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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) | 3 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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248 DOMWindowSet::iterator it = set.Find(dom_window); | 248 DOMWindowSet::iterator it = set.Find(dom_window); |
249 if (it == set.end()) | 249 if (it == set.end()) |
250 return; | 250 return; |
251 set.RemoveAll(it); | 251 set.RemoveAll(it); |
252 if (set.IsEmpty()) { | 252 if (set.IsEmpty()) { |
253 UpdateSuddenTerminationStatus(dom_window, false, | 253 UpdateSuddenTerminationStatus(dom_window, false, |
254 LocalFrameClient::kBeforeUnloadHandler); | 254 LocalFrameClient::kBeforeUnloadHandler); |
255 } | 255 } |
256 } | 256 } |
257 | 257 |
| 258 static bool AllowsBeforeUnloadListeners(LocalDOMWindow* window) { |
| 259 DCHECK(window); |
| 260 LocalFrame* frame = window->GetFrame(); |
| 261 if (!frame) |
| 262 return false; |
| 263 return frame->IsMainFrame(); |
| 264 } |
| 265 |
258 unsigned LocalDOMWindow::PendingUnloadEventListeners() const { | 266 unsigned LocalDOMWindow::PendingUnloadEventListeners() const { |
259 return WindowsWithUnloadEventListeners().Count( | 267 return WindowsWithUnloadEventListeners().Count( |
260 const_cast<LocalDOMWindow*>(this)); | 268 const_cast<LocalDOMWindow*>(this)); |
261 } | 269 } |
262 | 270 |
263 bool LocalDOMWindow::AllowPopUp(LocalFrame& first_frame) { | 271 bool LocalDOMWindow::AllowPopUp(LocalFrame& first_frame) { |
264 if (UserGestureIndicator::UtilizeUserGesture()) | 272 if (UserGestureIndicator::UtilizeUserGesture()) |
265 return true; | 273 return true; |
266 | 274 |
267 Settings* settings = first_frame.GetSettings(); | 275 Settings* settings = first_frame.GetSettings(); |
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1433 | 1441 |
1434 for (auto& it : event_listener_observers_) { | 1442 for (auto& it : event_listener_observers_) { |
1435 it->DidAddEventListener(this, event_type); | 1443 it->DidAddEventListener(this, event_type); |
1436 } | 1444 } |
1437 | 1445 |
1438 if (event_type == EventTypeNames::unload) { | 1446 if (event_type == EventTypeNames::unload) { |
1439 UseCounter::Count(document(), UseCounter::kDocumentUnloadRegistered); | 1447 UseCounter::Count(document(), UseCounter::kDocumentUnloadRegistered); |
1440 AddUnloadEventListener(this); | 1448 AddUnloadEventListener(this); |
1441 } else if (event_type == EventTypeNames::beforeunload) { | 1449 } else if (event_type == EventTypeNames::beforeunload) { |
1442 UseCounter::Count(document(), UseCounter::kDocumentBeforeUnloadRegistered); | 1450 UseCounter::Count(document(), UseCounter::kDocumentBeforeUnloadRegistered); |
1443 AddBeforeUnloadEventListener(this); | 1451 if (AllowsBeforeUnloadListeners(this)) { |
1444 if (GetFrame() && !GetFrame()->IsMainFrame()) | 1452 // This is confusingly named. It doesn't actually add the listener. It |
| 1453 // just increments a count so that we know we have listeners registered |
| 1454 // for the purposes of determining if we can fast terminate the renderer |
| 1455 // process. |
| 1456 AddBeforeUnloadEventListener(this); |
| 1457 } else { |
| 1458 // Subframes return false from allowsBeforeUnloadListeners. |
1445 UseCounter::Count(document(), | 1459 UseCounter::Count(document(), |
1446 UseCounter::kSubFrameBeforeUnloadRegistered); | 1460 UseCounter::kSubFrameBeforeUnloadRegistered); |
| 1461 } |
1447 } | 1462 } |
1448 } | 1463 } |
1449 | 1464 |
1450 void LocalDOMWindow::RemovedEventListener( | 1465 void LocalDOMWindow::RemovedEventListener( |
1451 const AtomicString& event_type, | 1466 const AtomicString& event_type, |
1452 const RegisteredEventListener& registered_listener) { | 1467 const RegisteredEventListener& registered_listener) { |
1453 DOMWindow::RemovedEventListener(event_type, registered_listener); | 1468 DOMWindow::RemovedEventListener(event_type, registered_listener); |
1454 if (GetFrame() && GetFrame()->GetPage()) | 1469 if (GetFrame() && GetFrame()->GetPage()) |
1455 GetFrame()->GetPage()->GetEventHandlerRegistry().DidRemoveEventHandler( | 1470 GetFrame()->GetPage()->GetEventHandlerRegistry().DidRemoveEventHandler( |
1456 *this, event_type, registered_listener.Options()); | 1471 *this, event_type, registered_listener.Options()); |
1457 | 1472 |
1458 for (auto& it : event_listener_observers_) { | 1473 for (auto& it : event_listener_observers_) { |
1459 it->DidRemoveEventListener(this, event_type); | 1474 it->DidRemoveEventListener(this, event_type); |
1460 } | 1475 } |
1461 | 1476 |
1462 if (event_type == EventTypeNames::unload) { | 1477 if (event_type == EventTypeNames::unload) { |
1463 RemoveUnloadEventListener(this); | 1478 RemoveUnloadEventListener(this); |
1464 } else if (event_type == EventTypeNames::beforeunload) { | 1479 } else if (event_type == EventTypeNames::beforeunload && |
| 1480 AllowsBeforeUnloadListeners(this)) { |
1465 RemoveBeforeUnloadEventListener(this); | 1481 RemoveBeforeUnloadEventListener(this); |
1466 } | 1482 } |
1467 } | 1483 } |
1468 | 1484 |
1469 void LocalDOMWindow::WarnUnusedPreloads(TimerBase* base) { | 1485 void LocalDOMWindow::WarnUnusedPreloads(TimerBase* base) { |
1470 if (GetFrame() && GetFrame()->Loader().GetDocumentLoader()) { | 1486 if (GetFrame() && GetFrame()->Loader().GetDocumentLoader()) { |
1471 ResourceFetcher* fetcher = | 1487 ResourceFetcher* fetcher = |
1472 GetFrame()->Loader().GetDocumentLoader()->Fetcher(); | 1488 GetFrame()->Loader().GetDocumentLoader()->Fetcher(); |
1473 DCHECK(fetcher); | 1489 DCHECK(fetcher); |
1474 if (fetcher->CountPreloads()) | 1490 if (fetcher->CountPreloads()) |
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1663 DOMWindow::Trace(visitor); | 1679 DOMWindow::Trace(visitor); |
1664 Supplementable<LocalDOMWindow>::Trace(visitor); | 1680 Supplementable<LocalDOMWindow>::Trace(visitor); |
1665 } | 1681 } |
1666 | 1682 |
1667 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) { | 1683 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) { |
1668 visitor->TraceWrappers(custom_elements_); | 1684 visitor->TraceWrappers(custom_elements_); |
1669 DOMWindow::TraceWrappers(visitor); | 1685 DOMWindow::TraceWrappers(visitor); |
1670 } | 1686 } |
1671 | 1687 |
1672 } // namespace blink | 1688 } // namespace blink |
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