1 files changed, 163 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderFullScreen.cpp b/Source/WebCore/rendering/RenderFullScreen.cpp
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+++ b/Source/WebCore/rendering/RenderFullScreen.cpp
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``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 ITS 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.
+ */
+
+#include "config.h"
+
+#if ENABLE(FULLSCREEN_API)
+
+#include "RenderFullScreen.h"
+
+#include "RenderLayer.h"
+
+#if USE(ACCELERATED_COMPOSITING)
+#include "RenderLayerCompositor.h"
+#endif
+
+using namespace WebCore;
+
+class RenderFullScreenPlaceholder : public RenderBlock {
+public:
+    RenderFullScreenPlaceholder(RenderFullScreen* owner) 
+        : RenderBlock(owner->document())
+        , m_owner(owner) 
+    { 
+    }
+private:
+    virtual bool isRenderFullScreenPlaceholder() const { return true; }
+    virtual void willBeDestroyed();
+    RenderFullScreen* m_owner;
+};
+
+void RenderFullScreenPlaceholder::willBeDestroyed()
+{
+    m_owner->setPlaceholder(0);
+    RenderBlock::willBeDestroyed();
+}
+
+RenderFullScreen::RenderFullScreen(Node* node) 
+    : RenderDeprecatedFlexibleBox(node)
+    , m_placeholder(0)
+{ 
+    setReplaced(false); 
+}
+
+void RenderFullScreen::willBeDestroyed()
+{
+    if (m_placeholder) {
+        remove();
+        if (!m_placeholder->beingDestroyed())
+            m_placeholder->destroy();
+        ASSERT(!m_placeholder);
+    }
+
+    // RenderObjects are unretained, so notify the document (which holds a pointer to a RenderFullScreen)
+    // if it's RenderFullScreen is destroyed.
+    if (document() && document()->fullScreenRenderer() == this)
+        document()->fullScreenRendererDestroyed();
+
+    RenderDeprecatedFlexibleBox::willBeDestroyed();
+}
+
+static PassRefPtr<RenderStyle> createFullScreenStyle()
+{
+    RefPtr<RenderStyle> fullscreenStyle = RenderStyle::createDefaultStyle();
+
+    // Create a stacking context:
+    fullscreenStyle->setZIndex(INT_MAX);
+
+    fullscreenStyle->setFontDescription(FontDescription());
+    fullscreenStyle->font().update(0);
+
+    fullscreenStyle->setDisplay(BOX);
+    fullscreenStyle->setBoxPack(Center);
+    fullscreenStyle->setBoxAlign(BCENTER);
+    fullscreenStyle->setBoxOrient(VERTICAL);
+    
+    fullscreenStyle->setPosition(FixedPosition);
+    fullscreenStyle->setWidth(Length(100.0, Percent));
+    fullscreenStyle->setHeight(Length(100.0, Percent));
+    fullscreenStyle->setLeft(Length(0, WebCore::Fixed));
+    fullscreenStyle->setTop(Length(0, WebCore::Fixed));
+    
+    fullscreenStyle->setBackgroundColor(Color::black);
+    
+    return fullscreenStyle.release();
+}
+
+RenderObject* RenderFullScreen::wrapRenderer(RenderObject* object, Document* document)
+{
+    RenderFullScreen* fullscreenRenderer = new (document->renderArena()) RenderFullScreen(document);
+    fullscreenRenderer->setStyle(createFullScreenStyle());
+    if (object) {
+        if (RenderObject* parent = object->parent()) {
+            parent->addChild(fullscreenRenderer, object);
+            object->remove();
+        }
+        fullscreenRenderer->addChild(object);
+    }
+    document->setFullScreenRenderer(fullscreenRenderer);
+    if (fullscreenRenderer->placeholder())
+        return fullscreenRenderer->placeholder();
+    return fullscreenRenderer;
+}
+
+void RenderFullScreen::unwrapRenderer()
+{
+    RenderObject* holder = placeholder() ? placeholder() : this;
+    if (holder->parent()) {
+        RenderObject* child;
+        while ((child = firstChild())) {
+            child->remove();
+            holder->parent()->addChild(child, holder);
+        }
+    }
+    remove();
+    document()->setFullScreenRenderer(0);
+}
+
+void RenderFullScreen::setPlaceholder(RenderBlock* placeholder)
+{
+    m_placeholder = placeholder;
+}
+
+void RenderFullScreen::createPlaceholder(PassRefPtr<RenderStyle> style, const IntRect& frameRect)
+{
+    if (style->width().isAuto())
+        style->setWidth(Length(frameRect.width(), Fixed));
+    if (style->height().isAuto())
+        style->setHeight(Length(frameRect.height(), Fixed));
+
+    if (!m_placeholder) {
+        m_placeholder = new (document()->renderArena()) RenderFullScreenPlaceholder(this);
+        m_placeholder->setStyle(style);
+        if (parent()) {
+            parent()->addChild(m_placeholder, this);
+            remove();
+        }
+        m_placeholder->addChild(this);
+    } else
+        m_placeholder->setStyle(style);
+}
+
+#endif