IconLoader.h revision cad810f21b803229eb11403f9209855525a25d57 
1/*
2 * Copyright (C) 2006, 2008 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
26#ifndef IconLoader_h
27#define IconLoader_h
28
29#include "SubresourceLoaderClient.h"
30#include <wtf/Forward.h>
31#include <wtf/Noncopyable.h>
32#include <wtf/RefPtr.h>
33
34namespace WebCore {
35
36class Frame;
37class KURL;
38class SharedBuffer;
39
40class IconLoader : private SubresourceLoaderClient, public Noncopyable {
41public:
42    static PassOwnPtr<IconLoader> create(Frame*);
43    ~IconLoader();
44
45    void startLoading();
46    void stopLoading();
47
48private:
49    IconLoader(Frame*);
50
51    virtual void didReceiveResponse(SubresourceLoader*, const ResourceResponse&);
52    virtual void didReceiveData(SubresourceLoader*, const char*, int);
53    virtual void didFinishLoading(SubresourceLoader*);
54    virtual void didFail(SubresourceLoader*, const ResourceError&);
55
56    virtual void didReceiveAuthenticationChallenge(SubresourceLoader*, const AuthenticationChallenge&);
57
58    void finishLoading(const KURL&, PassRefPtr<SharedBuffer> data);
59    void clearLoadingState();
60
61    Frame* m_frame;
62
63    RefPtr<SubresourceLoader> m_resourceLoader;
64    bool m_loadIsInProgress;
65}; // class IconLoader
66
67} // namespace WebCore
68
69#endif
70