LCOV - code coverage report
Current view: directory - objdir/dist/include/mozilla/jsipc - ObjectWrapperParent.h (source / functions) Found Hit Coverage
Test: app.info Lines: 15 0 0.0 %
Date: 2012-06-02 Functions: 13 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_ObjectWrapperParent_h__
      42                 : #define mozilla_jsipc_ObjectWrapperParent_h__
      43                 : 
      44                 : #include "mozilla/jsipc/PObjectWrapperParent.h"
      45                 : #include "jsapi.h"
      46                 : #include "jsclass.h"
      47                 : #include "nsAutoJSValHolder.h"
      48                 : 
      49                 : namespace mozilla {
      50                 : namespace jsipc {
      51                 : 
      52                 : class ContextWrapperParent;
      53                 : 
      54               0 : class OperationChecker {
      55                 : public:
      56                 :     virtual void CheckOperation(JSContext* cx,
      57                 :                                 OperationStatus* status) = 0;
      58                 : };
      59                 : 
      60                 : class ObjectWrapperParent
      61                 :     : public PObjectWrapperParent
      62                 :     , public OperationChecker
      63               0 : {
      64                 : public:
      65                 : 
      66               0 :     ObjectWrapperParent()
      67               0 :         : mObj(NULL)
      68               0 :     {}
      69                 : 
      70                 :     JSObject* GetJSObject(JSContext* cx) const;
      71                 : 
      72               0 :     JSObject* GetJSObjectOrNull() const {
      73               0 :         return mObj;
      74                 :     }
      75                 : 
      76                 :     jsval GetJSVal(JSContext* cx) const {
      77                 :         return OBJECT_TO_JSVAL(GetJSObject(cx));
      78                 :     }
      79                 : 
      80                 :     void CheckOperation(JSContext* cx,
      81                 :                         OperationStatus* status);
      82                 : 
      83                 :     static const js::Class sCPOW_JSClass;
      84                 : 
      85                 : protected:
      86                 : 
      87                 :     void ActorDestroy(ActorDestroyReason why);
      88                 : 
      89                 :     ContextWrapperParent* Manager();
      90                 : 
      91                 : private:
      92                 : 
      93                 :     mutable JSObject* mObj;
      94                 : 
      95                 :     static JSBool
      96                 :     CPOW_AddProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
      97                 : 
      98                 :     static JSBool
      99                 :     CPOW_DelProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
     100                 : 
     101                 :     static JSBool
     102                 :     CPOW_GetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
     103                 :     
     104                 :     static JSBool
     105                 :     CPOW_SetProperty(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
     106                 : 
     107                 :     JSBool NewEnumerateInit(JSContext* cx, jsval* statep, jsid* idp);
     108                 :     JSBool NewEnumerateNext(JSContext* cx, jsval* statep, jsid* idp);
     109                 :     JSBool NewEnumerateDestroy(JSContext* cx, jsval state);
     110                 :     static JSBool
     111                 :     CPOW_NewEnumerate(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
     112                 :                       jsval *statep, jsid *idp);
     113                 : 
     114                 :     static JSBool
     115                 :     CPOW_NewResolve(JSContext *cx, JSObject *obj, jsid id, unsigned flags,
     116                 :                     JSObject **objp);
     117                 : 
     118                 :     static JSBool
     119                 :     CPOW_Convert(JSContext *cx, JSObject *obj, JSType type, jsval *vp);
     120                 : 
     121                 :     static void
     122                 :     CPOW_Finalize(JSContext* cx, JSObject* obj);
     123                 : 
     124                 :     static JSBool
     125                 :     CPOW_Call(JSContext* cx, unsigned argc, jsval* vp);
     126                 : 
     127                 :     static JSBool
     128                 :     CPOW_Construct(JSContext *cx, unsigned argc, jsval *vp);
     129                 :     
     130                 :     static JSBool
     131                 :     CPOW_HasInstance(JSContext *cx, JSObject *obj, const jsval *v, JSBool *bp);
     132                 : 
     133                 :     static JSBool
     134                 :     CPOW_Equality(JSContext *cx, JSObject *obj, const jsval *v, JSBool *bp);
     135                 : 
     136                 :     static bool jsval_to_JSVariant(JSContext* cx, jsval from, JSVariant* to);
     137                 :     static bool jsval_from_JSVariant(JSContext* cx, const JSVariant& from,
     138                 :                                      jsval* to);
     139                 :     static bool
     140                 :     JSObject_to_PObjectWrapperParent(JSObject* from, PObjectWrapperParent** to);
     141                 :     static bool
     142                 :     JSObject_from_PObjectWrapperParent(JSContext* cx,
     143                 :                                        const PObjectWrapperParent* from,
     144                 :                                        JSObject** to);
     145                 :     static bool
     146                 :     jsval_from_PObjectWrapperParent(JSContext* cx,
     147                 :                                     const PObjectWrapperParent* from,
     148                 :                                     jsval* to);
     149                 : };
     150                 : 
     151                 : template <class StatusOwnerPolicy>
     152                 : class AutoCheckOperationBase
     153                 :     : public StatusOwnerPolicy
     154                 : {
     155                 :     JSContext* const mContext;
     156                 :     OperationChecker* const mChecker;
     157                 : 
     158                 : protected:
     159                 : 
     160               0 :     AutoCheckOperationBase(JSContext* cx,
     161                 :                            OperationChecker* checker)
     162                 :         : mContext(cx)
     163               0 :         , mChecker(checker)
     164               0 :     {}
     165                 : 
     166               0 :     virtual ~AutoCheckOperationBase() {
     167               0 :         mChecker->CheckOperation(mContext, StatusOwnerPolicy::StatusPtr());
     168               0 :     }
     169                 : 
     170                 : public:
     171                 : 
     172               0 :     bool Ok() {
     173                 :         return (StatusOwnerPolicy::StatusPtr()->type() == OperationStatus::TJSBool &&
     174               0 :                 StatusOwnerPolicy::StatusPtr()->get_JSBool());
     175                 :     }
     176                 : };
     177                 : 
     178                 : }}
     179                 : 
     180                 : #endif

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