1 | /* |
2 | * Copyright (C) 2016 Canon Inc. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted, provided that the following conditions |
6 | * are required to be met: |
7 | * |
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 | * 3. Neither the name of Canon Inc. nor the names of |
14 | * its contributors may be used to endorse or promote products derived |
15 | * from this software without specific prior written permission. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 | * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR |
21 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #pragma once |
30 | |
31 | #include "FetchBodyConsumer.h" |
32 | #include "ThreadableLoader.h" |
33 | #include "ThreadableLoaderClient.h" |
34 | #include <wtf/URL.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | class Blob; |
39 | class FetchLoaderClient; |
40 | class FetchRequest; |
41 | class ScriptExecutionContext; |
42 | |
43 | class FetchLoader final : public ThreadableLoaderClient { |
44 | public: |
45 | FetchLoader(FetchLoaderClient&, FetchBodyConsumer*); |
46 | ~FetchLoader(); |
47 | |
48 | RefPtr<SharedBuffer> startStreaming(); |
49 | |
50 | void start(ScriptExecutionContext&, const FetchRequest&); |
51 | void start(ScriptExecutionContext&, const Blob&); |
52 | void startLoadingBlobURL(ScriptExecutionContext&, const URL& blobURL); |
53 | void stop(); |
54 | |
55 | bool isStarted() const { return m_isStarted; } |
56 | |
57 | private: |
58 | // ThreadableLoaderClient API. |
59 | void didReceiveResponse(unsigned long, const ResourceResponse&) final; |
60 | void didReceiveData(const char*, int) final; |
61 | void didFinishLoading(unsigned long) final; |
62 | void didFail(const ResourceError&) final; |
63 | |
64 | private: |
65 | FetchLoaderClient& m_client; |
66 | RefPtr<ThreadableLoader> m_loader; |
67 | FetchBodyConsumer* m_consumer; |
68 | bool m_isStarted { false }; |
69 | URL m_urlForReading; |
70 | }; |
71 | |
72 | } // namespace WebCore |
73 | |