LCOV - code coverage report
Current view: directory - dom/workers - Navigator.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 47 0 0.0 %
Date: 2012-06-02 Functions: 9 0 0.0 %

       1                 : /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
       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 Web Workers.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  *   The Mozilla Foundation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Ben Turner <bent.mozilla@gmail.com> (Original Author)
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #include "Navigator.h"
      40                 : 
      41                 : #include "jsapi.h"
      42                 : #include "jsfriendapi.h"
      43                 : 
      44                 : #include "nsTraceRefcnt.h"
      45                 : 
      46                 : #include "RuntimeService.h"
      47                 : 
      48                 : #define PROPERTY_FLAGS \
      49                 :   (JSPROP_ENUMERATE | JSPROP_SHARED)
      50                 : 
      51                 : USING_WORKERS_NAMESPACE
      52                 : 
      53                 : namespace {
      54                 : 
      55                 : class Navigator
      56                 : {
      57                 :   static JSClass sClass;
      58                 :   static JSPropertySpec sProperties[];
      59                 : 
      60                 :   enum SLOT {
      61                 :     SLOT_appName = 0,
      62                 :     SLOT_appVersion,
      63                 :     SLOT_platform,
      64                 :     SLOT_userAgent,
      65                 : 
      66                 :     SLOT_COUNT
      67                 :   };
      68                 : 
      69                 : public:
      70                 :   static JSObject*
      71               0 :   InitClass(JSContext* aCx, JSObject* aObj)
      72                 :   {
      73                 :     return JS_InitClass(aCx, aObj, NULL, &sClass, Construct, 0, sProperties,
      74               0 :                         NULL, NULL, NULL);
      75                 :   }
      76                 : 
      77                 :   static JSObject*
      78               0 :   Create(JSContext* aCx)
      79                 :   {
      80               0 :     RuntimeService* rts = RuntimeService::GetService();
      81               0 :     JS_ASSERT(rts);
      82                 : 
      83                 :     const RuntimeService::NavigatorStrings& strings =
      84               0 :       rts->GetNavigatorStrings();
      85                 : 
      86                 :     JSString* appName, *version, *platform, *userAgent;
      87                 : 
      88                 : #define COPY_STRING(_jsstr, _str)                                              \
      89                 :   if (strings. _str .IsEmpty()) {                                              \
      90                 :     _jsstr = NULL;                                                             \
      91                 :   }                                                                            \
      92                 :   else if (!(_jsstr = JS_NewUCStringCopyN(aCx, strings. _str .get(),           \
      93                 :                                           strings. _str .Length()))) {         \
      94                 :     return NULL;                                                               \
      95                 :   }
      96                 : 
      97               0 :     COPY_STRING(appName, mAppName);
      98               0 :     COPY_STRING(version, mAppVersion);
      99               0 :     COPY_STRING(platform, mPlatform);
     100               0 :     COPY_STRING(userAgent, mUserAgent);
     101                 : 
     102                 : #undef COPY_STRING
     103                 : 
     104               0 :     JSObject* obj = JS_NewObject(aCx, &sClass, NULL, NULL);
     105               0 :     if (!obj) {
     106               0 :       return NULL;
     107                 :     }
     108                 : 
     109               0 :     jsval empty = JS_GetEmptyStringValue(aCx);
     110                 : 
     111                 :     JS_SetReservedSlot(obj, SLOT_appName,
     112               0 :                        appName ? STRING_TO_JSVAL(appName) : empty);
     113                 :     JS_SetReservedSlot(obj, SLOT_appVersion,
     114               0 :                        version ? STRING_TO_JSVAL(version) : empty);
     115                 :     JS_SetReservedSlot(obj, SLOT_platform,
     116               0 :                        platform ? STRING_TO_JSVAL(platform) : empty);
     117                 :     JS_SetReservedSlot(obj, SLOT_userAgent,
     118               0 :                        userAgent ? STRING_TO_JSVAL(userAgent) : empty);
     119                 : 
     120               0 :     Navigator* priv = new Navigator();
     121               0 :     JS_SetPrivate(obj, priv);
     122                 : 
     123               0 :     return obj;
     124                 :   }
     125                 : 
     126                 : private:
     127               0 :   Navigator()
     128                 :   {
     129               0 :     MOZ_COUNT_CTOR(mozilla::dom::workers::Navigator);
     130               0 :   }
     131                 : 
     132               0 :   ~Navigator()
     133                 :   {
     134               0 :     MOZ_COUNT_DTOR(mozilla::dom::workers::Navigator);
     135               0 :   }
     136                 : 
     137                 :   static JSBool
     138               0 :   Construct(JSContext* aCx, unsigned aArgc, jsval* aVp)
     139                 :   {
     140                 :     JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL, JSMSG_WRONG_CONSTRUCTOR,
     141               0 :                          sClass.name);
     142               0 :     return false;
     143                 :   }
     144                 : 
     145                 :   static void
     146               0 :   Finalize(JSContext* aCx, JSObject* aObj)
     147                 :   {
     148               0 :     JS_ASSERT(JS_GetClass(aObj) == &sClass);
     149               0 :     delete static_cast<Navigator*>(JS_GetPrivate(aObj));
     150               0 :   }
     151                 : 
     152                 :   static JSBool
     153               0 :   GetProperty(JSContext* aCx, JSObject* aObj, jsid aIdval, jsval* aVp)
     154                 :   {
     155               0 :     JSClass* classPtr = JS_GetClass(aObj);
     156               0 :     if (classPtr != &sClass) {
     157                 :       JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL,
     158                 :                            JSMSG_INCOMPATIBLE_PROTO, sClass.name, "GetProperty",
     159               0 :                            classPtr->name);
     160               0 :       return false;
     161                 :     }
     162                 : 
     163               0 :     JS_ASSERT(JSID_IS_INT(aIdval));
     164               0 :     JS_ASSERT(JSID_TO_INT(aIdval) >= 0 && JSID_TO_INT(aIdval) < SLOT_COUNT);
     165                 : 
     166               0 :     *aVp = JS_GetReservedSlot(aObj, JSID_TO_INT(aIdval));
     167               0 :     return true;
     168                 :   }
     169                 : };
     170                 : 
     171                 : JSClass Navigator::sClass = {
     172                 :   "WorkerNavigator",
     173                 :   JSCLASS_HAS_PRIVATE | JSCLASS_HAS_RESERVED_SLOTS(SLOT_COUNT),
     174                 :   JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
     175                 :   JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, Finalize,
     176                 :   JSCLASS_NO_OPTIONAL_MEMBERS
     177                 : };
     178                 : 
     179                 : JSPropertySpec Navigator::sProperties[] = {
     180                 :   { "appName", SLOT_appName, PROPERTY_FLAGS, GetProperty, 
     181                 :     js_GetterOnlyPropertyStub },
     182                 :   { "appVersion", SLOT_appVersion, PROPERTY_FLAGS, GetProperty, 
     183                 :     js_GetterOnlyPropertyStub },
     184                 :   { "platform", SLOT_platform, PROPERTY_FLAGS, GetProperty, 
     185                 :     js_GetterOnlyPropertyStub },
     186                 :   { "userAgent", SLOT_userAgent, PROPERTY_FLAGS, GetProperty, 
     187                 :     js_GetterOnlyPropertyStub },
     188                 :   { 0, 0, 0, NULL, NULL }
     189                 : };
     190                 : 
     191                 : } // anonymous namespace
     192                 : 
     193                 : BEGIN_WORKERS_NAMESPACE
     194                 : 
     195                 : namespace navigator {
     196                 : 
     197                 : bool
     198               0 : InitClass(JSContext* aCx, JSObject* aGlobal)
     199                 : {
     200               0 :   return !!Navigator::InitClass(aCx, aGlobal);
     201                 : }
     202                 : 
     203                 : JSObject*
     204               0 : Create(JSContext* aCx)
     205                 : {
     206               0 :   return Navigator::Create(aCx);
     207                 : }
     208                 : 
     209                 : } // namespace navigator
     210                 : 
     211                 : END_WORKERS_NAMESPACE

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