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1 /*
2  * Copyright (C) 2010, Google 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 INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #include "config.h"
26 
27 #if ENABLE(WEB_AUDIO)
28 
29 #include "JSAudioNode.h"
30 
31 #include "AudioNode.h"
32 #include <runtime/Error.h>
33 
34 namespace WebCore {
35 
connect(JSC::ExecState * exec)36 JSC::JSValue JSAudioNode::connect(JSC::ExecState* exec)
37 {
38     if (exec->argumentCount() < 1)
39         return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
40 
41     unsigned outputIndex = 0;
42     unsigned inputIndex = 0;
43 
44     AudioNode* destinationNode = toAudioNode(exec->argument(0));
45     if (!destinationNode)
46         return throwError(exec, createSyntaxError(exec, "Invalid destination node"));
47 
48     if (exec->argumentCount() > 1)
49         outputIndex = exec->argument(1).toInt32(exec);
50 
51     if (exec->argumentCount() > 2)
52         inputIndex = exec->argument(2).toInt32(exec);
53 
54     AudioNode* audioNode = static_cast<AudioNode*>(impl());
55     bool success = audioNode->connect(destinationNode, outputIndex, inputIndex);
56     if (!success)
57         return throwError(exec, createSyntaxError(exec, "Invalid index parameter"));
58 
59     return JSC::jsUndefined();
60 }
61 
disconnect(JSC::ExecState * exec)62 JSC::JSValue JSAudioNode::disconnect(JSC::ExecState* exec)
63 {
64     unsigned outputIndex = 0;
65     if (exec->argumentCount() > 0)
66         outputIndex = exec->argument(0).toInt32(exec);
67 
68     AudioNode* audioNode = static_cast<AudioNode*>(impl());
69     audioNode->disconnect(outputIndex);
70     return JSC::jsUndefined();
71 }
72 
73 } // namespace WebCore
74 
75 #endif // ENABLE(WEB_AUDIO)
76