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      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/HashMap.h>
     30 #include <wtf/Noncopyable.h>
     31 
     32 namespace WebCore {
     33     class ResourceHandle;
     34     class ResourceRequest;
     35     class ResourceResponse;
     36 }
     37 
     38 namespace WebKit {
     39 
     40 class Download;
     41 class WebPage;
     42 
     43 class DownloadManager {
     44     WTF_MAKE_NONCOPYABLE(DownloadManager);
     45 
     46 public:
     47     static DownloadManager& shared();
     48 
     49     void startDownload(uint64_t downloadID, WebPage* initiatingPage, const WebCore::ResourceRequest&);
     50     void convertHandleToDownload(uint64_t downloadID, WebPage* initiatingPage, WebCore::ResourceHandle*, const WebCore::ResourceRequest&, const WebCore::ResourceRequest& initialRequest, const WebCore::ResourceResponse&);
     51 
     52     void cancelDownload(uint64_t downloadID);
     53 
     54     void downloadFinished(Download*);
     55     bool isDownloading() const { return !m_downloads.isEmpty(); }
     56 
     57 private:
     58     DownloadManager();
     59 
     60     HashMap<uint64_t, Download*> m_downloads;
     61 };
     62 
     63 } // namespace WebKit
     64 
     65 #endif // DownloadManager_h
     66