LCOV - code coverage report
Current view: directory - objdir/dist/include/mozilla/jsipc - ContextWrapperParent.h (source / functions) Found Hit Coverage
Test: app.info Lines: 27 0 0.0 %
Date: 2012-06-02 Functions: 9 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  * vim: set ts=8 sw=4 et tw=80:
       3                 :  *
       4                 :  * ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is mozilla.org code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  * The Mozilla Foundation.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Ben Newman <b{enjam,newma}n@mozilla.com> (original author)
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #ifndef mozilla_jsipc_ContextWrapperParent_h__
      42                 : #define mozilla_jsipc_ContextWrapperParent_h__
      43                 : 
      44                 : #include "mozilla/jsipc/PContextWrapperParent.h"
      45                 : #include "mozilla/jsipc/ObjectWrapperParent.h"
      46                 : #include "mozilla/jsipc/CPOWTypes.h"
      47                 : 
      48                 : #include "mozilla/dom/ContentParent.h"
      49                 : 
      50                 : #include "jsapi.h"
      51                 : #include "nsAutoJSValHolder.h"
      52                 : 
      53                 : namespace mozilla {
      54                 : namespace jsipc {
      55                 : 
      56                 : using mozilla::dom::ContentParent;
      57                 :     
      58                 : class ContextWrapperParent
      59                 :     : public PContextWrapperParent
      60               0 : {
      61                 : public:
      62                 : 
      63               0 :     ContextWrapperParent(ContentParent* cpp)
      64                 :         : mContent(cpp)
      65               0 :         , mGlobal(NULL)
      66               0 :     {}
      67                 : 
      68               0 :     JSBool GetGlobalJSObject(JSContext* cx, JSObject** globalp) {
      69               0 :         if (!mGlobal)
      70               0 :             return JS_FALSE;
      71               0 :         mGlobalHolder.Hold(cx);
      72               0 :         mGlobalHolder = *globalp = mGlobal->GetJSObject(cx);
      73               0 :         return JS_TRUE;
      74                 :     }
      75                 : 
      76               0 :     ObjectWrapperParent* GetGlobalObjectWrapper() const {
      77               0 :         return mGlobal;
      78                 :     }
      79                 : 
      80               0 :     bool RequestRunToCompletion() {
      81               0 :         return mContent->RequestRunToCompletion();
      82                 :     }
      83                 : 
      84                 : private:
      85                 : 
      86                 :     ContentParent* mContent;
      87                 :     ObjectWrapperParent* mGlobal;
      88                 :     nsAutoJSValHolder mGlobalHolder;
      89                 : 
      90               0 :     PObjectWrapperParent* AllocPObjectWrapper(const bool&) {
      91               0 :         return new ObjectWrapperParent();
      92                 :     }
      93                 : 
      94               0 :     bool RecvPObjectWrapperConstructor(PObjectWrapperParent* actor,
      95                 :                                        const bool& makeGlobal)
      96                 :     {
      97               0 :         if (makeGlobal) {
      98               0 :             mGlobalHolder.Release();
      99               0 :             mGlobal = static_cast<ObjectWrapperParent*>(actor);
     100                 :         }
     101               0 :         return true;
     102                 :     }
     103                 : 
     104               0 :     bool DeallocPObjectWrapper(PObjectWrapperParent* actor)
     105                 :     {
     106               0 :         if (mGlobal &&
     107                 :             mGlobal == static_cast<ObjectWrapperParent*>(actor)) {
     108               0 :             mGlobalHolder.Release();
     109               0 :             mGlobal = NULL;
     110                 :         }
     111               0 :         delete actor;
     112               0 :         return true;
     113                 :     }
     114                 : 
     115                 : };
     116                 : 
     117                 : }}
     118                 : 
     119                 : #endif

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