auto import from //depot/cupcake/@135843

1 files changed, 89 insertions, 0 deletions

diff --git a/WebCore/storage/SessionStorageArea.cpp b/WebCore/storage/SessionStorageArea.cpp
new file mode 100644
index 0000000..048c488
--- /dev/null
+++ b/WebCore/storage/SessionStorageArea.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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 (Document* document = frame->document())
+            if (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