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
valueFromInstance(ExecState * exec,const Instance * inst) const42 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
setValueToInstance(ExecState * exec,const Instance * inst,JSValue aValue) const65 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