Imported Upstream version 1.2.15
[platform/upstream/SDL.git] / src / main / beos / SDL_BeApp.cc
1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2012 Sam Lantinga
4
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     Lesser General Public License for more details.
14
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
19     Sam Lantinga
20     slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 /* Handle the BeApp specific portions of the application */
25
26 #include <AppKit.h>
27 #include <storage/Path.h>
28 #include <storage/Entry.h>
29 #include <unistd.h>
30
31 #include "SDL_BeApp.h"
32 #include "SDL_thread.h"
33 #include "SDL_timer.h"
34 #include "SDL_error.h"
35
36 /* Flag to tell whether or not the Be application is active or not */
37 int SDL_BeAppActive = 0;
38 static SDL_Thread *SDL_AppThread = NULL;
39
40 static int StartBeApp(void *unused)
41 {
42   if(!be_app) {
43         BApplication *App;
44
45         App = new BApplication("application/x-SDL-executable");
46
47         App->Run();
48         delete App;
49   }
50  return(0);
51 }
52
53 /* Initialize the Be Application, if it's not already started */
54 int SDL_InitBeApp(void)
55 {
56         /* Create the BApplication that handles appserver interaction */
57         if ( SDL_BeAppActive <= 0 ) {
58                 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
59                 if ( SDL_AppThread == NULL ) {
60                         SDL_SetError("Couldn't create BApplication thread");
61                         return(-1);
62                 }
63                 
64                 /* Change working to directory to that of executable */
65                 app_info info;
66                 if (B_OK == be_app->GetAppInfo(&info)) {
67                         entry_ref ref = info.ref;
68                         BEntry entry;
69                         if (B_OK == entry.SetTo(&ref)) {
70                                 BPath path;
71                                 if (B_OK == path.SetTo(&entry)) {
72                                         if (B_OK == path.GetParent(&path)) {
73                                                 chdir(path.Path());
74                                         }
75                                 }
76                         }
77                 }       
78                 
79                 do {
80                         SDL_Delay(10);
81                 } while ( (be_app == NULL) || be_app->IsLaunching() );
82
83                 /* Mark the application active */
84                 SDL_BeAppActive = 0;
85         }
86
87         /* Increment the application reference count */
88         ++SDL_BeAppActive;
89
90         /* The app is running, and we're ready to go */
91  return(0);
92 }
93
94 /* Quit the Be Application, if there's nothing left to do */
95 void SDL_QuitBeApp(void)
96 {
97         /* Decrement the application reference count */
98         --SDL_BeAppActive;
99
100         /* If the reference count reached zero, clean up the app */
101         if ( SDL_BeAppActive == 0 ) {
102                 if ( SDL_AppThread != NULL ) {
103                         if ( be_app != NULL ) { /* Not tested */
104                                 be_app->PostMessage(B_QUIT_REQUESTED);
105                         }
106                         SDL_WaitThread(SDL_AppThread, NULL);
107                         SDL_AppThread = NULL;
108                 }
109                 /* be_app should now be NULL since be_app has quit */
110         }
111 }