LCOV - app.info - objdir/dist/include/nsAsyncDOMEvent.h

LCOV - code coverage report
| Current view: | directory - objdir/dist/include - nsAsyncDOMEvent.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 12 | 4 | 33.3 %
| Date: | 2012-07-07 | Functions: | 5 | 3 | 60.0 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is mozilla.org code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Aaron Leventhal (aaronleventhal@moonset.net)
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2005
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #ifndef nsAsyncDOMEvent_h___
          39                 : #define nsAsyncDOMEvent_h___
          40                 :
          41                 : #include "nsCOMPtr.h"
          42                 : #include "nsThreadUtils.h"
          43                 : #include "nsINode.h"
          44                 : #include "nsIDOMEvent.h"
          45                 : #include "nsString.h"
          46                 : #include "nsIDocument.h"
          47                 :
          48                 : /**
          49                 :  * Use nsAsyncDOMEvent to fire a DOM event that requires safe a stable DOM.
          50                 :  * For example, you may need to fire an event from within layout, but
          51                 :  * want to ensure that the event handler doesn't mutate the DOM at
          52                 :  * the wrong time, in order to avoid resulting instability.
          53                 :  */
          54                 :
          55           17476 : class nsAsyncDOMEvent : public nsRunnable {
          56                 : public:
          57            4325 :   nsAsyncDOMEvent(nsINode *aEventNode, const nsAString& aEventType,
          58                 :                   bool aBubbles, bool aDispatchChromeOnly)
          59                 :     : mEventNode(aEventNode), mEventType(aEventType),
          60                 :       mBubbles(aBubbles),
          61            4325 :       mDispatchChromeOnly(aDispatchChromeOnly)
          62            4325 :   { }
          63                 :
          64               0 :   nsAsyncDOMEvent(nsINode *aEventNode, nsIDOMEvent *aEvent)
          65               0 :     : mEventNode(aEventNode), mEvent(aEvent), mDispatchChromeOnly(false)
          66               0 :   { }
          67                 :
          68                 :   nsAsyncDOMEvent(nsINode *aEventNode, nsEvent &aEvent);
          69                 :
          70                 :   NS_IMETHOD Run();
          71                 :   nsresult PostDOMEvent();
          72                 :   void RunDOMEventWhenSafe();
          73                 :
          74                 :   nsCOMPtr<nsINode>     mEventNode;
          75                 :   nsCOMPtr<nsIDOMEvent> mEvent;
          76                 :   nsString              mEventType;
          77                 :   bool                  mBubbles;
          78                 :   bool                  mDispatchChromeOnly;
          79                 : };
          80                 :
          81                 : class nsLoadBlockingAsyncDOMEvent : public nsAsyncDOMEvent {
          82                 : public:
          83               0 :   nsLoadBlockingAsyncDOMEvent(nsINode *aEventNode, const nsAString& aEventType,
          84                 :                               bool aBubbles, bool aDispatchChromeOnly)
          85                 :     : nsAsyncDOMEvent(aEventNode, aEventType, aBubbles, aDispatchChromeOnly),
          86               0 :       mBlockedDoc(aEventNode->OwnerDoc())
          87                 :   {
          88               0 :     if (mBlockedDoc) {
          89               0 :       mBlockedDoc->BlockOnload();
          90                 :     }
          91               0 :   }
          92                 :
          93                 :   nsLoadBlockingAsyncDOMEvent(nsINode *aEventNode, nsIDOMEvent *aEvent)
          94                 :     : nsAsyncDOMEvent(aEventNode, aEvent),
          95                 :       mBlockedDoc(aEventNode->OwnerDoc())
          96                 :   {
          97                 :     if (mBlockedDoc) {
          98                 :       mBlockedDoc->BlockOnload();
          99                 :     }
         100                 :   }
         101                 :
         102                 :   ~nsLoadBlockingAsyncDOMEvent();
         103                 :
         104                 :   nsCOMPtr<nsIDocument> mBlockedDoc;
         105                 : };
         106                 :
         107                 : #endif

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