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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ | 5 #ifndef CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ |
6 #define CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ | 6 #define CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 #include "base/threading/thread.h" |
12 #include "content/renderer/render_view_impl.h" | 13 #include "content/renderer/render_view_impl.h" |
13 #include "ipc/ipc_channel_proxy.h" | 14 #include "ipc/ipc_channel_proxy.h" |
14 #include "webkit/glue/webthread_impl.h" | |
15 | 15 |
16 namespace WebKit { | 16 namespace WebKit { |
17 class WebInputEvent; | 17 class WebInputEvent; |
18 } | 18 } |
19 | 19 |
20 namespace content { | 20 namespace content { |
21 | 21 |
22 class InputEventFilter; | 22 class InputEventFilter; |
23 | 23 |
24 // The CompositorThread class manages the background thread for the compositor. | 24 // The CompositorThread class manages the background thread for the compositor. |
25 // The CompositorThread instance can be assumed to outlive the background | 25 // The CompositorThread instance can be assumed to outlive the background |
26 // thread it manages. | 26 // thread it manages. |
27 class CompositorThread { | 27 class CompositorThread { |
28 public: | 28 public: |
29 // |main_listener| refers to the central IPC message listener that lives on | 29 // |main_listener| refers to the central IPC message listener that lives on |
30 // the main thread, where all incoming IPC messages are first handled. | 30 // the main thread, where all incoming IPC messages are first handled. |
31 explicit CompositorThread(IPC::Listener* main_listener); | 31 explicit CompositorThread(IPC::Listener* main_listener); |
32 ~CompositorThread(); | 32 ~CompositorThread(); |
33 | 33 |
34 // This MessageFilter should be added to allow input events to be redirected | 34 // This MessageFilter should be added to allow input events to be redirected |
35 // to the compositor's thread. | 35 // to the compositor's thread. |
36 IPC::ChannelProxy::MessageFilter* GetMessageFilter() const; | 36 IPC::ChannelProxy::MessageFilter* GetMessageFilter() const; |
37 | 37 |
38 // Callable from the main thread only. | 38 // Callable from the main thread only. |
39 void AddInputHandler(int routing_id, | 39 void AddInputHandler(int routing_id, |
40 int input_handler_id, | 40 int input_handler_id, |
41 const base::WeakPtr<RenderViewImpl>& render_view_impl); | 41 const base::WeakPtr<RenderViewImpl>& render_view_impl); |
42 | 42 |
43 webkit_glue::WebThreadImpl* GetWebThread() { return &thread_; } | 43 base::MessageLoopProxy* message_loop_proxy() const; |
44 | |
45 MessageLoop* message_loop() { return thread_.message_loop(); } | |
46 | 44 |
47 private: | 45 private: |
48 // Callback only from the compositor's thread. | 46 // Callback only from the compositor's thread. |
49 void RemoveInputHandler(int routing_id); | 47 void RemoveInputHandler(int routing_id); |
50 | 48 |
51 // Called from the compositor's thread. | 49 // Called from the compositor's thread. |
52 void HandleInputEvent(int routing_id, | 50 void HandleInputEvent(int routing_id, |
53 const WebKit::WebInputEvent* input_event); | 51 const WebKit::WebInputEvent* input_event); |
54 | 52 |
55 // Called from the compositor's thread. | 53 // Called from the compositor's thread. |
56 void AddInputHandlerOnCompositorThread( | 54 void AddInputHandlerOnCompositorThread( |
57 int routing_id, | 55 int routing_id, |
58 int input_handler_id, | 56 int input_handler_id, |
59 scoped_refptr<base::MessageLoopProxy> main_loop, | 57 scoped_refptr<base::MessageLoopProxy> main_loop, |
60 const base::WeakPtr<RenderViewImpl>& render_view_impl); | 58 const base::WeakPtr<RenderViewImpl>& render_view_impl); |
61 | 59 |
62 class InputHandlerWrapper; | 60 class InputHandlerWrapper; |
63 friend class InputHandlerWrapper; | 61 friend class InputHandlerWrapper; |
64 | 62 |
65 typedef std::map<int, // routing_id | 63 typedef std::map<int, // routing_id |
66 scoped_refptr<InputHandlerWrapper> > InputHandlerMap; | 64 scoped_refptr<InputHandlerWrapper> > InputHandlerMap; |
67 InputHandlerMap input_handlers_; | 65 InputHandlerMap input_handlers_; |
68 | 66 |
69 webkit_glue::WebThreadImpl thread_; | 67 base::Thread thread_; |
70 scoped_refptr<InputEventFilter> filter_; | 68 scoped_refptr<InputEventFilter> filter_; |
71 }; | 69 }; |
72 | 70 |
73 } // namespace content | 71 } // namespace content |
74 | 72 |
75 #endif // CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ | 73 #endif // CONTENT_RENDERER_GPU_COMPOSITOR_THREAD_H_ |
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