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