xref: /external/webkit/Source/WebKit/android/jni/WebHistory.h

/*
 * Copyright 2006, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 WebHistory_h
#define WebHistory_h

#include "AndroidWebHistoryBridge.h"

#include "PlatformString.h"
#include "SkBitmap.h"

#include <jni.h>
#include <wtf/RefCounted.h>
#include <wtf/Threading.h>
#include <wtf/Vector.h>

namespace android {

class AutoJObject;

class WebHistory {
public:
    static void Flatten(JNIEnv*, WTF::Vector<char>&, WebCore::HistoryItem*);
    static void AddItem(const AutoJObject&, WebCore::HistoryItem*);
    static void RemoveItem(const AutoJObject&, int);
    static void UpdateHistoryIndex(const AutoJObject&, int);
};

// there are two scale factors saved with each history item. m_scale reflects the
// viewport scale factor, default to 100 means 100%. m_textWrapScale records
// the scale factor for wrapping the text paragraph.
class WebHistoryItem : public WebCore::AndroidWebHistoryBridge {
public:
    WebHistoryItem(WebHistoryItem* parent)
        : WebCore::AndroidWebHistoryBridge(0)
        , m_favicon(0)
        , m_faviconCached(0)
        , m_dataCached(0)
        , m_parent(parent)
    {}
    WebHistoryItem(WebCore::HistoryItem* item)
        : WebCore::AndroidWebHistoryBridge(item)
        , m_favicon(0)
        , m_faviconCached(0)
        , m_dataCached(0)
        , m_parent(0)
    {}
    ~WebHistoryItem();
    void updateHistoryItem(WebCore::HistoryItem* item);
    void setParent(WebHistoryItem* parent) { m_parent = parent; }
    WebHistoryItem* parent() const { return m_parent.get(); }

    // TODO: This is ugly. Really the whole bindings of WebHistoryItem needs to be
    // cleaned up, but this will do for now
    WTF::Mutex m_lock;
    String m_url;
    String m_originalUrl;
    String m_title;
    SkBitmap* m_favicon;
    WTF::Vector<char> m_data;
    jobject m_faviconCached;
    jobject m_dataCached;

private:
    RefPtr<WebHistoryItem> m_parent;
};

};

#endif