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/*
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* Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "PageGroupLoadDeferrer.h"
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#include "Frame.h"
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#include "Page.h"
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#include "PageGroup.h"
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#include <wtf/HashSet.h>
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namespace WebCore {
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using namespace std;
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PageGroupLoadDeferrer::PageGroupLoadDeferrer(Page* page, bool deferSelf)
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{
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const HashSet<Page*>& pages = page->group().pages();
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HashSet<Page*>::const_iterator end = pages.end();
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for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
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Page* otherPage = *it;
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if ((deferSelf || otherPage != page)) {
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if (!otherPage->defersLoading())
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m_deferredFrames.append(otherPage->mainFrame());
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// This code is not logically part of load deferring, but we do not want JS code executed beneath modal
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// windows or sheets, which is exactly when PageGroupLoadDeferrer is used.
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for (Frame* frame = otherPage->mainFrame(); frame; frame = frame->tree()->traverseNext())
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frame->document()->suspendActiveDOMObjects();
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}
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}
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size_t count = m_deferredFrames.size();
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for (size_t i = 0; i < count; ++i)
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if (Page* page = m_deferredFrames[i]->page())
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page->setDefersLoading(true);
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}
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PageGroupLoadDeferrer::~PageGroupLoadDeferrer()
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{
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for (size_t i = 0; i < m_deferredFrames.size(); ++i) {
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if (Page* page = m_deferredFrames[i]->page()) {
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page->setDefersLoading(false);
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for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext())
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frame->document()->resumeActiveDOMObjects();
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}
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}
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}
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} // namespace WebCore
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