LCOV - code coverage report
Current view: directory - objdir/dist/include/mozilla/jsipc - ContextWrapperChild.h (source / functions) Found Hit Coverage
Test: app.info Lines: 23 0 0.0 %
Date: 2012-06-02 Functions: 8 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_ContextWrapperChild_h__
      42                 : #define mozilla_jsipc_ContextWrapperChild_h__
      43                 : 
      44                 : #include "mozilla/jsipc/PContextWrapperChild.h"
      45                 : #include "mozilla/jsipc/ObjectWrapperChild.h"
      46                 : 
      47                 : #include "jsapi.h"
      48                 : #include "nsClassHashtable.h"
      49                 : #include "nsHashKeys.h"
      50                 : 
      51                 : namespace mozilla {
      52                 : namespace jsipc {
      53                 : 
      54                 : class ContextWrapperChild
      55                 :     : public PContextWrapperChild
      56               0 : {
      57                 : public:
      58                 : 
      59               0 :     ContextWrapperChild(JSContext* cx)
      60               0 :         : mContext(cx)
      61                 :     {
      62               0 :         mResidentObjectTable.Init();
      63               0 :     }
      64                 : 
      65               0 :     JSContext* GetContext() { return mContext; }
      66                 : 
      67               0 :     PObjectWrapperChild* GetOrCreateWrapper(JSObject* obj,
      68                 :                                             bool makeGlobal = false)
      69                 :     {
      70               0 :         if (!obj) // Don't wrap nothin'!
      71               0 :             return NULL;
      72                 :         PObjectWrapperChild* wrapper;
      73               0 :         while (!mResidentObjectTable.Get(obj, &wrapper)) {
      74                 :             wrapper = SendPObjectWrapperConstructor(AllocPObjectWrapper(obj),
      75               0 :                                                     makeGlobal);
      76               0 :             if (wrapper)
      77               0 :                 mResidentObjectTable.Put(obj, wrapper);
      78                 :             else
      79               0 :                 return NULL;
      80                 :         }
      81               0 :         return wrapper;
      82                 :     }
      83                 : 
      84                 : protected:
      85                 : 
      86               0 :     PObjectWrapperChild* AllocPObjectWrapper(JSObject* obj) {
      87               0 :         return new ObjectWrapperChild(mContext, obj);
      88                 :     }
      89                 :     
      90               0 :     PObjectWrapperChild* AllocPObjectWrapper(const bool&) {
      91               0 :         return AllocPObjectWrapper(JS_GetGlobalObject(mContext));
      92                 :     }
      93                 : 
      94               0 :     bool DeallocPObjectWrapper(PObjectWrapperChild* actor) {
      95               0 :         ObjectWrapperChild* owc = static_cast<ObjectWrapperChild*>(actor);
      96               0 :         mResidentObjectTable.Remove(owc->GetJSObject());
      97               0 :         return true;
      98                 :     }
      99                 : 
     100                 : private:
     101                 : 
     102                 :     JSContext* const mContext;
     103                 : 
     104                 :     nsClassHashtable<nsPtrHashKey<JSObject>,
     105                 :                      PObjectWrapperChild> mResidentObjectTable;
     106                 : 
     107                 : };
     108                 : 
     109                 : }}
     110                 : 
     111                 : #endif

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