DefaultDownloadDelegate.h revision 0bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5 
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 "WebKit.h"
30#include <wtf/HashSet.h>
31
32#if USE(CFNETWORK)
33#include <CFNetwork/CFURLDownloadPriv.h>
34#endif
35
36class DefaultDownloadDelegate : public IWebDownloadDelegate
37{
38public:
39    static DefaultDownloadDelegate* sharedInstance();
40    static DefaultDownloadDelegate* createInstance();
41private:
42    DefaultDownloadDelegate();
43    ~DefaultDownloadDelegate();
44public:
45    // IUnknown
46    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);
47    virtual ULONG STDMETHODCALLTYPE AddRef(void);
48    virtual ULONG STDMETHODCALLTYPE Release(void);
49
50    // IWebDownloadDelegate
51    virtual HRESULT STDMETHODCALLTYPE decideDestinationWithSuggestedFilename(IWebDownload *download, BSTR filename);
52    virtual HRESULT STDMETHODCALLTYPE didCancelAuthenticationChallenge(IWebDownload* download,  IWebURLAuthenticationChallenge* challenge);
53    virtual HRESULT STDMETHODCALLTYPE didCreateDestination(IWebDownload* download,  BSTR destination);
54    virtual HRESULT STDMETHODCALLTYPE didFailWithError(IWebDownload* download,  IWebError* error);
55    virtual HRESULT STDMETHODCALLTYPE didReceiveAuthenticationChallenge(IWebDownload* download,  IWebURLAuthenticationChallenge* challenge);
56    virtual HRESULT STDMETHODCALLTYPE didReceiveDataOfLength(IWebDownload* download,  unsigned length);
57    virtual HRESULT STDMETHODCALLTYPE didReceiveResponse(IWebDownload* download,  IWebURLResponse* response);
58    virtual HRESULT STDMETHODCALLTYPE shouldDecodeSourceDataOfMIMEType(IWebDownload* download,  BSTR encodingType, BOOL* shouldDecode);
59    virtual HRESULT STDMETHODCALLTYPE willResumeWithResponse(IWebDownload* download,  IWebURLResponse* response,  long long fromByte);
60    virtual HRESULT STDMETHODCALLTYPE willSendRequest(IWebDownload* download, IWebMutableURLRequest* request,  IWebURLResponse* redirectResponse, IWebMutableURLRequest** finalRequest);
61    virtual HRESULT STDMETHODCALLTYPE didBegin(IWebDownload* download);
62    virtual HRESULT STDMETHODCALLTYPE didFinish(IWebDownload* download);
63
64    // DefaultDownloadDelegate
65    void registerDownload(IWebDownload*);
66    void unregisterDownload(IWebDownload*);
67protected:
68    ULONG m_refCount;
69
70    HashSet<IWebDownload*> m_downloads;
71};
72
73#endif
74