| /* |
| * 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/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 Document; |
| class Element; |
| class Node; |
| class RenderFullScreen; |
| class RenderStyle; |
| class ExecutionContext; |
| |
| class FullscreenElementStack |
| : public DocumentSupplement |
| , public DocumentLifecycleObserver { |
| 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; |
| virtual void documentWasDisposed() OVERRIDE; |
| |
| private: |
| static FullscreenElementStack* fromIfExistsSlow(Document*); |
| |
| explicit FullscreenElementStack(Document*); |
| |
| Document* document(); |
| void fullScreenChangeDelayTimerFired(Timer<FullscreenElementStack>*); |
| |
| bool m_areKeysEnabledInFullScreen; |
| RefPtr<Element> m_fullScreenElement; |
| Vector<RefPtr<Element> > m_fullScreenElementStack; |
| RenderFullScreen* m_fullScreenRenderer; |
| Timer<FullscreenElementStack> m_fullScreenChangeDelayTimer; |
| Deque<RefPtr<Node> > m_fullScreenChangeEventTargetQueue; |
| Deque<RefPtr<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 |