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 "config.h" |
22 | #include "PageGroupLoadDeferrer.h" |
23 | |
24 | #include "Document.h" |
25 | #include "DocumentParser.h" |
26 | #include "Frame.h" |
27 | #include "Page.h" |
28 | #include "PageGroup.h" |
29 | #include "ScriptRunner.h" |
30 | |
31 | namespace WebCore { |
32 | |
33 | PageGroupLoadDeferrer::PageGroupLoadDeferrer(Page& page, bool deferSelf) |
34 | { |
35 | for (auto& otherPage : page.group().pages()) { |
36 | if ((deferSelf || otherPage != &page)) { |
37 | if (!otherPage->defersLoading()) { |
38 | m_deferredFrames.append(&otherPage->mainFrame()); |
39 | |
40 | // This code is not logically part of load deferring, but we do not want JS code executed beneath modal |
41 | // windows or sheets, which is exactly when PageGroupLoadDeferrer is used. |
42 | for (Frame* frame = &otherPage->mainFrame(); frame; frame = frame->tree().traverseNext()) |
43 | frame->document()->suspendScheduledTasks(ReasonForSuspension::WillDeferLoading); |
44 | } |
45 | } |
46 | } |
47 | |
48 | for (auto& deferredFrame : m_deferredFrames) { |
49 | if (Page* page = deferredFrame->page()) |
50 | page->setDefersLoading(true); |
51 | } |
52 | } |
53 | |
54 | PageGroupLoadDeferrer::~PageGroupLoadDeferrer() |
55 | { |
56 | for (auto& deferredFrame : m_deferredFrames) { |
57 | if (Page* page = deferredFrame->page()) { |
58 | page->setDefersLoading(false); |
59 | |
60 | for (Frame* frame = &page->mainFrame(); frame; frame = frame->tree().traverseNext()) |
61 | frame->document()->resumeScheduledTasks(ReasonForSuspension::WillDeferLoading); |
62 | } |
63 | } |
64 | } |
65 | |
66 | |
67 | } // namespace WebCore |
68 | |