/*
 * Copyright (C) 2013 Opera Software ASA. All rights reserved.
 *
 * 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.
 *     * Neither the name of Opera ASA 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 THE COPYRIGHT HOLDERS AND 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 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 ContentEditablesController_h
#define ContentEditablesController_h

#include "wtf/HashFunctions.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
#include "wtf/text/WTFString.h"

namespace blink {
class Element;

class ContentEditablesState : public RefCounted<ContentEditablesState> {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static PassRefPtr<ContentEditablesState> create()
    {
        return adoptRef(new ContentEditablesState);
    }

    Vector<String> toStateVector();
    void registerContentEditableElement(Element*);
    void restoreContentsIn(Element*);
    void unregisterContentEditableElement(Element*);
    void setContentEditablesContent(const Vector<String>&);

private:
    HashMap<Element*, String> m_contenteditablesWithPaths;
    HashMap<String, String> m_savedContents;
};

class ContentEditablesController {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static PassOwnPtr<ContentEditablesController> create()
    {
        return adoptPtr(new ContentEditablesController);
    }

    void registerContentEditableElement(Element*);
    void restoreContentsIn(Element*);
    void unregisterContentEditableElement(Element*);
    ContentEditablesState* getContentEditablesState();
    void setContentEditablesContent(const Vector<String>&);
private:
    ContentEditablesController();
    RefPtr<ContentEditablesState> m_state;
};

} // namespace blink

#endif // ContentEditablesController_h
