programs/explorer/diskarb.c

   1 /*
   2  * Devices support using the MacOS Disk Arbitration library.
   3  *
   4  * Copyright 2006 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <assert.h>
  25 #include <errno.h>
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <sys/time.h>
  29
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winreg.h"
  33 #include "winuser.h"
  34
  35 #include "wine/debug.h"
  36 #include "explorer_private.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(explorer);
  39
  40 #ifdef HAVE_DISKARBITRATION_DISKARBITRATION_H
  41
  42 #include <DiskArbitration/DiskArbitration.h>
  43
  44 static void appeared_callback( DADiskRef disk, void *context )
  45 {
  46     CFDictionaryRef dict = DADiskCopyDescription( disk );
  47     const void *ref;
  48     char device[64];
  49     char mount_point[PATH_MAX];
  50     const char *type = NULL;
  51
  52     if (!dict) return;
  53
  54     /* ignore non-removable devices */
  55     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) ||
  56         !CFBooleanGetValue( ref )) goto done;
  57
  58     /* get device name */
  59     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
  60     strcpy( device, "/dev/r" );
  61     CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
  62
  63     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumePath") )))
  64         CFURLGetFileSystemRepresentation( ref, true, (UInt8 *)mount_point, sizeof(mount_point) );
  65     else
  66         mount_point[0] = 0;
  67
  68     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumeKind") )))
  69     {
  70         if (!CFStringCompare( ref, CFSTR("cd9660"), 0 ) ||
  71             !CFStringCompare( ref, CFSTR("udf"), 0 ))
  72             type = "cdrom";
  73     }
  74
  75     WINE_TRACE( "got mount notification for '%s' on '%s'\n", device, mount_point );
  76
  77     add_dos_device( device, device, mount_point, type );
  78 done:
  79     CFRelease( dict );
  80 }
  81
  82 static void changed_callback( DADiskRef disk, CFArrayRef keys, void *context )
  83 {
  84     appeared_callback( disk, context );
  85 }
  86
  87 static void disappeared_callback( DADiskRef disk, void *context )
  88 {
  89     CFDictionaryRef dict = DADiskCopyDescription( disk );
  90     const void *ref;
  91     char device[100];
  92
  93     if (!dict) return;
  94
  95     /* ignore non-removable devices */
  96     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) ||
  97         !CFBooleanGetValue( ref )) goto done;
  98
  99     /* get device name */
 100     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
 101     strcpy( device, "/dev/r" );
 102     CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
 103
 104     WINE_TRACE( "got unmount notification for '%s'\n", device );
 105
 106     remove_dos_device( device );
 107 done:
 108     CFRelease( dict );
 109 }
 110
 111 static DWORD WINAPI runloop_thread( void *arg )
 112 {
 113     DASessionRef session = DASessionCreate( NULL );
 114
 115     if (!session) return 1;
 116
 117     DASessionScheduleWithRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 118     DARegisterDiskAppearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 119                                     appeared_callback, NULL );
 120     DARegisterDiskDisappearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 121                                        disappeared_callback, NULL );
 122     DARegisterDiskDescriptionChangedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 123                                               kDADiskDescriptionWatchVolumePath, changed_callback, NULL );
 124     CFRunLoopRun();
 125     DASessionUnscheduleFromRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 126     CFRelease( session );
 127     return 0;
 128 }
 129
 130 void initialize_diskarbitration(void)
 131 {
 132     HANDLE handle;
 133
 134     if (!(handle = CreateThread( NULL, 0, runloop_thread, NULL, 0, NULL ))) return;
 135     CloseHandle( handle );
 136 }
 137
 138 #else  /*  HAVE_DISKARBITRATION_DISKARBITRATION_H */
 139
 140 void initialize_diskarbitration(void)
 141 {
 142     WINE_TRACE( "Skipping, Disk Arbitration support not compiled in\n" );
 143 }
 144
 145 #endif  /* HAVE_DISKARBITRATION_DISKARBITRATION_H */