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| 1 /* | |
| 2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) | |
| 4 * | |
| 5 * This library is free software; you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Library General Public | |
| 7 * License as published by the Free Software Foundation; either | |
| 8 * version 2 of the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This library is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Library General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Library General Public License | |
| 16 * along with this library; see the file COPYING.LIB. If not, write to | |
| 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 18 * Boston, MA 02110-1301, USA. | |
| 19 */ | |
| 20 | |
| 21 #include "core/page/ScopedPageLoadDeferrer.h" | |
| 22 | |
| 23 #include "core/dom/Document.h" | |
| 24 #include "core/loader/FrameLoader.h" | |
| 25 #include "core/page/Page.h" | |
| 26 #include "platform/heap/Handle.h" | |
| 27 #include "public/platform/Platform.h" | |
| 28 #include "public/platform/WebScheduler.h" | |
| 29 #include "wtf/StdLibExtras.h" | |
| 30 #include "wtf/Vector.h" | |
| 31 | |
| 32 namespace blink { | |
| 33 | |
| 34 namespace { | |
| 35 | |
| 36 unsigned s_deferralCount = 0; | |
| 37 | |
| 38 void setDefersLoading(bool isDeferred) { | |
| 39 // Make a copy of the collection. Undeferring loads can cause script to run, | |
| 40 // which would mutate ordinaryPages() in the middle of iteration. | |
| 41 HeapVector<Member<Page>> pages; | |
| 42 copyToVector(Page::ordinaryPages(), pages); | |
| 43 for (const auto& page : pages) | |
| 44 page->setDefersLoading(isDeferred); | |
| 45 } | |
| 46 | |
| 47 } // namespace | |
| 48 | |
| 49 ScopedPageLoadDeferrer::ScopedPageLoadDeferrer() { | |
| 50 if (++s_deferralCount > 1) | |
| 51 return; | |
| 52 | |
| 53 setDefersLoading(true); | |
| 54 Platform::current()->currentThread()->scheduler()->suspendTimerQueue(); | |
| 55 } | |
| 56 | |
| 57 ScopedPageLoadDeferrer::~ScopedPageLoadDeferrer() { | |
| 58 if (--s_deferralCount > 0) | |
| 59 return; | |
| 60 | |
| 61 setDefersLoading(false); | |
| 62 Platform::current()->currentThread()->scheduler()->resumeTimerQueue(); | |
| 63 } | |
| 64 | |
| 65 bool ScopedPageLoadDeferrer::isActive() { | |
| 66 return s_deferralCount > 0; | |
| 67 } | |
| 68 | |
| 69 } // namespace blink | |
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Chromium Code Reviews
Issue 2526163002:
Rename blink::Page's load deferral to suspension (Closed)
