/* | |
* Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | |
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
* its contributors may be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef HistoryController_h | |
#define HistoryController_h | |
#include "FrameLoaderTypes.h" | |
#include "PlatformString.h" | |
#include <wtf/Noncopyable.h> | |
#include <wtf/RefPtr.h> | |
namespace WebCore { | |
class Frame; | |
class HistoryItem; | |
class SerializedScriptValue; | |
class HistoryController : public Noncopyable { | |
public: | |
HistoryController(Frame*); | |
~HistoryController(); | |
void saveScrollPositionAndViewStateToItem(HistoryItem*); | |
void restoreScrollPositionAndViewState(); | |
void updateBackForwardListForFragmentScroll(); | |
void saveDocumentState(); | |
void saveDocumentAndScrollState(); | |
void restoreDocumentState(); | |
void invalidateCurrentItemCachedPage(); | |
void goToItem(HistoryItem*, FrameLoadType); | |
bool urlsMatchItem(HistoryItem*) const; | |
void updateForBackForwardNavigation(); | |
void updateForReload(); | |
void updateForStandardLoad(); | |
void updateForRedirectWithLockedBackForwardList(); | |
void updateForClientRedirect(); | |
void updateForCommit(); | |
void updateForSameDocumentNavigation(); | |
void updateForFrameLoadCompleted(); | |
HistoryItem* currentItem() const { return m_currentItem.get(); } | |
void setCurrentItem(HistoryItem*); | |
void setCurrentItemTitle(const String&); | |
HistoryItem* provisionalItem() const { return m_provisionalItem.get(); } | |
void setProvisionalItem(HistoryItem*); | |
void pushState(PassRefPtr<SerializedScriptValue>, const String& title, const String& url); | |
void replaceState(PassRefPtr<SerializedScriptValue>, const String& title, const String& url); | |
private: | |
PassRefPtr<HistoryItem> createItem(bool useOriginal); | |
PassRefPtr<HistoryItem> createItemTree(Frame* targetFrame, bool clipAtTarget); | |
void recursiveGoToItem(HistoryItem*, HistoryItem*, FrameLoadType); | |
bool childFramesMatchItem(HistoryItem*) const; | |
void updateBackForwardListClippedAtTarget(bool doClip); | |
Frame* m_frame; | |
RefPtr<HistoryItem> m_currentItem; | |
RefPtr<HistoryItem> m_previousItem; | |
RefPtr<HistoryItem> m_provisionalItem; | |
}; | |
} // namespace WebCore | |
#endif // HistoryController_h |