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1 // Copyright 2017 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 REMOTING_CLIENT_UI_RENDERER_PROXY_H_ | |
6 #define REMOTING_CLIENT_UI_RENDERER_PROXY_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/memory/weak_ptr.h" | |
10 #include "base/single_thread_task_runner.h" | |
11 | |
12 namespace remoting { | |
13 | |
14 class GlRenderer; | |
15 class QueuedTaskPoster; | |
16 class ViewMatrix; | |
17 | |
18 // A class to proxy calls to GlRenderer from one thread to another. | |
19 // TODO(yuweih): This should be removed once we have moved Drawables out of | |
20 // GlRenderer. | |
21 class RendererProxy { | |
22 public: | |
23 // task_runner: The task runner that |renderer_| should be run on. | |
24 RendererProxy(scoped_refptr<base::SingleThreadTaskRunner> task_runner); | |
25 ~RendererProxy(); | |
26 | |
27 // Initialize with the renderer to be proxied. | |
28 void Initialize(base::WeakPtr<GlRenderer> renderer); | |
29 | |
30 void SetTransformation(const ViewMatrix& transformation); | |
31 void SetCursorPosition(float x, float y); | |
32 void SetCursorVisibility(bool visible); | |
33 void StartInputFeedback(float x, float y, float diameter); | |
34 | |
35 base::WeakPtr<RendererProxy> GetWeakPtr(); | |
36 | |
37 private: | |
38 // Runs the |task| on the thread of |task_runner_|. All tasks run with | |
39 // |needs_synchronization| set to true inside the same tick will be run on | |
40 // |task_runner_| within the same tick. | |
41 void RunTaskOnProperThread(const base::Closure& task, | |
42 bool needs_synchronization); | |
43 | |
44 base::WeakPtr<GlRenderer> renderer_; | |
45 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
46 std::unique_ptr<remoting::QueuedTaskPoster> ui_task_poster_; | |
47 | |
48 base::WeakPtrFactory<RendererProxy> weak_factory_; | |
49 | |
50 // RenderStubProxy is neither copyable nor movable. | |
51 RendererProxy(const RendererProxy&) = delete; | |
52 RendererProxy& operator=(const RendererProxy&) = delete; | |
53 }; | |
54 | |
55 } // namespace remoting | |
56 #endif // REMOTING_CLIENT_UI_RENDERER_PROXY_H_ | |
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