1/*
2 * Copyright (C) 2006, 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#import <WebCore/DocumentLoader.h>
30#import <wtf/RetainPtr.h>
31#import <wtf/HashSet.h>
32
33@class WebDataSource;
34@class WebView;
35
36namespace WebCore {
37    class ResourceRequest;
38}
39
40class WebDocumentLoaderMac : public WebCore::DocumentLoader {
41public:
42    static PassRefPtr<WebDocumentLoaderMac> create(const WebCore::ResourceRequest& request, const WebCore::SubstituteData& data)
43    {
44        return adoptRef(new WebDocumentLoaderMac(request, data));
45    }
46
47    void setDataSource(WebDataSource *, WebView*);
48    void detachDataSource();
49    WebDataSource *dataSource() const;
50
51    void increaseLoadCount(unsigned long identifier);
52    void decreaseLoadCount(unsigned long identifier);
53
54private:
55    WebDocumentLoaderMac(const WebCore::ResourceRequest&, const WebCore::SubstituteData&);
56
57    virtual void attachToFrame();
58    virtual void detachFromFrame();
59
60    void retainDataSource();
61    void releaseDataSource();
62
63    WebDataSource *m_dataSource;
64    bool m_isDataSourceRetained;
65    RetainPtr<id> m_resourceLoadDelegate;
66    RetainPtr<id> m_downloadDelegate;
67    HashSet<unsigned long> m_loadingResources;
68};
69