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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserv
ed. | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserv
ed. |
3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) | 3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) |
4 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | 4 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) |
5 * Copyright (C) 2008 Alp Toker <alp@atoker.com> | 5 * Copyright (C) 2008 Alp Toker <alp@atoker.com> |
6 * Copyright (C) Research In Motion Limited 2009. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2009. All rights reserved. |
7 * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com> | 7 * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com> |
8 * Copyright (C) 2011 Google Inc. All rights reserved. | 8 * Copyright (C) 2011 Google Inc. All rights reserved. |
9 * | 9 * |
10 * Redistribution and use in source and binary forms, with or without | 10 * Redistribution and use in source and binary forms, with or without |
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161 FrameLoader::FrameLoader(LocalFrame* frame) | 161 FrameLoader::FrameLoader(LocalFrame* frame) |
162 : m_frame(frame) | 162 : m_frame(frame) |
163 , m_progressTracker(ProgressTracker::create(frame)) | 163 , m_progressTracker(ProgressTracker::create(frame)) |
164 , m_loadType(FrameLoadTypeStandard) | 164 , m_loadType(FrameLoadTypeStandard) |
165 , m_inStopAllLoaders(false) | 165 , m_inStopAllLoaders(false) |
166 , m_checkTimer(this, &FrameLoader::checkTimerFired) | 166 , m_checkTimer(this, &FrameLoader::checkTimerFired) |
167 , m_didAccessInitialDocument(false) | 167 , m_didAccessInitialDocument(false) |
168 , m_didAccessInitialDocumentTimer(this, &FrameLoader::didAccessInitialDocume
ntTimerFired) | 168 , m_didAccessInitialDocumentTimer(this, &FrameLoader::didAccessInitialDocume
ntTimerFired) |
169 , m_forcedSandboxFlags(SandboxNone) | 169 , m_forcedSandboxFlags(SandboxNone) |
170 , m_dispatchingDidClearWindowObjectInMainWorld(false) | 170 , m_dispatchingDidClearWindowObjectInMainWorld(false) |
| 171 , m_protectProvisionalLoader(false) |
171 { | 172 { |
172 } | 173 } |
173 | 174 |
174 FrameLoader::~FrameLoader() | 175 FrameLoader::~FrameLoader() |
175 { | 176 { |
176 // Verify that this FrameLoader has been detached. | 177 // Verify that this FrameLoader has been detached. |
177 ASSERT(!m_progressTracker); | 178 ASSERT(!m_progressTracker); |
178 } | 179 } |
179 | 180 |
180 DEFINE_TRACE(FrameLoader) | 181 DEFINE_TRACE(FrameLoader) |
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246 m_currentItem->setVisualViewportScrollPoint(m_frame->host()->visualViewport(
).visibleRect().location()); | 247 m_currentItem->setVisualViewportScrollPoint(m_frame->host()->visualViewport(
).visibleRect().location()); |
247 | 248 |
248 if (m_frame->isMainFrame()) | 249 if (m_frame->isMainFrame()) |
249 m_currentItem->setPageScaleFactor(m_frame->page()->pageScaleFactor()); | 250 m_currentItem->setPageScaleFactor(m_frame->page()->pageScaleFactor()); |
250 | 251 |
251 client()->didUpdateCurrentHistoryItem(); | 252 client()->didUpdateCurrentHistoryItem(); |
252 } | 253 } |
253 | 254 |
254 void FrameLoader::dispatchUnloadEvent() | 255 void FrameLoader::dispatchUnloadEvent() |
255 { | 256 { |
| 257 // If the frame is unloading, the provisional loader should no longer be |
| 258 // protected. It will be detached soon. |
| 259 m_protectProvisionalLoader = false; |
256 saveScrollState(); | 260 saveScrollState(); |
257 | 261 |
258 if (m_frame->document() && !SVGImage::isInSVGImage(m_frame->document())) | 262 if (m_frame->document() && !SVGImage::isInSVGImage(m_frame->document())) |
259 m_frame->document()->dispatchUnloadEvents(); | 263 m_frame->document()->dispatchUnloadEvents(); |
260 | 264 |
261 if (Page* page = m_frame->page()) | 265 if (Page* page = m_frame->page()) |
262 page->undoStack().didUnloadFrame(*m_frame); | 266 page->undoStack().didUnloadFrame(*m_frame); |
263 } | 267 } |
264 | 268 |
265 void FrameLoader::didExplicitOpen() | 269 void FrameLoader::didExplicitOpen() |
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985 RefPtrWillBeRawPtr<LocalFrame> protect(m_frame.get()); | 989 RefPtrWillBeRawPtr<LocalFrame> protect(m_frame.get()); |
986 | 990 |
987 m_inStopAllLoaders = true; | 991 m_inStopAllLoaders = true; |
988 | 992 |
989 for (RefPtrWillBeRawPtr<Frame> child = m_frame->tree().firstChild(); child;
child = child->tree().nextSibling()) { | 993 for (RefPtrWillBeRawPtr<Frame> child = m_frame->tree().firstChild(); child;
child = child->tree().nextSibling()) { |
990 if (child->isLocalFrame()) | 994 if (child->isLocalFrame()) |
991 toLocalFrame(child.get())->loader().stopAllLoaders(); | 995 toLocalFrame(child.get())->loader().stopAllLoaders(); |
992 } | 996 } |
993 | 997 |
994 m_frame->document()->suppressLoadEvent(); | 998 m_frame->document()->suppressLoadEvent(); |
995 if (m_provisionalDocumentLoader) | 999 // Don't stop loading the provisional loader if it is being protected (i.e. |
| 1000 // it is about to be committed) See prepareForCommit() for more details. |
| 1001 if (m_provisionalDocumentLoader && !m_protectProvisionalLoader) |
996 m_provisionalDocumentLoader->stopLoading(); | 1002 m_provisionalDocumentLoader->stopLoading(); |
997 if (m_documentLoader) | 1003 if (m_documentLoader) |
998 m_documentLoader->stopLoading(); | 1004 m_documentLoader->stopLoading(); |
999 m_frame->document()->cancelParsing(); | 1005 m_frame->document()->cancelParsing(); |
1000 | 1006 |
1001 detachDocumentLoader(m_provisionalDocumentLoader); | 1007 if (!m_protectProvisionalLoader) |
| 1008 detachDocumentLoader(m_provisionalDocumentLoader); |
1002 | 1009 |
1003 m_checkTimer.stop(); | 1010 m_checkTimer.stop(); |
1004 m_frame->navigationScheduler().cancel(); | 1011 m_frame->navigationScheduler().cancel(); |
1005 | 1012 |
1006 m_inStopAllLoaders = false; | 1013 m_inStopAllLoaders = false; |
1007 } | 1014 } |
1008 | 1015 |
1009 void FrameLoader::didAccessInitialDocument() | 1016 void FrameLoader::didAccessInitialDocument() |
1010 { | 1017 { |
1011 // We only need to notify the client once, and only for the main frame. | 1018 // We only need to notify the client once, and only for the main frame. |
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1055 client()->dispatchWillClose(); | 1062 client()->dispatchWillClose(); |
1056 dispatchUnloadEvent(); | 1063 dispatchUnloadEvent(); |
1057 } | 1064 } |
1058 m_frame->detachChildren(); | 1065 m_frame->detachChildren(); |
1059 // The previous calls to dispatchUnloadEvent() and detachChildren() can | 1066 // The previous calls to dispatchUnloadEvent() and detachChildren() can |
1060 // execute arbitrary script via things like unload events. If the executed | 1067 // execute arbitrary script via things like unload events. If the executed |
1061 // script intiates a new load or causes the current frame to be detached, | 1068 // script intiates a new load or causes the current frame to be detached, |
1062 // we need to abandon the current load. | 1069 // we need to abandon the current load. |
1063 if (pdl != m_provisionalDocumentLoader) | 1070 if (pdl != m_provisionalDocumentLoader) |
1064 return false; | 1071 return false; |
| 1072 // detachFromFrame() will abort XHRs that haven't completed, which can |
| 1073 // trigger event listeners for 'abort'. These event listeners might call |
| 1074 // window.stop(), which will in turn detach the provisional document loader. |
| 1075 // At this point, the provisional document loader should not detach, because |
| 1076 // then the FrameLoader would not have any attached DocumentLoaders. |
1065 if (m_documentLoader) { | 1077 if (m_documentLoader) { |
1066 FrameNavigationDisabler navigationDisabler(*m_frame); | 1078 FrameNavigationDisabler navigationDisabler(*m_frame); |
| 1079 TemporaryChange<bool> inDetachDocumentLoader(m_protectProvisionalLoader,
true); |
1067 detachDocumentLoader(m_documentLoader); | 1080 detachDocumentLoader(m_documentLoader); |
1068 } | 1081 } |
1069 // detachFromFrame() will abort XHRs that haven't completed, which can | 1082 // 'abort' listeners can also detach the frame. |
1070 // trigger event listeners for 'abort'. These event listeners might detach | |
1071 // the frame. | |
1072 // TODO(dcheng): Investigate if this can be moved above the check that | |
1073 // m_provisionalDocumentLoader hasn't changed. | |
1074 if (!m_frame->client()) | 1083 if (!m_frame->client()) |
1075 return false; | 1084 return false; |
| 1085 ASSERT(m_provisionalDocumentLoader == pdl); |
1076 // No more events will be dispatched so detach the Document. | 1086 // No more events will be dispatched so detach the Document. |
1077 // TODO(yoav): Should we also be nullifying domWindow's document (or domWind
ow) since the doc is now detached? | 1087 // TODO(yoav): Should we also be nullifying domWindow's document (or domWind
ow) since the doc is now detached? |
1078 if (m_frame->document()) | 1088 if (m_frame->document()) |
1079 m_frame->document()->detach(); | 1089 m_frame->document()->detach(); |
1080 m_documentLoader = m_provisionalDocumentLoader.release(); | 1090 m_documentLoader = m_provisionalDocumentLoader.release(); |
1081 | 1091 |
1082 return true; | 1092 return true; |
1083 } | 1093 } |
1084 | 1094 |
1085 void FrameLoader::commitProvisionalLoad() | 1095 void FrameLoader::commitProvisionalLoad() |
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1561 // FIXME: We need a way to propagate insecure requests policy flags to | 1571 // FIXME: We need a way to propagate insecure requests policy flags to |
1562 // out-of-process frames. For now, we'll always use default behavior. | 1572 // out-of-process frames. For now, we'll always use default behavior. |
1563 if (!parentFrame->isLocalFrame()) | 1573 if (!parentFrame->isLocalFrame()) |
1564 return nullptr; | 1574 return nullptr; |
1565 | 1575 |
1566 ASSERT(toLocalFrame(parentFrame)->document()); | 1576 ASSERT(toLocalFrame(parentFrame)->document()); |
1567 return toLocalFrame(parentFrame)->document()->insecureNavigationsToUpgrade()
; | 1577 return toLocalFrame(parentFrame)->document()->insecureNavigationsToUpgrade()
; |
1568 } | 1578 } |
1569 | 1579 |
1570 } // namespace blink | 1580 } // namespace blink |
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