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1 // Copyright (c) 2017 The Chromium Authors. All rights reserved. | |
boliu
2017/07/05 17:39:48
no (c)
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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 CONTENT_BROWSER_RENDERER_HOST_FULLSCREEN_JANK_DETECTOR_H_ | |
6 #define CONTENT_BROWSER_RENDERER_HOST_FULLSCREEN_JANK_DETECTOR_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "content/common/content_export.h" | |
10 #include "ui/gfx/geometry/size.h" | |
11 | |
12 namespace content { | |
13 | |
14 // FullscreenJankDetector receives fullscreen state and sizing changes from | |
15 // RenderWidgetHostViewAndroid and uses that to identify fullscreen transition | |
16 // frames that will look janky. | |
17 class CONTENT_EXPORT FullscreenJankDetector { | |
boliu
2017/07/05 17:39:48
I get really picky about the word "jank", because
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18 public: | |
19 FullscreenJankDetector(){}; | |
boliu
2017/07/05 17:39:48
space after (), and no semicolon at the end
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20 ~FullscreenJankDetector(){}; | |
21 | |
22 void OnFullscreenStateChanged(bool is_fullscreen); | |
23 void OnPhysicalBackingSizeChanged(gfx::Size size); | |
24 void OnFrameMetadataUpdated(bool frame_is_fullscreen, gfx::Size frame_size); | |
25 bool IsInFullscreenTransition() const; | |
26 | |
27 private: | |
28 enum class FullscreenState { | |
29 kNotFullscreen, | |
30 kEnteringFullscreen, | |
31 kFullscreen, | |
32 kExitingFullscreen, | |
33 kFullscreenRotation, | |
34 }; | |
35 | |
36 void UpdateFullscreenState(); | |
37 | |
38 FullscreenState state_ = FullscreenState::kNotFullscreen; | |
39 | |
40 bool web_contents_is_fullscreen_ = false; | |
41 bool frame_is_fullscreen_ = false; | |
42 gfx::Size view_size_; | |
43 gfx::Size frame_size_; | |
44 | |
45 DISALLOW_COPY_AND_ASSIGN(FullscreenJankDetector); | |
46 }; | |
47 | |
48 } // namespace content | |
49 | |
50 #endif // CONTENT_BROWSER_RENDERER_HOST_FULLSCREEN_JANK_DETECTOR_H_ | |
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