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/*
* 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 "core/layout/LayoutEmbeddedObject.h"
#include "core/CSSValueKeywords.h"
#include "core/HTMLNames.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "core/html/HTMLIFrameElement.h"
#include "core/html/HTMLPlugInElement.h"
#include "core/layout/LayoutAnalyzer.h"
#include "core/layout/LayoutView.h"
#include "core/page/Page.h"
#include "core/paint/EmbeddedObjectPaintInvalidator.h"
#include "core/paint/EmbeddedObjectPainter.h"
#include "core/plugins/PluginView.h"
#include "platform/text/PlatformLocale.h"
namespace blink {
using namespace HTMLNames;
LayoutEmbeddedObject::LayoutEmbeddedObject(Element* element)
: LayoutPart(element) {
view()->frameView()->setIsVisuallyNonEmpty();
}
LayoutEmbeddedObject::~LayoutEmbeddedObject() {}
PaintLayerType LayoutEmbeddedObject::layerTypeRequired() const {
// This can't just use LayoutPart::layerTypeRequired, because
// PaintLayerCompositor doesn't loop through LayoutEmbeddedObjects the way it
// does frames in order to update the self painting bit on their Layer.
// Also, unlike iframes, embeds don't used the usesCompositing bit on
// LayoutView in requiresAcceleratedCompositing.
if (requiresAcceleratedCompositing())
return NormalPaintLayer;
return LayoutPart::layerTypeRequired();
}
static String localizedUnavailablePluginReplacementText(
Node* node,
LayoutEmbeddedObject::PluginAvailability availability) {
Locale& locale = node ? toElement(node)->locale() : Locale::defaultLocale();
switch (availability) {
case LayoutEmbeddedObject::PluginAvailable:
break;
case LayoutEmbeddedObject::PluginMissing:
return locale.queryString(WebLocalizedString::MissingPluginText);
case LayoutEmbeddedObject::PluginBlockedByContentSecurityPolicy:
return locale.queryString(WebLocalizedString::BlockedPluginText);
}
NOTREACHED();
return String();
}
void LayoutEmbeddedObject::setPluginAvailability(
PluginAvailability availability) {
DCHECK_EQ(PluginAvailable, m_pluginAvailability);
m_pluginAvailability = availability;
m_unavailablePluginReplacementText =
localizedUnavailablePluginReplacementText(node(), availability);
// node() is nullptr when LayoutPart is being destroyed.
if (node())
setShouldDoFullPaintInvalidation();
}
bool LayoutEmbeddedObject::showsUnavailablePluginIndicator() const {
return m_pluginAvailability != PluginAvailable;
}
void LayoutEmbeddedObject::paintContents(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) const {
Element* element = toElement(node());
if (!isHTMLPlugInElement(element))
return;
LayoutPart::paintContents(paintInfo, paintOffset);
}
void LayoutEmbeddedObject::paint(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) const {
if (showsUnavailablePluginIndicator()) {
LayoutReplaced::paint(paintInfo, paintOffset);
return;
}
LayoutPart::paint(paintInfo, paintOffset);
}
void LayoutEmbeddedObject::paintReplaced(const PaintInfo& paintInfo,
const LayoutPoint& paintOffset) const {
EmbeddedObjectPainter(*this).paintReplaced(paintInfo, paintOffset);
}
PaintInvalidationReason LayoutEmbeddedObject::invalidatePaintIfNeeded(
const PaintInvalidatorContext& context) const {
return EmbeddedObjectPaintInvalidator(*this, context)
.invalidatePaintIfNeeded();
}
void LayoutEmbeddedObject::layout() {
ASSERT(needsLayout());
LayoutAnalyzer::Scope analyzer(*this);
updateLogicalWidth();
updateLogicalHeight();
m_overflow.reset();
addVisualEffectOverflow();
updateLayerTransformAfterLayout();
Widget* widget = this->widget();
if (!widget && frameView())
frameView()->addPartToUpdate(*this);
clearNeedsLayout();
}
ScrollResult LayoutEmbeddedObject::scroll(ScrollGranularity granularity,
const FloatSize&) {
return ScrollResult();
}
CompositingReasons LayoutEmbeddedObject::additionalCompositingReasons() const {
if (requiresAcceleratedCompositing())
return CompositingReasonPlugin;
return CompositingReasonNone;
}
LayoutReplaced* LayoutEmbeddedObject::embeddedReplacedContent() const {
if (!node() || !widget() || !widget()->isFrameView())
return nullptr;
return toFrameView(widget())->embeddedReplacedContent();
}
} // namespace blink
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