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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 "SessionStorageArea.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameTree.h"
#include "Page.h"
#include "PlatformString.h"
#include "SecurityOrigin.h"
#include "StorageMap.h"
namespace WebCore {
PassRefPtr<SessionStorageArea> SessionStorageArea::copy(SecurityOrigin* origin, Page* page)
{
return adoptRef(new SessionStorageArea(origin, page, this));
}
SessionStorageArea::SessionStorageArea(SecurityOrigin* origin, Page* page)
: StorageArea(origin)
, m_page(page)
{
ASSERT(page);
}
SessionStorageArea::SessionStorageArea(SecurityOrigin* origin, Page* page, SessionStorageArea* area)
: StorageArea(origin, area)
, m_page(page)
{
ASSERT(page);
}
void SessionStorageArea::itemChanged(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame)
{
dispatchStorageEvent(key, oldValue, newValue, sourceFrame);
}
void SessionStorageArea::itemRemoved(const String& key, const String& oldValue, Frame* sourceFrame)
{
dispatchStorageEvent(key, oldValue, String(), sourceFrame);
}
void SessionStorageArea::areaCleared(Frame* sourceFrame)
{
dispatchStorageEvent(String(), String(), String(), sourceFrame);
}
void SessionStorageArea::dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame)
{
// For SessionStorage events, each frame in the page's frametree with the same origin as this StorageArea needs to be notified of the change
Vector<RefPtr<Frame> > frames;
for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
if (frame->document()->securityOrigin()->equal(securityOrigin()))
frames.append(frame);
}
for (unsigned i = 0; i < frames.size(); ++i) {
if (HTMLElement* body = frames[i]->document()->body())
body->dispatchStorageEvent(eventNames().storageEvent, key, oldValue, newValue, sourceFrame);
}
}
} // namespace WebCore
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