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