content/browser/frame_host/render_widget_host_view_guest.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_GUEST_H_
   6 #define CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/cursors/webcursor.h"
  14 #include "ui/events/event.h"
  15 #include "ui/events/gestures/gesture_recognizer.h"
  16 #include "ui/events/gestures/gesture_types.h"
  17 #include "ui/gfx/native_widget_types.h"
  18 #include "ui/gfx/rect.h"
  19 #include "ui/gfx/vector2d_f.h"
  20
  21 struct ViewHostMsg_TextInputState_Params;
  22
  23 namespace content {
  24 class BrowserPluginGuest;
  25 class RenderWidgetHost;
  26 class RenderWidgetHostImpl;
  27 struct NativeWebKeyboardEvent;
  28
  29 // See comments in render_widget_host_view.h about this class and its members.
  30 // This version is for the BrowserPlugin which handles a lot of the
  31 // functionality in a diffent place and isn't platform specific.
  32 // The BrowserPlugin is currently a special case for out-of-process rendered
  33 // content and therefore inherits from RenderWidgetHostViewChildFrame.
  34 // Eventually all RenderWidgetHostViewGuest code will be subsumed by
  35 // RenderWidgetHostViewChildFrame and this class will be removed.
  36 //
  37 // Some elements that are platform specific will be deal with by delegating
  38 // the relevant calls to the platform view.
  39 class CONTENT_EXPORT RenderWidgetHostViewGuest
  40     : public RenderWidgetHostViewChildFrame,
  41       public ui::GestureConsumer,
  42       public ui::GestureEventHelper {
  43  public:
  44   RenderWidgetHostViewGuest(RenderWidgetHost* widget,
  45                             BrowserPluginGuest* guest,
  46                             RenderWidgetHostViewBase* platform_view);
  47   virtual ~RenderWidgetHostViewGuest();
  48
  49   bool OnMessageReceivedFromEmbedder(const IPC::Message& message,
  50                                      RenderWidgetHostImpl* embedder);
  51
  52   // RenderWidgetHostView implementation.
  53   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  54   virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE;
  55   virtual void SetSize(const gfx::Size& size) OVERRIDE;
  56   virtual void SetBounds(const gfx::Rect& rect) OVERRIDE;
  57   virtual void Focus() OVERRIDE;
  58   virtual bool HasFocus() const OVERRIDE;
  59   virtual gfx::NativeView GetNativeView() const OVERRIDE;
  60   virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE;
  61   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
  62   virtual gfx::Rect GetViewBounds() const OVERRIDE;
  63   virtual void SetBackgroundOpaque(bool opaque) OVERRIDE;
  64   virtual gfx::Size GetPhysicalBackingSize() const OVERRIDE;
  65   virtual base::string16 GetSelectedText() const OVERRIDE;
  66
  67   // RenderWidgetHostViewBase implementation.
  68   virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
  69                            const gfx::Rect& pos) OVERRIDE;
  70   virtual void InitAsFullscreen(
  71       RenderWidgetHostView* reference_host_view) OVERRIDE;
  72   virtual void WasShown() OVERRIDE;
  73   virtual void WasHidden() OVERRIDE;
  74   virtual void MovePluginWindows(
  75       const std::vector<WebPluginGeometry>& moves) OVERRIDE;
  76   virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
  77   virtual void SetIsLoading(bool is_loading) OVERRIDE;
  78   virtual void TextInputStateChanged(
  79       const ViewHostMsg_TextInputState_Params& params) OVERRIDE;
  80   virtual void ImeCancelComposition() OVERRIDE;
  81 #if defined(OS_MACOSX) || defined(USE_AURA)
  82   virtual void ImeCompositionRangeChanged(
  83       const gfx::Range& range,
  84       const std::vector<gfx::Rect>& character_bounds) OVERRIDE;
  85 #endif
  86   virtual void RenderProcessGone(base::TerminationStatus status,
  87                                  int error_code) OVERRIDE;
  88   virtual void Destroy() OVERRIDE;
  89   virtual void SetTooltipText(const base::string16& tooltip_text) OVERRIDE;
  90   virtual void SelectionChanged(const base::string16& text,
  91                                 size_t offset,
  92                                 const gfx::Range& range) OVERRIDE;
  93   virtual void SelectionBoundsChanged(
  94       const ViewHostMsg_SelectionBounds_Params& params) OVERRIDE;
  95   virtual void CopyFromCompositingSurface(
  96       const gfx::Rect& src_subrect,
  97       const gfx::Size& dst_size,
  98       const base::Callback<void(bool, const SkBitmap&)>& callback,
  99       const SkColorType color_type) OVERRIDE;
 100   virtual void AcceleratedSurfaceBuffersSwapped(
 101       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
 102       int gpu_host_id) OVERRIDE;
 103   virtual void AcceleratedSurfacePostSubBuffer(
 104       const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
 105       int gpu_host_id) OVERRIDE;
 106   virtual void OnSwapCompositorFrame(
 107       uint32 output_surface_id,
 108       scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
 109 #if defined(USE_AURA)
 110   virtual void ProcessAckedTouchEvent(
 111       const TouchEventWithLatencyInfo& touch,
 112       InputEventAckState ack_result) OVERRIDE;
 113 #endif
 114   virtual bool LockMouse() OVERRIDE;
 115   virtual void UnlockMouse() OVERRIDE;
 116   virtual void GetScreenInfo(blink::WebScreenInfo* results) OVERRIDE;
 117
 118 #if defined(OS_MACOSX)
 119   // RenderWidgetHostView implementation.
 120   virtual void SetActive(bool active) OVERRIDE;
 121   virtual void SetTakesFocusOnlyOnMouseDown(bool flag) OVERRIDE;
 122   virtual void SetWindowVisibility(bool visible) OVERRIDE;
 123   virtual void WindowFrameChanged() OVERRIDE;
 124   virtual void ShowDefinitionForSelection() OVERRIDE;
 125   virtual bool SupportsSpeech() const OVERRIDE;
 126   virtual void SpeakSelection() OVERRIDE;
 127   virtual bool IsSpeaking() const OVERRIDE;
 128   virtual void StopSpeaking() OVERRIDE;
 129
 130   // RenderWidgetHostViewBase implementation.
 131   virtual bool PostProcessEventForPluginIme(
 132       const NativeWebKeyboardEvent& event) OVERRIDE;
 133 #endif  // defined(OS_MACOSX)
 134
 135 #if defined(OS_ANDROID)
 136   // RenderWidgetHostViewBase implementation.
 137   virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
 138                                        const SkBitmap& zoomed_bitmap) OVERRIDE;
 139   virtual void LockCompositingSurface() OVERRIDE;
 140   virtual void UnlockCompositingSurface() OVERRIDE;
 141 #endif  // defined(OS_ANDROID)
 142
 143 #if defined(OS_WIN)
 144   virtual void SetParentNativeViewAccessible(
 145       gfx::NativeViewAccessible accessible_parent) OVERRIDE;
 146   virtual gfx::NativeViewId GetParentForWindowlessPlugin() const OVERRIDE;
 147 #endif
 148
 149   // Overridden from ui::GestureEventHelper.
 150   virtual bool CanDispatchToConsumer(ui::GestureConsumer* consumer) OVERRIDE;
 151   virtual void DispatchGestureEvent(ui::GestureEvent* event) OVERRIDE;
 152   virtual void DispatchCancelTouchEvent(ui::TouchEvent* event) OVERRIDE;
 153
 154   virtual SkColorType PreferredReadbackFormat() OVERRIDE;
 155
 156  protected:
 157   friend class RenderWidgetHostView;
 158
 159  private:
 160   // Destroys this view without calling |Destroy| on |platform_view_|.
 161   void DestroyGuestView();
 162
 163   // Builds and forwards a WebKitGestureEvent to the renderer.
 164   bool ForwardGestureEventToRenderer(ui::GestureEvent* gesture);
 165
 166   // Process all of the given gestures (passes them on to renderer)
 167   void ProcessGestures(ui::GestureRecognizer::Gestures* gestures);
 168
 169   RenderWidgetHostViewBase* GetGuestRenderWidgetHostView() const;
 170
 171   void OnHandleInputEvent(RenderWidgetHostImpl* embedder,
 172                           int browser_plugin_instance_id,
 173                           const gfx::Rect& guest_window_rect,
 174                           const blink::WebInputEvent* event);
 175
 176   // BrowserPluginGuest and RenderWidgetHostViewGuest's lifetimes are not tied
 177   // to one another, therefore we access |guest_| through WeakPtr.
 178   base::WeakPtr<BrowserPluginGuest> guest_;
 179   gfx::Size size_;
 180   // The platform view for this RenderWidgetHostView.
 181   // RenderWidgetHostViewGuest mostly only cares about stuff related to
 182   // compositing, the rest are directly forwared to this |platform_view_|.
 183   RenderWidgetHostViewBase* platform_view_;
 184 #if defined(USE_AURA)
 185   scoped_ptr<ui::GestureRecognizer> gesture_recognizer_;
 186 #endif
 187   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewGuest);
 188 };
 189
 190 }  // namespace content
 191
 192 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_WIDGET_HOST_VIEW_GUEST_H_