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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010, 2012 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.
*
*/
#ifndef RenderEmbeddedObject_h
#define RenderEmbeddedObject_h
#include "RenderPart.h"
namespace WebCore {
class MouseEvent;
class TextRun;
// Renderer for embeds and objects, often, but not always, rendered via plug-ins.
// For example, <embed src="foo.html"> does not invoke a plug-in.
class RenderEmbeddedObject : public RenderPart {
public:
RenderEmbeddedObject(Element*);
virtual ~RenderEmbeddedObject();
enum PluginUnavailabilityReason {
PluginMissing,
PluginCrashed,
PluginBlockedByContentSecurityPolicy,
InsecurePluginVersion,
};
void setPluginUnavailabilityReason(PluginUnavailabilityReason);
void setPluginUnavailabilityReasonWithDescription(PluginUnavailabilityReason, const String& description);
bool isPluginUnavailable() const { return m_isPluginUnavailable; }
bool showsUnavailablePluginIndicator() const { return isPluginUnavailable() && !m_isUnavailablePluginIndicatorHidden; }
void setUnavailablePluginIndicatorIsHidden(bool);
// FIXME: This belongs on HTMLObjectElement.
bool hasFallbackContent() const { return m_hasFallbackContent; }
void setHasFallbackContent(bool hasFallbackContent) { m_hasFallbackContent = hasFallbackContent; }
void handleUnavailablePluginIndicatorEvent(Event*);
bool isReplacementObscured() const;
#if USE(ACCELERATED_COMPOSITING)
virtual bool allowsAcceleratedCompositing() const;
#endif
protected:
virtual void paintReplaced(PaintInfo&, const LayoutPoint&);
virtual void paint(PaintInfo&, const LayoutPoint&);
virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const;
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
protected:
virtual void layout() OVERRIDE;
private:
virtual const char* renderName() const { return "RenderEmbeddedObject"; }
virtual bool isEmbeddedObject() const { return true; }
void paintSnapshotImage(PaintInfo&, const LayoutPoint&, Image*);
virtual void paintContents(PaintInfo&, const LayoutPoint&) OVERRIDE;
#if USE(ACCELERATED_COMPOSITING)
virtual bool requiresLayer() const;
#endif
virtual void viewCleared();
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier, Node** stopNode);
virtual bool logicalScroll(ScrollLogicalDirection, ScrollGranularity, float multiplier, Node** stopNode);
void setUnavailablePluginIndicatorIsPressed(bool);
bool isInUnavailablePluginIndicator(MouseEvent*) const;
bool isInUnavailablePluginIndicator(const LayoutPoint&) const;
bool getReplacementTextGeometry(const LayoutPoint& accumulatedOffset, FloatRect& contentRect, Path&, FloatRect& replacementTextRect, FloatRect& arrowRect, Font&, TextRun&, float& textWidth) const;
LayoutRect unavailablePluginIndicatorBounds(const LayoutPoint&) const;
virtual bool canHaveChildren() const;
virtual RenderObjectChildList* virtualChildren() { return children(); }
virtual const RenderObjectChildList* virtualChildren() const { return children(); }
virtual bool canHaveWidget() const { return true; }
bool m_hasFallbackContent; // FIXME: This belongs on HTMLObjectElement.
bool m_isPluginUnavailable;
bool m_isUnavailablePluginIndicatorHidden;
PluginUnavailabilityReason m_pluginUnavailabilityReason;
String m_unavailablePluginReplacementText;
bool m_unavailablePluginIndicatorIsPressed;
bool m_mouseDownWasInUnavailablePluginIndicator;
RenderObjectChildList m_children;
String m_unavailabilityDescription;
};
inline RenderEmbeddedObject* toRenderEmbeddedObject(RenderObject* object)
{
ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isEmbeddedObject());
return static_cast<RenderEmbeddedObject*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderEmbeddedObject(const RenderEmbeddedObject*);
} // namespace WebCore
#endif // RenderEmbeddedObject_h
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