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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 "ScriptExecutionContext.h"
     37 #include "WorkerThread.h"
     38 #include <wtf/OwnPtr.h>
     39 #include <wtf/PassRefPtr.h>
     40 #include <wtf/RefCounted.h>
     41 #include <wtf/RefPtr.h>
     42 
     43 #if ENABLE(NOTIFICATIONS)
     44 
     45 namespace WebCore {
     46 
     47     class NotificationCenter : public RefCounted<NotificationCenter>, public ActiveDOMObject {
     48     public:
     49         static PassRefPtr<NotificationCenter> create(ScriptExecutionContext* context, NotificationPresenter* presenter) { return adoptRef(new NotificationCenter(context, presenter)); }
     50 
     51         PassRefPtr<Notification> createHTMLNotification(const String& URI, ExceptionCode& ec)
     52         {
     53             if (!presenter()) {
     54                 ec = INVALID_STATE_ERR;
     55                 return 0;
     56             }
     57             if (URI.isEmpty()) {
     58                 ec = SYNTAX_ERR;
     59                 return 0;
     60             }
     61             return Notification::create(scriptExecutionContext()->completeURL(URI), scriptExecutionContext(), ec, this);
     62         }
     63 
     64         PassRefPtr<Notification> createNotification(const String& iconURI, const String& title, const String& body, ExceptionCode& ec)
     65         {
     66             if (!presenter()) {
     67                 ec = INVALID_STATE_ERR;
     68                 return 0;
     69             }
     70             NotificationContents contents(iconURI.isEmpty() ? KURL() : scriptExecutionContext()->completeURL(iconURI), title, body);
     71             return Notification::create(contents, scriptExecutionContext(), ec, this);
     72         }
     73 
     74         NotificationPresenter* presenter() const { return m_notificationPresenter; }
     75 
     76         int checkPermission();
     77         void requestPermission(PassRefPtr<VoidCallback> callback);
     78 
     79         void disconnectFrame();
     80 
     81     private:
     82         NotificationCenter(ScriptExecutionContext*, NotificationPresenter*);
     83 
     84         NotificationPresenter* m_notificationPresenter;
     85     };
     86 
     87 } // namespace WebCore
     88 
     89 #endif // ENABLE(NOTIFICATIONS)
     90 
     91 #endif // NotificationCenter_h
     92