152 lines
6.1 KiB
C++
152 lines
6.1 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 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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#pragma once
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#include "LayerTreeAsTextOptions.h"
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#include "TiledBacking.h"
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#include "TransformationMatrix.h"
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#include <wtf/Forward.h>
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#include <wtf/OptionSet.h>
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namespace WebCore {
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class FloatPoint;
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class FloatRect;
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class GraphicsContext;
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class GraphicsLayer;
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class IntPoint;
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class IntRect;
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enum class GraphicsLayerPaintingPhase {
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Background = 1 << 0,
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Foreground = 1 << 1,
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Mask = 1 << 2,
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ClipPath = 1 << 3,
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OverflowContents = 1 << 4,
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CompositedScroll = 1 << 5,
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ChildClippingMask = 1 << 6,
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};
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enum AnimatedPropertyID {
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AnimatedPropertyInvalid,
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AnimatedPropertyTranslate,
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AnimatedPropertyScale,
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AnimatedPropertyRotate,
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AnimatedPropertyTransform,
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AnimatedPropertyOpacity,
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AnimatedPropertyBackgroundColor,
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AnimatedPropertyFilter,
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#if ENABLE(FILTERS_LEVEL_2)
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AnimatedPropertyWebkitBackdropFilter,
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#endif
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};
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inline bool animatedPropertyIsTransformOrRelated(AnimatedPropertyID property)
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{
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return property == AnimatedPropertyTransform || property == AnimatedPropertyTranslate || property == AnimatedPropertyScale || property == AnimatedPropertyRotate;
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}
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enum class PlatformLayerTreeAsTextFlags : uint8_t {
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Debug = 1 << 0,
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IgnoreChildren = 1 << 1,
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IncludeModels = 1 << 2,
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};
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enum GraphicsLayerPaintFlags {
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GraphicsLayerPaintNormal = 0,
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GraphicsLayerPaintSnapshotting = 1 << 0,
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GraphicsLayerPaintFirstTilePaint = 1 << 1,
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};
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typedef unsigned GraphicsLayerPaintBehavior;
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class GraphicsLayerClient {
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public:
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virtual ~GraphicsLayerClient() = default;
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virtual void tiledBackingUsageChanged(const GraphicsLayer*, bool /*usingTiledBacking*/) { }
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// Callback for when hardware-accelerated animation started.
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virtual void notifyAnimationStarted(const GraphicsLayer*, const String& /*animationKey*/, MonotonicTime /*time*/) { }
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virtual void notifyAnimationEnded(const GraphicsLayer*, const String& /*animationKey*/) { }
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// Notification that a layer property changed that requires a subsequent call to flushCompositingState()
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// to appear on the screen.
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virtual void notifyFlushRequired(const GraphicsLayer*) { }
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// Notification that this layer requires a flush before the next display refresh.
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virtual void notifyFlushBeforeDisplayRefresh(const GraphicsLayer*) { }
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virtual void paintContents(const GraphicsLayer*, GraphicsContext&, const FloatRect& /* inClip */, GraphicsLayerPaintBehavior) { }
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virtual void didChangePlatformLayerForLayer(const GraphicsLayer*) { }
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// Provides current transform (taking transform-origin and animations into account). Input matrix has been
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// initialized to identity already. Returns false if the layer has no transform.
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virtual bool getCurrentTransform(const GraphicsLayer*, TransformationMatrix&) const { return false; }
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// Allows the client to modify a layer position used during the visibleRect calculation, for example to ignore
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// scroll overhang.
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virtual void customPositionForVisibleRectComputation(const GraphicsLayer*, FloatPoint&) const { }
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// Multiplier for backing store size, related to high DPI.
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virtual float deviceScaleFactor() const { return 1; }
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// Page scale factor.
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virtual float pageScaleFactor() const { return 1; }
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virtual float zoomedOutPageScaleFactor() const { return 0; }
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virtual float contentsScaleMultiplierForNewTiles(const GraphicsLayer*) const { return 1; }
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virtual bool paintsOpaquelyAtNonIntegralScales(const GraphicsLayer*) const { return false; }
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virtual bool isTrackingRepaints() const { return false; }
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virtual bool shouldSkipLayerInDump(const GraphicsLayer*, OptionSet<LayerTreeAsTextOptions>) const { return false; }
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virtual bool shouldDumpPropertyForLayer(const GraphicsLayer*, const char*, OptionSet<LayerTreeAsTextOptions>) const { return true; }
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virtual bool shouldAggressivelyRetainTiles(const GraphicsLayer*) const { return false; }
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virtual bool shouldTemporarilyRetainTileCohorts(const GraphicsLayer*) const { return true; }
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virtual bool useGiantTiles() const { return false; }
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virtual bool needsPixelAligment() const { return false; }
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virtual bool needsIOSDumpRenderTreeMainFrameRenderViewLayerIsAlwaysOpaqueHack(const GraphicsLayer&) const { return false; }
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virtual void logFilledVisibleFreshTile(unsigned) { };
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virtual TransformationMatrix transformMatrixForProperty(AnimatedPropertyID) const { return { }; }
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#ifndef NDEBUG
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// RenderLayerBacking 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 WebCore
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