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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32
33 #if ENABLE(EVENTSOURCE)
34 #include "V8EventSource.h"
35
36 #include "EventSource.h"
37 #include "Frame.h"
38 #include "V8Binding.h"
39 #include "V8Proxy.h"
40 #include "V8Utilities.h"
41 #include "WorkerContext.h"
42 #include "WorkerContextExecutionProxy.h"
43
44 namespace WebCore {
45
constructorCallback(const v8::Arguments & args)46 v8::Handle<v8::Value> V8EventSource::constructorCallback(const v8::Arguments& args)
47 {
48 INC_STATS("DOM.EventSource.Constructor");
49
50 if (!args.IsConstructCall())
51 return throwError("DOM object constructor cannot be called as a function.", V8Proxy::TypeError);
52
53 // Expect one parameter.
54 // Allocate an EventSource object as its internal field.
55 ScriptExecutionContext* context = getScriptExecutionContext();
56 if (!context)
57 return throwError("EventSource constructor's associated context is not available", V8Proxy::ReferenceError);
58 if (args.Length() != 1)
59 return throwError("EventSource constructor wrong number of parameters", V8Proxy::TypeError);
60
61 ExceptionCode ec = 0;
62 String url = toWebCoreString(args[0]);
63
64 RefPtr<EventSource> eventSource = EventSource::create(url, context, ec);
65
66 if (ec)
67 return throwError(ec);
68
69 V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::EVENTSOURCE), eventSource.get());
70
71 // Add object to the wrapper map.
72 eventSource->ref();
73 V8DOMWrapper::setJSWrapperForActiveDOMObject(eventSource.get(), v8::Persistent<v8::Object>::New(args.Holder()));
74 return args.Holder();
75 }
76
77 } // namespace WebCore
78
79 #endif // ENABLE(EVENTSOURCE)
80