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diff --git a/WebCore/notifications/NotificationPresenter.h b/WebCore/notifications/NotificationPresenter.h
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+/*
+ * Copyright (C) 2009 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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.
+ */
+
+#ifndef NotificationPresenter_h
+#define NotificationPresenter_h
+
+#include <wtf/PassRefPtr.h>
+#include "VoidCallback.h"
+
+#if ENABLE(NOTIFICATIONS)
+
+namespace WebCore {
+
+    class Notification;
+    class SecurityOrigin;
+    class String;
+    
+    class NotificationPresenter {
+
+    public:
+        enum Permission { 
+            PERMISSION_ALLOWED,     // User has allowed notifications
+            PERMISSION_NOT_ALLOWED, // User has not yet allowed
+            PERMISSION_DENIED       // User has explictly denied permission
+        };
+
+        virtual ~NotificationPresenter() {}
+
+        // Requests that a notification be shown.
+        virtual bool show(Notification* object) = 0;
+
+        // Requests that a notification that has already been shown be canceled.
+        virtual void cancel(Notification* object) = 0;
+
+        // Informs the presenter that a Notification object has been destroyed 
+        // (such as by a page transition).  The presenter may continue showing
+        // the notification, but must not attempt to call the event handlers.
+        virtual void notificationObjectDestroyed(Notification* object) = 0;
+
+        // Requests user permission to show desktop notifications from a particular
+        // origin.  The callback parameter should be run when the user has
+        // made a decision.
+        virtual void requestPermission(SecurityOrigin* origin, PassRefPtr<VoidCallback> callback) = 0;
+
+        // Checks the current level of permission.
+        virtual Permission checkPermission(SecurityOrigin* origin) = 0;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(NOTIFICATIONS)
+
+#endif // NotificationPresenter_h