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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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63 virtual ~GraphicsLayerClient() {} | 63 virtual ~GraphicsLayerClient() {} |
64 | 64 |
65 virtual void notifyPaint(bool isFirstPaint, bool textPainted, bool imagePain
ted) { } | 65 virtual void notifyPaint(bool isFirstPaint, bool textPainted, bool imagePain
ted) { } |
66 | 66 |
67 virtual IntRect computeInterestRect(const GraphicsLayer*, const IntRect& pre
viousInterestRect) const = 0; | 67 virtual IntRect computeInterestRect(const GraphicsLayer*, const IntRect& pre
viousInterestRect) const = 0; |
68 virtual LayoutSize subpixelAccumulation() const { return LayoutSize(); } | 68 virtual LayoutSize subpixelAccumulation() const { return LayoutSize(); } |
69 // Returns whether the client needs to be repainted with respect to the give
n graphics layer. | 69 // Returns whether the client needs to be repainted with respect to the give
n graphics layer. |
70 virtual bool needsRepaint(const GraphicsLayer&) const = 0; | 70 virtual bool needsRepaint(const GraphicsLayer&) const = 0; |
71 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsL
ayerPaintingPhase, const IntRect& interestRect) const = 0; | 71 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsL
ayerPaintingPhase, const IntRect& interestRect) const = 0; |
72 | 72 |
73 virtual bool isTrackingPaintInvalidations() const { return false; } | 73 virtual bool isTrackingRasterInvalidations() const { return false; } |
74 | 74 |
75 virtual String debugName(const GraphicsLayer*) const = 0; | 75 virtual String debugName(const GraphicsLayer*) const = 0; |
76 | 76 |
77 #if ENABLE(ASSERT) | 77 #if ENABLE(ASSERT) |
78 // CompositedLayerMapping overrides this to verify that it is not | 78 // CompositedLayerMapping overrides this to verify that it is not |
79 // currently painting contents. An ASSERT fails, if it is. | 79 // currently painting contents. An ASSERT fails, if it is. |
80 // This is executed in GraphicsLayer construction and destruction | 80 // This is executed in GraphicsLayer construction and destruction |
81 // to verify that we don't create or destroy GraphicsLayers | 81 // to verify that we don't create or destroy GraphicsLayers |
82 // while painting. | 82 // while painting. |
83 virtual void verifyNotPainting() { } | 83 virtual void verifyNotPainting() { } |
84 #endif | 84 #endif |
85 }; | 85 }; |
86 | 86 |
87 } // namespace blink | 87 } // namespace blink |
88 | 88 |
89 #endif // GraphicsLayerClient_h | 89 #endif // GraphicsLayerClient_h |
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