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 

    34 namespace WebCore {

    35 

    36 class Frame;

    37 class KURL;

    38 class SharedBuffer;

    39 

    40 class IconLoader : private SubresourceLoaderClient, public Noncopyable {

    41 public:

    42     static PassOwnPtr<IconLoader> create(Frame*);

    43     ~IconLoader();

    44     

    45     void startLoading();

    46     void stopLoading();

    47 

    48 private:

    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