content/browser/frame_host/render_widget_host_view_child_frame.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
   6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/resources/returned_resource.h"
  10 #include "cc/surfaces/surface_factory_client.h"
  11 #include "cc/surfaces/surface_id_allocator.h"
  12 #include "content/browser/compositor/image_transport_factory.h"
  13 #include "content/browser/renderer_host/render_widget_host_view_base.h"
  14 #include "content/common/content_export.h"
  15 #include "content/public/browser/readback_types.h"
  16 #include "ui/compositor/compositor.h"
  17 #include "ui/gfx/geometry/rect.h"
  18 #include "ui/gfx/native_widget_types.h"
  19
  20 namespace cc {
  21 class SurfaceFactory;
  22 enum class SurfaceDrawStatus;
  23 }
  24
  25 namespace content {
  26 class CrossProcessFrameConnector;
  27 class RenderWidgetHost;
  28 class RenderWidgetHostImpl;
  29 class RenderWidgetHostViewChildFrameTest;
  30
  31 // RenderWidgetHostViewChildFrame implements the view for a RenderWidgetHost
  32 // associated with content being rendered in a separate process from
  33 // content that is embedding it. This is not a platform-specific class; rather,
  34 // the embedding renderer process implements the platform containing the
  35 // widget, and the top-level frame's RenderWidgetHostView will ultimately
  36 // manage all native widget interaction.
  37 //
  38 // See comments in render_widget_host_view.h about this class and its members.
  39 class CONTENT_EXPORT RenderWidgetHostViewChildFrame
  40     : public RenderWidgetHostViewBase,
  41       public cc::SurfaceFactoryClient {
  42  public:
  43   explicit RenderWidgetHostViewChildFrame(RenderWidgetHost* widget);
  44   ~RenderWidgetHostViewChildFrame() override;
  45
  46   void set_cross_process_frame_connector(
  47       CrossProcessFrameConnector* frame_connector) {
  48     frame_connector_ = frame_connector;
  49   }
  50
  51   // RenderWidgetHostView implementation.
  52   void InitAsChild(gfx::NativeView parent_view) override;
  53   RenderWidgetHost* GetRenderWidgetHost() const override;
  54   void SetSize(const gfx::Size& size) override;
  55   void SetBounds(const gfx::Rect& rect) override;
  56   void Focus() override;
  57   bool HasFocus() const override;
  58   bool IsSurfaceAvailableForCopy() const override;
  59   void Show() override;
  60   void Hide() override;
  61   bool IsShowing() override;
  62   gfx::Rect GetViewBounds() const override;
  63   gfx::Vector2dF GetLastScrollOffset() const override;
  64   gfx::NativeView GetNativeView() const override;
  65   gfx::NativeViewId GetNativeViewId() const override;
  66   gfx::NativeViewAccessible GetNativeViewAccessible() override;
  67   void SetBackgroundColor(SkColor color) override;
  68   gfx::Size GetPhysicalBackingSize() const override;
  69
  70   // RenderWidgetHostViewBase implementation.
  71   void InitAsPopup(RenderWidgetHostView* parent_host_view,
  72                    const gfx::Rect& bounds) override;
  73   void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override;
  74   void MovePluginWindows(const std::vector<WebPluginGeometry>& moves) override;
  75   void UpdateCursor(const WebCursor& cursor) override;
  76   void SetIsLoading(bool is_loading) override;
  77   void TextInputTypeChanged(ui::TextInputType type,
  78                             ui::TextInputMode input_mode,
  79                             bool can_compose_inline,
  80                             int flags) override;
  81   void ImeCancelComposition() override;
  82   void ImeCompositionRangeChanged(
  83       const gfx::Range& range,
  84       const std::vector<gfx::Rect>& character_bounds) override;
  85   void RenderProcessGone(base::TerminationStatus status,
  86                          int error_code) override;
  87   void Destroy() override;
  88   void SetTooltipText(const base::string16& tooltip_text) override;
  89   void SelectionChanged(const base::string16& text,
  90                         size_t offset,
  91                         const gfx::Range& range) override;
  92   void SelectionBoundsChanged(
  93       const ViewHostMsg_SelectionBounds_Params& params) override;
  94   void CopyFromCompositingSurface(
  95       const gfx::Rect& src_subrect,
  96       const gfx::Size& dst_size,
  97       ReadbackRequestCallback& callback,
  98       const SkColorType preferred_color_type) override;
  99   void CopyFromCompositingSurfaceToVideoFrame(
 100       const gfx::Rect& src_subrect,
 101       const scoped_refptr<media::VideoFrame>& target,
 102       const base::Callback<void(bool)>& callback) override;
 103   bool CanCopyToVideoFrame() const override;
 104   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
 105   void OnSwapCompositorFrame(uint32 output_surface_id,
 106                              scoped_ptr<cc::CompositorFrame> frame) override;
 107   void GetScreenInfo(blink::WebScreenInfo* results) override;
 108   gfx::Rect GetBoundsInRootWindow() override;
 109   gfx::GLSurfaceHandle GetCompositingSurface() override;
 110 #if defined(USE_AURA)
 111   void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
 112                               InputEventAckState ack_result) override;
 113 #endif  // defined(USE_AURA)
 114   bool LockMouse() override;
 115   void UnlockMouse() override;
 116   uint32_t GetSurfaceIdNamespace() override;
 117
 118 #if defined(OS_MACOSX)
 119   // RenderWidgetHostView implementation.
 120   void SetActive(bool active) override;
 121   void SetWindowVisibility(bool visible) override;
 122   void WindowFrameChanged() override;
 123   void ShowDefinitionForSelection() override;
 124   bool SupportsSpeech() const override;
 125   void SpeakSelection() override;
 126   bool IsSpeaking() const override;
 127   void StopSpeaking() override;
 128
 129   // RenderWidgetHostViewBase implementation.
 130   bool PostProcessEventForPluginIme(
 131       const NativeWebKeyboardEvent& event) override;
 132 #endif  // defined(OS_MACOSX)
 133
 134   // RenderWidgetHostViewBase implementation.
 135 #if defined(OS_ANDROID)
 136   void LockCompositingSurface() override;
 137   void UnlockCompositingSurface() override;
 138 #endif  // defined(OS_ANDROID)
 139
 140 #if defined(OS_WIN)
 141   void SetParentNativeViewAccessible(
 142       gfx::NativeViewAccessible accessible_parent) override;
 143   gfx::NativeViewId GetParentForWindowlessPlugin() const override;
 144 #endif
 145   BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
 146       BrowserAccessibilityDelegate* delegate) override;
 147
 148   // cc::SurfaceFactoryClient implementation.
 149   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
 150
 151  protected:
 152   friend class RenderWidgetHostView;
 153   friend class RenderWidgetHostViewChildFrameTest;
 154
 155   void SurfaceDrawn(uint32 output_surface_id, cc::SurfaceDrawStatus drawn);
 156
 157   // The last scroll offset of the view.
 158   gfx::Vector2dF last_scroll_offset_;
 159
 160   // Members will become private when RenderWidgetHostViewGuest is removed.
 161   // The model object.
 162   RenderWidgetHostImpl* host_;
 163
 164   // Flag determining whether we render into a compositing Surface.
 165   bool use_surfaces_;
 166
 167   // Surface-related state.
 168   scoped_ptr<cc::SurfaceIdAllocator> id_allocator_;
 169   scoped_ptr<cc::SurfaceFactory> surface_factory_;
 170   cc::SurfaceId surface_id_;
 171   uint32 next_surface_sequence_;
 172   uint32 last_output_surface_id_;
 173   gfx::Size current_surface_size_;
 174   float current_surface_scale_factor_;
 175   uint32 ack_pending_count_;
 176   cc::ReturnedResourceArray surface_returned_resources_;
 177
 178   // frame_connector_ provides a platform abstraction. Messages
 179   // sent through it are routed to the embedding renderer process.
 180   CrossProcessFrameConnector* frame_connector_;
 181
 182  private:
 183   base::WeakPtr<RenderWidgetHostViewChildFrame> AsWeakPtr() {
 184     return weak_factory_.GetWeakPtr();
 185   }
 186
 187   base::WeakPtrFactory<RenderWidgetHostViewChildFrame> weak_factory_;
 188   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewChildFrame);
 189 };
 190
 191 }  // namespace content
 192
 193 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_