| /* |
| * Copyright (C) 2011 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 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. |
| */ |
| |
| #pragma once |
| |
| #include "GraphicsLayer.h" |
| |
| namespace WebCore { |
| |
| class FloatRect; |
| class GraphicsContext; |
| class PlatformCALayer; |
| |
| class PlatformCALayerClient { |
| public: |
| virtual void platformCALayerLayoutSublayersOfLayer(PlatformCALayer*) { } |
| virtual bool platformCALayerRespondsToLayoutChanges() const { return false; } |
| |
| virtual void platformCALayerCustomSublayersChanged(PlatformCALayer*) { } |
| |
| virtual void platformCALayerAnimationStarted(const String& /*animationKey*/, MonotonicTime) { } |
| virtual void platformCALayerAnimationEnded(const String& /*animationKey*/) { } |
| virtual GraphicsLayer::CompositingCoordinatesOrientation platformCALayerContentsOrientation() const { return GraphicsLayer::CompositingCoordinatesOrientation::TopDown; } |
| virtual void platformCALayerPaintContents(PlatformCALayer*, GraphicsContext&, const FloatRect& inClip, GraphicsLayerPaintBehavior) = 0; |
| virtual bool platformCALayerShowDebugBorders() const { return false; } |
| virtual bool platformCALayerShowRepaintCounter(PlatformCALayer*) const { return false; } |
| virtual int platformCALayerRepaintCount(PlatformCALayer*) const { return 0; } |
| virtual int platformCALayerIncrementRepaintCount(PlatformCALayer*) { return 0; } |
| |
| virtual bool platformCALayerContentsOpaque() const = 0; |
| virtual bool platformCALayerDrawsContent() const = 0; |
| virtual void platformCALayerLayerDidDisplay(PlatformCALayer*) { } |
| |
| virtual void platformCALayerSetNeedsToRevalidateTiles() { } |
| virtual float platformCALayerDeviceScaleFactor() const = 0; |
| virtual float platformCALayerContentsScaleMultiplierForNewTiles(PlatformCALayer*) const { return 1; } |
| |
| virtual bool platformCALayerShouldAggressivelyRetainTiles(PlatformCALayer*) const { return false; } |
| virtual bool platformCALayerShouldTemporarilyRetainTileCohorts(PlatformCALayer*) const { return true; } |
| |
| virtual bool platformCALayerUseGiantTiles() const { return false; } |
| |
| virtual bool isCommittingChanges() const { return false; } |
| |
| virtual bool isUsingDisplayListDrawing(PlatformCALayer*) const { return false; } |
| |
| virtual void platformCALayerLogFilledVisibleFreshTile(unsigned /* blankPixelCount */) { } |
| |
| protected: |
| virtual ~PlatformCALayerClient() = default; |
| }; |
| |
| } |
| |