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
39namespace JSC {
40namespace Bindings {
41
42JSValue 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
65void 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