1 /*

     2  * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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 #ifndef DefaultDownloadDelegate_h

    26 #define DefaultDownloadDelegate_h

    27 

    28 #include "COMPtr.h"

    29 #include "IWebDownload.h"

    30 

    31 #include <CFNetwork/CFURLDownloadPriv.h>

    32 #include <wtf/HashSet.h>

    33 

    34 class DefaultDownloadDelegate : public IWebDownloadDelegate

    35 {

    36 public:

    37     static DefaultDownloadDelegate* sharedInstance();

    38     static DefaultDownloadDelegate* createInstance();

    39 private:

    40     DefaultDownloadDelegate();

    41     ~DefaultDownloadDelegate();

    42 public:

    43     // IUnknown

    44     virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);

    45     virtual ULONG STDMETHODCALLTYPE AddRef(void);

    46     virtual ULONG STDMETHODCALLTYPE Release(void);

    47 

    48     // IWebDownloadDelegate

    49     virtual HRESULT STDMETHODCALLTYPE decideDestinationWithSuggestedFilename(IWebDownload *download, BSTR filename);

    50     virtual HRESULT STDMETHODCALLTYPE didCancelAuthenticationChallenge(IWebDownload* download,  IWebURLAuthenticationChallenge* challenge);

    51     virtual HRESULT STDMETHODCALLTYPE didCreateDestination(IWebDownload* download,  BSTR destination);

    52     virtual HRESULT STDMETHODCALLTYPE didFailWithError(IWebDownload* download,  IWebError* error);

    53     virtual HRESULT STDMETHODCALLTYPE didReceiveAuthenticationChallenge(IWebDownload* download,  IWebURLAuthenticationChallenge* challenge);

    54     virtual HRESULT STDMETHODCALLTYPE didReceiveDataOfLength(IWebDownload* download,  unsigned length);

    55     virtual HRESULT STDMETHODCALLTYPE didReceiveResponse(IWebDownload* download,  IWebURLResponse* response);

    56     virtual HRESULT STDMETHODCALLTYPE shouldDecodeSourceDataOfMIMEType(IWebDownload* download,  BSTR encodingType, BOOL* shouldDecode);

    57     virtual HRESULT STDMETHODCALLTYPE willResumeWithResponse(IWebDownload* download,  IWebURLResponse* response,  long long fromByte);

    58     virtual HRESULT STDMETHODCALLTYPE willSendRequest(IWebDownload* download, IWebMutableURLRequest* request,  IWebURLResponse* redirectResponse, IWebMutableURLRequest** finalRequest);

    59     virtual HRESULT STDMETHODCALLTYPE didBegin(IWebDownload* download);

    60     virtual HRESULT STDMETHODCALLTYPE didFinish(IWebDownload* download);

    61 

    62     // DefaultDownloadDelegate

    63     void registerDownload(IWebDownload*);

    64     void unregisterDownload(IWebDownload*);

    65 protected:

    66     ULONG m_refCount;

    67 

    68     HashSet<IWebDownload*> m_downloads;

    69 };

    70 

    71 #endif