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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  * Copyright (C) 2009 Apple Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef Notification_h
     33 #define Notification_h
     34 
     35 #include "ActiveDOMObject.h"
     36 #include "AtomicStringHash.h"
     37 #include "Event.h"
     38 #include "EventListener.h"
     39 #include "EventNames.h"
     40 #include "EventTarget.h"
     41 #include "ExceptionCode.h"
     42 #include "KURL.h"
     43 #include "NotificationPresenter.h"
     44 #include "NotificationContents.h"
     45 #include "RegisteredEventListener.h"
     46 #include <wtf/OwnPtr.h>
     47 #include <wtf/PassRefPtr.h>
     48 #include <wtf/RefCounted.h>
     49 #include <wtf/RefPtr.h>
     50 
     51 #if ENABLE(NOTIFICATIONS)
     52 namespace WebCore {
     53 
     54     class WorkerContext;
     55 
     56     class Notification : public RefCounted<Notification>, public ActiveDOMObject, public EventTarget {
     57     public:
     58         static Notification* create(const String& url, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider) { return new Notification(url, context, ec, provider); }
     59         static Notification* create(const NotificationContents& contents, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider) { return new Notification(contents, context, ec, provider); }
     60 
     61         virtual ~Notification();
     62 
     63         void show();
     64         void cancel();
     65 
     66         bool isHTML() { return m_isHTML; }
     67         KURL url() { return m_notificationURL; }
     68         NotificationContents& contents() { return m_contents; }
     69 
     70         DEFINE_ATTRIBUTE_EVENT_LISTENER(display);
     71         DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     72         DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
     73 
     74         using RefCounted<Notification>::ref;
     75         using RefCounted<Notification>::deref;
     76 
     77         // EventTarget interface
     78         virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
     79         virtual Notification* toNotification() { return this; }
     80 
     81     private:
     82         Notification(const String& url, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider);
     83         Notification(const NotificationContents& fields, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider);
     84 
     85         // EventTarget interface
     86         virtual void refEventTarget() { ref(); }
     87         virtual void derefEventTarget() { deref(); }
     88         virtual EventTargetData* eventTargetData();
     89         virtual EventTargetData* ensureEventTargetData();
     90 
     91         bool m_isHTML;
     92         KURL m_notificationURL;
     93         NotificationContents m_contents;
     94 
     95         bool m_isShowing;
     96 
     97         NotificationPresenter* m_presenter;
     98 
     99         EventTargetData m_eventTargetData;
    100     };
    101 
    102 } // namespace WebCore
    103 
    104 #endif // ENABLE(NOTIFICATIONS)
    105 
    106 #endif // Notifications_h
    107