| // 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 <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/metrics/field_trial.h" |
| #include "base/metrics/histogram.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/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 "cc/output/compositor_frame_ack.h" |
| #include "content/browser/accessibility/accessibility_mode_helper.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/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_impl.h" |
| #include "content/browser/renderer_host/render_widget_helper.h" |
| #include "content/browser/renderer_host/render_widget_host_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host_input_event_router.h" |
| #include "content/browser/renderer_host/render_widget_host_owner_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host_view_base.h" |
| #include "content/common/content_constants_internal.h" |
| #include "content/common/content_switches_internal.h" |
| #include "content/common/cursors/webcursor.h" |
| #include "content/common/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/view_messages.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/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 "skia/ext/image_operations.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "third_party/WebKit/public/web/WebCompositionUnderline.h" |
| #include "ui/events/event.h" |
| #include "ui/events/keycodes/keyboard_codes.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| #include "ui/gfx/geometry/vector2d_conversions.h" |
| #include "ui/gfx/skbitmap_operations.h" |
| #include "ui/snapshot/snapshot.h" |
| |
| #if defined(OS_WIN) |
| #include "content/common/plugin_constants_win.h" |
| #endif |
| |
| #if defined(OS_MACOSX) |
| #include "ui/accelerated_widget_mac/window_resize_helper_mac.h" |
| #endif |
| |
| using base::Time; |
| using base::TimeDelta; |
| using base::TimeTicks; |
| using blink::WebGestureEvent; |
| using blink::WebInputEvent; |
| using blink::WebKeyboardEvent; |
| using blink::WebMouseEvent; |
| using blink::WebMouseWheelEvent; |
| using blink::WebTextDirection; |
| |
| namespace content { |
| namespace { |
| |
| // The amount of time after a mouse wheel event is sent to the delegate |
| // OnUserInteraction method before another mouse wheel event will be sent. This |
| // interval is used by the Blink EventHandler in its orthogonal heuristic for |
| // detecting the end of a scroll event (if no event has been seen in 0.1 |
| // seconds, send an end scroll). |
| const double kMouseWheelCoalesceIntervalInSeconds = 0.1; |
| |
| 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; |
| wrap_gesture_scroll_begin.type = blink::WebInputEvent::GestureScrollBegin; |
| 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; |
| |
| 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; |
| wrap_gesture_scroll_end.type = blink::WebInputEvent::GestureScrollEnd; |
| wrap_gesture_scroll_end.sourceDevice = gesture_event.sourceDevice; |
| wrap_gesture_scroll_end.resendingPluginId = gesture_event.resendingPluginId; |
| |
| return wrap_gesture_scroll_end; |
| } |
| |
| } // 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), |
| color_profile_out_of_date_(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_next_char_events_(false), |
| pending_mouse_lock_request_(false), |
| allow_privileged_mouse_lock_(false), |
| has_touch_handler_(false), |
| is_in_gesture_scroll_(false), |
| received_paint_after_load_(false), |
| next_browser_snapshot_id_(1), |
| owned_by_render_frame_host_(false), |
| is_focused_(false), |
| scale_input_to_viewport_(IsUseZoomForDSFEnabled()), |
| hung_renderer_delay_( |
| base::TimeDelta::FromMilliseconds(kHungRendererDelayMs)), |
| new_content_rendering_delay_( |
| base::TimeDelta::FromMilliseconds(kNewContentRenderingDelayMs)), |
| mouse_wheel_coalesce_timer_(new base::ElapsedTimer()), |
| weak_factory_(this) { |
| CHECK(delegate_); |
| CHECK_NE(MSG_ROUTING_NONE, routing_id_); |
| |
| 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 |
| scoped_ptr<RenderWidgetHostIterator> RenderWidgetHost::GetRenderWidgetHosts() { |
| scoped_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 |
| scoped_ptr<RenderWidgetHostIterator> |
| RenderWidgetHostImpl::GetAllRenderWidgetHosts() { |
| scoped_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(); |
| else |
| view_.reset(); |
| |
| // If the renderer has not yet been initialized, then the surface ID |
| // namespace will be sent during initialization. |
| if (view_ && renderer_initialized_) { |
| Send(new ViewMsg_SetSurfaceIdNamespace(routing_id_, |
| view_->GetSurfaceIdNamespace())); |
| } |
| |
| synthetic_gesture_controller_.reset(); |
| } |
| |
| RenderProcessHost* RenderWidgetHostImpl::GetProcess() const { |
| return process_; |
| } |
| |
| int RenderWidgetHostImpl::GetRoutingID() const { |
| return routing_id_; |
| } |
| |
| RenderWidgetHostViewBase* RenderWidgetHostImpl::GetView() const { |
| return view_.get(); |
| } |
| |
| gfx::NativeViewId RenderWidgetHostImpl::GetNativeViewId() const { |
| if (view_) |
| return view_->GetNativeViewId(); |
| return 0; |
| } |
| |
| 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::SuppressNextCharEvents() { |
| suppress_next_char_events_ = 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; |
| |
| // If the RWHV has not yet been set, the surface ID namespace will get |
| // passed down by the call to SetView(). |
| if (view_) { |
| Send(new ViewMsg_SetSurfaceIdNamespace(routing_id_, |
| view_->GetSurfaceIdNamespace())); |
| } |
| |
| 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 messages if the RenderWidget is alive. |
| if (!renderer_initialized()) |
| return false; |
| |
| 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_SelectionChanged, OnSelectionChanged) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged, |
| OnSelectionBoundsChanged) |
| #if defined(OS_WIN) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowCreated, |
| OnWindowlessPluginDummyWindowCreated) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowDestroyed, |
| OnWindowlessPluginDummyWindowDestroyed) |
| #endif |
| IPC_MESSAGE_HANDLER(InputHostMsg_ImeCompositionRangeChanged, |
| OnImeCompositionRangeChanged) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstPaintAfterLoad, |
| OnFirstPaintAfterLoad) |
| IPC_MESSAGE_HANDLER(ViewHostMsg_ForwardCompositorProto, |
| OnForwardCompositorProto) |
| 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(make_scoped_ptr(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(); |
| |
| // When hidden, timeout monitoring for input events is disabled. Restore it |
| // now to ensure consistent hang detection. |
| if (in_flight_event_count_) |
| RestartHangMonitorTimeout(); |
| |
| // 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(); |
| |
| GetWebScreenInfo(&resize_params->screen_info); |
| if (delegate_) { |
| resize_params->resizer_rect = delegate_->GetRootWindowResizerRect(this); |
| resize_params->is_fullscreen_granted = |
| delegate_->IsFullscreenForCurrentTab(this); |
| 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(); |
| resize_params->physical_backing_size = view_->GetPhysicalBackingSize(); |
| resize_params->top_controls_height = view_->GetTopControlsHeight(); |
| resize_params->top_controls_shrink_blink_size = |
| view_->DoTopControlsShrinkBlinkSize(); |
| 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_->top_controls_shrink_blink_size != |
| resize_params->top_controls_shrink_blink_size || |
| 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_ = make_scoped_ptr(new 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_) { |
| if (resize_ack_pending_ && color_profile_out_of_date_) |
| DispatchColorProfile(); |
| return; |
| } |
| |
| scoped_ptr<ResizeParams> params(new ResizeParams); |
| if (color_profile_out_of_date_) |
| DispatchColorProfile(); |
| 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::DispatchColorProfile() { |
| #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) |
| static bool image_profiles = base::CommandLine::ForCurrentProcess()-> |
| HasSwitch(switches::kEnableImageColorProfiles); |
| if (!image_profiles) |
| return; |
| #if defined(OS_WIN) |
| // Windows will read disk to get the color profile data if needed, so |
| // dispatch the SendColorProfile() work off the UI thread. |
| BrowserThread::PostBlockingPoolTask( |
| FROM_HERE, |
| base::Bind(&RenderWidgetHostImpl::SendColorProfile, |
| weak_factory_.GetWeakPtr())); |
| #elif !defined(OS_CHROMEOS) && !defined(OS_ANDROID) |
| // Only support desktop Mac and Linux at this time. |
| SendColorProfile(); |
| #endif |
| #endif |
| } |
| |
| void RenderWidgetHostImpl::SendColorProfile() { |
| if (!view_ || !delegate_) |
| return; |
| DCHECK(!view_->GetRequestedRendererSize().IsEmpty()); |
| #if defined(OS_WIN) |
| DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| #endif |
| std::vector<char> color_profile; |
| if (!GetScreenColorProfile(&color_profile)) |
| return; |
| if (!renderer_initialized_ || !process_->HasConnection()) |
| return; |
| if (!Send(new ViewMsg_ColorProfile(routing_id_, color_profile))) |
| return; |
| color_profile_out_of_date_ = false; |
| } |
| |
| void RenderWidgetHostImpl::ResizeRectChanged(const gfx::Rect& new_rect) { |
| Send(new ViewMsg_ChangeResizeRect(routing_id_, new_rect)); |
| } |
| |
| void RenderWidgetHostImpl::GotFocus() { |
| Focus(); |
| if (owner_delegate_) |
| owner_delegate_->RenderWidgetGotFocus(); |
| if (delegate_) |
| delegate_->RenderWidgetGotFocus(this); |
| } |
| |
| void RenderWidgetHostImpl::Focus() { |
| is_focused_ = true; |
| |
| Send(new InputMsg_SetFocus(routing_id_, true)); |
| |
| // Also send page-level focus state to other SiteInstances involved in |
| // rendering the current FrameTree. |
| if (RenderViewHost::From(this) && delegate_) |
| delegate_->ReplicatePageFocus(true); |
| } |
| |
| void RenderWidgetHostImpl::Blur() { |
| is_focused_ = false; |
| |
| // 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_, false)); |
| |
| // Also send page-level focus state to other SiteInstances involved in |
| // rendering the current FrameTree. |
| if (RenderViewHost::From(this) && delegate_) |
| delegate_->ReplicatePageFocus(false); |
| } |
| |
| 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() { |
| Send(new ViewMsg_MouseLockLost(routing_id_)); |
| |
| if (delegate_) |
| delegate_->LostMouseLock(this); |
| } |
| |
| void RenderWidgetHostImpl::ViewDestroyed() { |
| RejectMouseLockOrUnlockIfNecessary(); |
| |
| // TODO(evanm): tracking this may no longer be necessary; |
| // eliminate this function if so. |
| SetView(NULL); |
| } |
| |
| void RenderWidgetHostImpl::CopyFromBackingStore( |
| const gfx::Rect& src_subrect, |
| const gfx::Size& accelerated_dst_size, |
| const ReadbackRequestCallback& callback, |
| const SkColorType preferred_color_type) { |
| if (view_) { |
| TRACE_EVENT0("browser", |
| "RenderWidgetHostImpl::CopyFromBackingStore::FromCompositingSurface"); |
| gfx::Rect accelerated_copy_rect = src_subrect.IsEmpty() ? |
| gfx::Rect(view_->GetViewBounds().size()) : src_subrect; |
| view_->CopyFromCompositingSurface(accelerated_copy_rect, |
| accelerated_dst_size, callback, |
| preferred_color_type); |
| return; |
| } |
| |
| callback.Run(SkBitmap(), content::READBACK_FAILED); |
| } |
| |
| bool RenderWidgetHostImpl::CanCopyFromBackingStore() { |
| if (view_) |
| return view_->IsSurfaceAvailableForCopy(); |
| return false; |
| } |
| |
| void RenderWidgetHostImpl::LockBackingStore() { |
| if (view_) |
| view_->LockCompositingSurface(); |
| } |
| |
| void RenderWidgetHostImpl::UnlockBackingStore() { |
| if (view_) |
| view_->UnlockCompositingSurface(); |
| } |
| |
| #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) { |
| if (hang_monitor_timeout_) |
| hang_monitor_timeout_->Start(delay); |
| } |
| |
| void RenderWidgetHostImpl::RestartHangMonitorTimeout() { |
| if (hang_monitor_timeout_) |
| hang_monitor_timeout_->Restart(hung_renderer_delay_); |
| } |
| |
| void RenderWidgetHostImpl::StopHangMonitorTimeout() { |
| if (hang_monitor_timeout_) |
| hang_monitor_timeout_->Stop(); |
| 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; |
| } |
| } |
| |
| void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) { |
| ForwardMouseEventWithLatencyInfo(mouse_event, ui::LatencyInfo()); |
| 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); |
| latency_tracker_.OnInputEvent(mouse_event, &mouse_with_latency.latency); |
| input_router_->SendMouseEvent(mouse_with_latency); |
| |
| // Pass mouse state to gpu service if the subscribe uniform |
| // extension is enabled. |
| if (process_->SubscribeUniformEnabled()) { |
| gpu::ValueState state; |
| state.int_value[0] = mouse_event.x; |
| state.int_value[1] = mouse_event.y; |
| // TODO(orglofch) Separate the mapping of pending value states to the |
| // Gpu Service to be per RWH not per process |
| process_->SendUpdateValueState(GL_MOUSE_POSITION_CHROMIUM, state); |
| } |
| } |
| |
| void RenderWidgetHostImpl::ForwardWheelEvent( |
| const WebMouseWheelEvent& wheel_event) { |
| ForwardWheelEventWithLatencyInfo(wheel_event, ui::LatencyInfo()); |
| } |
| |
| 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); |
| latency_tracker_.OnInputEvent(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::LatencyInfo()); |
| } |
| |
| 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 |
| 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_; |
| |
| if (scroll_update_needs_wrapping) { |
| ForwardGestureEventWithLatencyInfo( |
| CreateScrollBeginForWrapping(gesture_event), ui::LatencyInfo()); |
| } |
| |
| // Delegate must be non-null, due to |ShouldDropInputEvents()| test. |
| if (delegate_->PreHandleGestureEvent(gesture_event)) |
| return; |
| |
| GestureEventWithLatencyInfo gesture_with_latency(gesture_event, ui_latency); |
| latency_tracker_.OnInputEvent(gesture_event, &gesture_with_latency.latency); |
| input_router_->SendGestureEvent(gesture_with_latency); |
| |
| if (scroll_update_needs_wrapping) { |
| ForwardGestureEventWithLatencyInfo( |
| CreateScrollEndForWrapping(gesture_event), ui::LatencyInfo()); |
| } |
| } |
| |
| void RenderWidgetHostImpl::ForwardEmulatedTouchEvent( |
| const blink::WebTouchEvent& touch_event) { |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardEmulatedTouchEvent"); |
| |
| TouchEventWithLatencyInfo touch_with_latency(touch_event); |
| latency_tracker_.OnInputEvent(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; |
| } |
| |
| latency_tracker_.OnInputEvent(touch_event, &touch_with_latency.latency); |
| input_router_->SendTouchEvent(touch_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::ForwardKeyboardEvent( |
| const NativeWebKeyboardEvent& key_event) { |
| TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent"); |
| if (owner_delegate_ && |
| !owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) { |
| return; |
| } |
| |
| if (ShouldDropInputEvents()) |
| return; |
| |
| if (!process_->HasConnection()) |
| return; |
| |
| // First, let keypress listeners take a shot at handling the event. If a |
| // listener handles the event, it should not be propagated to the renderer. |
| if (KeyPressListenersHandleEvent(key_event)) { |
| // Some keypresses that are accepted by the listener might have follow up |
| // char events, which should be ignored. |
| if (key_event.type == WebKeyboardEvent::RawKeyDown) |
| suppress_next_char_events_ = 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_next_char_events_) { |
| // If preceding RawKeyDown event was handled by the browser, then we need |
| // suppress all Char events generated by it. Please note that, one |
| // RawKeyDown event may generate multiple Char events, so we can't reset |
| // |suppress_next_char_events_| until we get a KeyUp or a RawKeyDown. |
| if (key_event.type == WebKeyboardEvent::Char) |
| return; |
| // We get a KeyUp or a RawKeyDown event. |
| suppress_next_char_events_ = 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_next_char_events_| to true if |
| // PreHandleKeyboardEvent() returns true, but |this| may already be |
| // destroyed at that time. So set |suppress_next_char_events_| true here, |
| // then revert it afterwards when necessary. |
| if (key_event.type == WebKeyboardEvent::RawKeyDown) |
| suppress_next_char_events_ = 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_next_char_events_ = false; |
| } |
| |
| if (touch_emulator_ && touch_emulator_->HandleKeyboardEvent(key_event)) |
| return; |
| |
| NativeWebKeyboardEventWithLatencyInfo key_event_with_latency(key_event); |
| key_event_with_latency.event.isBrowserShortcut = is_shortcut; |
| latency_tracker_.OnInputEvent(key_event, &key_event_with_latency.latency); |
| input_router_->SendKeyboardEvent(key_event_with_latency); |
| } |
| |
| void RenderWidgetHostImpl::QueueSyntheticGesture( |
| scoped_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::GetWebScreenInfo(blink::WebScreenInfo* result) { |
| TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetWebScreenInfo"); |
| if (view_) |
| view_->GetScreenInfo(result); |
| else |
| RenderWidgetHostViewBase::GetDefaultScreenInfo(result); |
| // TODO(sievers): find a way to make this done another way so the method |
| // can be const. |
| latency_tracker_.set_device_scale_factor(result->deviceScaleFactor); |
| if (scale_input_to_viewport_) |
| input_router_->SetDeviceScaleFactor(result->deviceScaleFactor); |
| } |
| |
| bool RenderWidgetHostImpl::GetScreenColorProfile( |
| std::vector<char>* color_profile) { |
| DCHECK(color_profile->empty()); |
| if (view_) |
| return view_->GetScreenColorProfile(color_profile); |
| return false; |
| } |
| |
| void RenderWidgetHostImpl::HandleCompositorProto( |
| const std::vector<uint8_t>& proto) { |
| DCHECK(!proto.empty()); |
| Send(new ViewMsg_HandleCompositorProto(GetRoutingID(), proto)); |
| } |
| |
| void RenderWidgetHostImpl::NotifyScreenInfoChanged() { |
| color_profile_out_of_date_ = true; |
| |
| 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(); |
| } |
| |
| void RenderWidgetHostImpl::GetSnapshotFromBrowser( |
| const GetSnapshotFromBrowserCallback& callback) { |
| int id = next_browser_snapshot_id_++; |
| pending_browser_snapshots_.insert(std::make_pair(id, callback)); |
| Send(new ViewMsg_ForceRedraw(GetRoutingID(), id)); |
| } |
| |
| const NativeWebKeyboardEvent* |
| RenderWidgetHostImpl::GetLastKeyboardEvent() const { |
| return input_router_->GetLastKeyboardEvent(); |
| } |
| |
| void RenderWidgetHostImpl::OnSelectionChanged(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::OnForwardCompositorProto( |
| const std::vector<uint8_t>& proto) { |
| if (delegate_) |
| delegate_->ForwardCompositorProto(this, proto); |
| } |
| |
| void RenderWidgetHostImpl::UpdateVSyncParameters(base::TimeTicks timebase, |
| base::TimeDelta interval) { |
| Send(new ViewMsg_UpdateVSyncParameters(GetRoutingID(), timebase, interval)); |
| } |
| |
| 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_next_char_events_ = 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::ImeConfirmComposition( |
| const base::string16& text, |
| const gfx::Range& replacement_range, |
| bool keep_selection) { |
| Send(new InputMsg_ImeConfirmComposition( |
| GetRoutingID(), text, replacement_range, 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; |
| if (delegate_) |
| delegate_->RendererUnresponsive(this); |
| } |
| |
| 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) { |
| // 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); |
| } |
| } |
| if (GetView()) |
| 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; |
| scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame); |
| uint32_t output_surface_id = base::get<0>(param); |
| base::get<1>(param).AssignTo(frame.get()); |
| std::vector<IPC::Message> messages_to_deliver_with_frame; |
| messages_to_deliver_with_frame.swap(base::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(output_surface_id, std::move(frame)); |
| view_->DidReceiveRendererFrame(); |
| } else { |
| cc::CompositorFrameAck ack; |
| if (frame->gl_frame_data) { |
| ack.gl_frame_data = std::move(frame->gl_frame_data); |
| ack.gl_frame_data->sync_token.Clear(); |
| } else if (frame->delegated_frame_data) { |
| cc::TransferableResource::ReturnResources( |
| frame->delegated_frame_data->resource_list, |
| &ack.resources); |
| } |
| SendSwapCompositorFrameAck(routing_id_, output_surface_id, |
| process_->GetID(), ack); |
| } |
| |
| 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 ViewHostMsg_TextInputState_Params& 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; |
| } |
| if (IsMouseLocked()) { |
| Send(new ViewMsg_LockMouse_ACK(routing_id_, true)); |
| return; |
| } |
| |
| pending_mouse_lock_request_ = true; |
| if (privileged && allow_privileged_mouse_lock_) { |
| // Directly approve to lock the mouse. |
| GotResponseToLockMouseRequest(true); |
| } else { |
| if (delegate_) { |
| delegate_->RequestToLockMouse(this, user_gesture, |
| last_unlocked_by_target); |
| return; |
| } |
| // If there's no delegate, 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()); |
| |
| scoped_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)); |
| } |
| |
| #if defined(OS_WIN) |
| void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowCreated( |
| gfx::NativeViewId dummy_activation_window) { |
| HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window); |
| |
| // This may happen as a result of a race condition when the plugin is going |
| // away. |
| wchar_t window_title[MAX_PATH + 1] = {0}; |
| if (!IsWindow(hwnd) || |
| !GetWindowText(hwnd, window_title, arraysize(window_title)) || |
| lstrcmpiW(window_title, kDummyActivationWindowName) != 0) { |
| return; |
| } |
| |
| #if defined(USE_AURA) |
| SetParent(hwnd, |
| reinterpret_cast<HWND>(view_->GetParentForWindowlessPlugin())); |
| #else |
| SetParent(hwnd, reinterpret_cast<HWND>(GetNativeViewId())); |
| #endif |
| dummy_windows_for_activation_.push_back(hwnd); |
| } |
| |
| void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowDestroyed( |
| gfx::NativeViewId dummy_activation_window) { |
| HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window); |
| std::list<HWND>::iterator i = dummy_windows_for_activation_.begin(); |
| for (; i != dummy_windows_for_activation_.end(); ++i) { |
| if ((*i) == hwnd) { |
| dummy_windows_for_activation_.erase(i); |
| return; |
| } |
| } |
| NOTREACHED() << "Unknown dummy window"; |
| } |
| #endif |
| |
| 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::GestureTapDown || |
| event.type == WebInputEvent::RawKeyDown) { |
| delegate_->OnUserInteraction(this, event.type); |
| } else if (event.type == WebInputEvent::MouseWheel) { |
| if (mouse_wheel_coalesce_timer_->Elapsed().InSecondsF() > |
| kMouseWheelCoalesceIntervalInSeconds) { |
| // TODO(dominickn): once GestureScrollBegin has landed on all platforms, |
| // replace this branch and remove. |
| delegate_->OnUserInteraction(this, event.type); |
| } |
| |
| mouse_wheel_coalesce_timer_.reset(new base::ElapsedTimer()); |
| } |
| } |
| |
| return view_ ? view_->FilterInputEvent(event) |
| : INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| void RenderWidgetHostImpl::IncrementInFlightEventCount() { |
| increment_in_flight_event_count(); |
| if (!is_hidden_) |
| StartHangMonitorTimeout(hung_renderer_delay_); |
| } |
| |
| void RenderWidgetHostImpl::DecrementInFlightEventCount() { |
| if (decrement_in_flight_event_count() <= 0) { |
| // Cancel pending hung renderer checks since the renderer is responsive. |
| StopHangMonitorTimeout(); |
| } else { |
| // The renderer is responsive, but there are in-flight events to wait for. |
| if (!is_hidden_) |
| RestartHangMonitorTimeout(); |
| } |
| } |
| |
| 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 DidOverscrollParams& params) { |
| if (view_) |
| view_->DidOverscroll(params); |
| } |
| |
| void RenderWidgetHostImpl::DidStopFlinging() { |
| if (view_) |
| view_->DidStopFlinging(); |
| } |
| |
| void RenderWidgetHostImpl::OnKeyboardEventAck( |
| const NativeWebKeyboardEventWithLatencyInfo& event, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(event.event, &event.latency); |
| |
| #if defined(OS_MACOSX) |
| if (!is_hidden() && view_ && view_->PostProcessEventForPluginIme(event.event)) |
| return; |
| #endif |
| |
| // 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. |
| const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result); |
| 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); |
| } |
| |
| void RenderWidgetHostImpl::OnWheelEventAck( |
| const MouseWheelEventWithLatencyInfo& wheel_event, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(wheel_event.event, &wheel_event.latency); |
| |
| 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); |
| |
| if (view_) |
| view_->GestureEventAck(event.event, ack_result); |
| } |
| |
| void RenderWidgetHostImpl::OnTouchEventAck( |
| const TouchEventWithLatencyInfo& event, |
| InputEventAckState ack_result) { |
| latency_tracker_.OnInputEventAck(event.event, &event.latency); |
| |
| 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_next_char_events_ = 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::SetEditCommandsForNextKeyEvent( |
| const std::vector<EditCommand>& commands) { |
| Send(new InputMsg_SetEditCommandsForNextKeyEvent(GetRoutingID(), commands)); |
| } |
| |
| 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::SendSwapCompositorFrameAck( |
| int32_t route_id, |
| uint32_t output_surface_id, |
| int renderer_host_id, |
| const cc::CompositorFrameAck& ack) { |
| RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id); |
| if (!host) |
| return; |
| host->Send(new ViewMsg_SwapCompositorFrameAck( |
| route_id, output_surface_id, ack)); |
| } |
| |
| // static |
| void RenderWidgetHostImpl::SendReclaimCompositorResources( |
| int32_t route_id, |
| uint32_t output_surface_id, |
| int renderer_host_id, |
| const cc::CompositorFrameAck& ack) { |
| RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id); |
| if (!host) |
| return; |
| host->Send( |
| new ViewMsg_ReclaimCompositorResources(route_id, output_surface_id, ack)); |
| } |
| |
| 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; |
| } |
| |
| 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::MessageLoop::current()->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&RenderWidgetHostImpl::WindowSnapshotReachedScreen, |
| weak_factory_.GetWeakPtr(), |
| sequence_number), |
| base::TimeDelta::FromSecondsD(1. / 6)); |
| #else |
| WindowSnapshotReachedScreen(sequence_number); |
| #endif |
| } |
| |
| latency_tracker_.OnFrameSwapped(latency_info); |
| } |
| |
| void RenderWidgetHostImpl::DidReceiveRendererFrame() { |
| view_->DidReceiveRendererFrame(); |
| } |
| |
| void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) { |
| DCHECK(base::MessageLoopForUI::IsCurrent()); |
| |
| gfx::Rect view_bounds = GetView()->GetViewBounds(); |
| gfx::Rect snapshot_bounds(view_bounds.size()); |
| |
| std::vector<unsigned char> png; |
| if (ui::GrabViewSnapshot( |
| GetView()->GetNativeView(), &png, snapshot_bounds)) { |
| OnSnapshotDataReceived(snapshot_id, &png.front(), png.size()); |
| return; |
| } |
| |
| ui::GrabViewSnapshotAsync( |
| GetView()->GetNativeView(), |
| snapshot_bounds, |
| base::ThreadTaskRunnerHandle::Get(), |
| base::Bind(&RenderWidgetHostImpl::OnSnapshotDataReceivedAsync, |
| weak_factory_.GetWeakPtr(), |
| snapshot_id)); |
| } |
| |
| void RenderWidgetHostImpl::OnSnapshotDataReceived(int snapshot_id, |
| const unsigned char* data, |
| size_t size) { |
| // 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(data, size); |
| pending_browser_snapshots_.erase(it++); |
| } else { |
| ++it; |
| } |
| } |
| } |
| |
| void RenderWidgetHostImpl::OnSnapshotDataReceivedAsync( |
| int snapshot_id, |
| scoped_refptr<base::RefCountedBytes> png_data) { |
| if (png_data.get()) |
| OnSnapshotDataReceived(snapshot_id, png_data->front(), png_data->size()); |
| else |
| OnSnapshotDataReceived(snapshot_id, NULL, 0); |
| } |
| |
| // 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; |
| } |
| |
| #if defined(OS_WIN) |
| gfx::NativeViewAccessible |
| RenderWidgetHostImpl::GetParentNativeViewAccessible() { |
| return delegate_ ? delegate_->GetParentNativeViewAccessible() : NULL; |
| } |
| #endif |
| |
| } // namespace content |