1/*
2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
3 * Copyright (C) 2009, 2011 Google Inc. All Rights Reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28#ifndef WorkerScriptLoader_h
29#define WorkerScriptLoader_h
30
31#if ENABLE(WORKERS)
32
33#include "KURL.h"
34#include "ResourceRequest.h"
35#include "ResourceResponse.h"
36#include "TextResourceDecoder.h"
37#include "ThreadableLoader.h"
38#include "ThreadableLoaderClient.h"
39
40namespace WebCore {
41
42    class ScriptExecutionContext;
43    class WorkerScriptLoaderClient;
44
45    class WorkerScriptLoader : public ThreadableLoaderClient {
46    public:
47        explicit WorkerScriptLoader(ResourceRequestBase::TargetType);
48
49        void loadSynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy);
50        void loadAsynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy, WorkerScriptLoaderClient*);
51
52        void notifyError();
53
54        const String& script() const { return m_script; }
55        const KURL& url() const { return m_url; }
56        const KURL& responseURL() const;
57        bool failed() const { return m_failed; }
58        unsigned long identifier() const { return m_identifier; }
59
60        virtual void didReceiveResponse(const ResourceResponse&);
61        virtual void didReceiveData(const char* data, int dataLength);
62        virtual void didFinishLoading(unsigned long identifier, double);
63        virtual void didFail(const ResourceError&);
64        virtual void didFailRedirectCheck();
65        virtual void didReceiveAuthenticationCancellation(const ResourceResponse&);
66
67    private:
68        PassOwnPtr<ResourceRequest> createResourceRequest();
69        void notifyFinished();
70
71        WorkerScriptLoaderClient* m_client;
72        RefPtr<ThreadableLoader> m_threadableLoader;
73        String m_responseEncoding;
74        RefPtr<TextResourceDecoder> m_decoder;
75        String m_script;
76        KURL m_url;
77        KURL m_responseURL;
78        bool m_failed;
79        unsigned long m_identifier;
80        ResourceRequestBase::TargetType m_targetType;
81    };
82
83} // namespace WebCore
84
85#endif // ENABLE(WORKERS)
86
87#endif // WorkerScriptLoader_h
88