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| 1 /* | |
| 2 * Copyright (C) 2009 Apple 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 | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef GraphicsLayerClient_h | |
| 27 #define GraphicsLayerClient_h | |
| 28 | |
| 29 #include "wtf/text/WTFString.h" | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 class FloatPoint; | |
| 34 class GraphicsContext; | |
| 35 class GraphicsLayer; | |
| 36 class IntPoint; | |
| 37 class IntRect; | |
| 38 class TransformationMatrix; | |
| 39 | |
| 40 enum GraphicsLayerPaintingPhaseFlags { | |
| 41 GraphicsLayerPaintBackground = (1 << 0), | |
| 42 GraphicsLayerPaintForeground = (1 << 1), | |
| 43 GraphicsLayerPaintMask = (1 << 2), | |
| 44 GraphicsLayerPaintOverflowContents = (1 << 3), | |
| 45 GraphicsLayerPaintCompositedScroll = (1 << 4), | |
| 46 GraphicsLayerPaintChildClippingMask = (1 << 5), | |
| 47 GraphicsLayerPaintAllWithOverflowClip = (GraphicsLayerPaintBackground | Grap
hicsLayerPaintForeground | GraphicsLayerPaintMask) | |
| 48 }; | |
| 49 typedef unsigned GraphicsLayerPaintingPhase; | |
| 50 | |
| 51 enum { | |
| 52 LayerTreeNormal = 0, | |
| 53 LayerTreeIncludesDebugInfo = 1 << 0, // Dump extra debugging info like layer
addresses. | |
| 54 LayerTreeIncludesRepaintRects = 1 << 1, | |
| 55 LayerTreeIncludesPaintingPhases = 1 << 2, | |
| 56 LayerTreeIncludesRootLayer = 1 << 3, | |
| 57 LayerTreeIncludesClipAndScrollParents = 1 << 4 | |
| 58 }; | |
| 59 typedef unsigned LayerTreeFlags; | |
| 60 | |
| 61 class GraphicsLayerClient { | |
| 62 public: | |
| 63 virtual ~GraphicsLayerClient() {} | |
| 64 | |
| 65 // Callback for when hardware-accelerated animation started. | |
| 66 virtual void notifyAnimationStarted(const GraphicsLayer*, double time) = 0; | |
| 67 | |
| 68 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsL
ayerPaintingPhase, const IntRect& inClip) = 0; | |
| 69 virtual void didCommitChangesForLayer(const GraphicsLayer*) const { } | |
| 70 | |
| 71 // Provides current transform (taking transform-origin and animations into a
ccount). Input matrix has been | |
| 72 // initialized to identity already. Returns false if the layer has no transf
orm. | |
| 73 virtual bool getCurrentTransform(const GraphicsLayer*, TransformationMatrix&
) const { return false; } | |
| 74 | |
| 75 virtual bool isTrackingRepaints() const { return false; } | |
| 76 | |
| 77 virtual String debugName(const GraphicsLayer*) = 0; | |
| 78 | |
| 79 #ifndef NDEBUG | |
| 80 // CompositedLayerMapping overrides this to verify that it is not | |
| 81 // currently painting contents. An ASSERT fails, if it is. | |
| 82 // This is executed in GraphicsLayer construction and destruction | |
| 83 // to verify that we don't create or destroy GraphicsLayers | |
| 84 // while painting. | |
| 85 virtual void verifyNotPainting() { } | |
| 86 #endif | |
| 87 }; | |
| 88 | |
| 89 } // namespace WebCore | |
| 90 | |
| 91 #endif // GraphicsLayerClient_h | |
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Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk