src/content/renderer/input/input_handler_wrapper.h

   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 #include "third_party/WebKit/public/platform/WebSchedulerProxy.h"
  13
  14 namespace content {
  15
  16 // This class lives on the compositor thread.
  17 class InputHandlerWrapper : public InputHandlerProxyClient {
  18  public:
  19   InputHandlerWrapper(InputHandlerManager* input_handler_manager,
  20                       int routing_id,
  21                       const scoped_refptr<base::MessageLoopProxy>& main_loop,
  22                       const base::WeakPtr<cc::InputHandler>& input_handler,
  23                       const base::WeakPtr<RenderViewImpl>& render_view_impl);
  24   virtual ~InputHandlerWrapper();
  25
  26   int routing_id() const { return routing_id_; }
  27   InputHandlerProxy* input_handler_proxy() { return &input_handler_proxy_; }
  28
  29   // InputHandlerProxyClient implementation.
  30   virtual void WillShutdown() OVERRIDE;
  31   virtual void TransferActiveWheelFlingAnimation(
  32       const blink::WebActiveWheelFlingParameters& params) OVERRIDE;
  33   virtual blink::WebGestureCurve* CreateFlingAnimationCurve(
  34       blink::WebGestureDevice deviceSource,
  35       const blink::WebFloatPoint& velocity,
  36       const blink::WebSize& cumulativeScroll) OVERRIDE;
  37   virtual void DidOverscroll(const DidOverscrollParams& params) OVERRIDE;
  38   virtual void DidStopFlinging() OVERRIDE;
  39   virtual void DidReceiveInputEvent() OVERRIDE;
  40
  41  private:
  42   InputHandlerManager* input_handler_manager_;
  43   int routing_id_;
  44   InputHandlerProxy input_handler_proxy_;
  45   scoped_refptr<base::MessageLoopProxy> main_loop_;
  46   blink::WebSchedulerProxy web_scheduler_proxy_;
  47
  48   // Can only be accessed on the main thread.
  49   base::WeakPtr<RenderViewImpl> render_view_impl_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(InputHandlerWrapper);
  52 };
  53
  54 }  // namespace content
  55
  56 #endif  // CONTENT_RENDERER_INPUT_INPUT_HANDLER_WRAPPER_H_