sky/engine/core/rendering/ImageQualityController.h - Issue 860843006: Delete blink::ImageQualityController

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Issue 860843006: Delete blink::ImageQualityController (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 5 years, 11 months ago

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1 /*

2 * Copyright (C) 2013 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this software without specific prior written permission.

17 *

18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

29 */

30

31 #ifndef SKY_ENGINE_CORE_RENDERING_IMAGEQUALITYCONTROLLER_H_

32 #define SKY_ENGINE_CORE_RENDERING_IMAGEQUALITYCONTROLLER_H_

33

34 #include "sky/engine/core/rendering/RenderObject.h"

35 #include "sky/engine/platform/geometry/IntSize.h"

36 #include "sky/engine/platform/geometry/LayoutSize.h"

37 #include "sky/engine/platform/graphics/Image.h"

38 #include "sky/engine/platform/graphics/ImageOrientation.h"

39 #include "sky/engine/platform/graphics/ImageSource.h"

40 #include "sky/engine/wtf/HashMap.h"

41

42 namespace blink {

43

44 typedef HashMap<const void*, LayoutSize> LayerSizeMap;

45 typedef HashMap<RenderObject*, LayerSizeMap> ObjectLayerSizeMap;

46

47 class ImageQualityController final {

48 WTF_MAKE_NONCOPYABLE(ImageQualityController); WTF_MAKE_FAST_ALLOCATED;

49 public:

50 ~ImageQualityController();

51

52 static ImageQualityController* imageQualityController();

53

54 static void remove(RenderObject*);

55

56 InterpolationQuality chooseInterpolationQuality(GraphicsContext, RenderObje ct, Image, const void layer, const LayoutSize&);

57

58 // For testing.

59 static bool has(RenderObject*);

60 // This is public for testing. Do not call this from other classes.

61 void set(RenderObject, LayerSizeMap innerMap, const void* layer, const Lay outSize&);

62

63 private:

64 ImageQualityController();

65

66 bool shouldPaintAtLowQuality(GraphicsContext, RenderObject, Image, const void layer, const LayoutSize&);

67 void removeLayer(RenderObject, LayerSizeMap innerMap, const void* layer);

68 void objectDestroyed(RenderObject*);

69 bool isEmpty() { return m_objectLayerSizeMap.isEmpty(); }

70

71 void highQualityRepaintTimerFired(Timer<ImageQualityController>*);

72 void restartTimer();

73

74 ObjectLayerSizeMap m_objectLayerSizeMap;

75 Timer<ImageQualityController> m_timer;

76 bool m_animatedResizeIsActive;

77 bool m_liveResizeOptimizationIsActive;

78 };

79

80 } // namespace blink

81

82 #endif // SKY_ENGINE_CORE_RENDERING_IMAGEQUALITYCONTROLLER_H_

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