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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "StorageEventDispatcher.h"
#if ENABLE(DOM_STORAGE)
#include "DOMWindow.h"
#include "EventNames.h"
#include "Frame.h"
#include "Page.h"
#include "PageGroup.h"
#include "SecurityOrigin.h"
#include "StorageEvent.h"
namespace WebCore {
void StorageEventDispatcher::dispatch(const String& key, const String& oldValue, const String& newValue, StorageType storageType, SecurityOrigin* securityOrigin, Frame* sourceFrame)
{
Page* page = sourceFrame->page();
if (!page)
return;
// We need to copy all relevant frames from every page to a vector since sending the event to one frame might mutate the frame tree
// of any given page in the group or mutate the page group itself.
Vector<RefPtr<Frame> > frames;
if (storageType == SessionStorage) {
// Send events only to our page.
for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
if (sourceFrame != frame && frame->document()->securityOrigin()->equal(securityOrigin))
frames.append(frame);
}
for (unsigned i = 0; i < frames.size(); ++i) {
ExceptionCode ec = 0;
Storage* storage = frames[i]->domWindow()->sessionStorage(ec);
if (!ec)
frames[i]->document()->enqueueEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, sourceFrame->document()->url(), storage));
}
} else {
// Send events to every page.
const HashSet<Page*>& pages = page->group().pages();
HashSet<Page*>::const_iterator end = pages.end();
for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
if (sourceFrame != frame && frame->document()->securityOrigin()->equal(securityOrigin))
frames.append(frame);
}
}
for (unsigned i = 0; i < frames.size(); ++i) {
ExceptionCode ec = 0;
Storage* storage = frames[i]->domWindow()->localStorage(ec);
if (!ec)
frames[i]->document()->enqueueEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, sourceFrame->document()->url(), storage));
}
}
}
}
#endif // ENABLE(DOM_STORAGE)
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