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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 DownloadProxy_h
     27 #define DownloadProxy_h
     28 
     29 #include "APIObject.h"
     30 #include "Connection.h"
     31 #include "SandboxExtension.h"
     32 #include <WebCore/ResourceRequest.h>
     33 #include <wtf/Forward.h>
     34 #include <wtf/PassRefPtr.h>
     35 
     36 namespace WebCore {
     37     class AuthenticationChallenge;
     38     class ResourceError;
     39     class ResourceResponse;
     40 }
     41 
     42 namespace WebKit {
     43 
     44 class WebContext;
     45 class WebData;
     46 
     47 class DownloadProxy : public APIObject {
     48 public:
     49     static const Type APIType = TypeDownload;
     50 
     51     static PassRefPtr<DownloadProxy> create(WebContext*);
     52     ~DownloadProxy();
     53 
     54     uint64_t downloadID() const { return m_downloadID; }
     55     const WebCore::ResourceRequest& request() const { return m_request; }
     56     WebData* resumeData() const { return m_resumeData.get(); }
     57 
     58     void cancel();
     59 
     60     void invalidate();
     61     void processDidClose();
     62 
     63     void didReceiveDownloadProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
     64     CoreIPC::SyncReplyMode didReceiveSyncDownloadProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
     65 
     66 private:
     67     explicit DownloadProxy(WebContext*);
     68 
     69     virtual Type type() const { return APIType; }
     70 
     71     // Message handlers.
     72     void didStart(const WebCore::ResourceRequest&);
     73     void didReceiveAuthenticationChallenge(const WebCore::AuthenticationChallenge&, uint64_t challengeID);
     74     void didReceiveResponse(const WebCore::ResourceResponse&);
     75     void didReceiveData(uint64_t length);
     76     void shouldDecodeSourceDataOfMIMEType(const String& mimeType, bool& result);
     77     void decideDestinationWithSuggestedFilename(const String& filename, String& destination, bool& allowOverwrite, SandboxExtension::Handle& sandboxExtensionHandle);
     78     void didCreateDestination(const String& path);
     79     void didFinish();
     80     void didFail(const WebCore::ResourceError&, const CoreIPC::DataReference& resumeData);
     81     void didCancel(const CoreIPC::DataReference& resumeData);
     82 
     83     WebContext* m_webContext;
     84     uint64_t m_downloadID;
     85 
     86     RefPtr<WebData> m_resumeData;
     87     WebCore::ResourceRequest m_request;
     88 };
     89 
     90 } // namespace WebKit
     91 
     92 #endif // DownloadProxy_h
     93