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| 1 /* | |
| 2 * Copyright (C) 2010 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'' AND AN
Y | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #include "config.h" | |
| 26 #include "core/rendering/RenderFullScreen.h" | |
| 27 | |
| 28 #include "core/dom/Fullscreen.h" | |
| 29 #include "core/frame/FrameHost.h" | |
| 30 #include "core/frame/Settings.h" | |
| 31 #include "core/page/Chrome.h" | |
| 32 #include "core/page/Page.h" | |
| 33 #include "core/rendering/RenderBlockFlow.h" | |
| 34 | |
| 35 #include "public/platform/WebScreenInfo.h" | |
| 36 | |
| 37 using namespace blink; | |
| 38 | |
| 39 class RenderFullScreenPlaceholder final : public RenderBlockFlow { | |
| 40 public: | |
| 41 RenderFullScreenPlaceholder(RenderFullScreen* owner) | |
| 42 : RenderBlockFlow(0) | |
| 43 , m_owner(owner) | |
| 44 { | |
| 45 setDocumentForAnonymous(&owner->document()); | |
| 46 } | |
| 47 private: | |
| 48 virtual bool isOfType(RenderObjectType type) const override { return type ==
RenderObjectRenderFullScreenPlaceholder || RenderBlockFlow::isOfType(type); } | |
| 49 virtual void willBeDestroyed() override; | |
| 50 RenderFullScreen* m_owner; | |
| 51 }; | |
| 52 | |
| 53 void RenderFullScreenPlaceholder::willBeDestroyed() | |
| 54 { | |
| 55 m_owner->setPlaceholder(0); | |
| 56 RenderBlockFlow::willBeDestroyed(); | |
| 57 } | |
| 58 | |
| 59 RenderFullScreen::RenderFullScreen() | |
| 60 : RenderFlexibleBox(0) | |
| 61 , m_placeholder(nullptr) | |
| 62 { | |
| 63 setReplaced(false); | |
| 64 } | |
| 65 | |
| 66 RenderFullScreen* RenderFullScreen::createAnonymous(Document* document) | |
| 67 { | |
| 68 RenderFullScreen* renderer = new RenderFullScreen(); | |
| 69 renderer->setDocumentForAnonymous(document); | |
| 70 return renderer; | |
| 71 } | |
| 72 | |
| 73 void RenderFullScreen::trace(Visitor* visitor) | |
| 74 { | |
| 75 visitor->trace(m_placeholder); | |
| 76 RenderFlexibleBox::trace(visitor); | |
| 77 } | |
| 78 | |
| 79 void RenderFullScreen::willBeDestroyed() | |
| 80 { | |
| 81 if (m_placeholder) { | |
| 82 remove(); | |
| 83 if (!m_placeholder->beingDestroyed()) | |
| 84 m_placeholder->destroy(); | |
| 85 ASSERT(!m_placeholder); | |
| 86 } | |
| 87 | |
| 88 // RenderObjects are unretained, so notify the document (which holds a point
er to a RenderFullScreen) | |
| 89 // if its RenderFullScreen is destroyed. | |
| 90 Fullscreen& fullscreen = Fullscreen::from(document()); | |
| 91 if (fullscreen.fullScreenRenderer() == this) | |
| 92 fullscreen.fullScreenRendererDestroyed(); | |
| 93 | |
| 94 RenderFlexibleBox::willBeDestroyed(); | |
| 95 } | |
| 96 | |
| 97 void RenderFullScreen::updateStyle() | |
| 98 { | |
| 99 RefPtr<RenderStyle> fullscreenStyle = RenderStyle::createDefaultStyle(); | |
| 100 | |
| 101 // Create a stacking context: | |
| 102 fullscreenStyle->setZIndex(INT_MAX); | |
| 103 | |
| 104 fullscreenStyle->setFontDescription(FontDescription()); | |
| 105 fullscreenStyle->font().update(nullptr); | |
| 106 | |
| 107 fullscreenStyle->setDisplay(FLEX); | |
| 108 fullscreenStyle->setJustifyContent(ContentPositionCenter); | |
| 109 fullscreenStyle->setAlignItems(ItemPositionCenter); | |
| 110 fullscreenStyle->setFlexDirection(FlowColumn); | |
| 111 | |
| 112 fullscreenStyle->setPosition(FixedPosition); | |
| 113 fullscreenStyle->setLeft(Length(0, blink::Fixed)); | |
| 114 fullscreenStyle->setTop(Length(0, blink::Fixed)); | |
| 115 if (document().page()->settings().pinchVirtualViewportEnabled()) { | |
| 116 IntSize viewportSize = document().page()->frameHost().pinchViewport().si
ze(); | |
| 117 fullscreenStyle->setWidth(Length(viewportSize.width(), blink::Fixed)); | |
| 118 fullscreenStyle->setHeight(Length(viewportSize.height(), blink::Fixed)); | |
| 119 } else { | |
| 120 fullscreenStyle->setWidth(Length(100.0, Percent)); | |
| 121 fullscreenStyle->setHeight(Length(100.0, Percent)); | |
| 122 } | |
| 123 | |
| 124 fullscreenStyle->setBackgroundColor(StyleColor(Color::black)); | |
| 125 | |
| 126 setStyle(fullscreenStyle); | |
| 127 } | |
| 128 | |
| 129 RenderObject* RenderFullScreen::wrapRenderer(RenderObject* object, RenderObject*
parent, Document* document) | |
| 130 { | |
| 131 // FIXME: We should not modify the structure of the render tree during | |
| 132 // layout. crbug.com/370459 | |
| 133 DeprecatedDisableModifyRenderTreeStructureAsserts disabler; | |
| 134 | |
| 135 RenderFullScreen* fullscreenRenderer = RenderFullScreen::createAnonymous(doc
ument); | |
| 136 fullscreenRenderer->updateStyle(); | |
| 137 if (parent && !parent->isChildAllowed(fullscreenRenderer, fullscreenRenderer
->style())) { | |
| 138 fullscreenRenderer->destroy(); | |
| 139 return 0; | |
| 140 } | |
| 141 if (object) { | |
| 142 // |object->parent()| can be null if the object is not yet attached | |
| 143 // to |parent|. | |
| 144 if (RenderObject* parent = object->parent()) { | |
| 145 RenderBlock* containingBlock = object->containingBlock(); | |
| 146 ASSERT(containingBlock); | |
| 147 // Since we are moving the |object| to a new parent |fullscreenRende
rer|, | |
| 148 // the line box tree underneath our |containingBlock| is not longer
valid. | |
| 149 containingBlock->deleteLineBoxTree(); | |
| 150 | |
| 151 parent->addChild(fullscreenRenderer, object); | |
| 152 object->remove(); | |
| 153 | |
| 154 // Always just do a full layout to ensure that line boxes get delete
d properly. | |
| 155 // Because objects moved from |parent| to |fullscreenRenderer|, we w
ant to | |
| 156 // make new line boxes instead of leaving the old ones around. | |
| 157 parent->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(); | |
| 158 containingBlock->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvali
dation(); | |
| 159 } | |
| 160 fullscreenRenderer->addChild(object); | |
| 161 fullscreenRenderer->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalid
ation(); | |
| 162 } | |
| 163 | |
| 164 ASSERT(document); | |
| 165 Fullscreen::from(*document).setFullScreenRenderer(fullscreenRenderer); | |
| 166 return fullscreenRenderer; | |
| 167 } | |
| 168 | |
| 169 void RenderFullScreen::unwrapRenderer() | |
| 170 { | |
| 171 // FIXME: We should not modify the structure of the render tree during | |
| 172 // layout. crbug.com/370459 | |
| 173 DeprecatedDisableModifyRenderTreeStructureAsserts disabler; | |
| 174 | |
| 175 if (parent()) { | |
| 176 for (RenderObject* child = firstChild(); child; child = firstChild()) { | |
| 177 // We have to clear the override size, because as a flexbox, we | |
| 178 // may have set one on the child, and we don't want to leave that | |
| 179 // lying around on the child. | |
| 180 if (child->isBox()) | |
| 181 toRenderBox(child)->clearOverrideSize(); | |
| 182 child->remove(); | |
| 183 parent()->addChild(child, this); | |
| 184 parent()->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(
); | |
| 185 } | |
| 186 } | |
| 187 if (placeholder()) | |
| 188 placeholder()->remove(); | |
| 189 remove(); | |
| 190 destroy(); | |
| 191 } | |
| 192 | |
| 193 void RenderFullScreen::setPlaceholder(RenderBlock* placeholder) | |
| 194 { | |
| 195 m_placeholder = placeholder; | |
| 196 } | |
| 197 | |
| 198 void RenderFullScreen::createPlaceholder(PassRefPtr<RenderStyle> style, const La
youtRect& frameRect) | |
| 199 { | |
| 200 if (style->width().isAuto()) | |
| 201 style->setWidth(Length(frameRect.width(), Fixed)); | |
| 202 if (style->height().isAuto()) | |
| 203 style->setHeight(Length(frameRect.height(), Fixed)); | |
| 204 | |
| 205 if (!m_placeholder) { | |
| 206 m_placeholder = new RenderFullScreenPlaceholder(this); | |
| 207 m_placeholder->setStyle(style); | |
| 208 if (parent()) { | |
| 209 parent()->addChild(m_placeholder, this); | |
| 210 parent()->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(
); | |
| 211 } | |
| 212 } else | |
| 213 m_placeholder->setStyle(style); | |
| 214 } | |
| OLD | NEW |
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Chromium Code Reviews
Issue 788073004:
Replace RenderFullscreen with top layer - Take II (Closed)
Base URL: svn://svn.chromium.org/blink/trunk