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/ScopeChain.h>
     36 #include <runtime/JSLock.h>
     37 #include <runtime/JSObject.h>
     38 
     39 namespace JSC {
     40 namespace Bindings {
     41 
     42 JSValue CField::valueFromInstance(ExecState* exec, const Instance* inst) const
     43 {
     44     const CInstance* instance = static_cast<const CInstance*>(inst);
     45     NPObject* obj = instance->getObject();
     46     if (obj->_class->getProperty) {
     47         NPVariant property;
     48         VOID_TO_NPVARIANT(property);
     49 
     50         bool result;
     51         {
     52             JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
     53             result = obj->_class->getProperty(obj, _fieldIdentifier, &property);
     54             CInstance::moveGlobalExceptionToExecState(exec);
     55         }
     56         if (result) {
     57             JSValue result = convertNPVariantToValue(exec, &property, instance->rootObject());
     58             _NPN_ReleaseVariantValue(&property);
     59             return result;
     60         }
     61     }
     62     return jsUndefined();
     63 }
     64 
     65 void CField::setValueToInstance(ExecState *exec, const Instance *inst, JSValue aValue) const
     66 {
     67     const CInstance* instance = static_cast<const CInstance*>(inst);
     68     NPObject* obj = instance->getObject();
     69     if (obj->_class->setProperty) {
     70         NPVariant variant;
     71         convertValueToNPVariant(exec, aValue, &variant);
     72 
     73         {
     74             JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
     75             obj->_class->setProperty(obj, _fieldIdentifier, &variant);
     76             CInstance::moveGlobalExceptionToExecState(exec);
     77         }
     78 
     79         _NPN_ReleaseVariantValue(&variant);
     80     }
     81 }
     82 
     83 } }
     84 
     85 #endif // ENABLE(NETSCAPE_PLUGIN_API)
     86