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 class RenderWidgetHostViewGuestSurfaceTest;
  31
  32 // RenderWidgetHostViewChildFrame implements the view for a RenderWidgetHost
  33 // associated with content being rendered in a separate process from
  34 // content that is embedding it. This is not a platform-specific class; rather,
  35 // the embedding renderer process implements the platform containing the
  36 // widget, and the top-level frame's RenderWidgetHostView will ultimately
  37 // manage all native widget interaction.
  38 //
  39 // See comments in render_widget_host_view.h about this class and its members.
  40 class CONTENT_EXPORT RenderWidgetHostViewChildFrame
  41     : public RenderWidgetHostViewBase,
  42       public cc::SurfaceFactoryClient {
  43  public:
  44   explicit RenderWidgetHostViewChildFrame(RenderWidgetHost* widget);
  45   ~RenderWidgetHostViewChildFrame() override;
  46
  47   void set_cross_process_frame_connector(
  48       CrossProcessFrameConnector* frame_connector) {
  49     frame_connector_ = frame_connector;
  50   }
  51
  52   // RenderWidgetHostView implementation.
  53   void InitAsChild(gfx::NativeView parent_view) override;
  54   RenderWidgetHost* GetRenderWidgetHost() const override;
  55   void SetSize(const gfx::Size& size) override;
  56   void SetBounds(const gfx::Rect& rect) override;
  57   void Focus() override;
  58   bool HasFocus() const override;
  59   bool IsSurfaceAvailableForCopy() const override;
  60   void Show() override;
  61   void Hide() override;
  62   bool IsShowing() override;
  63   gfx::Rect GetViewBounds() const override;
  64   gfx::Vector2dF GetLastScrollOffset() const override;
  65   gfx::NativeView GetNativeView() const override;
  66   gfx::NativeViewId GetNativeViewId() const override;
  67   gfx::NativeViewAccessible GetNativeViewAccessible() override;
  68   void SetBackgroundColor(SkColor color) override;
  69   gfx::Size GetPhysicalBackingSize() const override;
  70
  71   // RenderWidgetHostViewBase implementation.
  72   void InitAsPopup(RenderWidgetHostView* parent_host_view,
  73                    const gfx::Rect& bounds) override;
  74   void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override;
  75   void MovePluginWindows(const std::vector<WebPluginGeometry>& moves) override;
  76   void UpdateCursor(const WebCursor& cursor) override;
  77   void SetIsLoading(bool is_loading) override;
  78   void TextInputTypeChanged(ui::TextInputType type,
  79                             ui::TextInputMode input_mode,
  80                             bool can_compose_inline,
  81                             int flags) override;
  82   void ImeCancelComposition() override;
  83   void ImeCompositionRangeChanged(
  84       const gfx::Range& range,
  85       const std::vector<gfx::Rect>& character_bounds) override;
  86   void RenderProcessGone(base::TerminationStatus status,
  87                          int error_code) override;
  88   void Destroy() override;
  89   void SetTooltipText(const base::string16& tooltip_text) override;
  90   void SelectionChanged(const base::string16& text,
  91                         size_t offset,
  92                         const gfx::Range& range) override;
  93   void SelectionBoundsChanged(
  94       const ViewHostMsg_SelectionBounds_Params& params) override;
  95   void CopyFromCompositingSurface(
  96       const gfx::Rect& src_subrect,
  97       const gfx::Size& dst_size,
  98       ReadbackRequestCallback& callback,
  99       const SkColorType preferred_color_type) override;
 100   void CopyFromCompositingSurfaceToVideoFrame(
 101       const gfx::Rect& src_subrect,
 102       const scoped_refptr<media::VideoFrame>& target,
 103       const base::Callback<void(bool)>& callback) override;
 104   bool CanCopyToVideoFrame() const override;
 105   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
 106   void OnSwapCompositorFrame(uint32 output_surface_id,
 107                              scoped_ptr<cc::CompositorFrame> frame) override;
 108   void GetScreenInfo(blink::WebScreenInfo* results) override;
 109   gfx::Rect GetBoundsInRootWindow() override;
 110   gfx::GLSurfaceHandle GetCompositingSurface() override;
 111 #if defined(USE_AURA)
 112   void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
 113                               InputEventAckState ack_result) override;
 114 #endif  // defined(USE_AURA)
 115   bool LockMouse() override;
 116   void UnlockMouse() override;
 117   uint32_t GetSurfaceIdNamespace() override;
 118
 119 #if defined(OS_MACOSX)
 120   // RenderWidgetHostView implementation.
 121   void SetActive(bool active) override;
 122   void SetWindowVisibility(bool visible) override;
 123   void WindowFrameChanged() override;
 124   void ShowDefinitionForSelection() override;
 125   bool SupportsSpeech() const override;
 126   void SpeakSelection() override;
 127   bool IsSpeaking() const override;
 128   void StopSpeaking() override;
 129
 130   // RenderWidgetHostViewBase implementation.
 131   bool PostProcessEventForPluginIme(
 132       const NativeWebKeyboardEvent& event) override;
 133 #endif  // defined(OS_MACOSX)
 134
 135   // RenderWidgetHostViewBase implementation.
 136 #if defined(OS_ANDROID)
 137   void LockCompositingSurface() override;
 138   void UnlockCompositingSurface() override;
 139 #endif  // defined(OS_ANDROID)
 140
 141 #if defined(OS_WIN)
 142   void SetParentNativeViewAccessible(
 143       gfx::NativeViewAccessible accessible_parent) override;
 144   gfx::NativeViewId GetParentForWindowlessPlugin() const override;
 145 #endif
 146   BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
 147       BrowserAccessibilityDelegate* delegate) override;
 148
 149   // cc::SurfaceFactoryClient implementation.
 150   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
 151
 152   // Declared 'public' instead of 'protected' here to allow derived classes
 153   // to Bind() to it.
 154   void SurfaceDrawn(uint32 output_surface_id, cc::SurfaceDrawStatus drawn);
 155
 156  protected:
 157   friend class RenderWidgetHostView;
 158   friend class RenderWidgetHostViewChildFrameTest;
 159   friend class RenderWidgetHostViewGuestSurfaceTest;
 160
 161   // Clears current compositor surface, if one is in use.
 162   void ClearCompositorSurfaceIfNecessary();
 163
 164   // The last scroll offset of the view.
 165   gfx::Vector2dF last_scroll_offset_;
 166
 167   // Members will become private when RenderWidgetHostViewGuest is removed.
 168   // The model object.
 169   RenderWidgetHostImpl* host_;
 170
 171   // Flag determining whether we render into a compositing Surface.
 172   bool use_surfaces_;
 173
 174   // Surface-related state.
 175   scoped_ptr<cc::SurfaceIdAllocator> id_allocator_;
 176   scoped_ptr<cc::SurfaceFactory> surface_factory_;
 177   cc::SurfaceId surface_id_;
 178   uint32 next_surface_sequence_;
 179   uint32 last_output_surface_id_;
 180   gfx::Size current_surface_size_;
 181   float current_surface_scale_factor_;
 182   uint32 ack_pending_count_;
 183   cc::ReturnedResourceArray surface_returned_resources_;
 184
 185   // frame_connector_ provides a platform abstraction. Messages
 186   // sent through it are routed to the embedding renderer process.
 187   CrossProcessFrameConnector* frame_connector_;
 188
 189   base::WeakPtr<RenderWidgetHostViewChildFrame> AsWeakPtr() {
 190     return weak_factory_.GetWeakPtr();
 191   }
 192
 193  private:
 194   base::WeakPtrFactory<RenderWidgetHostViewChildFrame> weak_factory_;
 195   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewChildFrame);
 196 };
 197
 198 }  // namespace content
 199
 200 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_CHILD_FRAME_H_