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Diffstat (limited to 'src/3rdparty/webkit/WebCore/loader/HistoryController.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/loader/HistoryController.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/loader/HistoryController.h b/src/3rdparty/webkit/WebCore/loader/HistoryController.h new file mode 100644 index 0000000000..4ecae69f9e --- /dev/null +++ b/src/3rdparty/webkit/WebCore/loader/HistoryController.h @@ -0,0 +1,95 @@ +/* + * 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 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 updateForAnchorScroll(); + 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*); + +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 |