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| 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. Use of this | 1 /* |
| 2 // source code is governed by a BSD-style license that can be found in the | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
| 3 // LICENSE file. | 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 */ |
| 4 | 30 |
| 5 #include "config.h" | 31 #include "config.h" |
| 32 #include "BackForwardListClientImpl.h" |
| 6 | 33 |
| 7 #include "HistoryItem.h" | 34 #include "HistoryItem.h" |
| 8 #undef LOG | 35 #include "WebViewClient.h" |
| 9 | 36 |
| 10 #include "webkit/api/public/WebViewClient.h" | 37 // FIXME: Remove this once WebViewImpl moves out of glue/. |
| 11 #include "webkit/glue/back_forward_list_client_impl.h" | |
| 12 #include "webkit/glue/webview_impl.h" | 38 #include "webkit/glue/webview_impl.h" |
| 13 | 39 |
| 14 namespace webkit_glue { | 40 using namespace WebCore; |
| 15 | 41 |
| 16 const char kBackForwardNavigationScheme[] = "chrome-back-forward"; | 42 namespace WebKit { |
| 17 | 43 |
| 18 BackForwardListClientImpl::BackForwardListClientImpl(WebViewImpl* webview) | 44 const char backForwardNavigationScheme[] = "chrome-back-forward"; |
| 19 : webview_(webview) { | 45 |
| 46 BackForwardListClientImpl::BackForwardListClientImpl(WebViewImpl* webView) |
| 47 : m_webView(webView) |
| 48 { |
| 20 } | 49 } |
| 21 | 50 |
| 22 BackForwardListClientImpl::~BackForwardListClientImpl() { | 51 BackForwardListClientImpl::~BackForwardListClientImpl() |
| 52 { |
| 23 } | 53 } |
| 24 | 54 |
| 25 void BackForwardListClientImpl::SetCurrentHistoryItem( | 55 void BackForwardListClientImpl::SetCurrentHistoryItem(HistoryItem* item) |
| 26 WebCore::HistoryItem* item) { | 56 { |
| 27 previous_item_ = current_item_; | 57 m_previousItem = m_currentItem; |
| 28 current_item_ = item; | 58 m_currentItem = item; |
| 29 } | 59 } |
| 30 | 60 |
| 31 WebCore::HistoryItem* BackForwardListClientImpl::GetPreviousHistoryItem() | 61 HistoryItem* BackForwardListClientImpl::GetPreviousHistoryItem() const |
| 32 const { | 62 { |
| 33 return previous_item_.get(); | 63 return m_previousItem.get(); |
| 34 } | 64 } |
| 35 | 65 |
| 36 void BackForwardListClientImpl::addItem(PassRefPtr<WebCore::HistoryItem> item) { | 66 void BackForwardListClientImpl::addItem(PassRefPtr<HistoryItem> item) |
| 37 previous_item_ = current_item_; | 67 { |
| 38 current_item_ = item; | 68 m_previousItem = m_currentItem; |
| 69 m_currentItem = item; |
| 39 | 70 |
| 40 // If WebCore adds a new HistoryItem, it means this is a new navigation (ie, | 71 // If WebCore adds a new HistoryItem, it means this is a new navigation (ie, |
| 41 // not a reload or back/forward). | 72 // not a reload or back/forward). |
| 42 webview_->ObserveNewNavigation(); | 73 m_webView->ObserveNewNavigation(); |
| 43 | 74 |
| 44 if (webview_->client()) | 75 if (m_webView->client()) |
| 45 webview_->client()->didAddHistoryItem(); | 76 m_webView->client()->didAddHistoryItem(); |
| 46 } | 77 } |
| 47 | 78 |
| 48 void BackForwardListClientImpl::goToItem(WebCore::HistoryItem* item) { | 79 void BackForwardListClientImpl::goToItem(HistoryItem* item) |
| 49 previous_item_ = current_item_; | 80 { |
| 50 current_item_ = item; | 81 m_previousItem = m_currentItem; |
| 82 m_currentItem = item; |
| 51 | 83 |
| 52 if (pending_history_item_ == item) | 84 if (m_pendingHistoryItem == item) |
| 53 pending_history_item_ = NULL; | 85 m_pendingHistoryItem = 0; |
| 54 } | 86 } |
| 55 | 87 |
| 56 WebCore::HistoryItem* BackForwardListClientImpl::currentItem() { | 88 HistoryItem* BackForwardListClientImpl::currentItem() |
| 57 return current_item_.get(); | 89 { |
| 90 return m_currentItem.get(); |
| 58 } | 91 } |
| 59 | 92 |
| 60 WebCore::HistoryItem* BackForwardListClientImpl::itemAtIndex(int index) { | 93 HistoryItem* BackForwardListClientImpl::itemAtIndex(int index) |
| 61 if (!webview_->client()) | 94 { |
| 62 return NULL; | 95 if (!m_webView->client()) |
| 96 return 0; |
| 63 | 97 |
| 64 // Since we don't keep the entire back/forward list, we have no way to | 98 // Since we don't keep the entire back/forward list, we have no way to |
| 65 // properly implement this method. We return a dummy entry instead that we | 99 // properly implement this method. We return a dummy entry instead that we |
| 66 // intercept in our FrameLoaderClient implementation in case WebCore asks | 100 // intercept in our FrameLoaderClient implementation in case WebCore asks |
| 67 // to navigate to this HistoryItem. | 101 // to navigate to this HistoryItem. |
| 68 | 102 |
| 69 // TODO(darin): We should change WebCore to handle history.{back,forward,go} | 103 // FIXME: We should change WebCore to handle history.{back,forward,go} |
| 70 // differently. It should perhaps just ask the FrameLoaderClient to perform | 104 // differently. It should perhaps just ask the FrameLoaderClient to |
| 71 // those navigations. | 105 // perform those navigations. |
| 72 | 106 |
| 73 WebCore::String url_string = WebCore::String::format( | 107 String url_string = String::format( |
| 74 "%s://go/%d", kBackForwardNavigationScheme, index); | 108 "%s://go/%d", backForwardNavigationScheme, index); |
| 75 | 109 |
| 76 pending_history_item_ = | 110 m_pendingHistoryItem = |
| 77 WebCore::HistoryItem::create(url_string, WebCore::String(), 0.0); | 111 HistoryItem::create(url_string, String(), 0.0); |
| 78 return pending_history_item_.get(); | 112 return m_pendingHistoryItem.get(); |
| 79 } | 113 } |
| 80 | 114 |
| 81 int BackForwardListClientImpl::backListCount() { | 115 int BackForwardListClientImpl::backListCount() |
| 82 if (!webview_->client()) | 116 { |
| 83 return 0; | 117 if (!m_webView->client()) |
| 118 return 0; |
| 84 | 119 |
| 85 return webview_->client()->historyBackListCount(); | 120 return m_webView->client()->historyBackListCount(); |
| 86 } | 121 } |
| 87 | 122 |
| 88 int BackForwardListClientImpl::forwardListCount() { | 123 int BackForwardListClientImpl::forwardListCount() |
| 89 if (!webview_->client()) | 124 { |
| 90 return 0; | 125 if (!m_webView->client()) |
| 126 return 0; |
| 91 | 127 |
| 92 return webview_->client()->historyForwardListCount(); | 128 return m_webView->client()->historyForwardListCount(); |
| 93 } | 129 } |
| 94 | 130 |
| 95 void BackForwardListClientImpl::close() { | 131 void BackForwardListClientImpl::close() |
| 96 current_item_ = NULL; | 132 { |
| 97 previous_item_ = NULL; | 133 m_currentItem = 0; |
| 98 pending_history_item_ = NULL; | 134 m_previousItem = 0; |
| 135 m_pendingHistoryItem = 0; |
| 99 } | 136 } |
| 100 | 137 |
| 101 } // namespace webkit_glue | 138 } // namespace WebKit |
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