jni_objc.mm revision 635860845790a19bf50bbc51ba8fb66a96dde068 
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(MAC_JAVA_BRIDGE)
29
30#import <Foundation/Foundation.h>
31#import "jni_utility.h"
32#import "objc_utility.h"
33#include <runtime/JSLock.h>
34
35using namespace JSC::Bindings;
36
37@interface NSObject (WebScriptingPrivate)
38- (jvalue)webPlugInCallJava:(jobject)object method:(jmethodID)method returnType:(JNIType)returnType arguments:(jvalue*)args;
39- (jvalue)webPlugInCallJava:(jobject)object
40                   isStatic:(BOOL)isStatic
41                 returnType:(JNIType)returnType
42                     method:(jmethodID)method
43                  arguments:(jvalue*)args
44                 callingURL:(NSURL *)url
45       exceptionDescription:(NSString **)exceptionString;
46@end
47
48bool JSC::Bindings::dispatchJNICall(ExecState* exec, const void* targetAppletView, jobject obj, bool isStatic, JNIType returnType, jmethodID methodID, jvalue* args, jvalue &result, const char*, JSValuePtr& exceptionDescription)
49{
50    id view = (id)targetAppletView;
51
52    // As array_type is not known by the Mac JVM, change it to a compatible type.
53    if (returnType == array_type)
54        returnType = object_type;
55
56    if ([view respondsToSelector:@selector(webPlugInCallJava:isStatic:returnType:method:arguments:callingURL:exceptionDescription:)]) {
57        NSString *_exceptionDescription = 0;
58
59        // Passing nil as the calling URL will cause the Java plugin to use the URL
60        // of the page that contains the applet. The execution restrictions
61        // implemented in WebCore will guarantee that only appropriate JavaScript
62        // can reference the applet.
63        {
64           JSLock::DropAllLocks dropAllLocks(false);
65            result = [view webPlugInCallJava:obj isStatic:isStatic returnType:returnType method:methodID arguments:args callingURL:nil exceptionDescription:&_exceptionDescription];
66        }
67
68        if (_exceptionDescription != 0) {
69            exceptionDescription = convertNSStringToString(exec, _exceptionDescription);
70        }
71        return true;
72    }
73    else if ([view respondsToSelector:@selector(webPlugInCallJava:method:returnType:arguments:)]) {
74        JSLock::DropAllLocks dropAllLocks(false);
75        result = [view webPlugInCallJava:obj method:methodID returnType:returnType arguments:args];
76        return true;
77    }
78
79    bzero (&result, sizeof(jvalue));
80    return false;
81}
82
83#endif // ENABLE(MAC_JAVA_BRIDGE)
84