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Side by Side Diff: content/browser/renderer_host/begin_frame_observer_proxy.h

Issue 1016033006: Enable BeginFrame scheduling on aura (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 9 months ago
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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 {
29 public: 30 public:
30 explicit BeginFrameObserverProxy(BeginFrameObserverProxyClient* client); 31 explicit BeginFrameObserverProxy(BeginFrameObserverProxyClient* client);
31 ~BeginFrameObserverProxy() override; 32 ~BeginFrameObserverProxy() override;
32 33
33 void SetNeedsBeginFrames(bool needs_begin_frames); 34 void SetNeedsBeginFrames(bool needs_begin_frames);
34 35
35 void SetCompositor(ui::Compositor* compositor); 36 void SetCompositor(ui::Compositor* compositor);
36 void ResetCompositor(); 37 void ResetCompositor();
37 38
38 // Overridden from ui::CompositorBeginFrameObserver: 39 // Overridden from ui::CompositorBeginFrameObserver:
39 void OnSendBeginFrame(const cc::BeginFrameArgs& args) override; 40 void OnSendBeginFrame(const cc::BeginFrameArgs& args) override;
40 41
42 // Overridden from ui::CompositorObserver:
43 void OnCompositingDidCommit(ui::Compositor* compositor) override {}
44 void OnCompositingStarted(ui::Compositor* compositor,
45 base::TimeTicks start_time) override {}
46 void OnCompositingEnded(ui::Compositor* compositor) override {}
47 void OnCompositingAborted(ui::Compositor* compositor) override {}
48 void OnCompositingLockStateChanged(ui::Compositor* compositor) override {}
49 void OnCompositingShuttingDown(ui::Compositor* compositor) override;
50
41 private: 51 private:
42 void StartObservingBeginFrames(); 52 void StartObservingBeginFrames();
43 void StopObservingBeginFrames(); 53 void StopObservingBeginFrames();
44 54
45 // True when RenderWidget needs a BeginFrame message. 55 // True when RenderWidget needs a BeginFrame message.
46 bool needs_begin_frames_; 56 bool needs_begin_frames_;
47 57
48 // Used whether to send begin frame to client or not. When |args| from 58 // Used whether to send begin frame to client or not. When |args| from
49 // Compositor is different from this, send to client. 59 // Compositor is different from this, send to client.
50 cc::BeginFrameArgs last_sent_begin_frame_args_; 60 cc::BeginFrameArgs last_sent_begin_frame_args_;
51 61
52 BeginFrameObserverProxyClient* client_; 62 BeginFrameObserverProxyClient* client_;
53 ui::Compositor* compositor_; 63 ui::Compositor* compositor_;
54 64
55 DISALLOW_COPY_AND_ASSIGN(BeginFrameObserverProxy); 65 DISALLOW_COPY_AND_ASSIGN(BeginFrameObserverProxy);
56 }; 66 };
57 67
58 } // namespace content 68 } // namespace content
59 69
60 #endif // CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_ 70 #endif // CONTENT_BROWSER_RENDERER_HOST_BEGIN_FRAME_OBSERVER_PROXY_H_
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