mirror of
https://bitbucket.org/chromiumembedded/cef
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391 lines
14 KiB
C++
391 lines
14 KiB
C++
// Copyright (c) 2014 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_OSR_RENDER_WIDGET_HOST_VIEW_OSR_H_
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#define CEF_LIBCEF_BROWSER_OSR_RENDER_WIDGET_HOST_VIEW_OSR_H_
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#pragma once
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#include <map>
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#include <set>
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#include <vector>
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#include "include/cef_base.h"
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#include "include/cef_browser.h"
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#include "libcef/browser/osr/host_display_client_osr.h"
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#include "libcef/browser/osr/motion_event_osr.h"
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#include "base/memory/weak_ptr.h"
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#include "build/build_config.h"
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#include "components/viz/common/frame_sinks/begin_frame_source.h"
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#include "components/viz/common/surfaces/parent_local_surface_id_allocator.h"
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#include "content/browser/renderer_host/input/mouse_wheel_phase_handler.h"
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#include "content/browser/renderer_host/render_widget_host_view_base.h"
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#include "content/browser/renderer_host/text_input_manager.h"
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#include "content/public/common/widget_type.h"
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#include "ui/base/cursor/types/cursor_types.h"
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#include "ui/compositor/compositor.h"
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#include "ui/compositor/external_begin_frame_client.h"
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#include "ui/events/base_event_utils.h"
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#include "ui/events/gesture_detection/filtered_gesture_provider.h"
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#include "ui/events/gesture_detection/gesture_configuration.h"
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#include "ui/events/gesture_detection/motion_event_generic.h"
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#include "ui/gfx/geometry/rect.h"
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#if defined(OS_LINUX)
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#include "ui/base/x/x11_util.h"
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#endif
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#if defined(OS_MACOSX)
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#include "content/browser/renderer_host/browser_compositor_view_mac.h"
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#endif
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#if defined(OS_WIN)
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#include "ui/gfx/win/window_impl.h"
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#endif
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#if defined(USE_AURA)
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#include "third_party/blink/public/platform/web_cursor_info.h"
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#include "ui/base/cursor/cursor.h"
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#endif
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namespace content {
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class DelegatedFrameHost;
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class DelegatedFrameHostClient;
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class RenderWidgetHost;
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class RenderWidgetHostImpl;
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class RenderWidgetHostViewGuest;
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class BackingStore;
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class CursorManager;
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} // namespace content
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class CefBrowserHostImpl;
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class CefCopyFrameGenerator;
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class CefSoftwareOutputDeviceOSR;
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class CefVideoConsumerOSR;
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class CefWebContentsViewOSR;
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#if defined(USE_X11)
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class CefWindowX11;
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CefRenderWidgetHostViewOSR
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//
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// An object representing the "View" of a rendered web page. This object is
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// responsible for sending paint events to the the CefRenderHandler
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// when window rendering is disabled. It is the implementation of the
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// RenderWidgetHostView that the cross-platform RenderWidgetHost object uses
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// to display the data.
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//
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// Comment excerpted from render_widget_host.h:
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//
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// "The lifetime of the RenderWidgetHostView is tied to the render process.
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// If the render process dies, the RenderWidgetHostView goes away and all
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// references to it must become NULL."
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//
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// RenderWidgetHostView class hierarchy described in render_widget_host_view.h.
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///////////////////////////////////////////////////////////////////////////////
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#if defined(OS_MACOSX)
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class MacHelper;
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#endif
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class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
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public ui::ExternalBeginFrameClient,
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public ui::CompositorDelegate,
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public content::TextInputManager::Observer,
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public ui::GestureProviderClient {
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public:
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CefRenderWidgetHostViewOSR(SkColor background_color,
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bool use_shared_texture,
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bool use_external_begin_frame,
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content::RenderWidgetHost* widget,
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CefRenderWidgetHostViewOSR* parent_host_view,
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bool is_guest_view_hack);
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~CefRenderWidgetHostViewOSR() override;
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// RenderWidgetHostView implementation.
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void InitAsChild(gfx::NativeView parent_view) override;
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void SetSize(const gfx::Size& size) override;
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void SetBounds(const gfx::Rect& rect) override;
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gfx::NativeView GetNativeView() override;
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gfx::NativeViewAccessible GetNativeViewAccessible() override;
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void Focus() override;
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bool HasFocus() override;
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uint32_t GetCaptureSequenceNumber() const override;
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bool IsSurfaceAvailableForCopy() override;
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void Show() override;
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void Hide() override;
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bool IsShowing() override;
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void EnsureSurfaceSynchronizedForWebTest() override;
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gfx::Rect GetViewBounds() override;
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void SetBackgroundColor(SkColor color) override;
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base::Optional<SkColor> GetBackgroundColor() override;
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void UpdateBackgroundColor() override;
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bool LockMouse() override;
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void UnlockMouse() override;
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void TakeFallbackContentFrom(content::RenderWidgetHostView* view) override;
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#if defined(OS_MACOSX)
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void SetActive(bool active) override;
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void ShowDefinitionForSelection() override;
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void SpeakSelection() override;
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#endif // defined(OS_MACOSX)
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// RenderWidgetHostViewBase implementation.
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void DidCreateNewRendererCompositorFrameSink(
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viz::mojom::CompositorFrameSinkClient* renderer_compositor_frame_sink)
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override;
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void SubmitCompositorFrame(
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const viz::LocalSurfaceId& local_surface_id,
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viz::CompositorFrame frame,
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base::Optional<viz::HitTestRegionList> hit_test_region_list) override;
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void ClearCompositorFrame() override;
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void ResetFallbackToFirstNavigationSurface() override;
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void InitAsPopup(content::RenderWidgetHostView* parent_host_view,
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const gfx::Rect& pos) override;
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void InitAsFullscreen(
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content::RenderWidgetHostView* reference_host_view) override;
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void InitAsGuest(content::RenderWidgetHostView* parent_host_view,
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content::RenderWidgetHostViewGuest* guest_view) override;
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void UpdateCursor(const content::WebCursor& cursor) override;
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void SetIsLoading(bool is_loading) override;
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void RenderProcessGone() override;
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void Destroy() override;
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void SetTooltipText(const base::string16& tooltip_text) override;
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content::CursorManager* GetCursorManager() override;
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gfx::Size GetCompositorViewportPixelSize() override;
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void CopyFromSurface(
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const gfx::Rect& src_rect,
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const gfx::Size& output_size,
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base::OnceCallback<void(const SkBitmap&)> callback) override;
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void GetScreenInfo(content::ScreenInfo* results) override;
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void TransformPointToRootSurface(gfx::PointF* point) override;
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gfx::Rect GetBoundsInRootWindow() override;
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viz::SurfaceId GetCurrentSurfaceId() const override;
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content::BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
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content::BrowserAccessibilityDelegate* delegate,
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bool for_root_frame) override;
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void ImeCompositionRangeChanged(
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const gfx::Range& range,
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const std::vector<gfx::Rect>& character_bounds) override;
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std::unique_ptr<content::SyntheticGestureTarget>
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CreateSyntheticGestureTarget() override;
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void SetNeedsBeginFrames(bool enabled) override;
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void SetWantsAnimateOnlyBeginFrames() override;
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bool TransformPointToCoordSpaceForView(
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const gfx::PointF& point,
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RenderWidgetHostViewBase* target_view,
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gfx::PointF* transformed_point) override;
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void DidNavigate() override;
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void SelectionChanged(const base::string16& text,
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size_t offset,
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const gfx::Range& range) override;
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const viz::LocalSurfaceIdAllocation& GetLocalSurfaceIdAllocation()
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const override;
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const viz::FrameSinkId& GetFrameSinkId() const override;
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viz::FrameSinkId GetRootFrameSinkId() override;
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// ui::ExternalBeginFrameClient implementation.
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void OnDisplayDidFinishFrame(const viz::BeginFrameAck& ack) override;
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void OnNeedsExternalBeginFrames(bool needs_begin_frames) override;
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// ui::CompositorDelegate implementation.
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std::unique_ptr<viz::HostDisplayClient> CreateHostDisplayClient() override;
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// TextInputManager::Observer implementation.
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void OnUpdateTextInputStateCalled(
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content::TextInputManager* text_input_manager,
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RenderWidgetHostViewBase* updated_view,
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bool did_update_state) override;
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// ui::GestureProviderClient implementation.
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void ProcessAckedTouchEvent(const content::TouchEventWithLatencyInfo& touch,
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content::InputEventAckState ack_result) override;
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void OnGestureEvent(const ui::GestureEventData& gesture) override;
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bool InstallTransparency();
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void SynchronizeVisualProperties(bool force = false);
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void OnScreenInfoChanged();
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void Invalidate(CefBrowserHost::PaintElementType type);
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void SendExternalBeginFrame();
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void SendKeyEvent(const content::NativeWebKeyboardEvent& event);
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void SendMouseEvent(const blink::WebMouseEvent& event);
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void SendMouseWheelEvent(const blink::WebMouseWheelEvent& event);
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void SendTouchEvent(const CefTouchEvent& event);
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bool ShouldRouteEvents() const;
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void SendFocusEvent(bool focus);
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void UpdateFrameRate();
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void HoldResize();
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void ReleaseResize();
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gfx::Size SizeInPixels();
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void OnPaint(const gfx::Rect& damage_rect,
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const gfx::Size& pixel_size,
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const void* pixels);
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void OnBeginFame(base::TimeTicks frame_time);
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bool IsPopupWidget() const {
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return widget_type_ == content::WidgetType::kPopup;
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}
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void ImeSetComposition(const CefString& text,
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const std::vector<CefCompositionUnderline>& underlines,
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const CefRange& replacement_range,
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const CefRange& selection_range);
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void ImeCommitText(const CefString& text,
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const CefRange& replacement_range,
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int relative_cursor_pos);
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void ImeFinishComposingText(bool keep_selection);
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void ImeCancelComposition() override;
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CefRefPtr<CefBrowserHostImpl> browser_impl() const { return browser_impl_; }
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void set_browser_impl(CefRefPtr<CefBrowserHostImpl> browser) {
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browser_impl_ = browser;
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}
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void set_popup_host_view(CefRenderWidgetHostViewOSR* popup_view) {
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if (popup_view != popup_host_view_)
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forward_touch_to_popup_ = false;
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popup_host_view_ = popup_view;
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}
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void set_child_host_view(CefRenderWidgetHostViewOSR* popup_view) {
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child_host_view_ = popup_view;
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}
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content::RenderWidgetHostImpl* render_widget_host() const {
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return render_widget_host_;
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}
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ui::Layer* GetRootLayer() const;
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void OnPresentCompositorFrame();
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private:
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content::DelegatedFrameHost* GetDelegatedFrameHost() const;
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void SetFrameRate();
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void SetDeviceScaleFactor();
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void ResizeRootLayer(bool force);
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void CancelWidget();
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void OnScrollOffsetChanged();
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void AddGuestHostView(CefRenderWidgetHostViewOSR* guest_host);
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void RemoveGuestHostView(CefRenderWidgetHostViewOSR* guest_host);
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// Register a callback that will be executed when |guest_host_view| receives
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// OnSwapCompositorFrame. The callback triggers repaint of the embedder view.
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void RegisterGuestViewFrameSwappedCallback(
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content::RenderWidgetHostViewGuest* guest_host_view);
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void OnGuestViewFrameSwapped(
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content::RenderWidgetHostViewGuest* guest_host_view);
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void InvalidateInternal(const gfx::Rect& bounds_in_pixels);
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void RequestImeCompositionUpdate(bool start_monitoring);
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viz::FrameSinkId AllocateFrameSinkId(bool is_guest_view_hack);
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void AddDamageRect(uint32_t sequence, const gfx::Rect& rect);
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// Applies background color without notifying the RenderWidget about
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// opaqueness changes.
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void UpdateBackgroundColorFromRenderer(SkColor color);
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#if defined(USE_AURA)
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ui::PlatformCursor GetPlatformCursor(ui::CursorType type);
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#endif
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// The background color of the web content.
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SkColor background_color_;
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int frame_rate_threshold_us_;
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std::unique_ptr<ui::Compositor> compositor_;
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std::unique_ptr<content::DelegatedFrameHost> delegated_frame_host_;
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std::unique_ptr<content::DelegatedFrameHostClient>
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delegated_frame_host_client_;
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std::unique_ptr<ui::Layer> root_layer_;
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viz::LocalSurfaceIdAllocation local_surface_id_allocation_;
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viz::ParentLocalSurfaceIdAllocator local_surface_id_allocator_;
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viz::ParentLocalSurfaceIdAllocator compositor_local_surface_id_allocator_;
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#if defined(USE_X11)
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std::unique_ptr<ui::XScopedCursor> invisible_cursor_;
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#endif
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std::unique_ptr<content::CursorManager> cursor_manager_;
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// Provides |source_id| for BeginFrameArgs that we create.
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viz::StubBeginFrameSource begin_frame_source_;
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uint64_t begin_frame_number_ = viz::BeginFrameArgs::kStartingFrameNumber;
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bool sync_frame_rate_ = false;
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bool external_begin_frame_enabled_ = false;
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bool needs_external_begin_frames_ = false;
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CefHostDisplayClientOSR* host_display_client_;
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std::unique_ptr<CefVideoConsumerOSR> video_consumer_;
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bool hold_resize_;
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bool pending_resize_;
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bool pending_resize_force_;
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// The associated Model. While |this| is being Destroyed,
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// |render_widget_host_| is NULL and the message loop is run one last time
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// Message handlers must check for a NULL |render_widget_host_|.
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content::RenderWidgetHostImpl* render_widget_host_;
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bool has_parent_;
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CefRenderWidgetHostViewOSR* parent_host_view_;
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CefRenderWidgetHostViewOSR* popup_host_view_;
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CefRenderWidgetHostViewOSR* child_host_view_;
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std::set<CefRenderWidgetHostViewOSR*> guest_host_views_;
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CefRefPtr<CefBrowserHostImpl> browser_impl_;
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bool is_showing_;
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bool is_destroyed_;
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gfx::Rect popup_position_;
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base::Lock damage_rect_lock_;
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std::map<uint32_t, gfx::Rect> damage_rects_;
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// Whether pinch-to-zoom should be enabled and pinch events forwarded to the
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// renderer.
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bool pinch_zoom_enabled_;
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// The last scroll offset of the view.
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gfx::Vector2dF last_scroll_offset_;
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bool is_scroll_offset_changed_pending_;
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content::MouseWheelPhaseHandler mouse_wheel_phase_handler_;
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std::unique_ptr<viz::mojom::CompositorFrameSinkClient>
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renderer_compositor_frame_sink_;
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// Latest capture sequence number which is incremented when the caller
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// requests surfaces be synchronized via
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// EnsureSurfaceSynchronizedForLayoutTest().
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uint32_t latest_capture_sequence_number_ = 0u;
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// ui::GestureProviderClient implementation.
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ui::FilteredGestureProvider gesture_provider_;
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CefMotionEventOSR pointer_state_;
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bool forward_touch_to_popup_;
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base::WeakPtrFactory<CefRenderWidgetHostViewOSR> weak_ptr_factory_;
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DISALLOW_COPY_AND_ASSIGN(CefRenderWidgetHostViewOSR);
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};
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#endif // CEF_LIBCEF_BROWSER_OSR_RENDER_WIDGET_HOST_VIEW_OSR_H_
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