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/*
* Copyright (C) 2008, 2009, 2011, 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 HTMLPlugInImageElement_h
#define HTMLPlugInImageElement_h
#include "HTMLPlugInElement.h"
#include "RenderStyle.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
class HTMLImageLoader;
class FrameLoader;
class Image;
class MouseEvent;
class Widget;
enum PluginCreationOption {
CreateAnyWidgetType,
CreateOnlyNonNetscapePlugins,
};
enum PreferPlugInsForImagesOption {
ShouldPreferPlugInsForImages,
ShouldNotPreferPlugInsForImages
};
// Base class for HTMLObjectElement and HTMLEmbedElement
class HTMLPlugInImageElement : public HTMLPlugInElement {
public:
virtual ~HTMLPlugInImageElement();
RenderEmbeddedObject* renderEmbeddedObject() const;
virtual void setDisplayState(DisplayState) OVERRIDE;
virtual void updateWidget(PluginCreationOption) = 0;
const String& serviceType() const { return m_serviceType; }
const String& url() const { return m_url; }
const KURL& loadedUrl() const { return m_loadedUrl; }
const String loadedMimeType() const
{
String mimeType = serviceType();
if (mimeType.isEmpty())
mimeType = mimeTypeFromURL(m_loadedUrl);
return mimeType;
}
bool shouldPreferPlugInsForImages() const { return m_shouldPreferPlugInsForImages; }
// Public for FrameView::addWidgetToUpdate()
bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
void userDidClickSnapshot(PassRefPtr<MouseEvent>, bool forwardEvent);
void checkSnapshotStatus();
Image* snapshotImage() const { return m_snapshotImage.get(); }
void restartSnapshottedPlugIn();
// Plug-in URL might not be the same as url() with overriding parameters.
void subframeLoaderWillCreatePlugIn(const KURL& plugInURL);
void subframeLoaderDidCreatePlugIn(const Widget*);
void setIsPrimarySnapshottedPlugIn(bool);
bool partOfSnapshotOverlay(Node*);
bool needsCheckForSizeChange() const { return m_needsCheckForSizeChange; }
void setNeedsCheckForSizeChange() { m_needsCheckForSizeChange = true; }
void checkSizeChangeForSnapshotting();
enum SnapshotDecision {
SnapshotNotYetDecided,
NeverSnapshot,
Snapshotted,
MaySnapshotWhenResized,
MaySnapshotWhenContentIsSet
};
SnapshotDecision snapshotDecision() const { return m_snapshotDecision; }
protected:
HTMLPlugInImageElement(const QualifiedName& tagName, Document*, bool createdByParser, PreferPlugInsForImagesOption);
bool isImageType();
OwnPtr<HTMLImageLoader> m_imageLoader;
String m_serviceType;
String m_url;
KURL m_loadedUrl;
static void updateWidgetCallback(Node*, unsigned = 0);
virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
bool allowedToLoadFrameURL(const String& url);
bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
virtual void didMoveToNewDocument(Document* oldDocument) OVERRIDE;
virtual void documentWillSuspendForPageCache() OVERRIDE;
virtual void documentDidResumeFromPageCache() OVERRIDE;
virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
virtual bool isRestartedPlugin() const OVERRIDE { return m_isRestartedPlugin; }
private:
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE;
virtual bool willRecalcStyle(StyleChange) OVERRIDE;
void didAddUserAgentShadowRoot(ShadowRoot*) OVERRIDE;
virtual void finishParsingChildren() OVERRIDE;
void updateWidgetIfNecessary();
virtual void updateSnapshot(PassRefPtr<Image>) OVERRIDE;
virtual void dispatchPendingMouseClick() OVERRIDE;
void simulatedMouseClickTimerFired(DeferrableOneShotTimer<HTMLPlugInImageElement>*);
void swapRendererTimerFired(Timer<HTMLPlugInImageElement>*);
void restartSimilarPlugIns();
virtual bool isPlugInImageElement() const OVERRIDE { return true; }
void removeSnapshotTimerFired(Timer<HTMLPlugInImageElement>*);
virtual void defaultEventHandler(Event*) OVERRIDE;
bool m_needsWidgetUpdate;
bool m_shouldPreferPlugInsForImages;
bool m_needsDocumentActivationCallbacks;
RefPtr<RenderStyle> m_customStyleForPageCache;
RefPtr<MouseEvent> m_pendingClickEventFromSnapshot;
DeferrableOneShotTimer<HTMLPlugInImageElement> m_simulatedMouseClickTimer;
Timer<HTMLPlugInImageElement> m_swapRendererTimer;
Timer<HTMLPlugInImageElement> m_removeSnapshotTimer;
RefPtr<Image> m_snapshotImage;
bool m_createdDuringUserGesture;
bool m_isRestartedPlugin;
bool m_needsCheckForSizeChange;
bool m_plugInWasCreated;
bool m_deferredPromotionToPrimaryPlugIn;
IntSize m_sizeWhenSnapshotted;
SnapshotDecision m_snapshotDecision;
};
inline HTMLPlugInImageElement* toHTMLPlugInImageElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isPluginElement());
HTMLPlugInElement* plugInElement = static_cast<HTMLPlugInElement*>(node);
ASSERT_WITH_SECURITY_IMPLICATION(plugInElement->isPlugInImageElement());
return static_cast<HTMLPlugInImageElement*>(plugInElement);
}
inline const HTMLPlugInImageElement* toHTMLPlugInImageElement(const Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isPluginElement());
const HTMLPlugInElement* plugInElement = static_cast<const HTMLPlugInElement*>(node);
ASSERT_WITH_SECURITY_IMPLICATION(plugInElement->isPlugInImageElement());
return static_cast<const HTMLPlugInImageElement*>(plugInElement);
}
// This will catch anyone doing an unnecessary cast.
void toHTMLPlugInImageElement(const HTMLPlugInImageElement*);
} // namespace WebCore
#endif // HTMLPlugInImageElement_h
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