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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef BackForwardListClientImpl_h | |
32 #define BackForwardListClientImpl_h | |
33 | |
34 #include "BackForwardList.h" | |
35 | |
36 namespace WebKit { | |
37 class WebViewImpl; | |
38 | |
39 extern const char backForwardNavigationScheme[]; | |
40 | |
41 class BackForwardListClientImpl : public WebCore::BackForwardListClient { | |
42 public: | |
43 BackForwardListClientImpl(WebViewImpl* webview); | |
44 ~BackForwardListClientImpl(); | |
45 | |
46 void setCurrentHistoryItem(WebCore::HistoryItem* item); | |
47 WebCore::HistoryItem* previousHistoryItem() const; | |
48 | |
49 private: | |
50 // WebCore::BackForwardListClient methods: | |
51 virtual void addItem(PassRefPtr<WebCore::HistoryItem>); | |
52 virtual void goToItem(WebCore::HistoryItem*); | |
53 virtual WebCore::HistoryItem* currentItem(); | |
54 virtual WebCore::HistoryItem* itemAtIndex(int index); | |
55 virtual int backListCount(); | |
56 virtual int forwardListCount(); | |
57 virtual void close(); | |
58 | |
59 WebViewImpl* m_webView; | |
60 | |
61 RefPtr<WebCore::HistoryItem> m_previousItem; | |
62 RefPtr<WebCore::HistoryItem> m_currentItem; | |
63 | |
64 // The last history item that was accessed via itemAtIndex(). We keep track | |
65 // of this until goToItem() is called, so we can track the navigation. | |
66 RefPtr<WebCore::HistoryItem> m_pendingHistoryItem; | |
67 }; | |
68 | |
69 } // namespace WebKit | |
70 | |
71 #endif | |
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