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| 1 /* | |
| 2 * Copyright (C) 2011 Google 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 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 | |
| 28 #include "NonCompositedContentHost.h" | |
| 29 | |
| 30 #include "FloatPoint.h" | |
| 31 #include "FloatRect.h" | |
| 32 #include "GraphicsLayer.h" | |
| 33 #include "GraphicsLayerChromium.h" | |
| 34 #include "PlatformContextSkia.h" | |
| 35 #include "Settings.h" | |
| 36 #include "WebViewImpl.h" | |
| 37 #include <public/WebContentLayer.h> | |
| 38 #include <public/WebFloatPoint.h> | |
| 39 | |
| 40 namespace WebKit { | |
| 41 | |
| 42 NonCompositedContentHost::NonCompositedContentHost(WebViewImpl* webView, WebCore
::GraphicsLayerFactory* graphicsLayerFactory) | |
| 43 : m_webView(webView) | |
| 44 , m_showDebugBorders(false) | |
| 45 { | |
| 46 m_graphicsLayer = WebCore::GraphicsLayer::create(graphicsLayerFactory, this)
; | |
| 47 #ifndef NDEBUG | |
| 48 m_graphicsLayer->setName("non-composited content"); | |
| 49 #endif | |
| 50 m_graphicsLayer->setDrawsContent(true); | |
| 51 m_graphicsLayer->setContentsOpaque(true); | |
| 52 // FIXME: Remove LCD text setting after it is implemented in chromium. | |
| 53 WebContentLayer* layer = static_cast<WebCore::GraphicsLayerChromium*>(m_grap
hicsLayer.get())->contentLayer(); | |
| 54 layer->setUseLCDText(true); | |
| 55 #if !OS(ANDROID) | |
| 56 layer->setDrawCheckerboardForMissingTiles(true); | |
| 57 #endif | |
| 58 } | |
| 59 | |
| 60 NonCompositedContentHost::~NonCompositedContentHost() | |
| 61 { | |
| 62 } | |
| 63 | |
| 64 WebCore::Color NonCompositedContentHost::backgroundColor() const { | |
| 65 return m_graphicsLayer->platformLayer()->backgroundColor(); | |
| 66 } | |
| 67 | |
| 68 void NonCompositedContentHost::setBackgroundColor(const WebCore::Color& color) | |
| 69 { | |
| 70 m_graphicsLayer->platformLayer()->setBackgroundColor(color.rgb()); | |
| 71 } | |
| 72 | |
| 73 void NonCompositedContentHost::setOpaque(bool opaque) | |
| 74 { | |
| 75 m_graphicsLayer->setContentsOpaque(opaque); | |
| 76 } | |
| 77 | |
| 78 void NonCompositedContentHost::setScrollLayer(WebCore::GraphicsLayer* layer) | |
| 79 { | |
| 80 m_graphicsLayer->setNeedsDisplay(); | |
| 81 | |
| 82 if (!layer) { | |
| 83 m_graphicsLayer->removeFromParent(); | |
| 84 return; | |
| 85 } | |
| 86 | |
| 87 if (layer->platformLayer() == scrollLayer()) | |
| 88 return; | |
| 89 | |
| 90 layer->addChildAtIndex(m_graphicsLayer.get(), 0); | |
| 91 ASSERT(haveScrollLayer()); | |
| 92 } | |
| 93 | |
| 94 void NonCompositedContentHost::setViewport(const WebCore::IntSize& viewportSize,
const WebCore::IntSize& contentsSize, const WebCore::IntPoint& scrollPosition,
const WebCore::IntPoint& scrollOrigin) | |
| 95 { | |
| 96 if (!haveScrollLayer()) | |
| 97 return; | |
| 98 | |
| 99 bool visibleRectChanged = m_viewportSize != viewportSize; | |
| 100 | |
| 101 m_viewportSize = viewportSize; | |
| 102 WebLayer* layer = scrollLayer(); | |
| 103 layer->setScrollPosition(scrollPosition + scrollOrigin); | |
| 104 layer->setPosition(WebFloatPoint(-scrollPosition)); | |
| 105 // Due to the possibility of pinch zoom, the noncomposited layer is always | |
| 106 // assumed to be scrollable. | |
| 107 layer->setScrollable(true); | |
| 108 m_graphicsLayer->setSize(contentsSize); | |
| 109 | |
| 110 // In RTL-style pages, the origin of the initial containing block for the | |
| 111 // root layer may be positive; translate the layer to avoid negative | |
| 112 // coordinates. | |
| 113 m_layerAdjust = -toIntSize(scrollOrigin); | |
| 114 if (m_graphicsLayer->transform().m41() != m_layerAdjust.width() || m_graphic
sLayer->transform().m42() != m_layerAdjust.height()) { | |
| 115 WebCore::TransformationMatrix transform = m_graphicsLayer->transform(); | |
| 116 transform.setM41(m_layerAdjust.width()); | |
| 117 transform.setM42(m_layerAdjust.height()); | |
| 118 m_graphicsLayer->setTransform(transform); | |
| 119 | |
| 120 // If a tiled layer is shifted left or right, the content that goes into | |
| 121 // each tile will change. Invalidate the entire layer when this happens. | |
| 122 m_graphicsLayer->setNeedsDisplay(); | |
| 123 } else if (visibleRectChanged) | |
| 124 m_graphicsLayer->setNeedsDisplay(); | |
| 125 } | |
| 126 | |
| 127 bool NonCompositedContentHost::haveScrollLayer() | |
| 128 { | |
| 129 return m_graphicsLayer->parent(); | |
| 130 } | |
| 131 | |
| 132 WebLayer* NonCompositedContentHost::scrollLayer() | |
| 133 { | |
| 134 if (!m_graphicsLayer->parent()) | |
| 135 return 0; | |
| 136 return m_graphicsLayer->parent()->platformLayer(); | |
| 137 } | |
| 138 | |
| 139 void NonCompositedContentHost::invalidateRect(const WebCore::IntRect& rect) | |
| 140 { | |
| 141 WebCore::IntRect layerRect = rect; | |
| 142 layerRect.move(-m_layerAdjust); | |
| 143 m_graphicsLayer->setNeedsDisplayInRect(WebCore::FloatRect(layerRect)); | |
| 144 } | |
| 145 | |
| 146 void NonCompositedContentHost::notifyAnimationStarted(const WebCore::GraphicsLay
er*, double /* time */) | |
| 147 { | |
| 148 // Intentionally left empty since we don't support animations on the non-com
posited content. | |
| 149 } | |
| 150 | |
| 151 void NonCompositedContentHost::paintContents(const WebCore::GraphicsLayer*, WebC
ore::GraphicsContext& context, WebCore::GraphicsLayerPaintingPhase, const WebCor
e::IntRect& clipRect) | |
| 152 { | |
| 153 context.translate(-m_layerAdjust); | |
| 154 WebCore::IntRect adjustedClipRect = clipRect; | |
| 155 adjustedClipRect.move(m_layerAdjust); | |
| 156 m_webView->paintRootLayer(context, adjustedClipRect); | |
| 157 } | |
| 158 | |
| 159 void NonCompositedContentHost::setShowDebugBorders(bool showDebugBorders) | |
| 160 { | |
| 161 m_showDebugBorders = showDebugBorders; | |
| 162 m_graphicsLayer->updateDebugIndicators(); | |
| 163 } | |
| 164 | |
| 165 bool NonCompositedContentHost::isTrackingRepaints() const | |
| 166 { | |
| 167 return m_webView->isTrackingRepaints(); | |
| 168 } | |
| 169 | |
| 170 } // namespace WebKit | |
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Chromium Code Reviews
Issue 13959008:
Remove NonCompositedContentHost (Closed)
Base URL: svn://svn.chromium.org/blink/trunk