| // 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_view_base.h" |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/unguessable_token.h" |
| #include "build/build_config.h" |
| #include "components/viz/common/features.h" |
| #include "components/viz/host/host_frame_sink_manager.h" |
| #include "components/viz/service/frame_sinks/frame_sink_manager_impl.h" |
| #include "content/browser/accessibility/browser_accessibility_manager.h" |
| #include "content/browser/compositor/surface_utils.h" |
| #include "content/browser/frame_host/render_widget_host_view_guest.h" |
| #include "content/browser/gpu/gpu_data_manager_impl.h" |
| #include "content/browser/renderer_host/delegated_frame_host.h" |
| #include "content/browser/renderer_host/display_util.h" |
| #include "content/browser/renderer_host/event_with_latency_info.h" |
| #include "content/browser/renderer_host/input/mouse_wheel_phase_handler.h" |
| #include "content/browser/renderer_host/input/synthetic_gesture_target_base.h" |
| #include "content/browser/renderer_host/render_process_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_host_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host_impl.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_observer.h" |
| #include "content/browser/renderer_host/render_widget_host_view_child_frame.h" |
| #include "content/browser/renderer_host/text_input_manager.h" |
| #include "content/common/content_switches_internal.h" |
| #include "ui/base/layout.h" |
| #include "ui/base/ui_base_types.h" |
| #include "ui/display/screen.h" |
| #include "ui/events/event.h" |
| #include "ui/events/keycodes/dom/dom_code.h" |
| #include "ui/gfx/geometry/dip_util.h" |
| #include "ui/gfx/geometry/point_conversions.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| #include "ui/gfx/geometry/size_f.h" |
| |
| namespace content { |
| |
| RenderWidgetHostViewBase::RenderWidgetHostViewBase(RenderWidgetHost* host) |
| : host_(RenderWidgetHostImpl::From(host)) { |
| host_->render_frame_metadata_provider()->AddObserver(this); |
| } |
| |
| RenderWidgetHostViewBase::~RenderWidgetHostViewBase() { |
| DCHECK(!keyboard_locked_); |
| DCHECK(!IsMouseLocked()); |
| // We call this here to guarantee that observers are notified before we go |
| // away. However, some subclasses may wish to call this earlier in their |
| // shutdown process, e.g. to force removal from |
| // RenderWidgetHostInputEventRouter's surface map before relinquishing a |
| // host pointer, as in RenderWidgetHostViewGuest. There is no harm in calling |
| // NotifyObserversAboutShutdown() twice, as the observers are required to |
| // de-register on the first call, and so the second call does nothing. |
| NotifyObserversAboutShutdown(); |
| // If we have a live reference to |text_input_manager_|, we should unregister |
| // so that the |text_input_manager_| will free its state. |
| if (text_input_manager_) |
| text_input_manager_->Unregister(this); |
| if (host_) |
| host_->render_frame_metadata_provider()->RemoveObserver(this); |
| } |
| |
| RenderWidgetHostImpl* RenderWidgetHostViewBase::GetFocusedWidget() const { |
| return host() && host()->delegate() |
| ? host()->delegate()->GetFocusedRenderWidgetHost(host()) |
| : nullptr; |
| } |
| |
| RenderWidgetHost* RenderWidgetHostViewBase::GetRenderWidgetHost() { |
| return host(); |
| } |
| |
| void RenderWidgetHostViewBase::SetContentBackgroundColor(SkColor color) { |
| if (content_background_color_ == color) |
| return; |
| |
| content_background_color_ = color; |
| UpdateBackgroundColor(); |
| } |
| |
| void RenderWidgetHostViewBase::NotifyObserversAboutShutdown() { |
| // Note: RenderWidgetHostInputEventRouter is an observer, and uses the |
| // following notification to remove this view from its surface owners map. |
| for (auto& observer : observers_) |
| observer.OnRenderWidgetHostViewBaseDestroyed(this); |
| // All observers are required to disconnect after they are notified. |
| DCHECK(!observers_.might_have_observers()); |
| } |
| |
| MouseWheelPhaseHandler* RenderWidgetHostViewBase::GetMouseWheelPhaseHandler() { |
| return nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::StopFlingingIfNecessary( |
| const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) { |
| // Reset view_stopped_flinging_for_test_ at the beginning of the scroll |
| // sequence. |
| if (event.GetType() == blink::WebInputEvent::kGestureScrollBegin) |
| view_stopped_flinging_for_test_ = false; |
| |
| bool processed = INPUT_EVENT_ACK_STATE_CONSUMED == ack_result; |
| if (!processed && |
| event.GetType() == blink::WebInputEvent::kGestureScrollUpdate && |
| event.data.scroll_update.inertial_phase == |
| blink::WebGestureEvent::InertialPhaseState::kMomentum && |
| event.SourceDevice() != blink::WebGestureDevice::kSyntheticAutoscroll) { |
| StopFling(); |
| view_stopped_flinging_for_test_ = true; |
| } |
| } |
| |
| void RenderWidgetHostViewBase::OnRenderFrameMetadataChangedBeforeActivation( |
| const cc::RenderFrameMetadata& metadata) {} |
| |
| void RenderWidgetHostViewBase::OnRenderFrameMetadataChangedAfterActivation() { |
| is_scroll_offset_at_top_ = host_->render_frame_metadata_provider() |
| ->LastRenderFrameMetadata() |
| .is_scroll_offset_at_top; |
| } |
| |
| void RenderWidgetHostViewBase::OnRenderFrameSubmission() {} |
| |
| void RenderWidgetHostViewBase::OnLocalSurfaceIdChanged( |
| const cc::RenderFrameMetadata& metadata) {} |
| |
| void RenderWidgetHostViewBase::UpdateIntrinsicSizingInfo( |
| const blink::WebIntrinsicSizingInfo& sizing_info) {} |
| |
| gfx::Size RenderWidgetHostViewBase::GetCompositorViewportPixelSize() { |
| return gfx::ScaleToCeiledSize(GetRequestedRendererSize(), |
| GetDeviceScaleFactor()); |
| } |
| |
| void RenderWidgetHostViewBase::SelectionBoundsChanged( |
| const WidgetHostMsg_SelectionBounds_Params& params) { |
| #if !defined(OS_ANDROID) |
| if (GetTextInputManager()) |
| GetTextInputManager()->SelectionBoundsChanged(this, params); |
| #else |
| NOTREACHED() << "Selection bounds should be routed through the compositor."; |
| #endif |
| } |
| |
| int RenderWidgetHostViewBase::GetMouseWheelMinimumGranularity() const { |
| // Most platforms can specify the floating-point delta in the wheel event so |
| // they don't have a minimum granularity. Android is currently the only |
| // platform that overrides this. |
| return 0; |
| } |
| |
| RenderWidgetHostViewBase* RenderWidgetHostViewBase::GetRootView() { |
| return this; |
| } |
| |
| void RenderWidgetHostViewBase::SelectionChanged(const base::string16& text, |
| size_t offset, |
| const gfx::Range& range, |
| bool user_initiated) { |
| if (GetTextInputManager()) |
| GetTextInputManager()->SelectionChanged(this, text, offset, range, |
| user_initiated); |
| } |
| |
| gfx::Size RenderWidgetHostViewBase::GetRequestedRendererSize() { |
| return GetViewBounds().size(); |
| } |
| |
| uint32_t RenderWidgetHostViewBase::GetCaptureSequenceNumber() const { |
| // TODO(vmpstr): Implement this for overrides other than aura and child frame. |
| NOTIMPLEMENTED_LOG_ONCE(); |
| return 0u; |
| } |
| |
| ui::TextInputClient* RenderWidgetHostViewBase::GetTextInputClient() { |
| NOTREACHED(); |
| return nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::SetIsInVR(bool is_in_vr) { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| } |
| |
| bool RenderWidgetHostViewBase::IsInVR() const { |
| return false; |
| } |
| |
| viz::FrameSinkId RenderWidgetHostViewBase::GetRootFrameSinkId() { |
| return viz::FrameSinkId(); |
| } |
| |
| bool RenderWidgetHostViewBase::IsSurfaceAvailableForCopy() { |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::CopyMainAndPopupFromSurface( |
| base::WeakPtr<RenderWidgetHostImpl> main_host, |
| base::WeakPtr<DelegatedFrameHost> main_frame_host, |
| base::WeakPtr<RenderWidgetHostImpl> popup_host, |
| base::WeakPtr<DelegatedFrameHost> popup_frame_host, |
| const gfx::Rect& src_subrect, |
| const gfx::Size& dst_size, |
| float scale_factor, |
| base::OnceCallback<void(const SkBitmap&)> callback) { |
| if (!main_host || !main_frame_host) |
| return; |
| |
| #if defined(OS_ANDROID) |
| NOTREACHED() |
| << "RenderWidgetHostViewAndroid::CopyFromSurface calls " |
| "DelegatedFrameHostAndroid::CopyFromCompositingSurface directly, " |
| "and popups are not supported."; |
| return; |
| #else |
| if (!popup_host || !popup_frame_host) { |
| // No popup - just call CopyFromCompositingSurface once. |
| main_frame_host->CopyFromCompositingSurface(src_subrect, dst_size, |
| std::move(callback)); |
| return; |
| } |
| |
| // First locate the popup relative to the main page, in DIPs |
| const gfx::Point parent_location = |
| main_host->GetView()->GetBoundsInRootWindow().origin(); |
| const gfx::Point popup_location = |
| popup_host->GetView()->GetBoundsInRootWindow().origin(); |
| const gfx::Point offset_dips = |
| PointAtOffsetFromOrigin(popup_location - parent_location); |
| const gfx::Vector2d offset_physical = |
| ScaleToFlooredPoint(offset_dips, scale_factor).OffsetFromOrigin(); |
| |
| // Queue up the request for the MAIN frame image first, but with a |
| // callback that launches a second request for the popup image. |
| // 1. Call CopyFromCompositingSurface for the main frame, with callback |
| // |main_image_done_callback|. Inside |main_image_done_callback|: |
| // a. Call CopyFromCompositingSurface again, this time on the popup |
| // frame. For this call, build a new callback, |popup_done_callback|, |
| // which: |
| // i. Takes the main image as a parameter, combines the main image with |
| // the just-acquired popup image, and then calls the original |
| // (outer) callback with the combined image. |
| auto main_image_done_callback = base::BindOnce( |
| [](base::OnceCallback<void(const SkBitmap&)> final_callback, |
| const gfx::Vector2d offset, |
| base::WeakPtr<DelegatedFrameHost> popup_frame_host, |
| const gfx::Rect src_subrect, const gfx::Size dst_size, |
| const SkBitmap& main_image) { |
| if (!popup_frame_host) |
| return; |
| |
| // Build a new callback that actually combines images. |
| auto popup_done_callback = base::BindOnce( |
| [](base::OnceCallback<void(const SkBitmap&)> final_callback, |
| const gfx::Vector2d offset, const SkBitmap& main_image, |
| const SkBitmap& popup_image) { |
| // Draw popup_image into main_image. |
| SkCanvas canvas(main_image); |
| canvas.drawBitmap(popup_image, offset.x(), offset.y()); |
| std::move(final_callback).Run(main_image); |
| }, |
| std::move(final_callback), offset, std::move(main_image)); |
| |
| // Second, request the popup image. |
| gfx::Rect popup_subrect(src_subrect - offset); |
| popup_frame_host->CopyFromCompositingSurface( |
| popup_subrect, dst_size, std::move(popup_done_callback)); |
| }, |
| std::move(callback), offset_physical, popup_frame_host, src_subrect, |
| dst_size); |
| |
| // Request the main image (happens first). |
| main_frame_host->CopyFromCompositingSurface( |
| src_subrect, dst_size, std::move(main_image_done_callback)); |
| #endif |
| } |
| |
| void RenderWidgetHostViewBase::CopyFromSurface( |
| const gfx::Rect& src_rect, |
| const gfx::Size& output_size, |
| base::OnceCallback<void(const SkBitmap&)> callback) { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| std::move(callback).Run(SkBitmap()); |
| } |
| |
| std::unique_ptr<viz::ClientFrameSinkVideoCapturer> |
| RenderWidgetHostViewBase::CreateVideoCapturer() { |
| std::unique_ptr<viz::ClientFrameSinkVideoCapturer> video_capturer = |
| GetHostFrameSinkManager()->CreateVideoCapturer(); |
| video_capturer->ChangeTarget(GetFrameSinkId()); |
| return video_capturer; |
| } |
| |
| base::string16 RenderWidgetHostViewBase::GetSelectedText() { |
| if (!GetTextInputManager()) |
| return base::string16(); |
| auto text_selection = GetTextInputManager()->GetTextSelection(this); |
| if (text_selection) |
| return text_selection->selected_text(); |
| return base::string16(); |
| } |
| |
| void RenderWidgetHostViewBase::SetBackgroundColor(SkColor color) { |
| // TODO(danakj): OPAQUE colors only make sense for main frame widgets, |
| // as child frames are always transparent background. We should move this to |
| // RenderView instead. |
| DCHECK(SkColorGetA(color) == SK_AlphaOPAQUE || |
| SkColorGetA(color) == SK_AlphaTRANSPARENT); |
| if (default_background_color_ == color) |
| return; |
| |
| bool opaque = default_background_color_ |
| ? SkColorGetA(*default_background_color_) |
| : SK_AlphaOPAQUE; |
| default_background_color_ = color; |
| UpdateBackgroundColor(); |
| if (opaque != (SkColorGetA(color) == SK_AlphaOPAQUE)) { |
| if (host()->owner_delegate()) { |
| host()->owner_delegate()->SetBackgroundOpaque(SkColorGetA(color) == |
| SK_AlphaOPAQUE); |
| } |
| } |
| } |
| |
| base::Optional<SkColor> RenderWidgetHostViewBase::GetBackgroundColor() { |
| if (content_background_color_) |
| return content_background_color_; |
| return default_background_color_; |
| } |
| |
| bool RenderWidgetHostViewBase::IsMouseLocked() { |
| return false; |
| } |
| |
| bool RenderWidgetHostViewBase::LockKeyboard( |
| base::Optional<base::flat_set<ui::DomCode>> codes) { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::UnlockKeyboard() { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| } |
| |
| bool RenderWidgetHostViewBase::IsKeyboardLocked() { |
| return keyboard_locked_; |
| } |
| |
| base::flat_map<std::string, std::string> |
| RenderWidgetHostViewBase::GetKeyboardLayoutMap() { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| return base::flat_map<std::string, std::string>(); |
| } |
| |
| InputEventAckState RenderWidgetHostViewBase::FilterInputEvent( |
| const blink::WebInputEvent& input_event) { |
| // By default, input events are simply forwarded to the renderer. |
| return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| InputEventAckState RenderWidgetHostViewBase::FilterChildGestureEvent( |
| const blink::WebGestureEvent& gesture_event) { |
| // By default, do nothing with the child's gesture events. |
| return INPUT_EVENT_ACK_STATE_NOT_CONSUMED; |
| } |
| |
| void RenderWidgetHostViewBase::WheelEventAck( |
| const blink::WebMouseWheelEvent& event, |
| InputEventAckState ack_result) { |
| } |
| |
| void RenderWidgetHostViewBase::GestureEventAck( |
| const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) { |
| } |
| |
| bool RenderWidgetHostViewBase::OnUnconsumedKeyboardEventAck( |
| const NativeWebKeyboardEventWithLatencyInfo& event) { |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::FallbackCursorModeLockCursor(bool left, |
| bool right, |
| bool up, |
| bool down) {} |
| |
| void RenderWidgetHostViewBase::FallbackCursorModeSetCursorVisibility( |
| bool visible) {} |
| |
| void RenderWidgetHostViewBase::ForwardTouchpadZoomEventIfNecessary( |
| const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) { |
| if (!event.IsTouchpadZoomEvent()) |
| return; |
| if (!event.NeedsWheelEvent()) |
| return; |
| |
| switch (event.GetType()) { |
| case blink::WebInputEvent::kGesturePinchBegin: |
| // Don't send the begin event until we get the first unconsumed update, so |
| // that we elide pinch gesture steams consisting of only a begin and end. |
| pending_touchpad_pinch_begin_ = event; |
| pending_touchpad_pinch_begin_->SetNeedsWheelEvent(false); |
| break; |
| case blink::WebInputEvent::kGesturePinchUpdate: |
| if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED && |
| !event.data.pinch_update.zoom_disabled) { |
| if (pending_touchpad_pinch_begin_) { |
| host()->ForwardGestureEvent(*pending_touchpad_pinch_begin_); |
| pending_touchpad_pinch_begin_.reset(); |
| } |
| // Now that the synthetic wheel event has gone unconsumed, we have the |
| // pinch event actually change the page scale. |
| blink::WebGestureEvent pinch_event(event); |
| pinch_event.SetNeedsWheelEvent(false); |
| host()->ForwardGestureEvent(pinch_event); |
| } |
| break; |
| case blink::WebInputEvent::kGesturePinchEnd: |
| if (pending_touchpad_pinch_begin_) { |
| pending_touchpad_pinch_begin_.reset(); |
| } else { |
| blink::WebGestureEvent pinch_end_event(event); |
| pinch_end_event.SetNeedsWheelEvent(false); |
| host()->ForwardGestureEvent(pinch_end_event); |
| } |
| break; |
| case blink::WebInputEvent::kGestureDoubleTap: |
| if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED) { |
| blink::WebGestureEvent double_tap(event); |
| double_tap.SetNeedsWheelEvent(false); |
| // TODO(mcnee): Support double-tap zoom gesture for OOPIFs. For now, |
| // we naively send this to the main frame. If this is over an OOPIF, |
| // then the iframe element will incorrectly be used for the scale |
| // calculation rather than the element in the OOPIF. |
| // https://crbug.com/758348 |
| host()->ForwardGestureEvent(double_tap); |
| } |
| break; |
| default: |
| NOTREACHED(); |
| } |
| } |
| |
| bool RenderWidgetHostViewBase::HasFallbackSurface() const { |
| NOTREACHED(); |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::SetWidgetType(WidgetType widget_type) { |
| widget_type_ = widget_type; |
| } |
| |
| WidgetType RenderWidgetHostViewBase::GetWidgetType() { |
| return widget_type_; |
| } |
| |
| BrowserAccessibilityManager* |
| RenderWidgetHostViewBase::CreateBrowserAccessibilityManager( |
| BrowserAccessibilityDelegate* delegate, |
| bool for_root_frame) { |
| NOTREACHED(); |
| return nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::AccessibilityShowMenu(const gfx::Point& point) { |
| if (host()) |
| host()->ShowContextMenuAtPoint(point, ui::MENU_SOURCE_NONE); |
| } |
| |
| gfx::AcceleratedWidget |
| RenderWidgetHostViewBase::AccessibilityGetAcceleratedWidget() { |
| return gfx::kNullAcceleratedWidget; |
| } |
| |
| gfx::NativeViewAccessible |
| RenderWidgetHostViewBase::AccessibilityGetNativeViewAccessible() { |
| return nullptr; |
| } |
| |
| gfx::NativeViewAccessible |
| RenderWidgetHostViewBase::AccessibilityGetNativeViewAccessibleForWindow() { |
| return nullptr; |
| } |
| |
| bool RenderWidgetHostViewBase::RequestRepaintForTesting() { |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::ProcessAckedTouchEvent( |
| const TouchEventWithLatencyInfo& touch, |
| InputEventAckState ack_result) { |
| NOTREACHED(); |
| } |
| |
| void RenderWidgetHostViewBase::UpdateScreenInfo(gfx::NativeView view) { |
| if (host() && host()->delegate()) |
| host()->delegate()->SendScreenRects(); |
| |
| if (HasDisplayPropertyChanged(view) && host()) { |
| OnSynchronizedDisplayPropertiesChanged(); |
| host()->NotifyScreenInfoChanged(); |
| } |
| } |
| |
| bool RenderWidgetHostViewBase::HasDisplayPropertyChanged(gfx::NativeView view) { |
| display::Display display = |
| display::Screen::GetScreen()->GetDisplayNearestView(view); |
| if (current_display_area_ == display.work_area() && |
| current_device_scale_factor_ == display.device_scale_factor() && |
| current_display_rotation_ == display.rotation() && |
| current_display_color_space_ == display.color_space()) { |
| return false; |
| } |
| |
| current_display_area_ = display.work_area(); |
| current_device_scale_factor_ = display.device_scale_factor(); |
| current_display_rotation_ = display.rotation(); |
| current_display_color_space_ = display.color_space(); |
| return true; |
| } |
| |
| void RenderWidgetHostViewBase::DidUnregisterFromTextInputManager( |
| TextInputManager* text_input_manager) { |
| DCHECK(text_input_manager && text_input_manager_ == text_input_manager); |
| |
| text_input_manager_ = nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::EnableAutoResize(const gfx::Size& min_size, |
| const gfx::Size& max_size) { |
| host()->SetAutoResize(true, min_size, max_size); |
| host()->SynchronizeVisualProperties(); |
| } |
| |
| void RenderWidgetHostViewBase::DisableAutoResize(const gfx::Size& new_size) { |
| if (!new_size.IsEmpty()) |
| SetSize(new_size); |
| // This clears the cached value in the WebContents, so that OOPIFs will |
| // stop using it. |
| if (host()->delegate()) |
| host()->delegate()->ResetAutoResizeSize(); |
| host()->SetAutoResize(false, gfx::Size(), gfx::Size()); |
| host()->SynchronizeVisualProperties(); |
| } |
| |
| bool RenderWidgetHostViewBase::IsScrollOffsetAtTop() { |
| return is_scroll_offset_at_top_; |
| } |
| |
| viz::ScopedSurfaceIdAllocator |
| RenderWidgetHostViewBase::DidUpdateVisualProperties( |
| const cc::RenderFrameMetadata& metadata) { |
| // This doesn't suppress allocation. Derived classes that need suppression |
| // should override this function. |
| base::OnceCallback<void()> allocation_task = |
| base::BindOnce(&RenderWidgetHostViewBase::SynchronizeVisualProperties, |
| weak_factory_.GetWeakPtr()); |
| return viz::ScopedSurfaceIdAllocator(std::move(allocation_task)); |
| } |
| |
| base::WeakPtr<RenderWidgetHostViewBase> RenderWidgetHostViewBase::GetWeakPtr() { |
| return weak_factory_.GetWeakPtr(); |
| } |
| |
| void RenderWidgetHostViewBase::FocusedNodeTouched( |
| bool editable) { |
| DVLOG(1) << "FocusedNodeTouched: " << editable; |
| } |
| |
| void RenderWidgetHostViewBase::GetScreenInfo(ScreenInfo* screen_info) { |
| DisplayUtil::GetNativeViewScreenInfo(screen_info, GetNativeView()); |
| } |
| |
| float RenderWidgetHostViewBase::GetDeviceScaleFactor() { |
| ScreenInfo screen_info; |
| GetScreenInfo(&screen_info); |
| return screen_info.device_scale_factor; |
| } |
| |
| uint32_t RenderWidgetHostViewBase::RendererFrameNumber() { |
| return renderer_frame_number_; |
| } |
| |
| void RenderWidgetHostViewBase::DidReceiveRendererFrame() { |
| ++renderer_frame_number_; |
| } |
| |
| void RenderWidgetHostViewBase::OnAutoscrollStart() { |
| if (!GetMouseWheelPhaseHandler()) |
| return; |
| |
| // End the current scrolling seqeunce when autoscrolling starts. |
| GetMouseWheelPhaseHandler()->DispatchPendingWheelEndEvent(); |
| } |
| |
| gfx::Size RenderWidgetHostViewBase::GetVisibleViewportSize() { |
| return GetViewBounds().size(); |
| } |
| |
| void RenderWidgetHostViewBase::SetInsets(const gfx::Insets& insets) { |
| NOTIMPLEMENTED_LOG_ONCE(); |
| } |
| |
| void RenderWidgetHostViewBase::DisplayCursor(const WebCursor& cursor) { |
| return; |
| } |
| |
| CursorManager* RenderWidgetHostViewBase::GetCursorManager() { |
| return nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::TransformPointToRootSurface(gfx::PointF* point) { |
| return; |
| } |
| |
| void RenderWidgetHostViewBase::OnDidNavigateMainFrameToNewPage() { |
| } |
| |
| void RenderWidgetHostViewBase::OnFrameTokenChangedForView( |
| uint32_t frame_token) { |
| if (host()) |
| host()->DidProcessFrame(frame_token); |
| } |
| |
| bool RenderWidgetHostViewBase::ScreenRectIsUnstableFor( |
| const blink::WebInputEvent& event) { |
| return false; |
| } |
| |
| void RenderWidgetHostViewBase::ProcessMouseEvent( |
| const blink::WebMouseEvent& event, |
| const ui::LatencyInfo& latency) { |
| // TODO(crbug.com/814674): Figure out the reason |host| is null here in all |
| // Process* functions. |
| if (!host()) |
| return; |
| |
| PreProcessMouseEvent(event); |
| host()->ForwardMouseEventWithLatencyInfo(event, latency); |
| } |
| |
| void RenderWidgetHostViewBase::ProcessMouseWheelEvent( |
| const blink::WebMouseWheelEvent& event, |
| const ui::LatencyInfo& latency) { |
| if (!host()) |
| return; |
| host()->ForwardWheelEventWithLatencyInfo(event, latency); |
| } |
| |
| void RenderWidgetHostViewBase::ProcessTouchEvent( |
| const blink::WebTouchEvent& event, |
| const ui::LatencyInfo& latency) { |
| if (!host()) |
| return; |
| |
| PreProcessTouchEvent(event); |
| host()->ForwardTouchEventWithLatencyInfo(event, latency); |
| } |
| |
| void RenderWidgetHostViewBase::ProcessGestureEvent( |
| const blink::WebGestureEvent& event, |
| const ui::LatencyInfo& latency) { |
| if (!host()) |
| return; |
| host()->ForwardGestureEventWithLatencyInfo(event, latency); |
| } |
| |
| gfx::PointF RenderWidgetHostViewBase::TransformPointToRootCoordSpaceF( |
| const gfx::PointF& point) { |
| return point; |
| } |
| |
| gfx::PointF RenderWidgetHostViewBase::TransformRootPointToViewCoordSpace( |
| const gfx::PointF& point) { |
| return point; |
| } |
| |
| bool RenderWidgetHostViewBase::TransformPointToCoordSpaceForView( |
| const gfx::PointF& point, |
| RenderWidgetHostViewBase* target_view, |
| gfx::PointF* transformed_point) { |
| NOTREACHED(); |
| return true; |
| } |
| |
| bool RenderWidgetHostViewBase::IsRenderWidgetHostViewGuest() { |
| return false; |
| } |
| |
| bool RenderWidgetHostViewBase::IsRenderWidgetHostViewChildFrame() { |
| return false; |
| } |
| |
| bool RenderWidgetHostViewBase::HasSize() const { |
| return true; |
| } |
| |
| void RenderWidgetHostViewBase::Destroy() { |
| if (host_) { |
| host_->render_frame_metadata_provider()->RemoveObserver(this); |
| host_ = nullptr; |
| } |
| } |
| |
| bool RenderWidgetHostViewBase::CanSynchronizeVisualProperties() { |
| return true; |
| } |
| |
| void RenderWidgetHostViewBase::TextInputStateChanged( |
| const TextInputState& text_input_state) { |
| if (GetTextInputManager()) |
| GetTextInputManager()->UpdateTextInputState(this, text_input_state); |
| } |
| |
| void RenderWidgetHostViewBase::ImeCancelComposition() { |
| if (GetTextInputManager()) |
| GetTextInputManager()->ImeCancelComposition(this); |
| } |
| |
| void RenderWidgetHostViewBase::ImeCompositionRangeChanged( |
| const gfx::Range& range, |
| const std::vector<gfx::Rect>& character_bounds) { |
| if (GetTextInputManager()) { |
| GetTextInputManager()->ImeCompositionRangeChanged(this, range, |
| character_bounds); |
| } |
| } |
| |
| TextInputManager* RenderWidgetHostViewBase::GetTextInputManager() { |
| if (text_input_manager_) |
| return text_input_manager_; |
| |
| if (!host() || !host()->delegate()) |
| return nullptr; |
| |
| // This RWHV needs to be registered with the TextInputManager so that the |
| // TextInputManager starts tracking its state, and observing its lifetime. |
| text_input_manager_ = host()->delegate()->GetTextInputManager(); |
| if (text_input_manager_) |
| text_input_manager_->Register(this); |
| |
| return text_input_manager_; |
| } |
| |
| void RenderWidgetHostViewBase::StopFling() { |
| if (!host()) |
| return; |
| |
| host()->StopFling(); |
| |
| // In case of scroll bubbling tells the child's fling controller which is in |
| // charge of generating GSUs to stop flinging. |
| if (host()->delegate() && host()->delegate()->GetInputEventRouter()) { |
| host()->delegate()->GetInputEventRouter()->StopFling(); |
| } |
| } |
| |
| void RenderWidgetHostViewBase::AddObserver( |
| RenderWidgetHostViewBaseObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void RenderWidgetHostViewBase::RemoveObserver( |
| RenderWidgetHostViewBaseObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |
| |
| TouchSelectionControllerClientManager* |
| RenderWidgetHostViewBase::GetTouchSelectionControllerClientManager() { |
| return nullptr; |
| } |
| |
| void RenderWidgetHostViewBase::SetRecordTabSwitchTimeRequest( |
| base::TimeTicks start_time, |
| bool destination_is_loaded, |
| bool destination_is_frozen) { |
| last_record_tab_switch_time_request_.emplace( |
| start_time, destination_is_loaded, destination_is_frozen); |
| } |
| |
| base::Optional<RecordTabSwitchTimeRequest> |
| RenderWidgetHostViewBase::TakeRecordTabSwitchTimeRequest() { |
| auto stored_state = std::move(last_record_tab_switch_time_request_); |
| last_record_tab_switch_time_request_.reset(); |
| return stored_state; |
| } |
| |
| void RenderWidgetHostViewBase::SynchronizeVisualProperties() { |
| if (host()) |
| host()->SynchronizeVisualProperties(); |
| } |
| |
| void RenderWidgetHostViewBase::DidNavigate() { |
| if (host()) |
| host()->SynchronizeVisualProperties(); |
| } |
| |
| // TODO(wjmaclean): Would it simplify this function if we re-implemented it |
| // using GetTransformToViewCoordSpace()? |
| bool RenderWidgetHostViewBase::TransformPointToTargetCoordSpace( |
| RenderWidgetHostViewBase* original_view, |
| RenderWidgetHostViewBase* target_view, |
| const gfx::PointF& point, |
| gfx::PointF* transformed_point) const { |
| DCHECK(original_view); |
| DCHECK(target_view); |
| viz::FrameSinkId root_frame_sink_id = original_view->GetRootFrameSinkId(); |
| if (!root_frame_sink_id.is_valid()) |
| return false; |
| const auto& display_hit_test_query_map = |
| GetHostFrameSinkManager()->display_hit_test_query(); |
| const auto iter = display_hit_test_query_map.find(root_frame_sink_id); |
| if (iter == display_hit_test_query_map.end()) |
| return false; |
| viz::HitTestQuery* query = iter->second.get(); |
| |
| std::vector<viz::FrameSinkId> target_ancestors; |
| target_ancestors.push_back(target_view->GetFrameSinkId()); |
| |
| RenderWidgetHostViewBase* cur_view = target_view; |
| while (cur_view->IsRenderWidgetHostViewChildFrame()) { |
| if (cur_view->IsRenderWidgetHostViewGuest()) { |
| cur_view = static_cast<RenderWidgetHostViewGuest*>(cur_view) |
| ->GetOwnerRenderWidgetHostView(); |
| } else { |
| cur_view = static_cast<RenderWidgetHostViewChildFrame*>(cur_view) |
| ->GetParentView(); |
| } |
| if (!cur_view) |
| return false; |
| target_ancestors.push_back(cur_view->GetFrameSinkId()); |
| } |
| target_ancestors.push_back(root_frame_sink_id); |
| |
| float device_scale_factor = original_view->GetDeviceScaleFactor(); |
| DCHECK_GT(device_scale_factor, 0.0f); |
| gfx::Point3F point_in_pixels( |
| gfx::ConvertPointToPixel(device_scale_factor, point)); |
| // TODO(crbug.com/966995): Optimize so that |point_in_pixels| doesn't need to |
| // be in the coordinate space of the root surface in HitTestQuery. |
| gfx::Transform transform_root_to_original; |
| query->GetTransformToTarget(original_view->GetFrameSinkId(), |
| &transform_root_to_original); |
| if (!transform_root_to_original.TransformPointReverse(&point_in_pixels)) |
| return false; |
| if (!query->TransformLocationForTarget( |
| target_ancestors, point_in_pixels.AsPointF(), transformed_point)) { |
| return false; |
| } |
| *transformed_point = |
| gfx::ConvertPointToDIP(device_scale_factor, *transformed_point); |
| return true; |
| } |
| |
| bool RenderWidgetHostViewBase::GetTransformToViewCoordSpace( |
| RenderWidgetHostViewBase* target_view, |
| gfx::Transform* transform) { |
| DCHECK(transform); |
| if (target_view == this) { |
| transform->MakeIdentity(); |
| return true; |
| } |
| |
| viz::FrameSinkId root_frame_sink_id = GetRootFrameSinkId(); |
| if (!root_frame_sink_id.is_valid()) |
| return false; |
| |
| const auto& display_hit_test_query_map = |
| GetHostFrameSinkManager()->display_hit_test_query(); |
| const auto iter = display_hit_test_query_map.find(root_frame_sink_id); |
| if (iter == display_hit_test_query_map.end()) |
| return false; |
| viz::HitTestQuery* query = iter->second.get(); |
| |
| gfx::Transform transform_this_to_root; |
| if (GetFrameSinkId() != root_frame_sink_id) { |
| gfx::Transform transform_root_to_this; |
| if (!query->GetTransformToTarget(GetFrameSinkId(), &transform_root_to_this)) |
| return false; |
| if (!transform_root_to_this.GetInverse(&transform_this_to_root)) |
| return false; |
| } |
| gfx::Transform transform_root_to_target; |
| if (!query->GetTransformToTarget(target_view->GetFrameSinkId(), |
| &transform_root_to_target)) { |
| return false; |
| } |
| |
| // TODO(wjmaclean): In TransformPointToTargetCoordSpace the device scale |
| // factor is taken from the original view ... does that matter? Presumably |
| // all the views have the same dsf. |
| float device_scale_factor = GetDeviceScaleFactor(); |
| gfx::Transform transform_to_pixel; |
| transform_to_pixel.Scale(device_scale_factor, device_scale_factor); |
| gfx::Transform transform_from_pixel; |
| transform_from_pixel.Scale(1.f / device_scale_factor, |
| 1.f / device_scale_factor); |
| |
| // Note: gfx::Transform includes optimizations to early-out for scale = 1 or |
| // concatenating an identity matrix, so we don't add those checks here. |
| transform->MakeIdentity(); |
| |
| transform->ConcatTransform(transform_to_pixel); |
| transform->ConcatTransform(transform_this_to_root); |
| transform->ConcatTransform(transform_root_to_target); |
| transform->ConcatTransform(transform_from_pixel); |
| |
| return true; |
| } |
| |
| bool RenderWidgetHostViewBase::TransformPointToLocalCoordSpace( |
| const gfx::PointF& point, |
| const viz::SurfaceId& original_surface, |
| gfx::PointF* transformed_point) { |
| viz::FrameSinkId original_frame_sink_id = original_surface.frame_sink_id(); |
| viz::FrameSinkId target_frame_sink_id = GetFrameSinkId(); |
| if (!original_frame_sink_id.is_valid() || !target_frame_sink_id.is_valid()) |
| return false; |
| if (original_frame_sink_id == target_frame_sink_id) |
| return true; |
| if (!host() || !host()->delegate()) |
| return false; |
| auto* router = host()->delegate()->GetInputEventRouter(); |
| if (!router) |
| return false; |
| *transformed_point = point; |
| return TransformPointToTargetCoordSpace( |
| router->FindViewFromFrameSinkId(original_frame_sink_id), |
| router->FindViewFromFrameSinkId(target_frame_sink_id), point, |
| transformed_point); |
| } |
| |
| } // namespace content |