2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
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5 * modification, are permitted provided that the following conditions
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27 #include "StorageEventDispatcher.h"
29 #if ENABLE(DOM_STORAGE)
32 #include "DOMWindow.h"
33 #include "EventNames.h"
36 #include "PageGroup.h"
37 #include "SecurityOrigin.h"
38 #include "StorageEvent.h"
42 void StorageEventDispatcher::dispatch(const String& key, const String& oldValue, const String& newValue, StorageType storageType, SecurityOrigin* securityOrigin, Frame* sourceFrame)
44 Page* page = sourceFrame->page();
48 // 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
49 // of any given page in the group or mutate the page group itself.
50 Vector<RefPtr<Frame> > frames;
51 if (storageType == SessionStorage) {
52 // Send events only to our page.
53 for (Frame* frame = page->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
54 if (sourceFrame != frame && frame->document()->securityOrigin()->equal(securityOrigin))
58 for (unsigned i = 0; i < frames.size(); ++i) {
60 Storage* storage = frames[i]->domWindow()->sessionStorage(ec);
62 frames[i]->document()->enqueueWindowEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, sourceFrame->document()->url(), storage));
65 // Send events to every page.
66 const HashSet<Page*>& pages = page->group().pages();
67 HashSet<Page*>::const_iterator end = pages.end();
68 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
69 for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
70 if (sourceFrame != frame && frame->document()->securityOrigin()->equal(securityOrigin))
75 for (unsigned i = 0; i < frames.size(); ++i) {
77 Storage* storage = frames[i]->domWindow()->localStorage(ec);
79 frames[i]->document()->enqueueWindowEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, sourceFrame->document()->url(), storage));
86 #endif // ENABLE(DOM_STORAGE)