1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "StorageEventDispatcherImpl.h" 33 34 #if ENABLE(DOM_STORAGE) 35 36 #include "DOMWindow.h" 37 #include "EventNames.h" 38 #include "Frame.h" 39 #include "KURL.h" 40 #include "Page.h" 41 #include "PageGroup.h" 42 #include "SecurityOrigin.h" 43 #include "StorageEvent.h" 44 45 namespace WebCore { 46 47 StorageEventDispatcherImpl::StorageEventDispatcherImpl(const String& groupName) 48 : m_pageGroup(PageGroup::pageGroup(groupName)) 49 { 50 ASSERT(m_pageGroup); 51 } 52 53 void StorageEventDispatcherImpl::dispatchStorageEvent(const String& key, const String& oldValue, 54 const String& newValue, SecurityOrigin* securityOrigin, 55 const KURL& url, StorageType storageType) 56 { 57 // FIXME: Implement 58 if (storageType == SessionStorage) 59 return; 60 61 // 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 62 // of any given page in the group or mutate the page group itself. 63 Vector<RefPtr<Frame> > frames; 64 65 const HashSet<Page*>& pages = m_pageGroup->pages(); 66 HashSet<Page*>::const_iterator end = pages.end(); 67 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) { 68 for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext()) { 69 if (frame->document()->securityOrigin()->equal(securityOrigin)) 70 frames.append(frame); 71 } 72 } 73 74 for (unsigned i = 0; i < frames.size(); ++i) { 75 ExceptionCode ec = 0; 76 Storage* storage = frames[i]->domWindow()->localStorage(ec); 77 if (!ec) 78 frames[i]->document()->dispatchWindowEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, url, storage)); 79 } 80 } 81 82 } // namespace WebCore 83 84 #endif // ENABLE(DOM_STORAGE) 85
