src/apps/cortex/support/MediaIcon.h

   1 /*
   2  * Copyright (c) 1999-2000, Eric Moon.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions, and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  27  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31
  32 // MediaIcon.h (Cortex/Support)
  33 //
  34 // * PURPOSE
  35 //
  36 //   Easy construction of an icon-representation for common
  37 //   kinds of nodes
  38 //
  39 // * NOTES
  40 //
  41 //       5dec99 i've included some workarounds for the buggy GetDormantNodeFor()
  42 //                       function
  43 //   24oct99 simple to use but *not* very efficient!
  44 //
  45 // * HISTORY
  46 //   c.lenz             17oct99         Begun
  47 //       c.lenz         5dec99          Bugfixes & support of application icons
  48 //
  49
  50 #ifndef __MediaIcon_H__
  51 #define __MediaIcon_H__
  52
  53 // Interface Kit
  54 #include <Bitmap.h>
  55 #include <InterfaceDefs.h>
  56 // Media Kit
  57 #include <MediaDefs.h>
  58 // Storage Kit
  59 #include <Mime.h>
  60
  61 class BRegion;
  62 struct dormant_flavor_info;
  63
  64 #include "cortex_defs.h"
  65 __BEGIN_CORTEX_NAMESPACE
  66
  67 class MediaIcon :
  68         public BBitmap {
  69
  70 public:                                 // *** ctor/dtor
  71
  72                                                 MediaIcon(
  73                                                         const live_node_info &nodeInfo,
  74                                                         icon_size size);
  75
  76                                                 MediaIcon(
  77                                                         const dormant_node_info &nodeInfo,
  78                                                         icon_size size);
  79
  80         virtual                         ~MediaIcon();
  81
  82 private:                                // *** internal accessors
  83
  84         // return the basic node_kind
  85         bool                            _isPhysicalInput() const;
  86         bool                            _isPhysicalOutput() const;
  87         bool                            _isProducer() const;
  88         bool                            _isFilter() const;
  89         bool                            _isConsumer() const;
  90
  91         // special cases (media-type independant)
  92         bool                            _isSystemMixer() const;
  93         bool                            _isFileInterface() const;
  94         bool                            _isTimeSource() const;
  95
  96 private:                                // *** internal operations
  97
  98         void                            _findIconFor(
  99                                                         const live_node_info &nodeInfo);
 100
 101         void                            _findIconFor(
 102                                                         const dormant_node_info &nodeInfo);
 103
 104         void                            _findDefaultIconFor(
 105                                                         bool audioIn,
 106                                                         bool audioOut,
 107                                                         bool videoIn,
 108                                                         bool videoOut);
 109
 110         static void                     _getMediaTypesFor(
 111                                                         const live_node_info &nodeInfo,
 112                                                         bool *audioIn,
 113                                                         bool *audioOut,
 114                                                         bool *videoIn,
 115                                                         bool *videoOut);
 116
 117         static void                     _getMediaTypesFor(
 118                                                         const dormant_flavor_info &flavorInfo,
 119                                                         bool *audioIn,
 120                                                         bool *audioOut,
 121                                                         bool *videoIn,
 122                                                         bool *videoOut);
 123
 124 private:                                // *** data
 125
 126         // the icon size: B_LARGE_ICON or B_MINI_ICON
 127         icon_size                       m_size;
 128
 129         // the node kinds (e.g. B_BUFFER_PRODUCER)
 130         uint32                          m_nodeKind;
 131 };
 132
 133 __END_CORTEX_NAMESPACE
 134 #endif /* __MediaIcon_H__ */