1 /*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.webkit.dom;
27
28 import java.security.AccessControlContext;
29 import java.security.AccessController;
30 import netscape.javascript.JSException;
31
32 class JSObject extends netscape.javascript.JSObject {
33 private static final String UNDEFINED = new String("undefined");
34 static final int JS_CONTEXT_OBJECT = 0;
35 static final int JS_DOM_NODE_OBJECT = 1;
36 static final int JS_DOM_WINDOW_OBJECT = 2;
37
38 private final long peer; // C++ peer - now it is the DOMObject instance
39 private final int peer_type; // JS_XXXX const
40
41 JSObject(long peer, int peer_type) {
42 this.peer = peer;
43 this.peer_type = peer_type;
44 }
45
46 long getPeer() {
47 return peer;
48 }
49
50 @Override
51 public Object eval(String s) throws JSException {
52 return evalImpl(peer, peer_type, s);
53 }
54 private static native Object evalImpl(long peer, int peer_type,
55 String name);
56
57 @Override
58 public Object getMember(String name) {
59 return getMemberImpl(peer, peer_type, name);
60 }
61 private static native Object getMemberImpl(long peer, int peer_type,
62 String name);
63
64 @Override
65 public void setMember(String name, Object value) throws JSException {
66 setMemberImpl(peer, peer_type, name, value,
67 AccessController.getContext());
68 }
69 private static native void setMemberImpl(long peer, int peer_type,
70 String name, Object value,
71 AccessControlContext acc);
72
73 @Override
74 public void removeMember(String name) throws JSException {
75 removeMemberImpl(peer, peer_type, name);
76 }
77 private static native void removeMemberImpl(long peer, int peer_type,
78 String name);
79
80 @Override
81 public Object getSlot(int index) throws JSException {
82 return getSlotImpl(peer, peer_type, index);
83 }
84 private static native Object getSlotImpl(long peer, int peer_type,
85 int index);
86
87 @Override
88 public void setSlot(int index, Object value) throws JSException {
89 setSlotImpl(peer, peer_type, index, value,
90 AccessController.getContext());
91 }
92 private static native void setSlotImpl(long peer, int peer_type,
93 int index, Object value,
94 AccessControlContext acc);
95
96 @Override
97 public Object call(String methodName, Object... args) throws JSException {
98 return callImpl(peer, peer_type, methodName, args,
99 AccessController.getContext());
100 }
101 private static native Object callImpl(long peer, int peer_type,
102 String methodName, Object[] args,
103 AccessControlContext acc);
104
105 @Override
106 public String toString() {
107 return toStringImpl(peer, peer_type);
108 }
109 private static native String toStringImpl(long peer, int peer_type);
110
111 @Override
112 public boolean equals(Object other) {
113 return other == this
114 || (other != null && other.getClass() == JSObject.class
115 && peer == ((JSObject) other).peer);
116 }
117
118 @Override
119 public int hashCode() {
120 return (int) (peer ^ (peer >> 17));
121 }
122
123 private static JSException fwkMakeException(Object value) {
124 String msg = value == null ? null : value.toString();
125 // Would like to set wrappedException, but can't do that while
126 // also setting the message. Perhaps we should create a subclass.
127 JSException ex
128 = new JSException(value == null ? null : value.toString());
129 if (value instanceof Throwable)
130 ex.initCause((Throwable) value);
131 return ex;
132 }
133 }