--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/notifications/NotificationPresenter.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,85 @@
+/*
+ * 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 Document;
+    class Notification;
+    class KURL;
+    class ScriptExecutionContext;
+    class String;
+
+    class NotificationPresenter {
+
+    public:
+        enum Permission {
+            PermissionAllowed, // User has allowed notifications
+            PermissionNotAllowed, // User has not yet allowed
+            PermissionDenied // User has explicitly denied permission
+        };
+
+        virtual ~NotificationPresenter() {}
+
+        // Requests that a notification be shown.
+        virtual bool show(Notification*) = 0;
+
+        // Requests that a notification that has already been shown be canceled.
+        virtual void cancel(Notification*) = 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*) = 0;
+
+        // Requests user permission to show desktop notifications from a particular
+        // script context. The callback parameter should be run when the user has
+        // made a decision.
+        virtual void requestPermission(ScriptExecutionContext*, PassRefPtr<VoidCallback>) = 0;
+
+        // Cancel all outstanding requests for the ScriptExecutionContext
+        virtual void cancelRequestsForPermission(ScriptExecutionContext*) = 0;
+
+        // Checks the current level of permission.
+        virtual Permission checkPermission(ScriptExecutionContext*) = 0;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(NOTIFICATIONS)
+
+#endif // NotificationPresenter_h