2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
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11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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27 #include "SessionStorageArea.h"
29 #if ENABLE(DOM_STORAGE)
31 #include "EventNames.h"
33 #include "FrameTree.h"
34 #include "HTMLElement.h"
36 #include "PlatformString.h"
37 #include "SecurityOrigin.h"
38 #include "StorageEvent.h"
39 #include "StorageMap.h"
43 PassRefPtr<SessionStorageArea> SessionStorageArea::copy(SecurityOrigin* origin, Page* page)
45 return adoptRef(new SessionStorageArea(origin, page, this));
48 SessionStorageArea::SessionStorageArea(SecurityOrigin* origin, Page* page)
55 SessionStorageArea::SessionStorageArea(SecurityOrigin* origin, Page* page, SessionStorageArea* area)
56 : StorageArea(origin, area)
62 void SessionStorageArea::itemChanged(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame)
64 dispatchStorageEvent(key, oldValue, newValue, sourceFrame);
67 void SessionStorageArea::itemRemoved(const String& key, const String& oldValue, Frame* sourceFrame)
69 dispatchStorageEvent(key, oldValue, String(), sourceFrame);
72 void SessionStorageArea::areaCleared(Frame* sourceFrame)
74 dispatchStorageEvent(String(), String(), String(), sourceFrame);
77 void SessionStorageArea::dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame)
79 // For SessionStorage events, each frame in the page's frametree with the same origin as this StorageArea needs to be notified of the change
80 Vector<RefPtr<Frame> > frames;
81 for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
82 if (frame->document()->securityOrigin()->equal(securityOrigin()))
86 for (unsigned i = 0; i < frames.size(); ++i)
87 frames[i]->document()->dispatchWindowEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, sourceFrame->document()->documentURI(), sourceFrame->domWindow(), frames[i]->domWindow()->sessionStorage()));
90 } // namespace WebCore
92 #endif // ENABLE(DOM_STORAGE)