Cast: Stop logging kVideoFrameSentToEncoder and rename a couple events.
[chromium-blink-merge.git] / content / renderer / input / input_handler_manager.h
blobb6c70700526b9e7a1f907c56a7856f5181316e2d
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.
5 #ifndef CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_
6 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_
8 #include "base/containers/scoped_ptr_hash_map.h"
9 #include "base/memory/ref_counted.h"
10 #include "base/memory/weak_ptr.h"
11 #include "content/common/input/input_event_ack_state.h"
12 #include "content/renderer/render_view_impl.h"
14 namespace base {
15 class MessageLoopProxy;
18 namespace cc {
19 class InputHandler;
22 namespace blink {
23 class WebInputEvent;
26 namespace content {
28 class InputHandlerWrapper;
29 class InputHandlerManagerClient;
30 struct DidOverscrollParams;
32 // InputHandlerManager class manages InputHandlerProxy instances for
33 // the WebViews in this renderer.
34 class InputHandlerManager {
35 public:
36 // |message_loop_proxy| is the MessageLoopProxy of the compositor thread. Both
37 // the underlying MessageLoop and supplied |client| must outlive this object.
38 InputHandlerManager(
39 const scoped_refptr<base::MessageLoopProxy>& message_loop_proxy,
40 InputHandlerManagerClient* client);
41 ~InputHandlerManager();
43 // Callable from the main thread only.
44 void AddInputHandler(
45 int routing_id,
46 const base::WeakPtr<cc::InputHandler>& input_handler,
47 const base::WeakPtr<RenderViewImpl>& render_view_impl);
49 // Callback only from the compositor's thread.
50 void RemoveInputHandler(int routing_id);
52 // Called from the compositor's thread.
53 InputEventAckState HandleInputEvent(int routing_id,
54 const blink::WebInputEvent* input_event,
55 ui::LatencyInfo* latency_info);
57 // Called from the compositor's thread.
58 void DidOverscroll(int routing_id, const DidOverscrollParams& params);
60 // Called from the compositor's thread.
61 void DidStopFlinging(int routing_id);
63 private:
64 // Called from the compositor's thread.
65 void AddInputHandlerOnCompositorThread(
66 int routing_id,
67 const scoped_refptr<base::MessageLoopProxy>& main_loop,
68 const base::WeakPtr<cc::InputHandler>& input_handler,
69 const base::WeakPtr<RenderViewImpl>& render_view_impl);
71 typedef base::ScopedPtrHashMap<int, // routing_id
72 InputHandlerWrapper> InputHandlerMap;
73 InputHandlerMap input_handlers_;
75 scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
76 InputHandlerManagerClient* client_;
79 } // namespace content
81 #endif // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_