1/*
2 * Copyright (C) 2010 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#ifndef DownloadManager_h
27#define DownloadManager_h
28
29#include <wtf/Forward.h>
30#include <wtf/HashMap.h>
31#include <wtf/Noncopyable.h>
32
33namespace WebCore {
34class ResourceHandle;
35class ResourceRequest;
36class ResourceResponse;
37}
38
39namespace CoreIPC {
40class Connection;
41}
42
43namespace WebKit {
44
45class AuthenticationManager;
46class Download;
47class WebPage;
48
49class DownloadManager {
50    WTF_MAKE_NONCOPYABLE(DownloadManager);
51
52public:
53    class Client {
54    public:
55        virtual ~Client() { }
56
57        virtual void didCreateDownload() = 0;
58        virtual void didDestroyDownload() = 0;
59        virtual CoreIPC::Connection* downloadProxyConnection() = 0;
60        virtual AuthenticationManager& downloadsAuthenticationManager() = 0;
61    };
62
63    explicit DownloadManager(Client*);
64
65    void startDownload(uint64_t downloadID, const WebCore::ResourceRequest&);
66    void convertHandleToDownload(uint64_t downloadID, WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceResponse&);
67
68    void cancelDownload(uint64_t downloadID);
69
70    void downloadFinished(Download*);
71    bool isDownloading() const { return !m_downloads.isEmpty(); }
72    uint64_t activeDownloadCount() const { return m_downloads.size(); }
73
74    void didCreateDownload();
75    void didDestroyDownload();
76
77    CoreIPC::Connection* downloadProxyConnection();
78    AuthenticationManager& downloadsAuthenticationManager();
79
80#if PLATFORM(QT)
81    void startTransfer(uint64_t downloadID, const String& destination);
82#endif
83
84private:
85    Client* m_client;
86    HashMap<uint64_t, Download*> m_downloads;
87};
88
89} // namespace WebKit
90
91#endif // DownloadManager_h
92