| /* |
| * 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 |