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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2013 Google 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 FullscreenElementStack_h
#define FullscreenElementStack_h
#include "core/dom/Document.h"
#include "core/dom/DocumentLifecycleObserver.h"
#include "core/dom/Element.h"
#include "platform/Supplementable.h"
#include "platform/Timer.h"
#include "platform/geometry/LayoutRect.h"
#include "wtf/Deque.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace WebCore {
class RenderFullScreen;
class RenderStyle;
class FullscreenElementStack FINAL
: public NoBaseWillBeGarbageCollectedFinalized<FullscreenElementStack>
, public DocumentSupplement
, public DocumentLifecycleObserver {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FullscreenElementStack);
public:
virtual ~FullscreenElementStack();
static const char* supplementName();
static FullscreenElementStack& from(Document&);
static FullscreenElementStack* fromIfExists(Document&);
static Element* fullscreenElementFrom(Document&);
static Element* currentFullScreenElementFrom(Document&);
static bool isFullScreen(Document&);
static bool isActiveFullScreenElement(const Element*);
enum FullScreenCheckType {
EnforceIFrameAllowFullScreenRequirement,
ExemptIFrameAllowFullScreenRequirement,
};
void requestFullScreenForElement(Element*, unsigned short flags, FullScreenCheckType);
void webkitCancelFullScreen();
void webkitWillEnterFullScreenForElement(Element*);
void webkitDidEnterFullScreenForElement(Element*);
void webkitWillExitFullScreenForElement(Element*);
void webkitDidExitFullScreenForElement(Element*);
void setFullScreenRenderer(RenderFullScreen*);
RenderFullScreen* fullScreenRenderer() const { return m_fullScreenRenderer; }
void fullScreenRendererDestroyed();
void clearFullscreenElementStack();
void popFullscreenElementStack();
void pushFullscreenElementStack(Element*);
void addDocumentToFullScreenChangeEventQueue(Document*);
bool fullScreenIsAllowedForElement(Element*) const;
void fullScreenElementRemoved();
void removeFullScreenElementOfSubtree(Node*, bool amongChildrenOnly = false);
// W3C API
static bool webkitFullscreenEnabled(Document&);
Element* webkitFullscreenElement() const { return !m_fullScreenElementStack.isEmpty() ? m_fullScreenElementStack.last().get() : 0; }
void webkitExitFullscreen();
bool webkitIsFullScreen() const { return m_fullScreenElement.get(); }
bool webkitFullScreenKeyboardInputAllowed() const { return m_fullScreenElement.get() && m_areKeysEnabledInFullScreen; }
Element* webkitCurrentFullScreenElement() const { return m_fullScreenElement.get(); }
virtual void documentWasDetached() OVERRIDE;
#if !ENABLE(OILPAN)
virtual void documentWasDisposed() OVERRIDE;
#endif
virtual void trace(Visitor*) OVERRIDE;
private:
static FullscreenElementStack* fromIfExistsSlow(Document&);
explicit FullscreenElementStack(Document&);
Document* document();
void fullScreenChangeDelayTimerFired(Timer<FullscreenElementStack>*);
bool m_areKeysEnabledInFullScreen;
RefPtrWillBeMember<Element> m_fullScreenElement;
WillBeHeapVector<RefPtrWillBeMember<Element> > m_fullScreenElementStack;
RenderFullScreen* m_fullScreenRenderer;
Timer<FullscreenElementStack> m_fullScreenChangeDelayTimer;
WillBeHeapDeque<RefPtrWillBeMember<Node> > m_fullScreenChangeEventTargetQueue;
WillBeHeapDeque<RefPtrWillBeMember<Node> > m_fullScreenErrorEventTargetQueue;
LayoutRect m_savedPlaceholderFrameRect;
RefPtr<RenderStyle> m_savedPlaceholderRenderStyle;
};
inline bool FullscreenElementStack::isActiveFullScreenElement(const Element* element)
{
FullscreenElementStack* controller = fromIfExists(element->document());
if (!controller)
return false;
return controller->webkitIsFullScreen() && controller->webkitCurrentFullScreenElement() == element;
}
inline FullscreenElementStack* FullscreenElementStack::fromIfExists(Document& document)
{
if (!document.hasFullscreenElementStack())
return 0;
return fromIfExistsSlow(document);
}
} // namespace WebCore
#endif // FullscreenElementStack_h
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