src/osx/core/utilsexc_base.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/corefoundation/utilsexc_base.cpp
   3 // Purpose:     wxMacLaunch
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     2005-06-21
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 // Notes:       Source was originally in utilsexc_cf.cpp,1.6 then moved
  11 //              to totally unrelated hid.cpp,1.8.
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 //===========================================================================
  15 //  DECLARATIONS
  16 //===========================================================================
  17
  18 //---------------------------------------------------------------------------
  19 // Pre-compiled header stuff
  20 //---------------------------------------------------------------------------
  21
  22 // For compilers that support precompilation, includes "wx.h".
  23 #include "wx/wxprec.h"
  24
  25 // WX includes
  26 #ifndef WX_PRECOMP
  27     #include "wx/string.h"
  28     #include "wx/log.h"
  29     #include "wx/intl.h"
  30     #include "wx/utils.h"
  31     #include "wx/wxcrt.h"
  32 #endif // WX_PRECOMP
  33
  34 // Mac Includes
  35 #include <CoreFoundation/CoreFoundation.h>
  36 #ifndef __WXOSX_IPHONE__
  37 #include <ApplicationServices/ApplicationServices.h>
  38 #endif
  39
  40 // More WX Includes
  41 #include "wx/filename.h"
  42 #include "wx/osx/core/cfstring.h"
  43 #include "wx/osx/core/private.h"
  44
  45 // Default path style
  46 #define kDefaultPathStyle kCFURLPOSIXPathStyle
  47
  48 extern bool WXDLLEXPORT wxIsDebuggerRunning()
  49 {
  50     // TODO : try to find out ...
  51     return false;
  52 }
  53
  54 #if wxOSX_USE_COCOA_OR_CARBON
  55
  56 // have a fast version for mac code that returns the version as a return value
  57
  58 long UMAGetSystemVersion()
  59 {
  60     static SInt32 sUMASystemVersion = 0 ;
  61     if ( sUMASystemVersion == 0 )
  62     {
  63         verify_noerr(Gestalt(gestaltSystemVersion, &sUMASystemVersion));
  64     }
  65     return sUMASystemVersion ;
  66 }
  67
  68 // our OS version is the same in non GUI and GUI cases
  69 wxOperatingSystemId wxGetOsVersion(int *majorVsn, int *minorVsn)
  70 {
  71     SInt32 theSystem;
  72     Gestalt(gestaltSystemVersion, &theSystem);
  73
  74     if ( majorVsn != NULL )
  75         *majorVsn = (theSystem >> 8);
  76
  77     if ( minorVsn != NULL )
  78         *minorVsn = (theSystem & 0xFF);
  79
  80     return wxOS_MAC_OSX_DARWIN;
  81 }
  82
  83 #include <sys/utsname.h>
  84
  85 wxString wxGetOsDescription()
  86 {
  87     struct utsname name;
  88     uname(&name);
  89     return wxString::Format(wxT("Mac OS X (%s %s %s)"),
  90             wxString::FromAscii(name.sysname).c_str(),
  91             wxString::FromAscii(name.release).c_str(),
  92             wxString::FromAscii(name.machine).c_str());
  93 }
  94
  95 #endif // wxOSX_USE_COCOA_OR_CARBON
  96
  97 //===========================================================================
  98 //  IMPLEMENTATION
  99 //===========================================================================
 100
 101 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 102 //
 103 //    wxMacLaunch
 104 //
 105 // argv is the command line split up, with the application path first
 106 // flags are the flags from wxExecute
 107 // process is the process passed from wxExecute for pipe streams etc.
 108 // returns -1 on error for wxEXEC_SYNC and 0 on error for wxEXEC_ASYNC
 109 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 110 bool wxMacLaunch(char **argv)
 111 {
 112     // Obtains the number of arguments for determining the size of
 113     // the CFArray used to hold them
 114     CFIndex cfiCount = 0;
 115     for(char** argvcopy = argv; *argvcopy != NULL ; ++argvcopy)
 116     {
 117         ++cfiCount;
 118     }
 119
 120     // If there is not a single argument then there is no application
 121     // to launch
 122     if(cfiCount == 0)
 123     {
 124         wxLogDebug(wxT("wxMacLaunch No file to launch!"));
 125         return false ;
 126     }
 127
 128     // Path to bundle
 129     wxString path = *argv++;
 130
 131     // Create a CFURL for the application path
 132     // Created this way because we are opening a bundle which is a directory
 133     CFURLRef cfurlApp =
 134         CFURLCreateWithFileSystemPath(
 135             kCFAllocatorDefault,
 136             wxCFStringRef(path),
 137             kDefaultPathStyle,
 138             true); //false == not a directory
 139
 140     // Check for error from the CFURL
 141     if(!cfurlApp)
 142     {
 143         wxLogDebug(wxT("wxMacLaunch Can't open path: %s"), path.c_str());
 144         return false ;
 145     }
 146
 147     // Create a CFBundle from the CFURL created earlier
 148     CFBundleRef cfbApp = CFBundleCreate(kCFAllocatorDefault, cfurlApp);
 149
 150     // Check to see if CFBundleCreate returned an error,
 151     // and if it did this was an invalid bundle or not a bundle
 152     // at all (maybe a simple directory etc.)
 153     if(!cfbApp)
 154     {
 155         wxLogDebug(wxT("wxMacLaunch Bad bundle: %s"), path.c_str());
 156         CFRelease(cfurlApp);
 157         return false ;
 158     }
 159
 160     // Get the bundle type and make sure its an 'APPL' bundle
 161     // Otherwise we're dealing with something else here...
 162     UInt32 dwBundleType, dwBundleCreator;
 163     CFBundleGetPackageInfo(cfbApp, &dwBundleType, &dwBundleCreator);
 164     if(dwBundleType != 'APPL')
 165     {
 166         wxLogDebug(wxT("wxMacLaunch Not an APPL bundle: %s"), path.c_str());
 167         CFRelease(cfbApp);
 168         CFRelease(cfurlApp);
 169         return false ;
 170     }
 171
 172     // Create a CFArray for dealing with the command line
 173     // arguments to the bundle
 174     CFMutableArrayRef cfaFiles = CFArrayCreateMutable(kCFAllocatorDefault,
 175                                     cfiCount-1, &kCFTypeArrayCallBacks);
 176     if(!cfaFiles) //This should never happen
 177     {
 178         wxLogDebug(wxT("wxMacLaunch Could not create CFMutableArray"));
 179         CFRelease(cfbApp);
 180         CFRelease(cfurlApp);
 181         return false ;
 182     }
 183
 184     // Loop through command line arguments to the bundle,
 185     // turn them into CFURLs and then put them in cfaFiles
 186     // For use to launch services call
 187         for( ; *argv != NULL ; ++argv)
 188         {
 189         // Check for '<' as this will ring true for
 190         // CFURLCreateWithString but is generally not considered
 191         // typical on mac but is usually passed here from wxExecute
 192         if (wxStrcmp(*argv, wxT("<")) == 0)
 193             continue;
 194
 195
 196         CFURLRef cfurlCurrentFile;    // CFURL to hold file path
 197         wxFileName argfn(*argv);     // Filename for path
 198
 199         if(argfn.DirExists())
 200         {
 201             // First, try creating as a directory
 202             cfurlCurrentFile = CFURLCreateWithFileSystemPath(
 203                                 kCFAllocatorDefault,
 204                                 wxCFStringRef(*argv),
 205                                 kDefaultPathStyle,
 206                                 true); //true == directory
 207         }
 208         else if(argfn.FileExists())
 209         {
 210             // And if it isn't a directory try creating it
 211             // as a regular file
 212             cfurlCurrentFile = CFURLCreateWithFileSystemPath(
 213                                 kCFAllocatorDefault,
 214                                 wxCFStringRef(*argv),
 215                                 kDefaultPathStyle,
 216                                 false); //false == regular file
 217         }
 218         else
 219         {
 220             // Argument did not refer to
 221             // an entry in the local filesystem,
 222             // so try creating it through CFURLCreateWithString
 223             cfurlCurrentFile = CFURLCreateWithString(
 224                                 kCFAllocatorDefault,
 225                                 wxCFStringRef(*argv),
 226                                 NULL);
 227         }
 228
 229         // Continue in the loop if the CFURL could not be created
 230         if(!cfurlCurrentFile)
 231         {
 232             wxLogDebug(
 233                 wxT("wxMacLaunch Could not create CFURL for argument:%s"),
 234                 *argv);
 235             continue;
 236         }
 237
 238         // Add the valid CFURL to the argument array and then
 239         // release it as the CFArray adds a ref count to it
 240             CFArrayAppendValue(
 241                 cfaFiles,
 242                 cfurlCurrentFile
 243                             );
 244             CFRelease(cfurlCurrentFile); // array has retained it
 245         }
 246
 247     // Create a LSLaunchURLSpec for use with LSOpenFromURLSpec
 248     // Note that there are several flag options (launchFlags) such
 249     // as kLSLaunchDontSwitch etc. and maybe we could be more
 250     // picky about the flags we choose
 251     LSLaunchURLSpec launchspec;
 252     launchspec.appURL = cfurlApp;
 253     launchspec.itemURLs = cfaFiles;
 254     launchspec.passThruParams = NULL; //AEDesc*
 255     launchspec.launchFlags = kLSLaunchDefaults;
 256     launchspec.asyncRefCon = NULL;
 257
 258     // Finally, call LSOpenFromURL spec with our arguments
 259     // 2nd parameter is a pointer to a CFURL that gets
 260     // the actual path launched by the function
 261     OSStatus status = LSOpenFromURLSpec(&launchspec, NULL);
 262
 263     // Cleanup corefoundation references
 264     CFRelease(cfbApp);
 265     CFRelease(cfurlApp);
 266     CFRelease(cfaFiles);
 267
 268     // Check for error from LSOpenFromURLSpec
 269     if(status != noErr)
 270     {
 271         wxLogDebug(wxT("wxMacLaunch LSOpenFromURLSpec Error: %d"),
 272                    (int)status);
 273         return false ;
 274     }
 275
 276     // No error from LSOpenFromURLSpec, so app was launched
 277     return true ;
 278 }
 279