Home | History | Annotate | Download | only in c 
      1 /*
      2  * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #if ENABLE(NETSCAPE_PLUGIN_API)
     29 
     30 #include "c_runtime.h"
     31 
     32 #include "c_instance.h"
     33 #include "c_utility.h"
     34 #include "npruntime_impl.h"
     35 #include <runtime/JSLock.h>
     36 
     37 namespace JSC {
     38 namespace Bindings {
     39 
     40 JSValue CField::valueFromInstance(ExecState* exec, const Instance* inst) const
     41 {
     42     const CInstance* instance = static_cast<const CInstance*>(inst);
     43     NPObject* obj = instance->getObject();
     44     if (obj->_class->getProperty) {
     45         NPVariant property;
     46         VOID_TO_NPVARIANT(property);
     47 
     48         bool result;
     49         {
     50             JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
     51             result = obj->_class->getProperty(obj, _fieldIdentifier, &property);
     52             CInstance::moveGlobalExceptionToExecState(exec);
     53         }
     54         if (result) {
     55             JSValue result = convertNPVariantToValue(exec, &property, instance->rootObject());
     56             _NPN_ReleaseVariantValue(&property);
     57             return result;
     58         }
     59     }
     60     return jsUndefined();
     61 }
     62 
     63 void CField::setValueToInstance(ExecState *exec, const Instance *inst, JSValue aValue) const
     64 {
     65     const CInstance* instance = static_cast<const CInstance*>(inst);
     66     NPObject* obj = instance->getObject();
     67     if (obj->_class->setProperty) {
     68         NPVariant variant;
     69         convertValueToNPVariant(exec, aValue, &variant);
     70 
     71         {
     72             JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
     73             obj->_class->setProperty(obj, _fieldIdentifier, &variant);
     74             CInstance::moveGlobalExceptionToExecState(exec);
     75         }
     76 
     77         _NPN_ReleaseVariantValue(&variant);
     78     }
     79 }
     80 
     81 } }
     82 
     83 #endif // ENABLE(NETSCAPE_PLUGIN_API)
     84