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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 #include "config.h"
     33 
     34 #if ENABLE(NOTIFICATIONS)
     35 
     36 #include "Notification.h"
     37 #include "NotificationContents.h"
     38 
     39 #include "Document.h"
     40 #include "EventNames.h"
     41 #include "WorkerContext.h"
     42 
     43 namespace WebCore {
     44 
     45 Notification::Notification(const String& url, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider)
     46     : ActiveDOMObject(context, this)
     47     , m_isHTML(true)
     48     , m_isShowing(false)
     49     , m_presenter(provider)
     50 {
     51     ASSERT(m_presenter);
     52     Document* document = context->isDocument() ? static_cast<Document*>(context) : 0;
     53     if (m_presenter->checkPermission(context->url(), document) != NotificationPresenter::PermissionAllowed) {
     54         ec = SECURITY_ERR;
     55         return;
     56     }
     57 
     58     m_notificationURL = context->completeURL(url);
     59     if (url.isEmpty() || !m_notificationURL.isValid()) {
     60         ec = SYNTAX_ERR;
     61         return;
     62     }
     63 }
     64 
     65 Notification::Notification(const NotificationContents& contents, ScriptExecutionContext* context, ExceptionCode& ec, NotificationPresenter* provider)
     66     : ActiveDOMObject(context, this)
     67     , m_isHTML(false)
     68     , m_contents(contents)
     69     , m_isShowing(false)
     70     , m_presenter(provider)
     71 {
     72     ASSERT(m_presenter);
     73     Document* document = context->isDocument() ? static_cast<Document*>(context) : 0;
     74     if (m_presenter->checkPermission(context->url(), document) != NotificationPresenter::PermissionAllowed) {
     75         ec = SECURITY_ERR;
     76         return;
     77     }
     78 
     79     KURL icon = context->completeURL(contents.icon());
     80     if (!icon.isEmpty() && !icon.isValid()) {
     81         ec = SYNTAX_ERR;
     82         return;
     83     }
     84 }
     85 
     86 Notification::~Notification()
     87 {
     88     m_presenter->notificationObjectDestroyed(this);
     89 }
     90 
     91 void Notification::show()
     92 {
     93     // prevent double-showing
     94     if (!m_isShowing)
     95         m_isShowing = m_presenter->show(this);
     96 }
     97 
     98 void Notification::cancel()
     99 {
    100     if (m_isShowing)
    101         m_presenter->cancel(this);
    102 }
    103 
    104 EventTargetData* Notification::eventTargetData()
    105 {
    106     return &m_eventTargetData;
    107 }
    108 
    109 EventTargetData* Notification::ensureEventTargetData()
    110 {
    111     return &m_eventTargetData;
    112 }
    113 
    114 } // namespace WebCore
    115 
    116 #endif // ENABLE(NOTIFICATIONS)
    117