1/*
2 * Copyright 2009, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef AndroidWebHistoryBridge_h
27#define AndroidWebHistoryBridge_h
28
29#include <wtf/ThreadSafeRefCounted.h>
30
31namespace WebCore {
32
33class HistoryItem;
34
35class AndroidWebHistoryBridge : public ThreadSafeRefCounted<AndroidWebHistoryBridge> {
36public:
37    AndroidWebHistoryBridge(HistoryItem* item)
38        : m_scale(0)
39        , m_textWrapScale(0)
40        , m_active(false)
41        , m_historyItem(item) {}
42    virtual ~AndroidWebHistoryBridge() {}
43    virtual void updateHistoryItem(HistoryItem* item) = 0;
44
45    void setScale(float s) { m_scale = s; }
46    void setTextWrapScale(float s) { m_textWrapScale = s; }
47    float scale() const { return m_scale; }
48    float textWrapScale() const { return m_textWrapScale; }
49    void detachHistoryItem() { m_historyItem = 0; }
50    HistoryItem* historyItem() const { return m_historyItem; }
51    void setActive() { m_active = true; }
52
53protected:
54    float m_scale;
55    float m_textWrapScale;
56    bool m_active;
57    HistoryItem* m_historyItem;
58};
59
60} // namespace WebCore
61
62#endif // AndroidWebHistoryBridge_h
63