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1 /* | 1 /* |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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132 void History::go(ExecutionContext* context, int delta) { | 132 void History::go(ExecutionContext* context, int delta) { |
133 if (!frame() || !frame()->loader().client()) | 133 if (!frame() || !frame()->loader().client()) |
134 return; | 134 return; |
135 | 135 |
136 ASSERT(isMainThread()); | 136 ASSERT(isMainThread()); |
137 Document* activeDocument = toDocument(context); | 137 Document* activeDocument = toDocument(context); |
138 if (!activeDocument) | 138 if (!activeDocument) |
139 return; | 139 return; |
140 | 140 |
141 if (!activeDocument->frame() || | 141 if (!activeDocument->frame() || |
142 !activeDocument->frame()->canNavigate(*frame())) | 142 !activeDocument->frame()->canNavigate(*frame()) || |
143 return; | 143 !activeDocument->frame()->isNavigationAllowed() || |
144 if (!NavigationDisablerForUnload::isNavigationAllowed()) | 144 !NavigationDisablerForBeforeUnload::isNavigationAllowed()) |
145 return; | 145 return; |
146 | 146 |
147 // We intentionally call reload() for the current frame if delta is zero. | 147 // We intentionally call reload() for the current frame if delta is zero. |
148 // Otherwise, navigation happens on the root frame. | 148 // Otherwise, navigation happens on the root frame. |
149 // This behavior is designed in the following spec. | 149 // This behavior is designed in the following spec. |
150 // https://html.spec.whatwg.org/multipage/browsers.html#dom-history-go | 150 // https://html.spec.whatwg.org/multipage/browsers.html#dom-history-go |
151 if (delta) | 151 if (delta) |
152 frame()->loader().client()->navigateBackForward(delta); | 152 frame()->loader().client()->navigateBackForward(delta); |
153 else | 153 else |
154 frame()->reload(FrameLoadTypeReload, ClientRedirectPolicy::ClientRedirect); | 154 frame()->reload(FrameLoadTypeReload, ClientRedirectPolicy::ClientRedirect); |
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213 frame()->document()->url().elidedString() + "'."); | 213 frame()->document()->url().elidedString() + "'."); |
214 return; | 214 return; |
215 } | 215 } |
216 | 216 |
217 frame()->loader().updateForSameDocumentNavigation( | 217 frame()->loader().updateForSameDocumentNavigation( |
218 fullURL, SameDocumentNavigationHistoryApi, std::move(data), | 218 fullURL, SameDocumentNavigationHistoryApi, std::move(data), |
219 restorationType, type, frame()->document()); | 219 restorationType, type, frame()->document()); |
220 } | 220 } |
221 | 221 |
222 } // namespace blink | 222 } // namespace blink |
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