OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ |
7 | 7 |
8 #include "content/common/content_export.h" | 8 #include "content/common/content_export.h" |
9 #include "ui/compositor/compositor.h" | 9 #include "ui/compositor/compositor.h" |
10 #include "ui/compositor/compositor_observer.h" | 10 #include "ui/compositor/compositor_observer.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 struct BeginFrameArgs; | 13 struct BeginFrameArgs; |
14 } | 14 } |
15 | 15 |
16 namespace content { | 16 namespace content { |
17 | 17 |
18 // This is the interface from the BeginFrameObserverProxy which manages sending | 18 // This is the interface from the BeginFrameObserverProxy which manages sending |
19 // BeginFrame messages. | 19 // BeginFrame messages. |
20 class BeginFrameObserverProxyClient { | 20 class BeginFrameObserverProxyClient { |
21 public: | 21 public: |
22 virtual void SendBeginFrame(const cc::BeginFrameArgs& args) = 0; | 22 virtual void SendBeginFrame(const cc::BeginFrameArgs& args) = 0; |
23 }; | 23 }; |
24 | 24 |
25 // This class is used to manage all of the RenderWidgetHostView state and | 25 // This class is used to manage all of the RenderWidgetHostView state and |
26 // functionality that is associated with BeginFrame message handling. | 26 // functionality that is associated with BeginFrame message handling. |
27 class CONTENT_EXPORT BeginFrameObserverProxy | 27 class CONTENT_EXPORT BeginFrameObserverProxy |
28 : public ui::CompositorBeginFrameObserver, | 28 : public ui::CompositorBeginFrameObserver { |
29 public ui::CompositorObserver { | |
30 public: | 29 public: |
31 explicit BeginFrameObserverProxy(BeginFrameObserverProxyClient* client); | 30 explicit BeginFrameObserverProxy(BeginFrameObserverProxyClient* client); |
32 ~BeginFrameObserverProxy() override; | 31 ~BeginFrameObserverProxy() override; |
33 | 32 |
34 void SetNeedsBeginFrames(bool needs_begin_frames); | 33 void SetNeedsBeginFrames(bool needs_begin_frames); |
35 | 34 |
36 void SetCompositor(ui::Compositor* compositor); | 35 void SetCompositor(ui::Compositor* compositor); |
37 void ResetCompositor(); | 36 void ResetCompositor(); |
38 | 37 |
39 // Overridden from ui::CompositorBeginFrameObserver: | 38 // Overridden from ui::CompositorBeginFrameObserver: |
40 void OnSendBeginFrame(const cc::BeginFrameArgs& args) override; | 39 void OnSendBeginFrame(const cc::BeginFrameArgs& args) override; |
41 | 40 |
42 // Overridden from ui::CompositorObserver: | |
43 // TODO(simonhong): Stop overriding ui::CompositorObserver. We need to make | |
44 // sure that this class should be destroyed before ui::Compositor. | |
45 void OnCompositingDidCommit(ui::Compositor* compositor) override {} | |
46 void OnCompositingStarted(ui::Compositor* compositor, | |
47 base::TimeTicks start_time) override {} | |
48 void OnCompositingEnded(ui::Compositor* compositor) override {} | |
49 void OnCompositingAborted(ui::Compositor* compositor) override {} | |
50 void OnCompositingLockStateChanged(ui::Compositor* compositor) override {} | |
51 void OnCompositingShuttingDown(ui::Compositor* compositor) override; | |
52 | |
53 private: | 41 private: |
54 void StartObservingBeginFrames(); | 42 void StartObservingBeginFrames(); |
55 void StopObservingBeginFrames(); | 43 void StopObservingBeginFrames(); |
56 | 44 |
57 // True when RenderWidget needs a BeginFrame message. | 45 // True when RenderWidget needs a BeginFrame message. |
58 bool needs_begin_frames_; | 46 bool needs_begin_frames_; |
59 | 47 |
60 // Used whether to send begin frame to client or not. When |args| from | 48 // Used whether to send begin frame to client or not. When |args| from |
61 // Compositor is different from this, send to client. | 49 // Compositor is different from this, send to client. |
62 cc::BeginFrameArgs last_sent_begin_frame_args_; | 50 cc::BeginFrameArgs last_sent_begin_frame_args_; |
63 | 51 |
64 BeginFrameObserverProxyClient* client_; | 52 BeginFrameObserverProxyClient* client_; |
65 ui::Compositor* compositor_; | 53 ui::Compositor* compositor_; |
66 | 54 |
67 DISALLOW_COPY_AND_ASSIGN(BeginFrameObserverProxy); | 55 DISALLOW_COPY_AND_ASSIGN(BeginFrameObserverProxy); |
68 }; | 56 }; |
69 | 57 |
70 } // namespace content | 58 } // namespace content |
71 | 59 |
72 #endif // CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ | 60 #endif // CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ |
OLD | NEW |