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      1 // Copyright 2013 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_RENDERER_INPUT_INPUT_HANDLER_WRAPPER_H_
      6 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_WRAPPER_H_
      7 
      8 #include "base/memory/weak_ptr.h"
      9 #include "content/renderer/input/input_handler_manager.h"
     10 #include "content/renderer/input/input_handler_proxy.h"
     11 #include "content/renderer/input/input_handler_proxy_client.h"
     12 
     13 namespace content {
     14 
     15 // This class lives on the compositor thread.
     16 class InputHandlerWrapper : public InputHandlerProxyClient {
     17  public:
     18   InputHandlerWrapper(InputHandlerManager* input_handler_manager,
     19                       int routing_id,
     20                       const scoped_refptr<base::MessageLoopProxy>& main_loop,
     21                       const base::WeakPtr<cc::InputHandler>& input_handler,
     22                       const base::WeakPtr<RenderViewImpl>& render_view_impl);
     23   virtual ~InputHandlerWrapper();
     24 
     25   int routing_id() const { return routing_id_; }
     26   InputHandlerProxy* input_handler_proxy() { return &input_handler_proxy_; }
     27 
     28   // InputHandlerProxyClient implementation.
     29   virtual void WillShutdown() OVERRIDE;
     30   virtual void TransferActiveWheelFlingAnimation(
     31       const blink::WebActiveWheelFlingParameters& params) OVERRIDE;
     32   virtual blink::WebGestureCurve* CreateFlingAnimationCurve(
     33       blink::WebGestureDevice deviceSource,
     34       const blink::WebFloatPoint& velocity,
     35       const blink::WebSize& cumulativeScroll) OVERRIDE;
     36   virtual void DidOverscroll(const DidOverscrollParams& params) OVERRIDE;
     37   virtual void DidStopFlinging() OVERRIDE;
     38 
     39  private:
     40   InputHandlerManager* input_handler_manager_;
     41   int routing_id_;
     42   InputHandlerProxy input_handler_proxy_;
     43   scoped_refptr<base::MessageLoopProxy> main_loop_;
     44 
     45   // Can only be accessed on the main thread.
     46   base::WeakPtr<RenderViewImpl> render_view_impl_;
     47 
     48   DISALLOW_COPY_AND_ASSIGN(InputHandlerWrapper);
     49 };
     50 
     51 }  // namespace content
     52 
     53 #endif  // CONTENT_RENDERER_INPUT_INPUT_HANDLER_WRAPPER_H_
     54