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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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