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include/cinder/UrlImplCocoa.h

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00001 /*
00002  Copyright (c) 2010, The Cinder Project (http://libcinder.org)
00003  All rights reserved.
00004 
00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
00006  the following conditions are met:
00007 
00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
00009     the following disclaimer.
00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
00012 
00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00020  POSSIBILITY OF SUCH DAMAGE.
00021 */
00022 
00023 #pragma once
00024 
00025 #include "cinder/Cinder.h"
00026 #include "cinder/Url.h"
00027 
00028 #if defined( __OBJC__ )
00029     @class NSThread;
00030     @class IStreamUrlImplCocoaDelegate;
00031 #else
00032     class NSThread;
00033     class IStreamUrlImplCocoaDelegate;
00034 #endif
00035 
00036 
00037 namespace cinder {
00038 
00039 class IStreamUrlImplCocoa : public IStreamUrlImpl {
00040   public:
00041     IStreamUrlImplCocoa( const std::string &url, const std::string &user, const std::string &password );
00042     ~IStreamUrlImplCocoa();
00043 
00044     virtual size_t      readDataAvailable( void *dest, size_t maxSize );
00045     virtual void        seekAbsolute( off_t absoluteOffset );
00046     virtual void        seekRelative( off_t relativeOffset );
00047     virtual off_t       tell() const;
00048     virtual off_t       size() const;
00049     
00050     virtual bool        isEof() const;
00051     virtual void        IORead( void *t, size_t size );
00052 
00053   private:
00054     void                fillBuffer( int wantBytes ) const;
00055 
00056     NSThread                        *mThread;
00057     IStreamUrlImplCocoaDelegate     *mDelegate; 
00058 };
00059 
00060 } // namespace cinder