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
36namespace WebCore {
37
38class Blob;
39class FetchLoaderClient;
40class FetchRequest;
41class ScriptExecutionContext;
42
43class FetchLoader final : public ThreadableLoaderClient {
44public:
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
57private:
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
64private:
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