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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 HistoryItem_h
#define HistoryItem_h
#include "CachedPage.h"
#include "FormData.h"
#include "IntPoint.h"
#include "PlatformString.h"
#include <wtf/RefCounted.h>
#include "StringHash.h"
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#if PLATFORM(QT)
#include <QVariant>
#endif
#if PLATFORM(MAC)
#import <wtf/RetainPtr.h>
typedef struct objc_object* id;
#endif
#ifdef ANDROID_HISTORY_CLIENT
#include "WebHistory.h"
#endif
namespace WebCore {
class Document;
class Image;
class KURL;
class ResourceRequest;
class HistoryItem;
typedef Vector<RefPtr<HistoryItem> > HistoryItemVector;
#ifdef ANDROID_HISTORY_CLIENT
extern void (*notifyHistoryItemChanged)(HistoryItem*);
#else
extern void (*notifyHistoryItemChanged)();
#endif
class HistoryItem : public RefCounted<HistoryItem> {
friend class PageCache;
public:
static PassRefPtr<HistoryItem> create() { return adoptRef(new HistoryItem); }
static PassRefPtr<HistoryItem> create(const String& urlString, const String& title, double lastVisited)
{
return adoptRef(new HistoryItem(urlString, title, lastVisited));
}
static PassRefPtr<HistoryItem> create(const String& urlString, const String& title, const String& alternateTitle, double lastVisited)
{
return adoptRef(new HistoryItem(urlString, title, alternateTitle, lastVisited));
}
static PassRefPtr<HistoryItem> create(const KURL& url, const String& target, const String& parent, const String& title)
{
return adoptRef(new HistoryItem(url, target, parent, title));
}
~HistoryItem();
PassRefPtr<HistoryItem> copy() const;
const String& originalURLString() const;
const String& urlString() const;
const String& title() const;
void setInPageCache(bool inPageCache) { m_isInPageCache = inPageCache; }
bool isInPageCache() const { return m_isInPageCache; }
double lastVisitedTime() const;
void setAlternateTitle(const String& alternateTitle);
const String& alternateTitle() const;
Image* icon() const;
const String& parent() const;
KURL url() const;
KURL originalURL() const;
const String& target() const;
bool isTargetItem() const;
FormData* formData();
String formContentType() const;
String formReferrer() const;
String rssFeedReferrer() const;
int visitCount() const;
void mergeAutoCompleteHints(HistoryItem* otherItem);
const IntPoint& scrollPoint() const;
void setScrollPoint(const IntPoint&);
void clearScrollPoint();
const Vector<String>& documentState() const;
void setDocumentState(const Vector<String>&);
void clearDocumentState();
void setURL(const KURL&);
void setURLString(const String&);
void setOriginalURLString(const String&);
void setTarget(const String&);
void setParent(const String&);
void setTitle(const String&);
void setIsTargetItem(bool);
void setFormInfoFromRequest(const ResourceRequest&);
void setRSSFeedReferrer(const String&);
void setVisitCount(int);
void addChildItem(PassRefPtr<HistoryItem>);
HistoryItem* childItemWithName(const String&) const;
HistoryItem* targetItem();
HistoryItem* recurseToFindTargetItem();
const HistoryItemVector& children() const;
bool hasChildren() const;
// This should not be called directly for HistoryItems that are already included
// in GlobalHistory. The WebKit api for this is to use -[WebHistory setLastVisitedTimeInterval:forItem:] instead.
void setLastVisitedTime(double);
bool isCurrentDocument(Document*) const;
#if PLATFORM(MAC)
id viewState() const;
void setViewState(id);
// Transient properties may be of any ObjC type. They are intended to be used to store state per back/forward list entry.
// The properties will not be persisted; when the history item is removed, the properties will be lost.
id getTransientProperty(const String&) const;
void setTransientProperty(const String&, id);
#endif
#if PLATFORM(QT)
QVariant userData() const { return m_userData; }
void setUserData(const QVariant& userData) { m_userData = userData; }
#endif
#ifndef NDEBUG
int showTree() const;
int showTreeWithIndent(unsigned indentLevel) const;
#endif
#ifdef ANDROID_HISTORY_CLIENT
void setBridge(android::WebHistoryItem* bridge) { m_bridge = adoptRef(bridge); }
android::WebHistoryItem* bridge() const { return m_bridge.get(); }
#endif
private:
HistoryItem();
HistoryItem(const String& urlString, const String& title, double lastVisited);
HistoryItem(const String& urlString, const String& title, const String& alternateTitle, double lastVisited);
HistoryItem(const KURL& url, const String& target, const String& parent, const String& title);
HistoryItem(const HistoryItem&);
String m_urlString;
String m_originalURLString;
String m_target;
String m_parent;
String m_title;
String m_displayTitle;
double m_lastVisitedTime;
IntPoint m_scrollPoint;
Vector<String> m_documentState;
HistoryItemVector m_subItems;
bool m_isInPageCache;
bool m_isTargetItem;
int m_visitCount;
// info used to repost form data
RefPtr<FormData> m_formData;
String m_formContentType;
String m_formReferrer;
// info used to support RSS feeds
String m_rssFeedReferrer;
// PageCache controls these fields.
HistoryItem* m_next;
HistoryItem* m_prev;
RefPtr<CachedPage> m_cachedPage;
#if PLATFORM(MAC)
RetainPtr<id> m_viewState;
OwnPtr<HashMap<String, RetainPtr<id> > > m_transientProperties;
#endif
#ifdef ANDROID_HISTORY_CLIENT
RefPtr<android::WebHistoryItem> m_bridge;
#endif
#if PLATFORM(QT)
QVariant m_userData;
#endif
}; //class HistoryItem
} //namespace WebCore
#ifndef NDEBUG
// Outside the WebCore namespace for ease of invocation from gdb.
extern "C" int showTree(const WebCore::HistoryItem*);
#endif
#endif // HISTORYITEM_H
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