Support InputMethodManager#updateCursorAnchorInfo for Android 5.0 (C++ version)

content/browser/renderer_host/render_widget_host_view_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/output/begin_frame_args.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/delegated_frame_evictor.h"
 #include "content/browser/renderer_host/ime_adapter_android.h"
 #include "content/browser/renderer_host/input/stylus_text_selector.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/readback_types.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "ui/base/android/window_android_observer.h"
+#include "ui/base/ime/android/cursor_anchor_info_sender.h"
 #include "ui/events/gesture_detection/filtered_gesture_provider.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 #include "ui/touch_selection/touch_selection_controller.h"
 
 struct ViewHostMsg_TextInputState_Params;
 
 namespace cc {
 class CopyOutputResult;
 class DelegatedFrameProvider;
 class DelegatedRendererLayer;
 class Layer;
 }
 
 namespace blink {
 class WebExternalTextureLayer;
 class WebTouchEvent;
 class WebMouseEvent;
 }
 
+namespace ui {
+class CursorAnchorInfoBuilder;
+class CursorAnchorInfoController;
+}
+
 namespace content {
 class ContentViewCoreImpl;
 class OverscrollControllerAndroid;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 struct DidOverscrollParams;
 struct NativeWebKeyboardEvent;
 
 class ReadbackRequest {
  public:
@@ skipping 14 matching lines @@
   gfx::Rect src_subrect_;
   ReadbackRequestCallback result_callback_;
 };
 
 // -----------------------------------------------------------------------------
 // See comments in render_widget_host_view.h about this class and its members.
 // -----------------------------------------------------------------------------
 class CONTENT_EXPORT RenderWidgetHostViewAndroid
     : public RenderWidgetHostViewBase,
       public cc::DelegatedFrameResourceCollectionClient,
+      public ui::CursorAnchorInfoSender,
       public ui::GestureProviderClient,
       public ui::WindowAndroidObserver,
       public DelegatedFrameEvictorClient,
       public StylusTextSelectorClient,
       public ui::TouchSelectionControllerClient {
  public:
   RenderWidgetHostViewAndroid(RenderWidgetHostImpl* widget,
                               ContentViewCoreImpl* content_view_core);
   virtual ~RenderWidgetHostViewAndroid();
 
@@ skipping 82 matching lines @@
       override;
   virtual void LockCompositingSurface() override;
   virtual void UnlockCompositingSurface() override;
   virtual void OnTextSurroundingSelectionResponse(const base::string16& content,
                                                   size_t start_offset,
                                                   size_t end_offset) override;
 
   // cc::DelegatedFrameResourceCollectionClient implementation.
   virtual void UnusedResourcesAreAvailable() override;
 
+  // ui::CursorAnchorInfoControllerSender implementation.
+  virtual void SendCursorAnchorInfo(
+      ui::CursorAnchorInfoBuilder* builder) override;
+
   // ui::GestureProviderClient implementation.
   virtual void OnGestureEvent(const ui::GestureEventData& gesture) override;
 
   // ui::WindowAndroidObserver implementation.
   virtual void OnCompositingDidCommit() override;
   virtual void OnAttachCompositor() override;
   virtual void OnDetachCompositor() override;
   virtual void OnVSync(base::TimeTicks frame_time,
                        base::TimeDelta vsync_period) override;
   virtual void OnAnimate(base::TimeTicks begin_frame_time) override;
@@ skipping 21 matching lines @@
   virtual scoped_ptr<ui::TouchHandleDrawable> CreateDrawable() override;
 
   // Non-virtual methods
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
   SkColor GetCachedBackgroundColor() const;
   void SendKeyEvent(const NativeWebKeyboardEvent& event);
   void SendMouseEvent(const blink::WebMouseEvent& event);
   void SendMouseWheelEvent(const blink::WebMouseWheelEvent& event);
   void SendGestureEvent(const blink::WebGestureEvent& event);
 
+  bool RequestCursorUpdates(uint32 cursor_update_mode);
+
   void OnTextInputStateChanged(const ViewHostMsg_TextInputState_Params& params);
   void OnDidChangeBodyBackgroundColor(SkColor color);
   void OnStartContentIntent(const GURL& content_url);
   void OnSetNeedsBeginFrames(bool enabled);
   void OnSmartClipDataExtracted(const base::string16& text,
                                 const base::string16& html,
                                 const gfx::Rect rect);
 
   bool OnTouchEvent(const ui::MotionEvent& event);
   bool OnTouchHandleEvent(const ui::MotionEvent& event);
@@ skipping 106 matching lines @@
   // Used to control action dispatch at the next |OnVSync()| call.
   uint32 outstanding_vsync_requests_;
 
   bool is_showing_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;
 
   ImeAdapterAndroid ime_adapter_android_;
 
+  scoped_ptr<ui::CursorAnchorInfoController> cursor_anchor_info_controller_;
+
   // Body background color of the underlying document.
   SkColor cached_background_color_;
 
   scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
   scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
   scoped_refptr<cc::DelegatedRendererLayer> layer_;
 
   // The most recent texture size that was pushed to the texture layer.
   gfx::Size texture_size_in_layer_;
 
@@ skipping 51 matching lines @@
   gfx::Vector2dF last_scroll_offset_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_