1/*
2 * Copyright (C) 2017 Apple 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''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <WebCore/ResourceRequest.h>
29#include <wtf/Deque.h>
30#include <wtf/RefCounted.h>
31
32namespace WebCore {
33class ResourceError;
34class ResourceLoader;
35class ResourceResponse;
36}
37
38namespace WebKit {
39
40class WebURLSchemeHandlerProxy;
41
42class WebURLSchemeTaskProxy : public RefCounted<WebURLSchemeTaskProxy> {
43public:
44 static Ref<WebURLSchemeTaskProxy> create(WebURLSchemeHandlerProxy& handler, WebCore::ResourceLoader& loader)
45 {
46 return adoptRef(*new WebURLSchemeTaskProxy(handler, loader));
47 }
48
49 const WebCore::ResourceRequest& request() const { return m_request; }
50
51 void startLoading();
52 void stopLoading();
53
54 void didPerformRedirection(WebCore::ResourceResponse&&, WebCore::ResourceRequest&&);
55 void didReceiveResponse(const WebCore::ResourceResponse&);
56 void didReceiveData(size_t, const uint8_t* data);
57 void didComplete(const WebCore::ResourceError&);
58
59 unsigned long identifier() const { return m_identifier; }
60
61private:
62 WebURLSchemeTaskProxy(WebURLSchemeHandlerProxy&, WebCore::ResourceLoader&);
63 bool hasLoader();
64
65 void queueTask(Function<void()>&& task) { m_queuedTasks.append(WTFMove(task)); }
66 void processNextPendingTask();
67
68 WebURLSchemeHandlerProxy& m_urlSchemeHandler;
69 RefPtr<WebCore::ResourceLoader> m_coreLoader;
70 WebCore::ResourceRequest m_request;
71 unsigned long m_identifier;
72 bool m_waitingForCompletionHandler { false };
73 Deque<Function<void()>> m_queuedTasks;
74};
75
76} // namespace WebKit
77