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 "Frame.h"
25 #include "Page.h"
26 #include "PageGroup.h"
27 #include <wtf/HashSet.h>
28
29 namespace WebCore {
30
31 using namespace std;
32
PageGroupLoadDeferrer(Page * page,bool deferSelf)33 PageGroupLoadDeferrer::PageGroupLoadDeferrer(Page* page, bool deferSelf)
34 {
35 const HashSet<Page*>& pages = page->group().pages();
36
37 HashSet<Page*>::const_iterator end = pages.end();
38 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
39 Page* otherPage = *it;
40 if ((deferSelf || otherPage != page)) {
41 if (!otherPage->defersLoading())
42 m_deferredFrames.append(otherPage->mainFrame());
43
44 #if !PLATFORM(MAC)
45 for (Frame* frame = otherPage->mainFrame(); frame; frame = frame->tree()->traverseNext())
46 frame->document()->suspendActiveDOMObjects();
47 #endif
48 }
49 }
50
51 size_t count = m_deferredFrames.size();
52 for (size_t i = 0; i < count; ++i)
53 if (Page* page = m_deferredFrames[i]->page())
54 page->setDefersLoading(true);
55 }
56
~PageGroupLoadDeferrer()57 PageGroupLoadDeferrer::~PageGroupLoadDeferrer()
58 {
59 for (size_t i = 0; i < m_deferredFrames.size(); ++i) {
60 if (Page* page = m_deferredFrames[i]->page()) {
61 page->setDefersLoading(false);
62
63 #if !PLATFORM(MAC)
64 for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext())
65 frame->document()->resumeActiveDOMObjects();
66 #endif
67 }
68 }
69 }
70
71
72 } // namespace WebCore
73