1/* 2 * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "WebRenderLayer.h" 28 29#include "APIArray.h" 30#include "APIString.h" 31#include "WebPage.h" 32#include <WebCore/Frame.h> 33#include <WebCore/FrameLoader.h> 34#include <WebCore/FrameLoaderClient.h> 35#include <WebCore/RenderLayer.h> 36#include <WebCore/RenderLayerBacking.h> 37#include <WebCore/RenderView.h> 38#include <WebCore/StyledElement.h> 39 40using namespace WebCore; 41 42namespace WebKit { 43 44PassRefPtr<WebRenderLayer> WebRenderLayer::create(WebPage* page) 45{ 46 Frame* mainFrame = page->mainFrame(); 47 if (!mainFrame) 48 return 0; 49 50 if (!mainFrame->loader().client().hasHTMLView()) 51 return 0; 52 53 RenderView* contentRenderer = mainFrame->contentRenderer(); 54 if (!contentRenderer) 55 return 0; 56 57 RenderLayer* rootLayer = contentRenderer->layer(); 58 if (!rootLayer) 59 return 0; 60 61 return adoptRef(new WebRenderLayer(rootLayer)); 62} 63 64PassRefPtr<WebRenderLayer> WebRenderLayer::create(PassRefPtr<WebRenderObject> renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type, WebCore::IntRect absoluteBoundingBox, PassRefPtr<API::Array> negativeZOrderList, PassRefPtr<API::Array> normalFlowList, PassRefPtr<API::Array> positiveZOrderList) 65{ 66 return adoptRef(new WebRenderLayer(renderer, isReflection, isClipping, isClipped, type, absoluteBoundingBox, negativeZOrderList, normalFlowList, positiveZOrderList)); 67} 68 69PassRefPtr<API::Array> WebRenderLayer::createArrayFromLayerList(Vector<RenderLayer*>* list) 70{ 71 if (!list || !list->size()) 72 return nullptr; 73 74 Vector<RefPtr<API::Object>> layers; 75 layers.reserveInitialCapacity(list->size()); 76 77 for (const auto& layer : *list) 78 layers.uncheckedAppend(adoptRef(new WebRenderLayer(layer))); 79 80 return API::Array::create(WTF::move(layers)); 81} 82 83WebRenderLayer::WebRenderLayer(RenderLayer* layer) 84{ 85 m_renderer = WebRenderObject::create(&layer->renderer()); 86 m_isReflection = layer->isReflection(); 87 88 if (layer->isComposited()) { 89 RenderLayerBacking* backing = layer->backing(); 90 m_isClipping = backing->hasClippingLayer(); 91 m_isClipped = backing->hasAncestorClippingLayer(); 92 switch (backing->compositingLayerType()) { 93 case NormalCompositingLayer: 94 m_compositingLayerType = Normal; 95 break; 96 case TiledCompositingLayer: 97 m_compositingLayerType = Tiled; 98 break; 99 case MediaCompositingLayer: 100 m_compositingLayerType = Media; 101 break; 102 case ContainerCompositingLayer: 103 m_compositingLayerType = Container; 104 break; 105 } 106 } else { 107 m_isClipping = false; 108 m_isClipped = false; 109 m_compositingLayerType = None; 110 } 111 112 m_absoluteBoundingBox = layer->absoluteBoundingBox(); 113 114 m_negativeZOrderList = createArrayFromLayerList(layer->negZOrderList()); 115 m_normalFlowList = createArrayFromLayerList(layer->normalFlowList()); 116 m_positiveZOrderList = createArrayFromLayerList(layer->posZOrderList()); 117} 118 119WebRenderLayer::WebRenderLayer(PassRefPtr<WebRenderObject> renderer, bool isReflection, bool isClipping, bool isClipped, CompositingLayerType type, WebCore::IntRect absoluteBoundingBox, PassRefPtr<API::Array> negativeZOrderList, PassRefPtr<API::Array> normalFlowList, PassRefPtr<API::Array> positiveZOrderList) 120 : m_renderer(renderer) 121 , m_isReflection(isReflection) 122 , m_isClipping(isClipping) 123 , m_isClipped(isClipped) 124 , m_compositingLayerType(type) 125 , m_absoluteBoundingBox(absoluteBoundingBox) 126 , m_negativeZOrderList(negativeZOrderList) 127 , m_normalFlowList(normalFlowList) 128 , m_positiveZOrderList(positiveZOrderList) 129{ 130} 131 132} // namespace WebKit 133