gesture_event.data.scrollUpdate.deltaUnits; |
| |
| return wrap_gesture_scroll_begin; |
| } |
| |
| inline blink::WebGestureEvent CreateScrollEndForWrapping( |
| const blink::WebGestureEvent& gesture_event) { |
| DCHECK(gesture_event.type() == blink::WebInputEvent::GestureScrollUpdate); |
| |
| blink::WebGestureEvent wrap_gesture_scroll_end( |
| blink::WebInputEvent::GestureScrollEnd, gesture_event.modifiers(), |
| gesture_event.timeStampSeconds()); |
| wrap_gesture_scroll_end.sourceDevice = gesture_event.sourceDevice; |
| wrap_gesture_scroll_end.resendingPluginId = gesture_event.resendingPluginId; |
| wrap_gesture_scroll_end.data.scrollEnd.deltaUnits = |
| gesture_event.data.scrollUpdate.deltaUnits; |
| |
| return wrap_gesture_scroll_end; |
| } |
| |
| std::vector<DropData::Metadata> DropDataToMetaData(const DropData& drop_data) { |
| std::vector<DropData::Metadata> metadata; |
| if (!drop_data.text.is_null()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, |
| base::ASCIIToUTF16(ui::Clipboard::kMimeTypeText))); |
| } |
| |
| if (drop_data.url.is_valid()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, |
| base::ASCIIToUTF16(ui::Clipboard::kMimeTypeURIList))); |
| } |
| |
| if (!drop_data.html.is_null()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, |
| base::ASCIIToUTF16(ui::Clipboard::kMimeTypeHTML))); |
| } |
| |
| // On Aura, filenames are available before drop. |
| for (const auto& file_info : drop_data.filenames) { |
| if (!file_info.path.empty()) { |
| metadata.push_back(DropData::Metadata::CreateForFilePath(file_info.path)); |
| } |
| } |
| |
| // On Android, only files' mime types are available before drop. |
| for (const auto& mime_type : drop_data.file_mime_types) { |
| if (!mime_type.empty()) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::FILENAME, mime_type)); |
| } |
| } |
| |
| for (const auto& file_system_file : drop_data.file_system_files) { |
| if (!file_system_file.url.is_empty()) { |
| metadata.push_back( |
| DropData::Metadata::CreateForFileSystemUrl(file_system_file.url)); |
| } |
| } |
| |
| for (const auto& custom_data_item : drop_data.custom_data) { |
| metadata.push_back(DropData::Metadata::CreateForMimeType( |
| DropData::Kind::STRING, custom_data_item.first)); |
| } |
| |
| return metadata; |
| } |
| |
| } // namespace |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // RenderWidgetHostImpl |
| |
| RenderWidgetHostImpl::RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate, |
| RenderProcessHost* process, |
| int32_t routing_id, |
| bool hidden) |
| : renderer_initialized_(false), |
| destroyed_(false), |
| delegate_(delegate), |
| owner_delegate_(nullptr), |
| process_(process), |
| routing_id_(routing_id), |
| is_loading_(false), |
| is_hidden_(hidden), |
| repaint_ack_pending_(false), |
| resize_ack_pending_(false), |
| auto_resize_enabled_(false), |
| waiting_for_screen_rects_ack_(false), |
| needs_repainting_on_restore_(false), |
| is_unresponsive_(false), |
| in_flight_event_count_(0), |
| in_get_backing_store_(false), |
| ignore_input_events_(false), |
| text_direction_updated_(false), |
| text_direction_(blink::WebTextDirectionLeftToRight), |
| text_direction_canceled_(false), |
| suppress_events_until_keydown_(false), |
| pending_mouse_lock_request_(false), |
| allow_privileged_mouse_lock_(false), |
| has_touch_handler_(false), |
| is_in_touchpad_gesture_scroll_(false), |
| is_in_touchscreen_gesture_scroll_(false), |
| received_paint_after_load_(false), |
| latency_tracker_(), |
| next_browser_snapshot_id_(1), |
| owned_by_render_frame_host_(false), |
| is_focused_(false), |
| hung_renderer_delay_( |
| base::TimeDelta::FromMilliseconds(kHungRendererDelayMs)), |
| hang_monitor_reason_( |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_UNKNOWN), |
| hang_monitor_event_type_(blink::WebInputEvent::Undefined), |
| last_event_type_(blink::WebInputEvent::Undefined), |
| new_content_rendering_delay_( |
| base::TimeDelta::FromMilliseconds(kNewContentRenderingDelayMs)), |
| weak_factory_(this) { |
| CHECK(delegate_); |
| CHECK_NE(MSG_ROUTING_NONE, routing_id_); |
| latency_tracker_.SetDelegate(delegate_); |
| |
| #if defined(OS_WIN) |
| // Update the display color profile cache so that it is likely to be up to |
| // date when the renderer process requests the color profile. |
| if (gfx::ICCProfile::CachedProfilesNeedUpdate()) { |
| base::PostTaskWithTraits( |
| FROM_HERE, base::TaskTraits().MayBlock().WithPriority( |
| base::TaskPriority::BACKGROUND), |
| base::Bind(&gfx::ICCProfile::UpdateCachedProfilesOnBackgroundThread)); |
| } |
| #endif |
| |
| 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); |
| |
| // If we're initially visible, tell the process host that we're alive. |
| // Otherwise we'll notify the process host when we are first shown. |
| if (!hidden) |
| process_->WidgetRestored(); |
| |
| latency_tracker_.Initialize(routing_id_, GetProcess()->GetID()); |
| |
| input_router_.reset(new InputRouterImpl( |
| process_, this, this, routing_id_, GetInputRouterConfigForPlatform())); |
| |
| touch_emulator_.reset(); |
| |
| if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kDisableHangMonitor)) { |
| hang_monitor_timeout_.reset(new TimeoutMonitor( |
| base::Bind(&RenderWidgetHostImpl::RendererIsUnresponsive, |
| weak_factory_.GetWeakPtr()))); |
| } |
| |
| new_content_rendering_timeout_.reset(new TimeoutMonitor( |
| base::Bind(&RenderWidgetHostImpl::ClearDisplayedGraphics, |
| weak_factory_.GetWeakPtr()))); |
| |
| delegate_->RenderWidgetCreated(this); |
| } |
| |
| RenderWidgetHostImpl::~RenderWidgetHostImpl() { |
| if (!destroyed_) |
| Destroy(false); |
| } |
| |
| // static |
| RenderWidgetHost* RenderWidgetHost::FromID( |
| int32_t process_id, |
| int32_t routing_id) { |
| return RenderWidgetHostImpl::FromID(process_id, routing_id); |
| } |
| |
| // static |
| RenderWidgetHostImpl* RenderWidgetHostImpl::FromID( |
| int32_t process_id, |
| int32_t routing_id) { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer(); |
| RoutingIDWidgetMap::iterator it = widgets->find( |
| RenderWidgetHostID(process_id, routing_id)); |
| return it == widgets->end() ? NULL : it->second; |
| } |
| |
| // static |
| std::unique_ptr<RenderWidgetHostIterator> |
| RenderWidgetHost::GetRenderWidgetHosts() { |
| std::unique_ptr<RenderWidgetHostIteratorImpl> hosts( |
| new RenderWidgetHostIteratorImpl()); |
| for (auto& it : g_routing_id_widget_map.Get()) { |
| RenderWidgetHost* widget = it.second; |
| |
| RenderViewHost* rvh = RenderViewHost::From(widget); |
| if (!rvh) { |
| hosts->Add(widget); |
| continue; |
| } |
| |
| // For RenderViewHosts, add only active ones. |
| if (static_cast<RenderViewHostImpl*>(rvh)->is_active()) |
| hosts->Add(widget); |
| } |
| |
| return std::move(hosts); |
| } |
| |
| // static |
| std::unique_ptr<RenderWidgetHostIterator> |
| RenderWidgetHostImpl::GetAllRenderWidgetHosts() { |
| std::unique_ptr<RenderWidgetHostIteratorImpl> hosts( |
| new RenderWidgetHostIteratorImpl()); |
| for (auto& it : g_routing_id_widget_map.Get()) |
| hosts->Add(it.second); |
| |
| return std::move(hosts); |
| } |
| |
| // static |
| RenderWidgetHostImpl* RenderWidgetHostImpl::From(RenderWidgetHost* rwh) { |
| return static_cast<RenderWidgetHostImpl*>(rwh); |
| } |
| |
| void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) { |
| if (view) { |
| view_ = view->GetWeakPtr(); |
| // Views start out not needing begin frames, so only update its state |
| // if the value has changed. |
| if (needs_begin_frames_) |
| view_->SetNeedsBeginFrames(needs_begin_frames_); |
| } else { |
| view_.reset(); |
| } |
| |
| synthetic_gesture_controller_.reset(); |
| } |
| |
| RenderProcessHost* RenderWidgetHostImpl::GetProcess() const { |
| return process_; |
| } |
| |
| int RenderWidgetHostImpl::GetRoutingID() const { |
| return routing_id_; |
| } |
| |
| RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() const { |
| return view_.get(); |
| } |
| |
| cc::FrameSinkId RenderWidgetHostImpl::AllocateFrameSinkId( |
| bool is_guest_view_hack) { |
| // GuestViews have two RenderWidgetHostViews and so we need to make sure |
| // we don't have FrameSinkId collisions. |
| // The FrameSinkId generated here must not conflict with FrameSinkId allocated |
| // in cc::FrameSinkIdAllocator. |
| #if !defined(OS_ANDROID) |
| if (is_guest_view_hack) { |
| ImageTransportFactory* factory = ImageTransportFactory::GetInstance(); |
| return factory->GetContextFactoryPrivate()->AllocateFrameSinkId(); |
| } |
| #endif |
| return cc::FrameSinkId( |
| base::checked_cast<uint32_t>(this->GetProcess()->GetID()), |
| base::checked_cast<uint32_t>(this->GetRoutingID())); |
| } |
| |
| void RenderWidgetHostImpl::ResetSizeAndRepaintPendingFlags() { |
| resize_ack_pending_ = false; |
| if (repaint_ack_pending_) { |
| TRACE_EVENT_ASYNC_END0( |
| "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this); |
| } |
| repaint_ack_pending_ = false; |
| if (old_resize_params_) |
| old_resize_params_->new_size = gfx::Size(); |
| } |
| |
| void RenderWidgetHostImpl::SendScreenRects() { |
| if (!renderer_initialized_ || waiting_for_screen_rects_ack_) |
| return; |
| |
| if (is_hidden_) { |
| // On GTK, this comes in for backgrounded tabs. Ignore, to match what |
| // happens on Win & Mac, and when the view is shown it'll call this again. |
| return; |
| } |
| |
| if (!view_) |
| return; |
| |
| last_view_screen_rect_ = view_->GetViewBounds(); |
| last_window_screen_rect_ = view_->GetBoundsInRootWindow(); |
| Send(new ViewMsg_UpdateScreenRects( |
| GetRoutingID(), last_view_screen_rect_, last_window_screen_rect_)); |
| waiting_for_screen_rects_ack_ = true; |
| } |
| |
| void RenderWidgetHostImpl::FlushInput() { |
| input_router_->RequestNotificationWhenFlushed(); |
| if (synthetic_gesture_controller_) |
| synthetic_gesture_controller_->Flush(base::TimeTicks::Now()); |
| } |
| |
| void RenderWidgetHostImpl::SetNeedsFlush() { |
| if (view_) |
| view_->OnSetNeedsFlushInput(); |
| } |
| |
| void RenderWidgetHostImpl::Init() { |
| DCHECK(process_->HasConnection()); |
| |
| renderer_initialized_ = true; |
| |
| SendScreenRects(); |
| WasResized(); |
| |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetDidInit(); |
| } |
| |
| void RenderWidgetHostImpl::InitForFrame() { |
| DCHECK(process_->HasConnection()); |
| renderer_initialized_ = true; |
| } |
| |
| void RenderWidgetHostImpl::ShutdownAndDestroyWidget(bool also_delete) { |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| if (process_->HasConnection()) { |
| // Tell the renderer object to close. |
| bool rv = Send(new ViewMsg_Close(routing_id_)); |
| DCHECK(rv); |
| } |
| |
| Destroy(also_delete); |
| } |
| |
| bool RenderWidgetHostImpl::IsLoading() const { |
| return is_loading_; |
| } |
| |
| bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) { |
| // Only process most messages if the RenderWidget is alive. |
| if (!renderer_initialized()) { |
| // SetNeedsBeginFrame messages are only sent by the renderer once and so |
| // should never be dropped. |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames, |
| OnSetNeedsBeginFrames) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| if (owner_delegate_ && owner_delegate_->OnMessageReceived(msg)) |
| return true; |
| |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg) |
| IPC_MESSAGE_HANDLER(FrameHostMsg_RenderProcessGone, OnRenderProcessGone) |
| IPC_MESSAGE_HANDLER(FrameHostMsg_HittestData, OnHittestData) |
| IPC_MESSAGE_HANDLER(InputHostMsg_QueueSyntheticGesture, |
| OnQueueSyntheticGesture) |
| IPC_MESSAGE_HANDLER(InputHostMsg_ImeCancelComposition, |
| OnImeCancelComposition) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK, |
| OnUpdateScreenRectsAck) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText) |
| IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame, |
| OnSwapCompositorFrame(msg)) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged, |
| OnTextInputStateChanged) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnLockMouse) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnUnlockMouse) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDisambiguationPopup, |
| OnShowDisambiguationPopup) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged, |
| OnSelectionBoundsChanged) |
| IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged, |
| OnImeCompositionRangeChanged) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstPaintAfterLoad, |
| OnFirstPaintAfterLoad) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SetNeedsBeginFrames, OnSetNeedsBeginFrames) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeTouched, OnFocusedNodeTouched) |
| IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnStartDragging) |
| IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| |
| if (!handled && input_router_ && input_router_->OnMessageReceived(msg)) |
| return true; |
| |
| if (!handled && view_ && view_->OnMessageReceived(msg)) |
| return true; |
| |
| return handled; |
| } |
| |
| bool RenderWidgetHostImpl::Send(IPC::Message* msg) { |
| if (IPC_MESSAGE_ID_CLASS(msg->type()) == InputMsgStart) |
| return input_router_->SendInput(base::WrapUnique(msg)); |
| |
| return process_->Send(msg); |
| } |
| |
| void RenderWidgetHostImpl::SetIsLoading(bool is_loading) { |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetWillSetIsLoading(is_loading); |
| |
| is_loading_ = is_loading; |
| if (view_) |
| view_->SetIsLoading(is_loading); |
| } |
| |
| void RenderWidgetHostImpl::WasHidden() { |
| if (is_hidden_) |
| return; |
| |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::WasHidden"); |
| is_hidden_ = true; |
| |
| // Don't bother reporting hung state when we aren't active. |
| StopHangMonitorTimeout(); |
| |
| // If we have a renderer, then inform it that we are being hidden so it can |
| // reduce its resource utilization. |
| Send(new ViewMsg_WasHidden(routing_id_)); |
| |
| // Tell the RenderProcessHost we were hidden. |
| process_->WidgetHidden(); |
| |
| bool is_visible = false; |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED, |
| Source<RenderWidgetHost>(this), |
| Details<bool>(&is_visible)); |
| } |
| |
| void RenderWidgetHostImpl::WasShown(const ui::LatencyInfo& latency_info) { |
| if (!is_hidden_) |
| return; |
| |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::WasShown"); |
| is_hidden_ = false; |
| |
| SendScreenRects(); |
| RestartHangMonitorTimeoutIfNecessary(); |
| |
| // Always repaint on restore. |
| bool needs_repainting = true; |
| needs_repainting_on_restore_ = false; |
| Send(new ViewMsg_WasShown(routing_id_, needs_repainting, latency_info)); |
| |
| process_->WidgetRestored(); |
| |
| bool is_visible = true; |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED, |
| Source<RenderWidgetHost>(this), |
| Details<bool>(&is_visible)); |
| |
| // It's possible for our size to be out of sync with the renderer. The |
| // following is one case that leads to this: |
| // 1. WasResized -> Send ViewMsg_Resize to render |
| // 2. WasResized -> do nothing as resize_ack_pending_ is true |
| // 3. WasHidden |
| // 4. OnUpdateRect from (1) processed. Does NOT invoke WasResized as view |
| // is hidden. Now renderer/browser out of sync with what they think size |
| // is. |
| // By invoking WasResized the renderer is updated as necessary. WasResized |
| // does nothing if the sizes are already in sync. |
| // |
| // TODO: ideally ViewMsg_WasShown would take a size. This way, the renderer |
| // could handle both the restore and resize at once. This isn't that big a |
| // deal as RenderWidget::WasShown delays updating, so that the resize from |
| // WasResized is usually processed before the renderer is painted. |
| WasResized(); |
| } |
| |
| bool RenderWidgetHostImpl::GetResizeParams(ResizeParams* resize_params) { |
| *resize_params = ResizeParams(); |
| |
| GetScreenInfo(&resize_params->screen_info); |
| if (delegate_) { |
| resize_params->is_fullscreen_granted = |
| delegate_->IsFullscreenForCurrentTab(); |
| resize_params->display_mode = delegate_->GetDisplayMode(this); |
| } else { |
| resize_params->is_fullscreen_granted = false; |
| resize_params->display_mode = blink::WebDisplayModeBrowser; |
| } |
| |
| if (view_) { |
| resize_params->new_size = view_->GetRequestedRendererSize(); |
| // TODO(wjmaclean): Can we just get rid of physical_backing_size and just |
| // deal with it on the renderer side? It seems to always be |
| // ScaleToCeiledSize(new_size, device_scale_factor) ?? |
| resize_params->physical_backing_size = view_->GetPhysicalBackingSize(); |
| resize_params->top_controls_height = view_->GetTopControlsHeight(); |
| resize_params->browser_controls_shrink_blink_size = |
| view_->DoBrowserControlsShrinkBlinkSize(); |
| resize_params->bottom_controls_height = view_->GetBottomControlsHeight(); |
| resize_params->visible_viewport_size = view_->GetVisibleViewportSize(); |
| } |
| |
| const bool size_changed = |
| !old_resize_params_ || |
| old_resize_params_->new_size != resize_params->new_size || |
| (old_resize_params_->physical_backing_size.IsEmpty() && |
| !resize_params->physical_backing_size.IsEmpty()); |
| bool dirty = |
| size_changed || |
| old_resize_params_->screen_info != resize_params->screen_info || |
| old_resize_params_->physical_backing_size != |
| resize_params->physical_backing_size || |
| old_resize_params_->is_fullscreen_granted != |
| resize_params->is_fullscreen_granted || |
| old_resize_params_->display_mode != resize_params->display_mode || |
| old_resize_params_->top_controls_height != |
| resize_params->top_controls_height || |
| old_resize_params_->browser_controls_shrink_blink_size != |
| resize_params->browser_controls_shrink_blink_size || |
| old_resize_params_->bottom_controls_height != |
| resize_params->bottom_controls_height || |
| old_resize_params_->visible_viewport_size != |
| resize_params->visible_viewport_size; |
| |
| // We don't expect to receive an ACK when the requested size or the physical |
| // backing size is empty, or when the main viewport size didn't change. |
| resize_params->needs_resize_ack = |
| g_check_for_pending_resize_ack && !resize_params->new_size.IsEmpty() && |
| !resize_params->physical_backing_size.IsEmpty() && size_changed; |
| |
| return dirty; |
| } |
| |
| void RenderWidgetHostImpl::SetInitialRenderSizeParams( |
| const ResizeParams& resize_params) { |
| resize_ack_pending_ = resize_params.needs_resize_ack; |
| |
| old_resize_params_ = base::MakeUnique<ResizeParams>(resize_params); |
| } |
| |
| void RenderWidgetHostImpl::WasResized() { |
| // Skip if the |delegate_| has already been detached because |
| // it's web contents is being deleted. |
| if (resize_ack_pending_ || !process_->HasConnection() || !view_ || |
| !renderer_initialized_ || auto_resize_enabled_ || !delegate_) { |
| return; |
| } |
| |
| std::unique_ptr<ResizeParams> params(new ResizeParams); |
| if (!GetResizeParams(params.get())) |
| return; |
| |
| bool width_changed = |
| !old_resize_params_ || |
| old_resize_params_->new_size.width() != params->new_size.width(); |
| if (Send(new ViewMsg_Resize(routing_id_, *params))) { |
| resize_ack_pending_ = params->needs_resize_ack; |
| old_resize_params_.swap(params); |
| } |
| |
| if (delegate_) |
| delegate_->RenderWidgetWasResized(this, width_changed); |
| } |
| |
| void RenderWidgetHostImpl::GotFocus() { |
| Focus(); |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetGotFocus(); |
| if (delegate_) |
| delegate_->RenderWidgetGotFocus(this); |
| } |
| |
| void RenderWidgetHostImpl::Focus() { |
| RenderWidgetHostImpl* focused_widget = |
| delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr; |
| |
| if (!focused_widget) |
| focused_widget = this; |
| focused_widget->SetPageFocus(true); |
| } |
| |
| void RenderWidgetHostImpl::Blur() { |
| RenderWidgetHostImpl* focused_widget = |
| delegate_ ? delegate_->GetRenderWidgetHostWithPageFocus() : nullptr; |
| |
| if (!focused_widget) |
| focused_widget = this; |
| focused_widget->SetPageFocus(false); |
| } |
| |
| void RenderWidgetHostImpl::SetPageFocus(bool focused) { |
| is_focused_ = focused; |
| |
| if (!focused) { |
| // If there is a pending mouse lock request, we don't want to reject it at |
| // this point. The user can switch focus back to this view and approve the |
| // request later. |
| if (IsMouseLocked()) |
| view_->UnlockMouse(); |
| |
| if (touch_emulator_) |
| touch_emulator_->CancelTouch(); |
| } |
| |
| Send(new InputMsg_SetFocus(routing_id_, focused)); |
| |
| // Also send page-level focus state to other SiteInstances involved in |
| // rendering the current FrameTree. |
| if (RenderViewHost::From(this) && delegate_) |
| delegate_->ReplicatePageFocus(focused); |
| } |
| |
| void RenderWidgetHostImpl::LostCapture() { |
| if (touch_emulator_) |
| touch_emulator_->CancelTouch(); |
| |
| Send(new InputMsg_MouseCaptureLost(routing_id_)); |
| |
| if (delegate_) |
| delegate_->LostCapture(this); |
| } |
| |
| void RenderWidgetHostImpl::SetActive(bool active) { |
| Send(new ViewMsg_SetActive(routing_id_, active)); |
| } |
| |
| void RenderWidgetHostImpl::LostMouseLock() { |
| if (delegate_) |
| delegate_->LostMouseLock(this); |
| } |
| |
| void RenderWidgetHostImpl::SendMouseLockLost() { |
| Send(new ViewMsg_MouseLockLost(routing_id_)); |
| } |
| |
| void RenderWidgetHostImpl::ViewDestroyed() { |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| // TODO(evanm): tracking this may no longer be necessary; |
| // eliminate this function if so. |
| SetView(NULL); |
| } |
| |
| #if defined(OS_MACOSX) |
| void RenderWidgetHostImpl::PauseForPendingResizeOrRepaints() { |
| TRACE_EVENT0("browser", |
| "RenderWidgetHostImpl::PauseForPendingResizeOrRepaints"); |
| |
| if (!CanPauseForPendingResizeOrRepaints()) |
| return; |
| |
| WaitForSurface(); |
| } |
| |
| bool RenderWidgetHostImpl::CanPauseForPendingResizeOrRepaints() { |
| // Do not pause if the view is hidden. |
| if (is_hidden()) |
| return false; |
| |
| // Do not pause if there is not a paint or resize already coming. |
| if (!repaint_ack_pending_ && !resize_ack_pending_) |
| return false; |
| |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::WaitForSurface() { |
| // How long to (synchronously) wait for the renderer to respond with a |
| // new frame when our current frame doesn't exist or is the wrong size. |
| // This timeout impacts the "choppiness" of our window resize. |
| const int kPaintMsgTimeoutMS = 50; |
| |
| if (!view_) |
| return; |
| |
| // The view_size will be current_size_ for auto-sized views and otherwise the |
| // size of the view_. (For auto-sized views, current_size_ is updated during |
| // UpdateRect messages.) |
| gfx::Size view_size = current_size_; |
| if (!auto_resize_enabled_) { |
| // Get the desired size from the current view bounds. |
| gfx::Rect view_rect = view_->GetViewBounds(); |
| if (view_rect.IsEmpty()) |
| return; |
| view_size = view_rect.size(); |
| } |
| |
| TRACE_EVENT2("renderer_host", |
| "RenderWidgetHostImpl::WaitForSurface", |
| "width", |
| base::IntToString(view_size.width()), |
| "height", |
| base::IntToString(view_size.height())); |
| |
| // We should not be asked to paint while we are hidden. If we are hidden, |
| // then it means that our consumer failed to call WasShown. |
| DCHECK(!is_hidden_) << "WaitForSurface called while hidden!"; |
| |
| // We should never be called recursively; this can theoretically lead to |
| // infinite recursion and almost certainly leads to lower performance. |
| DCHECK(!in_get_backing_store_) << "WaitForSurface called recursively!"; |
| base::AutoReset<bool> auto_reset_in_get_backing_store( |
| &in_get_backing_store_, true); |
| |
| // We might have a surface that we can use already. |
| if (view_->HasAcceleratedSurface(view_size)) |
| return; |
| |
| // Request that the renderer produce a frame of the right size, if it |
| // hasn't been requested already. |
| if (!repaint_ack_pending_ && !resize_ack_pending_) { |
| repaint_start_time_ = TimeTicks::Now(); |
| repaint_ack_pending_ = true; |
| TRACE_EVENT_ASYNC_BEGIN0( |
| "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this); |
| Send(new ViewMsg_Repaint(routing_id_, view_size)); |
| } |
| |
| // Pump a nested message loop until we time out or get a frame of the right |
| // size. |
| TimeTicks start_time = TimeTicks::Now(); |
| TimeDelta time_left = TimeDelta::FromMilliseconds(kPaintMsgTimeoutMS); |
| TimeTicks timeout_time = start_time + time_left; |
| while (1) { |
| TRACE_EVENT0("renderer_host", "WaitForSurface::WaitForSingleTaskToRun"); |
| if (ui::WindowResizeHelperMac::Get()->WaitForSingleTaskToRun(time_left)) { |
| // For auto-resized views, current_size_ determines the view_size and it |
| // may have changed during the handling of an UpdateRect message. |
| if (auto_resize_enabled_) |
| view_size = current_size_; |
| if (view_->HasAcceleratedSurface(view_size)) |
| break; |
| } |
| time_left = timeout_time - TimeTicks::Now(); |
| if (time_left <= TimeDelta::FromSeconds(0)) { |
| TRACE_EVENT0("renderer_host", "WaitForSurface::Timeout"); |
| break; |
| } |
| } |
| } |
| #endif |
| |
| bool RenderWidgetHostImpl::ScheduleComposite() { |
| if (is_hidden_ || current_size_.IsEmpty() || repaint_ack_pending_ || |
| resize_ack_pending_) { |
| return false; |
| } |
| |
| // Send out a request to the renderer to paint the view if required. |
| repaint_start_time_ = TimeTicks::Now(); |
| repaint_ack_pending_ = true; |
| TRACE_EVENT_ASYNC_BEGIN0( |
| "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this); |
| Send(new ViewMsg_Repaint(routing_id_, current_size_)); |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::StartHangMonitorTimeout( |
| base::TimeDelta delay, |
| blink::WebInputEvent::Type event_type, |
| RendererUnresponsiveType hang_monitor_reason) { |
| if (!hang_monitor_timeout_) |
| return; |
| if (!hang_monitor_timeout_->IsRunning()) |
| hang_monitor_event_type_ = event_type; |
| last_event_type_ = event_type; |
| hang_monitor_timeout_->Start(delay); |
| hang_monitor_reason_ = hang_monitor_reason; |
| } |
| |
| void RenderWidgetHostImpl::RestartHangMonitorTimeoutIfNecessary() { |
| if (!hang_monitor_timeout_) |
| return; |
| if (in_flight_event_count_ > 0 && !is_hidden_) { |
| if (hang_monitor_reason_ == |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_UNKNOWN) { |
| hang_monitor_reason_ = |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_IN_FLIGHT_EVENTS; |
| } |
| hang_monitor_timeout_->Restart(hung_renderer_delay_); |
| } |
| } |
| |
| void RenderWidgetHostImpl::DisableHangMonitorForTesting() { |
| StopHangMonitorTimeout(); |
| hang_monitor_timeout_.reset(); |
| } |
| |
| void RenderWidgetHostImpl::StopHangMonitorTimeout() { |
| if (hang_monitor_timeout_) { |
| hang_monitor_timeout_->Stop(); |
| hang_monitor_reason_ = |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_UNKNOWN; |
| } |
| RendererIsResponsive(); |
| } |
| |
| void RenderWidgetHostImpl::StartNewContentRenderingTimeout() { |
| // It is possible for a compositor frame to arrive before the browser is |
| // notified about the page being committed, in which case no timer is |
| // necessary. |
| if (received_paint_after_load_) { |
| received_paint_after_load_ = false; |
| return; |
| } |
| |
| new_content_rendering_timeout_->Start(new_content_rendering_delay_); |
| } |
| |
| void RenderWidgetHostImpl::OnFirstPaintAfterLoad() { |
| if (new_content_rendering_timeout_->IsRunning()) { |
| new_content_rendering_timeout_->Stop(); |
| } else { |
| received_paint_after_load_ = true; |
| } |
| |
| if (delegate_) |
| delegate_->OnFirstPaintAfterLoad(this); |
| } |
| |
| void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) { |
| ForwardMouseEventWithLatencyInfo(mouse_event, |
| ui::LatencyInfo(ui::SourceEventType::OTHER)); |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetDidForwardMouseEvent(mouse_event); |
| } |
| |
| void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo( |
| const blink::WebMouseEvent& mouse_event, |
| const ui::LatencyInfo& ui_latency) { |
| TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent", |
| "x", mouse_event.x, "y", mouse_event.y); |
| |
| for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) { |
| if (mouse_event_callbacks_[i].Run(mouse_event)) |
| return; |
| } |
| |
| if (ShouldDropInputEvents()) |
| return; |
| |
| if (touch_emulator_ && touch_emulator_->HandleMouseEvent(mouse_event)) |
| return; |
| |
| MouseEventWithLatencyInfo mouse_with_latency(mouse_event, ui_latency); |
| DispatchInputEventWithLatencyInfo(mouse_event, &mouse_with_latency.latency); |
| input_router_->SendMouseEvent(mouse_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::ForwardWheelEvent( |
| const WebMouseWheelEvent& wheel_event) { |
| ForwardWheelEventWithLatencyInfo(wheel_event, |
| ui::LatencyInfo(ui::SourceEventType::WHEEL)); |
| } |
| |
| void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo( |
| const blink::WebMouseWheelEvent& wheel_event, |
| const ui::LatencyInfo& ui_latency) { |
| TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardWheelEvent", |
| "dx", wheel_event.deltaX, "dy", wheel_event.deltaY); |
| |
| if (ShouldDropInputEvents()) |
| return; |
| |
| if (touch_emulator_ && touch_emulator_->HandleMouseWheelEvent(wheel_event)) |
| return; |
| |
| MouseWheelEventWithLatencyInfo wheel_with_latency(wheel_event, ui_latency); |
| DispatchInputEventWithLatencyInfo(wheel_event, &wheel_with_latency.latency); |
| input_router_->SendWheelEvent(wheel_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::ForwardEmulatedGestureEvent( |
| const blink::WebGestureEvent& gesture_event) { |
| ForwardGestureEvent(gesture_event); |
| } |
| |
| void RenderWidgetHostImpl::ForwardGestureEvent( |
| const blink::WebGestureEvent& gesture_event) { |
| ForwardGestureEventWithLatencyInfo( |
| gesture_event, |
| ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent( |
| gesture_event)); |
| } |
| |
| void RenderWidgetHostImpl::ForwardGestureEventWithLatencyInfo( |
| const blink::WebGestureEvent& gesture_event, |
| const ui::LatencyInfo& ui_latency) { |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardGestureEvent"); |
| // Early out if necessary, prior to performing latency logic. |
| if (ShouldDropInputEvents()) |
| return; |
| |
| // TODO(wjmaclean) Remove the code for supporting resending gesture events |
| // when WebView transitions to OOPIF and BrowserPlugin is removed. |
| // http://crbug.com/533069 |
| bool* is_in_gesture_scroll = |
| gesture_event.sourceDevice == |
| blink::WebGestureDevice::WebGestureDeviceTouchpad |
| ? &is_in_touchpad_gesture_scroll_ |
| : &is_in_touchscreen_gesture_scroll_; |
| if (gesture_event.type() == blink::WebInputEvent::GestureScrollBegin) { |
| DCHECK(!(*is_in_gesture_scroll)); |
| *is_in_gesture_scroll = true; |
| } else if (gesture_event.type() == blink::WebInputEvent::GestureScrollEnd || |
| gesture_event.type() == blink::WebInputEvent::GestureFlingStart) { |
| DCHECK(*is_in_gesture_scroll || |
| (gesture_event.type() == blink::WebInputEvent::GestureFlingStart && |
| gesture_event.sourceDevice == |
| blink::WebGestureDevice::WebGestureDeviceTouchpad)); |
| *is_in_gesture_scroll = false; |
| } |
| |
| bool scroll_update_needs_wrapping = |
| gesture_event.type() == blink::WebInputEvent::GestureScrollUpdate && |
| gesture_event.resendingPluginId != -1 && !(*is_in_gesture_scroll); |
| |
| // TODO(crbug.com/544782): Fix WebViewGuestScrollTest.TestGuestWheelScrolls- |
| // Bubble to test the resending logic of gesture events. |
| if (scroll_update_needs_wrapping) { |
| ForwardGestureEventWithLatencyInfo( |
| CreateScrollBeginForWrapping(gesture_event), |
| ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent( |
| gesture_event)); |
| } |
| |
| // Delegate must be non-null, due to |ShouldDropInputEvents()| test. |
| if (delegate_->PreHandleGestureEvent(gesture_event)) |
| return; |
| |
| GestureEventWithLatencyInfo gesture_with_latency(gesture_event, ui_latency); |
| DispatchInputEventWithLatencyInfo(gesture_event, |
| &gesture_with_latency.latency); |
| input_router_->SendGestureEvent(gesture_with_latency); |
| |
| if (scroll_update_needs_wrapping) { |
| ForwardGestureEventWithLatencyInfo( |
| CreateScrollEndForWrapping(gesture_event), |
| ui::WebInputEventTraits::CreateLatencyInfoForWebGestureEvent( |
| gesture_event)); |
| } |
| } |
| |
| void RenderWidgetHostImpl::ForwardEmulatedTouchEvent( |
| const blink::WebTouchEvent& touch_event) { |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardEmulatedTouchEvent"); |
| ui::LatencyInfo latency_info(ui::SourceEventType::TOUCH); |
| TouchEventWithLatencyInfo touch_with_latency(touch_event, latency_info); |
| DispatchInputEventWithLatencyInfo(touch_event, &touch_with_latency.latency); |
| input_router_->SendTouchEvent(touch_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo( |
| const blink::WebTouchEvent& touch_event, |
| const ui::LatencyInfo& ui_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, ui_latency); |
| if (touch_emulator_ && |
| touch_emulator_->HandleTouchEvent(touch_with_latency.event)) { |
| if (view_) { |
| view_->ProcessAckedTouchEvent( |
| touch_with_latency, INPUT_EVENT_ACK_STATE_CONSUMED); |
| } |
| return; |
| } |
| |
| DispatchInputEventWithLatencyInfo(touch_event, &touch_with_latency.latency); |
| input_router_->SendTouchEvent(touch_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::ForwardKeyboardEvent( |
| const NativeWebKeyboardEvent& key_event) { |
| ForwardKeyboardEventWithCommands(key_event, nullptr); |
| } |
| |
| void RenderWidgetHostImpl::ForwardKeyboardEventWithCommands( |
| const NativeWebKeyboardEvent& key_event, |
| const std::vector<EditCommand>* commands) { |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent"); |
| if (owner_delegate_ && |
| !owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) { |
| return; |
| } |
| |
| if (ShouldDropInputEvents()) |
| return; |
| |
| if (!process_->HasConnection()) |
| return; |
| |
| // First, let keypress listeners take a shot at handling the event. If a |
| // listener handles the event, it should not be propagated to the renderer. |
| if (KeyPressListenersHandleEvent(key_event)) { |
| // Some keypresses that are accepted by the listener may be followed by Char |
| // and KeyUp events, which should be ignored. |
| if (key_event.type() == WebKeyboardEvent::RawKeyDown) |
| suppress_events_until_keydown_ = true; |
| return; |
| } |
| |
| // Double check the type to make sure caller hasn't sent us nonsense that |
| // will mess up our key queue. |
| if (!WebInputEvent::isKeyboardEventType(key_event.type())) |
| 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.type() == WebKeyboardEvent::KeyUp || |
| key_event.type() == WebKeyboardEvent::Char) |
| return; |
| DCHECK(key_event.type() == WebKeyboardEvent::RawKeyDown || |
| key_event.type() == WebKeyboardEvent::KeyDown); |
| 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() returns true, 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.type() == WebKeyboardEvent::RawKeyDown) |
| suppress_events_until_keydown_ = true; |
| |
| // Tab switching/closing accelerators aren't sent to the renderer to avoid |
| // a hung/malicious renderer from interfering. |
| if (delegate_->PreHandleKeyboardEvent(key_event, &is_shortcut)) |
| return; |
| |
| if (key_event.type() == WebKeyboardEvent::RawKeyDown) |
| suppress_events_until_keydown_ = false; |
| } |
| |
| if (touch_emulator_ && touch_emulator_->HandleKeyboardEvent(key_event)) |
| return; |
| ui::LatencyInfo latency_info(ui::SourceEventType::OTHER); |
| NativeWebKeyboardEventWithLatencyInfo key_event_with_latency(key_event, |
| latency_info); |
| key_event_with_latency.event.isBrowserShortcut = is_shortcut; |
| DispatchInputEventWithLatencyInfo(key_event, &key_event_with_latency.latency); |
| // TODO(foolip): |InputRouter::SendKeyboardEvent()| may filter events, in |
| // which the commands will be treated as belonging to the next key event. |
| // InputMsg_SetEditCommandsForNextKeyEvent should only be sent if |
| // InputMsg_HandleInputEvent is, but has to be sent first. |
| // https://crbug.com/684298 |
| if (commands && !commands->empty()) { |
| Send( |
| new InputMsg_SetEditCommandsForNextKeyEvent(GetRoutingID(), *commands)); |
| } |
| input_router_->SendKeyboardEvent(key_event_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::QueueSyntheticGesture( |
| std::unique_ptr<SyntheticGesture> synthetic_gesture, |
| const base::Callback<void(SyntheticGesture::Result)>& on_complete) { |
| if (!synthetic_gesture_controller_ && view_) { |
| synthetic_gesture_controller_.reset( |
| new SyntheticGestureController(view_->CreateSyntheticGestureTarget())); |
| } |
| if (synthetic_gesture_controller_) { |
| synthetic_gesture_controller_->QueueSyntheticGesture( |
| std::move(synthetic_gesture), on_complete); |
| } |
| } |
| |
| void RenderWidgetHostImpl::SetCursor(const WebCursor& cursor) { |
| if (!view_) |
| return; |
| view_->UpdateCursor(cursor); |
| } |
| |
| void RenderWidgetHostImpl::ShowContextMenuAtPoint(const gfx::Point& point) { |
| Send(new ViewMsg_ShowContextMenu( |
| GetRoutingID(), ui::MENU_SOURCE_MOUSE, point)); |
| } |
| |
| void RenderWidgetHostImpl::SendCursorVisibilityState(bool is_visible) { |
| Send(new InputMsg_CursorVisibilityChange(GetRoutingID(), is_visible)); |
| } |
| |
| int64_t RenderWidgetHostImpl::GetLatencyComponentId() const { |
| return latency_tracker_.latency_component_id(); |
| } |
| |
| // static |
| void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() { |
| g_check_for_pending_resize_ack = false; |
| } |
| |
| void RenderWidgetHostImpl::AddKeyPressEventCallback( |
| const KeyPressEventCallback& callback) { |
| key_press_event_callbacks_.push_back(callback); |
| } |
| |
| void RenderWidgetHostImpl::RemoveKeyPressEventCallback( |
| const KeyPressEventCallback& callback) { |
| for (size_t i = 0; i < key_press_event_callbacks_.size(); ++i) { |
| if (key_press_event_callbacks_[i].Equals(callback)) { |
| key_press_event_callbacks_.erase( |
| key_press_event_callbacks_.begin() + i); |
| return; |
| } |
| } |
| } |
| |
| void RenderWidgetHostImpl::AddMouseEventCallback( |
| const MouseEventCallback& callback) { |
| mouse_event_callbacks_.push_back(callback); |
| } |
| |
| void RenderWidgetHostImpl::RemoveMouseEventCallback( |
| const MouseEventCallback& callback) { |
| for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) { |
| if (mouse_event_callbacks_[i].Equals(callback)) { |
| mouse_event_callbacks_.erase(mouse_event_callbacks_.begin() + i); |
| return; |
| } |
| } |
| } |
| |
| void RenderWidgetHostImpl::AddInputEventObserver( |
| RenderWidgetHost::InputEventObserver* observer) { |
| if (!input_event_observers_.HasObserver(observer)) |
| input_event_observers_.AddObserver(observer); |
| } |
| |
| void RenderWidgetHostImpl::RemoveInputEventObserver( |
| RenderWidgetHost::InputEventObserver* observer) { |
| input_event_observers_.RemoveObserver(observer); |
| } |
| |
| void RenderWidgetHostImpl::GetScreenInfo(ScreenInfo* result) { |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetScreenInfo"); |
| if (delegate_) |
| delegate_->GetScreenInfo(result); |
| else |
| NOTREACHED(); |
| |
| // TODO(sievers): find a way to make this done another way so the method |
| // can be const. |
| latency_tracker_.set_device_scale_factor(result->device_scale_factor); |
| if (IsUseZoomForDSFEnabled()) |
| input_router_->SetDeviceScaleFactor(result->device_scale_factor); |
| } |
| |
| void RenderWidgetHostImpl::DragTargetDragEnter( |
| const DropData& drop_data, |
| const gfx::Point& client_pt, |
| const gfx::Point& 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::Point& client_pt, |
| const gfx::Point& 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::Point& client_pt, |
| const gfx::Point& 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::Point& client_point, |
| const gfx::Point& screen_point) { |
| Send(new DragMsg_TargetDragLeave(GetRoutingID(), client_point, screen_point)); |
| } |
| |
| void RenderWidgetHostImpl::DragTargetDrop(const DropData& drop_data, |
| const gfx::Point& client_pt, |
| const gfx::Point& 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::Point& client_pt, |
| const gfx::Point& 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::NotifyScreenInfoChanged() { |
| if (delegate_) |
| delegate_->ScreenInfoChanged(); |
| |
| // The resize message (which may not happen immediately) will carry with it |
| // the screen info as well as the new size (if the screen has changed scale |
| // factor). |
| WasResized(); |
| |
| if (touch_emulator_) { |
| touch_emulator_->SetDeviceScaleFactor( |
| view_.get() ? content::GetScaleFactorForView(view_.get()) : 1.0f); |
| } |
| } |
| |
| void RenderWidgetHostImpl::GetSnapshotFromBrowser( |
| const GetSnapshotFromBrowserCallback& callback) { |
| int id = next_browser_snapshot_id_++; |
| |
| #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()) { |
| DCHECK(!power_save_blocker_); |
| power_save_blocker_.reset(new device::PowerSaveBlocker( |
| device::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep, |
| device::PowerSaveBlocker::kReasonOther, "GetSnapshot", |
| BrowserThread::GetTaskRunnerForThread(BrowserThread::UI), |
| BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE))); |
| } |
| #endif |
| pending_browser_snapshots_.insert(std::make_pair(id, callback)); |
| ui::LatencyInfo latency_info; |
| latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT, 0, |
| id); |
| Send(new ViewMsg_ForceRedraw(GetRoutingID(), latency_info)); |
| } |
| |
| const NativeWebKeyboardEvent* |
| RenderWidgetHostImpl::GetLastKeyboardEvent() const { |
| return input_router_->GetLastKeyboardEvent(); |
| } |
| |
| void RenderWidgetHostImpl::SelectionChanged(const base::string16& text, |
| uint32_t offset, |
| const gfx::Range& range) { |
| if (view_) |
| view_->SelectionChanged(text, static_cast<size_t>(offset), range); |
| } |
| |
| void RenderWidgetHostImpl::OnSelectionBoundsChanged( |
| const ViewHostMsg_SelectionBounds_Params& params) { |
| if (view_) { |
| view_->SelectionBoundsChanged(params); |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnSetNeedsBeginFrames(bool needs_begin_frames) { |
| if (needs_begin_frames_ == needs_begin_frames) |
| return; |
| |
| needs_begin_frames_ = needs_begin_frames; |
| if (view_) |
| view_->SetNeedsBeginFrames(needs_begin_frames); |
| } |
| |
| void RenderWidgetHostImpl::OnFocusedNodeTouched(bool editable) { |
| if (delegate_) |
| delegate_->FocusedNodeTouched(editable); |
| } |
| |
| void RenderWidgetHostImpl::OnStartDragging( |
| const DropData& drop_data, |
| blink::WebDragOperationsMask drag_operations_mask, |
| const SkBitmap& bitmap, |
| const gfx::Vector2d& bitmap_offset_in_dip, |
| const DragEventSourceInfo& event_info) { |
| RenderViewHostDelegateView* view = delegate_->GetDelegateView(); |
| if (!view) { |
| // Need to clear drag and drop state in blink. |
| DragSourceSystemDragEnded(); |
| return; |
| } |
| |
| DropData filtered_data(drop_data); |
| RenderProcessHost* process = GetProcess(); |
| ChildProcessSecurityPolicyImpl* policy = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| // Allow drag of Javascript URLs to enable bookmarklet drag to bookmark bar. |
| if (!filtered_data.url.SchemeIs(url::kJavaScriptScheme)) |
| process->FilterURL(true, &filtered_data.url); |
| process->FilterURL(false, &filtered_data.html_base_url); |
| // Filter out any paths that the renderer didn't have access to. This prevents |
| // the following attack on a malicious renderer: |
| // 1. StartDragging IPC sent with renderer-specified filesystem paths that it |
| // doesn't have read permissions for. |
| // 2. We initiate a native DnD operation. |
| // 3. DnD operation immediately ends since mouse is not held down. DnD events |
| // still fire though, which causes read permissions to be granted to the |
| // renderer for any file paths in the drop. |
| filtered_data.filenames.clear(); |
| for (const auto& file_info : drop_data.filenames) { |
| if (policy->CanReadFile(GetProcess()->GetID(), file_info.path)) |
| filtered_data.filenames.push_back(file_info); |
| } |
| |
| storage::FileSystemContext* file_system_context = |
| GetProcess()->GetStoragePartition()->GetFileSystemContext(); |
| filtered_data.file_system_files.clear(); |
| for (size_t i = 0; i < drop_data.file_system_files.size(); ++i) { |
| storage::FileSystemURL file_system_url = |
| file_system_context->CrackURL(drop_data.file_system_files[i].url); |
| if (policy->CanReadFileSystemFile(GetProcess()->GetID(), file_system_url)) |
| filtered_data.file_system_files.push_back(drop_data.file_system_files[i]); |
| } |
| |
| float scale = GetScaleFactorForView(GetView()); |
| gfx::ImageSkia image(gfx::ImageSkiaRep(bitmap, scale)); |
| view->StartDragging(filtered_data, drag_operations_mask, image, |
| bitmap_offset_in_dip, event_info, this); |
| } |
| |
| void RenderWidgetHostImpl::OnUpdateDragCursor(WebDragOperation current_op) { |
| if (delegate_ && delegate_->OnUpdateDragCursor()) |
| return; |
| |
| RenderViewHostDelegateView* view = delegate_->GetDelegateView(); |
| if (view) |
| view->UpdateDragCursor(current_op); |
| } |
| |
| void RenderWidgetHostImpl::RendererExited(base::TerminationStatus status, |
| int exit_code) { |
| if (!renderer_initialized_) |
| return; |
| |
| // Clearing this flag causes us to re-create the renderer when recovering |
| // from a crashed renderer. |
| renderer_initialized_ = false; |
| |
| waiting_for_screen_rects_ack_ = false; |
| |
| // Must reset these to ensure that keyboard events work with a new renderer. |
| suppress_events_until_keydown_ = false; |
| |
| // Reset some fields in preparation for recovering from a crash. |
| ResetSizeAndRepaintPendingFlags(); |
| current_size_.SetSize(0, 0); |
| // After the renderer crashes, the view is destroyed and so the |
| // RenderWidgetHost cannot track its visibility anymore. We assume such |
| // RenderWidgetHost to be invisible for the sake of internal accounting - be |
| // careful about changing this - see http://crbug.com/401859 and |
| // http://crbug.com/522795. |
| // |
| // We need to at least make sure that the RenderProcessHost is notified about |
| // the |is_hidden_| change, so that the renderer will have correct visibility |
| // set when respawned. |
| if (!is_hidden_) { |
| process_->WidgetHidden(); |
| is_hidden_ = true; |
| } |
| |
| // Reset this to ensure the hung renderer mechanism is working properly. |
| in_flight_event_count_ = 0; |
| StopHangMonitorTimeout(); |
| |
| if (view_) { |
| view_->RenderProcessGone(status, exit_code); |
| view_.reset(); // The View should be deleted by RenderProcessGone. |
| } |
| |
| // Reconstruct the input router to ensure that it has fresh state for a new |
| // renderer. Otherwise it may be stuck waiting for the old renderer to ack an |
| // event. (In particular, the above call to view_->RenderProcessGone will |
| // destroy the aura window, which may dispatch a synthetic mouse move.) |
| input_router_.reset(new InputRouterImpl( |
| process_, this, this, routing_id_, GetInputRouterConfigForPlatform())); |
| |
| synthetic_gesture_controller_.reset(); |
| } |
| |
| void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) { |
| text_direction_updated_ = true; |
| text_direction_ = direction; |
| } |
| |
| void RenderWidgetHostImpl::CancelUpdateTextDirection() { |
| if (text_direction_updated_) |
| text_direction_canceled_ = true; |
| } |
| |
| void RenderWidgetHostImpl::NotifyTextDirection() { |
| if (text_direction_updated_) { |
| if (!text_direction_canceled_) |
| Send(new ViewMsg_SetTextDirection(GetRoutingID(), text_direction_)); |
| text_direction_updated_ = false; |
| text_direction_canceled_ = false; |
| } |
| } |
| |
| void RenderWidgetHostImpl::ImeSetComposition( |
| const base::string16& text, |
| const std::vector<blink::WebCompositionUnderline>& underlines, |
| const gfx::Range& replacement_range, |
| int selection_start, |
| int selection_end) { |
| Send(new InputMsg_ImeSetComposition( |
| GetRoutingID(), text, underlines, replacement_range, |
| selection_start, selection_end)); |
| } |
| |
| void RenderWidgetHostImpl::ImeCommitText( |
| const base::string16& text, |
| const std::vector<blink::WebCompositionUnderline>& underlines, |
| const gfx::Range& replacement_range, |
| int relative_cursor_pos) { |
| Send(new InputMsg_ImeCommitText(GetRoutingID(), text, underlines, |
| replacement_range, relative_cursor_pos)); |
| } |
| |
| void RenderWidgetHostImpl::ImeFinishComposingText(bool keep_selection) { |
| Send(new InputMsg_ImeFinishComposingText(GetRoutingID(), keep_selection)); |
| } |
| |
| void RenderWidgetHostImpl::ImeCancelComposition() { |
| Send(new InputMsg_ImeSetComposition(GetRoutingID(), base::string16(), |
| std::vector<blink::WebCompositionUnderline>(), |
| gfx::Range::InvalidRange(), 0, 0)); |
| } |
| |
| void RenderWidgetHostImpl::RejectMouseLockOrUnlockIfNecessary() { |
| DCHECK(!pending_mouse_lock_request_ || !IsMouseLocked()); |
| if (pending_mouse_lock_request_) { |
| pending_mouse_lock_request_ = false; |
| Send(new ViewMsg_LockMouse_ACK(routing_id_, false)); |
| } else if (IsMouseLocked()) { |
| view_->UnlockMouse(); |
| } |
| } |
| |
| bool RenderWidgetHostImpl::IsMouseLocked() const { |
| return view_ ? view_->IsMouseLocked() : false; |
| } |
| |
| void RenderWidgetHostImpl::SetAutoResize(bool enable, |
| const gfx::Size& min_size, |
| const gfx::Size& max_size) { |
| auto_resize_enabled_ = enable; |
| min_size_for_auto_resize_ = min_size; |
| max_size_for_auto_resize_ = max_size; |
| } |
| |
| void RenderWidgetHostImpl::Destroy(bool also_delete) { |
| DCHECK(!destroyed_); |
| destroyed_ = true; |
| |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED, Source<RenderWidgetHost>(this), |
| NotificationService::NoDetails()); |
| |
| // Tell the view to die. |
| // Note that in the process of the view shutting down, it can call a ton |
| // of other messages on us. So if you do any other deinitialization here, |
| // do it after this call to view_->Destroy(). |
| if (view_) { |
| view_->Destroy(); |
| view_.reset(); |
| } |
| |
| process_->RemoveRoute(routing_id_); |
| g_routing_id_widget_map.Get().erase( |
| RenderWidgetHostID(process_->GetID(), routing_id_)); |
| |
| if (delegate_) |
| delegate_->RenderWidgetDeleted(this); |
| |
| if (also_delete) { |
| CHECK(!owner_delegate_); |
| delete this; |
| } |
| } |
| |
| void RenderWidgetHostImpl::RendererIsUnresponsive() { |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_HOST_HANG, |
| Source<RenderWidgetHost>(this), |
| NotificationService::NoDetails()); |
| is_unresponsive_ = true; |
| RendererUnresponsiveType reason = hang_monitor_reason_; |
| hang_monitor_reason_ = |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_UNKNOWN; |
| |
| if (delegate_) |
| delegate_->RendererUnresponsive(this, reason); |
| |
| // Do not add code after this since the Delegate may delete this |
| // RenderWidgetHostImpl in RendererUnresponsive. |
| } |
| |
| void RenderWidgetHostImpl::RendererIsResponsive() { |
| if (is_unresponsive_) { |
| is_unresponsive_ = false; |
| if (delegate_) |
| delegate_->RendererResponsive(this); |
| } |
| } |
| |
| void RenderWidgetHostImpl::ClearDisplayedGraphics() { |
| NotifyNewContentRenderingTimeoutForTesting(); |
| if (view_) |
| view_->ClearCompositorFrame(); |
| } |
| |
| void RenderWidgetHostImpl::OnRenderProcessGone(int status, int exit_code) { |
| // RenderFrameHost owns a RenderWidgetHost when it needs one, in which case |
| // it handles destruction. |
| if (!owned_by_render_frame_host_) { |
| // TODO(evanm): This synchronously ends up calling "delete this". |
| // Is that really what we want in response to this message? I'm matching |
| // previous behavior of the code here. |
| Destroy(true); |
| } else { |
| RendererExited(static_cast<base::TerminationStatus>(status), exit_code); |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnHittestData( |
| const FrameHostMsg_HittestData_Params& params) { |
| if (delegate_) |
| delegate_->GetInputEventRouter()->OnHittestData(params); |
| } |
| |
| void RenderWidgetHostImpl::OnClose() { |
| ShutdownAndDestroyWidget(true); |
| } |
| |
| void RenderWidgetHostImpl::OnSetTooltipText( |
| const base::string16& tooltip_text, |
| WebTextDirection text_direction_hint) { |
| if (!GetView()) |
| return; |
| |
| // First, add directionality marks around tooltip text if necessary. |
| // A naive solution would be to simply always wrap the text. However, on |
| // windows, Unicode directional embedding characters can't be displayed on |
| // systems that lack RTL fonts and are instead displayed as empty squares. |
| // |
| // To get around this we only wrap the string when we deem it necessary i.e. |
| // when the locale direction is different than the tooltip direction hint. |
| // |
| // Currently, we use element's directionality as the tooltip direction hint. |
| // An alternate solution would be to set the overall directionality based on |
| // trying to detect the directionality from the tooltip text rather than the |
| // element direction. One could argue that would be a preferable solution |
| // but we use the current approach to match Fx & IE's behavior. |
| base::string16 wrapped_tooltip_text = tooltip_text; |
| if (!tooltip_text.empty()) { |
| if (text_direction_hint == blink::WebTextDirectionLeftToRight) { |
| // Force the tooltip to have LTR directionality. |
| wrapped_tooltip_text = |
| base::i18n::GetDisplayStringInLTRDirectionality(wrapped_tooltip_text); |
| } else if (text_direction_hint == blink::WebTextDirectionRightToLeft && |
| !base::i18n::IsRTL()) { |
| // Force the tooltip to have RTL directionality. |
| base::i18n::WrapStringWithRTLFormatting(&wrapped_tooltip_text); |
| } |
| } |
| view_->SetTooltipText(wrapped_tooltip_text); |
| } |
| |
| void RenderWidgetHostImpl::OnUpdateScreenRectsAck() { |
| waiting_for_screen_rects_ack_ = false; |
| if (!view_) |
| return; |
| |
| if (view_->GetViewBounds() == last_view_screen_rect_ && |
| view_->GetBoundsInRootWindow() == last_window_screen_rect_) { |
| return; |
| } |
| |
| SendScreenRects(); |
| } |
| |
| void RenderWidgetHostImpl::OnRequestMove(const gfx::Rect& pos) { |
| if (view_) { |
| view_->SetBounds(pos); |
| Send(new ViewMsg_Move_ACK(routing_id_)); |
| } |
| } |
| |
| bool RenderWidgetHostImpl::OnSwapCompositorFrame( |
| const IPC::Message& message) { |
| // This trace event is used in |
| // chrome/browser/extensions/api/cast_streaming/performance_test.cc |
| TRACE_EVENT0("test_fps,benchmark", "OnSwapCompositorFrame"); |
| |
| ViewHostMsg_SwapCompositorFrame::Param param; |
| if (!ViewHostMsg_SwapCompositorFrame::Read(&message, ¶m)) |
| return false; |
| cc::CompositorFrame frame(std::move(std::get<1>(param))); |
| uint32_t compositor_frame_sink_id = std::get<0>(param); |
| std::vector<IPC::Message> messages_to_deliver_with_frame; |
| messages_to_deliver_with_frame.swap(std::get<2>(param)); |
| |
| if (!ui::LatencyInfo::Verify(frame.metadata.latency_info, |
| "RenderWidgetHostImpl::OnSwapCompositorFrame")) { |
| std::vector<ui::LatencyInfo>().swap(frame.metadata.latency_info); |
| } |
| |
| latency_tracker_.OnSwapCompositorFrame(&frame.metadata.latency_info); |
| |
| bool is_mobile_optimized = IsMobileOptimizedFrame(frame.metadata); |
| input_router_->NotifySiteIsMobileOptimized(is_mobile_optimized); |
| if (touch_emulator_) |
| touch_emulator_->SetDoubleTapSupportForPageEnabled(!is_mobile_optimized); |
| |
| if (view_) { |
| view_->OnSwapCompositorFrame(compositor_frame_sink_id, std::move(frame)); |
| view_->DidReceiveRendererFrame(); |
| } else { |
| cc::ReturnedResourceArray resources; |
| cc::TransferableResource::ReturnResources(frame.resource_list, &resources); |
| SendReclaimCompositorResources(routing_id_, compositor_frame_sink_id, |
| process_->GetID(), true /* is_swap_ack */, |
| resources); |
| } |
| |
| RenderProcessHost* rph = GetProcess(); |
| for (std::vector<IPC::Message>::const_iterator i = |
| messages_to_deliver_with_frame.begin(); |
| i != messages_to_deliver_with_frame.end(); |
| ++i) { |
| rph->OnMessageReceived(*i); |
| if (i->dispatch_error()) |
| rph->OnBadMessageReceived(*i); |
| } |
| messages_to_deliver_with_frame.clear(); |
| |
| return true; |
| } |
| |
| void RenderWidgetHostImpl::OnUpdateRect( |
| const ViewHostMsg_UpdateRect_Params& params) { |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect"); |
| TimeTicks paint_start = TimeTicks::Now(); |
| |
| // Update our knowledge of the RenderWidget's size. |
| current_size_ = params.view_size; |
| |
| bool is_resize_ack = |
| ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags); |
| |
| // resize_ack_pending_ needs to be cleared before we call DidPaintRect, since |
| // that will end up reaching GetBackingStore. |
| if (is_resize_ack) { |
| DCHECK(!g_check_for_pending_resize_ack || resize_ack_pending_); |
| resize_ack_pending_ = false; |
| } |
| |
| bool is_repaint_ack = |
| ViewHostMsg_UpdateRect_Flags::is_repaint_ack(params.flags); |
| if (is_repaint_ack) { |
| DCHECK(repaint_ack_pending_); |
| TRACE_EVENT_ASYNC_END0( |
| "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this); |
| repaint_ack_pending_ = false; |
| TimeDelta delta = TimeTicks::Now() - repaint_start_time_; |
| UMA_HISTOGRAM_TIMES("MPArch.RWH_RepaintDelta", delta); |
| } |
| |
| DCHECK(!params.view_size.IsEmpty()); |
| |
| DidUpdateBackingStore(params, paint_start); |
| |
| if (auto_resize_enabled_) { |
| bool post_callback = new_auto_size_.IsEmpty(); |
| new_auto_size_ = params.view_size; |
| if (post_callback) { |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&RenderWidgetHostImpl::DelayedAutoResized, |
| weak_factory_.GetWeakPtr())); |
| } |
| } |
| |
| // Log the time delta for processing a paint message. On platforms that don't |
| // support asynchronous painting, this is equivalent to |
| // MPArch.RWH_TotalPaintTime. |
| TimeDelta delta = TimeTicks::Now() - paint_start; |
| UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgUpdateRect", delta); |
| } |
| |
| void RenderWidgetHostImpl::DidUpdateBackingStore( |
| const ViewHostMsg_UpdateRect_Params& params, |
| const TimeTicks& paint_start) { |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::DidUpdateBackingStore"); |
| TimeTicks update_start = TimeTicks::Now(); |
| |
| NotificationService::current()->Notify( |
| NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_BACKING_STORE, |
| Source<RenderWidgetHost>(this), |
| NotificationService::NoDetails()); |
| |
| // We don't need to update the view if the view is hidden. We must do this |
| // early return after the ACK is sent, however, or the renderer will not send |
| // us more data. |
| if (is_hidden_) |
| return; |
| |
| // If we got a resize ack, then perhaps we have another resize to send? |
| bool is_resize_ack = |
| ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags); |
| if (is_resize_ack) |
| WasResized(); |
| |
| // Log the time delta for processing a paint message. |
| TimeTicks now = TimeTicks::Now(); |
| TimeDelta delta = now - update_start; |
| UMA_HISTOGRAM_TIMES("MPArch.RWH_DidUpdateBackingStore", delta); |
| } |
| |
| void RenderWidgetHostImpl::OnQueueSyntheticGesture( |
| const SyntheticGesturePacket& gesture_packet) { |
| // Only allow untrustworthy gestures if explicitly enabled. |
| if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
| cc::switches::kEnableGpuBenchmarking)) { |
| bad_message::ReceivedBadMessage(GetProcess(), |
| bad_message::RWH_SYNTHETIC_GESTURE); |
| return; |
| } |
| |
| QueueSyntheticGesture( |
| SyntheticGesture::Create(*gesture_packet.gesture_params()), |
| base::Bind(&RenderWidgetHostImpl::OnSyntheticGestureCompleted, |
| weak_factory_.GetWeakPtr())); |
| } |
| |
| void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) { |
| SetCursor(cursor); |
| } |
| |
| void RenderWidgetHostImpl::SetTouchEventEmulationEnabled( |
| bool enabled, ui::GestureProviderConfigType config_type) { |
| if (enabled) { |
| if (!touch_emulator_) { |
| touch_emulator_.reset(new TouchEmulator( |
| this, |
| view_.get() ? content::GetScaleFactorForView(view_.get()) : 1.0f)); |
| } |
| touch_emulator_->Enable(config_type); |
| } else { |
| if (touch_emulator_) |
| touch_emulator_->Disable(); |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnTextInputStateChanged( |
| const TextInputState& params) { |
| if (view_) |
| view_->TextInputStateChanged(params); |
| } |
| |
| void RenderWidgetHostImpl::OnImeCompositionRangeChanged( |
| const gfx::Range& range, |
| const std::vector<gfx::Rect>& character_bounds) { |
| if (view_) |
| view_->ImeCompositionRangeChanged(range, character_bounds); |
| } |
| |
| void RenderWidgetHostImpl::OnImeCancelComposition() { |
| if (view_) |
| view_->ImeCancelComposition(); |
| } |
| |
| void RenderWidgetHostImpl::OnLockMouse(bool user_gesture, |
| bool last_unlocked_by_target, |
| bool privileged) { |
| if (pending_mouse_lock_request_) { |
| Send(new ViewMsg_LockMouse_ACK(routing_id_, false)); |
| return; |
| } |
| |
| pending_mouse_lock_request_ = true; |
| if (delegate_) { |
| delegate_->RequestToLockMouse(this, user_gesture, last_unlocked_by_target, |
| privileged && allow_privileged_mouse_lock_); |
| 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() { |
| RejectMouseLockOrUnlockIfNecessary(); |
| } |
| |
| void RenderWidgetHostImpl::OnShowDisambiguationPopup( |
| const gfx::Rect& rect_pixels, |
| const gfx::Size& size, |
| const cc::SharedBitmapId& id) { |
| DCHECK(!rect_pixels.IsEmpty()); |
| DCHECK(!size.IsEmpty()); |
| |
| std::unique_ptr<cc::SharedBitmap> bitmap = |
| HostSharedBitmapManager::current()->GetSharedBitmapFromId(size, id); |
| if (!bitmap) { |
| bad_message::ReceivedBadMessage(GetProcess(), |
| bad_message::RWH_SHARED_BITMAP); |
| return; |
| } |
| |
| DCHECK(bitmap->pixels()); |
| |
| SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height()); |
| SkBitmap zoomed_bitmap; |
| zoomed_bitmap.installPixels(info, bitmap->pixels(), info.minRowBytes()); |
| |
| // Note that |rect| is in coordinates of pixels relative to the window origin. |
| // Aura-based systems will want to convert this to DIPs. |
| if (view_) |
| view_->ShowDisambiguationPopup(rect_pixels, zoomed_bitmap); |
| |
| // It is assumed that the disambiguation popup will make a copy of the |
| // provided zoomed image, so we delete this one. |
| zoomed_bitmap.setPixels(0); |
| Send(new ViewMsg_ReleaseDisambiguationPopupBitmap(GetRoutingID(), id)); |
| } |
| |
| void RenderWidgetHostImpl::SetIgnoreInputEvents(bool ignore_input_events) { |
| ignore_input_events_ = ignore_input_events; |
| } |
| |
| bool RenderWidgetHostImpl::KeyPressListenersHandleEvent( |
| const NativeWebKeyboardEvent& event) { |
| if (event.skip_in_browser || event.type() != WebKeyboardEvent::RawKeyDown) |
| return false; |
| |
| for (size_t i = 0; i < key_press_event_callbacks_.size(); i++) { |
| size_t original_size = key_press_event_callbacks_.size(); |
| if (key_press_event_callbacks_[i].Run(event)) |
| return true; |
| |
| // Check whether the callback that just ran removed itself, in which case |
| // the iterator needs to be decremented to properly account for the removal. |
| size_t current_size = key_press_event_callbacks_.size(); |
| if (current_size != original_size) { |
| DCHECK_EQ(original_size - 1, current_size); |
| --i; |
| } |
| } |
| |
| return false; |
| } |
| |
| InputEventAckState RenderWidgetHostImpl::FilterInputEvent( |
| const blink::WebInputEvent& event, const ui::LatencyInfo& latency_info) { |
| // Don't ignore touch cancel events, since they may be sent while input |
| // events are being ignored in order to keep the renderer from getting |
| // confused about how many touches are active. |
| if (ShouldDropInputEvents() && event.type() != WebInputEvent::TouchCancel) |
| return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
| |
| if (!process_->HasConnection()) |
| return INPUT_EVENT_ACK_STATE_UNKNOWN; |
| |
| if (delegate_) { |
| if (event.type() == WebInputEvent::MouseDown || |
| event.type() == WebInputEvent::TouchStart) { |
| delegate_->FocusOwningWebContents(this); |
| } |
| if (event.type() == WebInputEvent::MouseDown || |
| event.type() == WebInputEvent::GestureScrollBegin || |
| event.type() == WebInputEvent::TouchStart || |
| event.type() == WebInputEvent::RawKeyDown) { |
| delegate_->OnUserInteraction(this, event.type()); |
| } |
| } |
| |
| return view_ ? view_->FilterInputEvent(event) |
| : INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| void RenderWidgetHostImpl::IncrementInFlightEventCount( |
| blink::WebInputEvent::Type event_type) { |
| increment_in_flight_event_count(); |
| if (!is_hidden_) { |
| StartHangMonitorTimeout( |
| hung_renderer_delay_, event_type, |
| RendererUnresponsiveType::RENDERER_UNRESPONSIVE_IN_FLIGHT_EVENTS); |
| } |
| } |
| |
| void RenderWidgetHostImpl::DecrementInFlightEventCount( |
| InputEventAckSource ack_source) { |
| if (decrement_in_flight_event_count() <= 0) { |
| // Cancel pending hung renderer checks since the renderer is responsive. |
| StopHangMonitorTimeout(); |
| } else { |
| // Only restart the hang monitor timer if we got a response from the |
| // main thread. |
| if (ack_source == InputEventAckSource::MAIN_THREAD) |
| RestartHangMonitorTimeoutIfNecessary(); |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnHasTouchEventHandlers(bool has_handlers) { |
| has_touch_handler_ = has_handlers; |
| } |
| |
| void RenderWidgetHostImpl::DidFlush() { |
| if (synthetic_gesture_controller_) |
| synthetic_gesture_controller_->OnDidFlushInput(); |
| } |
| |
| void RenderWidgetHostImpl::DidOverscroll( |
| const ui::DidOverscrollParams& params) { |
| if (view_) |
| view_->DidOverscroll(params); |
| } |
| |
| void RenderWidgetHostImpl::DidStopFlinging() { |
| if (view_) |
| view_->DidStopFlinging(); |
| } |
| |
| void RenderWidgetHostImpl::DispatchInputEventWithLatencyInfo( |
| const blink::WebInputEvent& event, |
| ui::LatencyInfo* latency) { |
| latency_tracker_.OnInputEvent(event, latency); |
| for (auto& observer : input_event_observers_) |
| observer.OnInputEvent(event); |
| } |
| |
| void RenderWidgetHostImpl::OnKeyboardEventAck( |
| const NativeWebKeyboardEventWithLatencyInfo& event, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result); |
| for (auto& input_event_observer : input_event_observers_) |
| input_event_observer.OnInputEventAck(event.event); |
| |
| const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result); |
| |
| // We only send unprocessed key event upwards if we are not hidden, |
| // because the user has moved away from us and no longer expect any effect |
| // of this key event. |
| if (delegate_ && !processed && !is_hidden() && !event.event.skip_in_browser) { |
| delegate_->HandleKeyboardEvent(event.event); |
| |
| // WARNING: This RenderWidgetHostImpl can be deallocated at this point |
| // (i.e. in the case of Ctrl+W, where the call to |
| // HandleKeyboardEvent destroys this RenderWidgetHostImpl). |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnMouseEventAck( |
| const MouseEventWithLatencyInfo& mouse_event, |
| 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(mouse_event.event); |
| } |
| |
| void RenderWidgetHostImpl::OnWheelEventAck( |
| const MouseWheelEventWithLatencyInfo& wheel_event, |
| 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(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, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result); |
| for (auto& input_event_observer : input_event_observers_) |
| input_event_observer.OnInputEventAck(event.event); |
| |
| if (view_) |
| view_->GestureEventAck(event.event, ack_result); |
| } |
| |
| void RenderWidgetHostImpl::OnTouchEventAck( |
| const TouchEventWithLatencyInfo& event, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(event.event, &event.latency, ack_result); |
| for (auto& input_event_observer : input_event_observers_) |
| input_event_observer.OnInputEventAck(event.event); |
| |
| if (touch_emulator_ && |
| touch_emulator_->HandleTouchEventAck(event.event, ack_result)) { |
| return; |
| } |
| |
| if (view_) |
| view_->ProcessAckedTouchEvent(event, ack_result); |
| } |
| |
| void RenderWidgetHostImpl::OnUnexpectedEventAck(UnexpectedEventAckType type) { |
| if (type == BAD_ACK_MESSAGE) { |
| bad_message::ReceivedBadMessage(process_, bad_message::RWH_BAD_ACK_MESSAGE); |
| } else if (type == UNEXPECTED_EVENT_TYPE) { |
| suppress_events_until_keydown_ = false; |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnSyntheticGestureCompleted( |
| SyntheticGesture::Result result) { |
| Send(new InputMsg_SyntheticGestureCompleted(GetRoutingID())); |
| } |
| |
| bool RenderWidgetHostImpl::ShouldDropInputEvents() const { |
| return ignore_input_events_ || process_->IgnoreInputEvents() || !delegate_; |
| } |
| |
| void RenderWidgetHostImpl::SetBackgroundOpaque(bool opaque) { |
| Send(new ViewMsg_SetBackgroundOpaque(GetRoutingID(), opaque)); |
| } |
| |
| void RenderWidgetHostImpl::ExecuteEditCommand(const std::string& command, |
| const std::string& value) { |
| Send(new InputMsg_ExecuteEditCommand(GetRoutingID(), command, value)); |
| } |
| |
| void RenderWidgetHostImpl::ScrollFocusedEditableNodeIntoRect( |
| const gfx::Rect& rect) { |
| Send(new InputMsg_ScrollFocusedEditableNodeIntoRect(GetRoutingID(), rect)); |
| } |
| |
| void RenderWidgetHostImpl::MoveCaret(const gfx::Point& point) { |
| Send(new InputMsg_MoveCaret(GetRoutingID(), point)); |
| } |
| |
| bool RenderWidgetHostImpl::GotResponseToLockMouseRequest(bool allowed) { |
| if (!allowed) { |
| RejectMouseLockOrUnlockIfNecessary(); |
| return false; |
| } |
| |
| if (!pending_mouse_lock_request_) { |
| // This is possible, e.g., the plugin sends us an unlock request before |
| // the user allows to lock to mouse. |
| return false; |
| } |
| |
| pending_mouse_lock_request_ = false; |
| if (!view_ || !view_->HasFocus()|| !view_->LockMouse()) { |
| Send(new ViewMsg_LockMouse_ACK(routing_id_, false)); |
| return false; |
| } |
| |
| Send(new ViewMsg_LockMouse_ACK(routing_id_, true)); |
| return true; |
| } |
| |
| // static |
| void RenderWidgetHostImpl::SendReclaimCompositorResources( |
| int32_t route_id, |
| uint32_t compositor_frame_sink_id, |
| int renderer_host_id, |
| bool is_swap_ack, |
| const cc::ReturnedResourceArray& resources) { |
| RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id); |
| if (!host) |
| return; |
| host->Send(new ViewMsg_ReclaimCompositorResources( |
| route_id, compositor_frame_sink_id, is_swap_ack, resources)); |
| } |
| |
| void RenderWidgetHostImpl::DelayedAutoResized() { |
| gfx::Size new_size = new_auto_size_; |
| // Clear the new_auto_size_ since the empty value is used as a flag to |
| // indicate that no callback is in progress (i.e. without this line |
| // DelayedAutoResized will not get called again). |
| new_auto_size_.SetSize(0, 0); |
| if (!auto_resize_enabled_) |
| return; |
| |
| if (delegate_) |
| delegate_->ResizeDueToAutoResize(this, new_size); |
| } |
| |
| void RenderWidgetHostImpl::DetachDelegate() { |
| delegate_ = NULL; |
| latency_tracker_.SetDelegate(nullptr); |
| } |
| |
| void RenderWidgetHostImpl::FrameSwapped(const ui::LatencyInfo& latency_info) { |
| ui::LatencyInfo::LatencyComponent window_snapshot_component; |
| if (latency_info.FindLatency(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT, |
| GetLatencyComponentId(), |
| &window_snapshot_component)) { |
| int sequence_number = static_cast<int>( |
| window_snapshot_component.sequence_number); |
| #if defined(OS_MACOSX) |
| // On Mac, when using CoreAnmation, there is a delay between when content |
| // is drawn to the screen, and when the snapshot will actually pick up |
| // that content. Insert a manual delay of 1/6th of a second (to simulate |
| // 10 frames at 60 fps) before actually taking the snapshot. |
| base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&RenderWidgetHostImpl::WindowSnapshotReachedScreen, |
| weak_factory_.GetWeakPtr(), sequence_number), |
| base::TimeDelta::FromSecondsD(1. / 6)); |
| #else |
| WindowSnapshotReachedScreen(sequence_number); |
| #endif |
| } |
| |
| const bool is_running_navigation_hint_task = |
| static_cast<ServiceWorkerContextWrapper*>( |
| GetProcess()->GetStoragePartition()->GetServiceWorkerContext()) |
| ->IsRunningNavigationHintTask(GetProcess()->GetID()); |
| latency_tracker_.OnFrameSwapped(latency_info, |
| is_running_navigation_hint_task); |
| } |
| |
| void RenderWidgetHostImpl::DidReceiveRendererFrame() { |
| view_->DidReceiveRendererFrame(); |
| } |
| |
| void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) { |
| DCHECK(base::MessageLoopForUI::IsCurrent()); |
| |
| #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().y()); |
| #else |
| gfx::Rect snapshot_bounds(GetView()->GetViewBounds().size()); |
| #endif |
| |
| gfx::Image image; |
| if (ui::GrabViewSnapshot(GetView()->GetNativeView(), snapshot_bounds, |
| &image)) { |
| OnSnapshotReceived(snapshot_id, image); |
| return; |
| } |
| |
| ui::GrabViewSnapshotAsync( |
| GetView()->GetNativeView(), snapshot_bounds, |
| base::Bind(&RenderWidgetHostImpl::OnSnapshotReceived, |
| weak_factory_.GetWeakPtr(), snapshot_id)); |
| } |
| |
| void RenderWidgetHostImpl::OnSnapshotReceived(int snapshot_id, |
| const gfx::Image& image) { |
| // Any pending snapshots with a lower ID than the one received are considered |
| // to be implicitly complete, and returned the same snapshot data. |
| PendingSnapshotMap::iterator it = pending_browser_snapshots_.begin(); |
| while (it != pending_browser_snapshots_.end()) { |
| if (it->first <= snapshot_id) { |
| it->second.Run(image); |
| pending_browser_snapshots_.erase(it++); |
| } else { |
| ++it; |
| } |
| } |
| #if defined(OS_MACOSX) |
| if (pending_browser_snapshots_.empty()) |
| power_save_blocker_.reset(); |
| #endif |
| } |
| |
| // static |
| void RenderWidgetHostImpl::CompositorFrameDrawn( |
| const std::vector<ui::LatencyInfo>& latency_info) { |
| for (size_t i = 0; i < latency_info.size(); i++) { |
| std::set<RenderWidgetHostImpl*> rwhi_set; |
| for (const auto& lc : latency_info[i].latency_components()) { |
| if (lc.first.first == ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT || |
| lc.first.first == ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT || |
| lc.first.first == ui::TAB_SHOW_COMPONENT) { |
| // Matches with GetLatencyComponentId |
| int routing_id = lc.first.second & 0xffffffff; |
| int process_id = (lc.first.second >> 32) & 0xffffffff; |
| RenderWidgetHost* rwh = |
| RenderWidgetHost::FromID(process_id, routing_id); |
| if (!rwh) { |
| continue; |
| } |
| RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh); |
| if (rwhi_set.insert(rwhi).second) |
| rwhi->FrameSwapped(latency_info[i]); |
| } |
| } |
| } |
| } |
| |
| BrowserAccessibilityManager* |
| RenderWidgetHostImpl::GetRootBrowserAccessibilityManager() { |
| return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL; |
| } |
| |
| BrowserAccessibilityManager* |
| RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() { |
| return delegate_ ? |
| delegate_->GetOrCreateRootBrowserAccessibilityManager() : NULL; |
| } |
| |
| void RenderWidgetHostImpl::GrantFileAccessFromDropData(DropData* drop_data) { |
| DCHECK_EQ(GetRoutingID(), drop_data->view_id); |
| const int renderer_id = GetProcess()->GetID(); |
| ChildProcessSecurityPolicyImpl* policy = |
| ChildProcessSecurityPolicyImpl::GetInstance(); |
| |
| #if defined(OS_CHROMEOS) |
| // The externalfile:// scheme is used in Chrome OS to open external files in a |
| // browser tab. |
| if (drop_data->url.SchemeIs(content::kExternalFileScheme)) |
| policy->GrantRequestURL(renderer_id, drop_data->url); |
| #endif |
| |
| // The filenames vector represents a capability to access the given files. |
| storage::IsolatedContext::FileInfoSet files; |
| for (auto& filename : drop_data->filenames) { |
| // Make sure we have the same display_name as the one we register. |
| if (filename.display_name.empty()) { |
| std::string name; |
| files.AddPath(filename.path, &name); |
| filename.display_name = base::FilePath::FromUTF8Unsafe(name); |
| } else { |
| files.AddPathWithName(filename.path, |
| filename.display_name.AsUTF8Unsafe()); |
| } |
| // A dragged file may wind up as the value of an input element, or it |
| // may be used as the target of a navigation instead. We don't know |
| // which will happen at this point, so generously grant both access |
| // and request permissions to the specific file to cover both cases. |
| // We do not give it the permission to request all file:// URLs. |
| policy->GrantRequestSpecificFileURL(renderer_id, |
| net::FilePathToFileURL(filename.path)); |
| |
| // If the renderer already has permission to read these paths, we don't need |
| // to re-grant them. This prevents problems with DnD for files in the CrOS |
| // file manager--the file manager already had read/write access to those |
| // directories, but dragging a file would cause the read/write access to be |
| // overwritten with read-only access, making them impossible to delete or |
| // rename until the renderer was killed. |
| if (!policy->CanReadFile(renderer_id, filename.path)) |
| policy->GrantReadFile(renderer_id, filename.path); |
| } |
| |
| storage::IsolatedContext* isolated_context = |
| storage::IsolatedContext::GetInstance(); |
| DCHECK(isolated_context); |
| |
| if (!files.fileset().empty()) { |
| std::string filesystem_id = |
| isolated_context->RegisterDraggedFileSystem(files); |
| if (!filesystem_id.empty()) { |
| // Grant the permission iff the ID is valid. |
| policy->GrantReadFileSystem(renderer_id, filesystem_id); |
| } |
| drop_data->filesystem_id = base::UTF8ToUTF16(filesystem_id); |
| } |
| |
| storage::FileSystemContext* file_system_context = |
| GetProcess()->GetStoragePartition()->GetFileSystemContext(); |
| for (auto& file_system_file : drop_data->file_system_files) { |
| storage::FileSystemURL file_system_url = |
| file_system_context->CrackURL(file_system_file.url); |
| |
| std::string register_name; |
| std::string filesystem_id = isolated_context->RegisterFileSystemForPath( |
| file_system_url.type(), file_system_url.filesystem_id(), |
| file_system_url.path(), ®ister_name); |
| |
| if (!filesystem_id.empty()) { |
| // Grant the permission iff the ID is valid. |
| policy->GrantReadFileSystem(renderer_id, filesystem_id); |
| } |
| |
| // Note: We are using the origin URL provided by the sender here. It may be |
| // different from the receiver's. |
| file_system_file.url = |
| GURL(storage::GetIsolatedFileSystemRootURIString( |
| file_system_url.origin(), filesystem_id, std::string()) |
| .append(register_name)); |
| file_system_file.filesystem_id = filesystem_id; |
| } |
| } |
| |
| } // namespace content |