1/*
2 * Copyright (C) 2018 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ApplicationCacheResource.h"
29#include "CachedRawResource.h"
30#include "CachedRawResourceClient.h"
31#include "CachedResourceHandle.h"
32#include <wtf/CompletionHandler.h>
33#include <wtf/RefCounted.h>
34
35namespace WebCore {
36
37class CachedResourceLoader;
38class ResourceRequest;
39
40class ApplicationCacheResourceLoader final : public RefCounted<ApplicationCacheResourceLoader>, private CachedRawResourceClient {
41public:
42 enum class Error { Abort, NetworkError, CannotCreateResource, NotFound, NotOK, RedirectForbidden };
43 using ResourceOrError = Expected<RefPtr<ApplicationCacheResource>, Error>;
44
45 static RefPtr<ApplicationCacheResourceLoader> create(unsigned, CachedResourceLoader&, ResourceRequest&&, CompletionHandler<void(ResourceOrError&&)>&&);
46 ~ApplicationCacheResourceLoader();
47
48 void cancel(Error = Error::Abort);
49
50 const CachedResource* resource() const { return m_resource.get(); }
51 bool hasRedirection() const { return m_hasRedirection; }
52 unsigned type() const { return m_type; }
53
54private:
55 explicit ApplicationCacheResourceLoader(unsigned, CachedResourceHandle<CachedRawResource>&&, CompletionHandler<void(ResourceOrError&&)>&&);
56
57 // CachedRawResourceClient
58 void responseReceived(CachedResource&, const ResourceResponse&, CompletionHandler<void()>&&) final;
59 void dataReceived(CachedResource&, const char* data, int dataLength) final;
60 void redirectReceived(CachedResource&, ResourceRequest&&, const ResourceResponse&, CompletionHandler<void(ResourceRequest&&)>&&) final;
61 void notifyFinished(CachedResource&) final;
62
63 unsigned m_type;
64 CachedResourceHandle<CachedRawResource> m_resource;
65 RefPtr<ApplicationCacheResource> m_applicationCacheResource;
66 CompletionHandler<void(ResourceOrError&&)> m_callback;
67 bool m_hasRedirection { false };
68};
69
70} // namespace WebCore
71