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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef NotificationCenter_h
     32 #define NotificationCenter_h
     33 
     34 #include "Notification.h"
     35 #include "NotificationContents.h"
     36 #include "WorkerThread.h"
     37 #include <wtf/OwnPtr.h>
     38 #include <wtf/PassRefPtr.h>
     39 #include <wtf/RefCounted.h>
     40 #include <wtf/RefPtr.h>
     41 
     42 #if ENABLE(NOTIFICATIONS)
     43 
     44 namespace WebCore {
     45 
     46     class ScriptExecutionContext;
     47 
     48     class NotificationCenter : public RefCounted<NotificationCenter>, public ActiveDOMObject {
     49     public:
     50         static PassRefPtr<NotificationCenter> create(ScriptExecutionContext* context, NotificationPresenter* presenter) { return adoptRef(new NotificationCenter(context, presenter)); }
     51 
     52         Notification* createHTMLNotification(const String& URI, ExceptionCode& ec)
     53         {
     54             if (!presenter()) {
     55                 ec = INVALID_STATE_ERR;
     56                 return 0;
     57             }
     58             return Notification::create(KURL(ParsedURLString, URI), context(), ec, presenter());
     59         }
     60 
     61         Notification* createNotification(const String& iconURI, const String& title, const String& body, ExceptionCode& ec)
     62         {
     63             if (!presenter()) {
     64                 ec = INVALID_STATE_ERR;
     65                 return 0;
     66             }
     67             NotificationContents contents(iconURI, title, body);
     68             return Notification::create(contents, context(), ec, presenter());
     69         }
     70 
     71         ScriptExecutionContext* context() const { return m_scriptExecutionContext; }
     72         NotificationPresenter* presenter() const { return m_notificationPresenter; }
     73 
     74         int checkPermission();
     75         void requestPermission(PassRefPtr<VoidCallback> callback);
     76 
     77         void disconnectFrame() { m_notificationPresenter = 0; }
     78 
     79     private:
     80         NotificationCenter(ScriptExecutionContext*, NotificationPresenter*);
     81 
     82         ScriptExecutionContext* m_scriptExecutionContext;
     83         NotificationPresenter* m_notificationPresenter;
     84     };
     85 
     86 } // namespace WebCore
     87 
     88 #endif // ENABLE(NOTIFICATIONS)
     89 
     90 #endif // NotificationCenter_h
     91