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84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
/*
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* Copyright (C) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GraphicsLayerClient_h
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#define GraphicsLayerClient_h
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#include "platform/PlatformExport.h"
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#include "wtf/text/WTFString.h"
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namespace blink {
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class GraphicsContext;
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class GraphicsLayer;
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class IntRect;
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enum GraphicsLayerPaintingPhaseFlags {
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GraphicsLayerPaintBackground = (1 << 0),
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GraphicsLayerPaintForeground = (1 << 1),
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GraphicsLayerPaintMask = (1 << 2),
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GraphicsLayerPaintOverflowContents = (1 << 3),
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GraphicsLayerPaintCompositedScroll = (1 << 4),
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GraphicsLayerPaintChildClippingMask = (1 << 5),
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GraphicsLayerPaintAllWithOverflowClip = (GraphicsLayerPaintBackground | GraphicsLayerPaintForeground | GraphicsLayerPaintMask)
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};
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typedef unsigned GraphicsLayerPaintingPhase;
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enum {
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LayerTreeNormal = 0,
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LayerTreeIncludesDebugInfo = 1 << 0, // Dump extra debugging info like layer addresses.
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LayerTreeIncludesPaintInvalidationRects = 1 << 1,
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LayerTreeIncludesPaintingPhases = 1 << 2,
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LayerTreeIncludesRootLayer = 1 << 3,
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LayerTreeIncludesClipAndScrollParents = 1 << 4
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};
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typedef unsigned LayerTreeFlags;
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class PLATFORM_EXPORT GraphicsLayerClient {
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public:
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virtual ~GraphicsLayerClient() {}
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// Callback for when hardware-accelerated animation started.
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virtual void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime) = 0;
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virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) = 0;
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virtual bool isTrackingPaintInvalidations() const { return false; }
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virtual String debugName(const GraphicsLayer*) = 0;
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#if ENABLE(ASSERT)
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// CompositedLayerMapping overrides this to verify that it is not
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// currently painting contents. An ASSERT fails, if it is.
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// This is executed in GraphicsLayer construction and destruction
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// to verify that we don't create or destroy GraphicsLayers
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// while painting.
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virtual void verifyNotPainting() { }
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#endif
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};
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} // namespace blink
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#endif // GraphicsLayerClient_h
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