Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 309 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderEmbeddedObject.cpp b/Source/WebCore/rendering/RenderEmbeddedObject.cpp
new file mode 100644
index 0000000..fa31ddf
--- /dev/null
+++ b/Source/WebCore/rendering/RenderEmbeddedObject.cpp
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Simon Hausmann <hausmann@kde.org>
+ *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
+ * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "RenderEmbeddedObject.h"
+
+#include "Chrome.h"
+#include "ChromeClient.h"
+#include "CSSValueKeywords.h"
+#include "Font.h"
+#include "FontSelector.h"
+#include "Frame.h"
+#include "FrameLoaderClient.h"
+#include "GraphicsContext.h"
+#include "HTMLEmbedElement.h"
+#include "HTMLIFrameElement.h"
+#include "HTMLNames.h"
+#include "HTMLObjectElement.h"
+#include "HTMLParamElement.h"
+#include "LocalizedStrings.h"
+#include "MIMETypeRegistry.h"
+#include "MouseEvent.h"
+#include "Page.h"
+#include "Path.h"
+#include "PluginViewBase.h"
+#include "RenderTheme.h"
+#include "RenderView.h"
+#include "RenderWidgetProtector.h"
+#include "Settings.h"
+#include "Text.h"
+
+#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
+#include "HTMLVideoElement.h"
+#endif
+
+namespace WebCore {
+
+using namespace HTMLNames;
+    
+static const float replacementTextRoundedRectHeight = 18;
+static const float replacementTextRoundedRectLeftRightTextMargin = 6;
+static const float replacementTextRoundedRectOpacity = 0.20f;
+static const float replacementTextPressedRoundedRectOpacity = 0.65f;
+static const float replacementTextRoundedRectRadius = 5;
+static const float replacementTextTextOpacity = 0.55f;
+static const float replacementTextPressedTextOpacity = 0.65f;
+
+static const Color& replacementTextRoundedRectPressedColor()
+{
+    static const Color lightGray(205, 205, 205);
+    return lightGray;
+}
+    
+RenderEmbeddedObject::RenderEmbeddedObject(Element* element)
+    : RenderPart(element)
+    , m_hasFallbackContent(false)
+    , m_showsMissingPluginIndicator(false)
+    , m_missingPluginIndicatorIsPressed(false)
+    , m_mouseDownWasInMissingPluginIndicator(false)
+{
+    view()->frameView()->setIsVisuallyNonEmpty();
+#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
+    if (element->hasTagName(videoTag) || element->hasTagName(audioTag))
+        setHasIntrinsicSize();
+#endif
+}
+
+RenderEmbeddedObject::~RenderEmbeddedObject()
+{
+    if (frameView())
+        frameView()->removeWidgetToUpdate(this);
+}
+
+#if USE(ACCELERATED_COMPOSITING)
+bool RenderEmbeddedObject::requiresLayer() const
+{
+    if (RenderPart::requiresLayer())
+        return true;
+    
+    return allowsAcceleratedCompositing();
+}
+
+bool RenderEmbeddedObject::allowsAcceleratedCompositing() const
+{
+    return widget() && widget()->isPluginViewBase() && static_cast<PluginViewBase*>(widget())->platformLayer();
+}
+#endif
+
+void RenderEmbeddedObject::setShowsMissingPluginIndicator()
+{
+    ASSERT(m_replacementText.isEmpty());
+    m_replacementText = missingPluginText();
+    m_showsMissingPluginIndicator = true;
+}
+
+void RenderEmbeddedObject::setShowsCrashedPluginIndicator()
+{
+    ASSERT(m_replacementText.isEmpty());
+    m_replacementText = crashedPluginText();
+}
+
+bool RenderEmbeddedObject::pluginCrashedOrWasMissing() const
+{
+    return !m_replacementText.isNull();
+}
+    
+void RenderEmbeddedObject::setMissingPluginIndicatorIsPressed(bool pressed)
+{
+    if (m_missingPluginIndicatorIsPressed == pressed)
+        return;
+    
+    m_missingPluginIndicatorIsPressed = pressed;
+    repaint();
+}
+
+void RenderEmbeddedObject::paint(PaintInfo& paintInfo, int tx, int ty)
+{
+    if (pluginCrashedOrWasMissing()) {
+        RenderReplaced::paint(paintInfo, tx, ty);
+        return;
+    }
+    
+    RenderPart::paint(paintInfo, tx, ty);
+}
+
+void RenderEmbeddedObject::paintReplaced(PaintInfo& paintInfo, int tx, int ty)
+{
+    if (!pluginCrashedOrWasMissing())
+        return;
+
+    if (paintInfo.phase == PaintPhaseSelection)
+        return;
+    
+    GraphicsContext* context = paintInfo.context;
+    if (context->paintingDisabled())
+        return;
+    
+    FloatRect contentRect;
+    Path path;
+    FloatRect replacementTextRect;
+    Font font;
+    TextRun run("");
+    float textWidth;
+    if (!getReplacementTextGeometry(tx, ty, contentRect, path, replacementTextRect, font, run, textWidth))
+        return;
+    
+    context->save();
+    context->clip(contentRect);
+    context->setAlpha(m_missingPluginIndicatorIsPressed ? replacementTextPressedRoundedRectOpacity : replacementTextRoundedRectOpacity);
+    context->setFillColor(m_missingPluginIndicatorIsPressed ? replacementTextRoundedRectPressedColor() : Color::white, style()->colorSpace());
+    context->fillPath(path);
+
+    float labelX = roundf(replacementTextRect.location().x() + (replacementTextRect.size().width() - textWidth) / 2);
+    float labelY = roundf(replacementTextRect.location().y() + (replacementTextRect.size().height() - font.height()) / 2 + font.ascent());
+    context->setAlpha(m_missingPluginIndicatorIsPressed ? replacementTextPressedTextOpacity : replacementTextTextOpacity);
+    context->setFillColor(Color::black, style()->colorSpace());
+    context->drawBidiText(font, run, FloatPoint(labelX, labelY));
+    context->restore();
+}
+
+bool RenderEmbeddedObject::getReplacementTextGeometry(int tx, int ty, FloatRect& contentRect, Path& path, FloatRect& replacementTextRect, Font& font, TextRun& run, float& textWidth)
+{
+    contentRect = contentBoxRect();
+    contentRect.move(tx, ty);
+    
+    FontDescription fontDescription;
+    RenderTheme::defaultTheme()->systemFont(CSSValueWebkitSmallControl, fontDescription);
+    fontDescription.setWeight(FontWeightBold);
+    Settings* settings = document()->settings();
+    ASSERT(settings);
+    if (!settings)
+        return false;
+    fontDescription.setRenderingMode(settings->fontRenderingMode());
+    fontDescription.setComputedSize(fontDescription.specifiedSize());
+    font = Font(fontDescription, 0, 0);
+    font.update(0);
+    
+    run = TextRun(m_replacementText.characters(), m_replacementText.length());
+    run.disableRoundingHacks();
+    textWidth = font.floatWidth(run);
+    
+    replacementTextRect.setSize(FloatSize(textWidth + replacementTextRoundedRectLeftRightTextMargin * 2, replacementTextRoundedRectHeight));
+    float x = (contentRect.size().width() / 2 - replacementTextRect.size().width() / 2) + contentRect.location().x();
+    float y = (contentRect.size().height() / 2 - replacementTextRect.size().height() / 2) + contentRect.location().y();
+    replacementTextRect.setLocation(FloatPoint(x, y));
+    
+    path.addRoundedRect(replacementTextRect, FloatSize(replacementTextRoundedRectRadius, replacementTextRoundedRectRadius));
+
+    return true;
+}
+
+void RenderEmbeddedObject::layout()
+{
+    ASSERT(needsLayout());
+
+    computeLogicalWidth();
+    computeLogicalHeight();
+
+    RenderPart::layout();
+
+    m_overflow.clear();
+    addShadowOverflow();
+
+    updateLayerTransform();
+
+    if (!widget() && frameView())
+        frameView()->addWidgetToUpdate(this);
+
+    setNeedsLayout(false);
+}
+
+void RenderEmbeddedObject::viewCleared()
+{
+    // This is required for <object> elements whose contents are rendered by WebCore (e.g. src="foo.html").
+    if (node() && widget() && widget()->isFrameView()) {
+        FrameView* view = static_cast<FrameView*>(widget());
+        int marginWidth = -1;
+        int marginHeight = -1;
+        if (node()->hasTagName(iframeTag)) {
+            HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(node());
+            marginWidth = frame->marginWidth();
+            marginHeight = frame->marginHeight();
+        }
+        if (marginWidth != -1)
+            view->setMarginWidth(marginWidth);
+        if (marginHeight != -1)
+            view->setMarginHeight(marginHeight);
+    }
+}
+ 
+bool RenderEmbeddedObject::isInMissingPluginIndicator(MouseEvent* event)
+{
+    FloatRect contentRect;
+    Path path;
+    FloatRect replacementTextRect;
+    Font font;
+    TextRun run("");
+    float textWidth;
+    if (!getReplacementTextGeometry(0, 0, contentRect, path, replacementTextRect, font, run, textWidth))
+        return false;
+    
+    return path.contains(absoluteToLocal(event->absoluteLocation(), false, true));
+}
+
+void RenderEmbeddedObject::handleMissingPluginIndicatorEvent(Event* event)
+{
+    if (Page* page = document()->page()) {
+        if (!page->chrome()->client()->shouldMissingPluginMessageBeButton())
+            return;
+    }
+    
+    if (!event->isMouseEvent())
+        return;
+    
+    MouseEvent* mouseEvent = static_cast<MouseEvent*>(event);
+    HTMLPlugInElement* element = static_cast<HTMLPlugInElement*>(node());
+    if (event->type() == eventNames().mousedownEvent && static_cast<MouseEvent*>(event)->button() == LeftButton) {
+        m_mouseDownWasInMissingPluginIndicator = isInMissingPluginIndicator(mouseEvent);
+        if (m_mouseDownWasInMissingPluginIndicator) {
+            if (Frame* frame = document()->frame()) {
+                frame->eventHandler()->setCapturingMouseEventsNode(element);
+                element->setIsCapturingMouseEvents(true);
+            }
+            setMissingPluginIndicatorIsPressed(true);
+        }
+        event->setDefaultHandled();
+    }        
+    if (event->type() == eventNames().mouseupEvent && static_cast<MouseEvent*>(event)->button() == LeftButton) {
+        if (m_missingPluginIndicatorIsPressed) {
+            if (Frame* frame = document()->frame()) {
+                frame->eventHandler()->setCapturingMouseEventsNode(0);
+                element->setIsCapturingMouseEvents(false);
+            }
+            setMissingPluginIndicatorIsPressed(false);
+        }
+        if (m_mouseDownWasInMissingPluginIndicator && isInMissingPluginIndicator(mouseEvent)) {
+            if (Page* page = document()->page())
+                page->chrome()->client()->missingPluginButtonClicked(element);            
+        }
+        m_mouseDownWasInMissingPluginIndicator = false;
+        event->setDefaultHandled();
+    }
+    if (event->type() == eventNames().mousemoveEvent) {
+        setMissingPluginIndicatorIsPressed(m_mouseDownWasInMissingPluginIndicator && isInMissingPluginIndicator(mouseEvent));
+        event->setDefaultHandled();
+    }
+}
+
+}