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32 #include "StorageEventDispatcherImpl.h"
34 #include "DOMWindow.h"
36 #include "EventNames.h"
40 #include "PageGroup.h"
41 #include "SecurityOrigin.h"
42 #include "StorageEvent.h"
46 StorageEventDispatcherImpl::StorageEventDispatcherImpl(const String& groupName)
47 : m_pageGroup(PageGroup::pageGroup(groupName))
52 void StorageEventDispatcherImpl::dispatchStorageEvent(const String& key, const String& oldValue,
53 const String& newValue, SecurityOrigin* securityOrigin,
54 const KURL& url, StorageType storageType)
57 if (storageType == SessionStorage)
60 // 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
61 // of any given page in the group or mutate the page group itself.
62 Vector<RefPtr<Frame> > frames;
64 const HashSet<Page*>& pages = m_pageGroup->pages();
65 HashSet<Page*>::const_iterator end = pages.end();
66 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) {
67 for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
68 if (frame->document()->securityOrigin()->equal(securityOrigin))
73 for (unsigned i = 0; i < frames.size(); ++i) {
75 Storage* storage = frames[i]->domWindow()->localStorage(ec);
77 frames[i]->document()->dispatchWindowEvent(StorageEvent::create(eventNames().storageEvent, key, oldValue, newValue, url, storage));
81 } // namespace WebCore