1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2006 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
StartBeApp(void * unused)40 static int StartBeApp(void *unused)
41 {
42 BApplication *App;
43
44 App = new BApplication("application/x-SDL-executable");
45
46 App->Run();
47 delete App;
48 return(0);
49 }
50
51 /* Initialize the Be Application, if it's not already started */
SDL_InitBeApp(void)52 int SDL_InitBeApp(void)
53 {
54 /* Create the BApplication that handles appserver interaction */
55 if ( SDL_BeAppActive <= 0 ) {
56 SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
57 if ( SDL_AppThread == NULL ) {
58 SDL_SetError("Couldn't create BApplication thread");
59 return(-1);
60 }
61
62 /* Change working to directory to that of executable */
63 app_info info;
64 if (B_OK == be_app->GetAppInfo(&info)) {
65 entry_ref ref = info.ref;
66 BEntry entry;
67 if (B_OK == entry.SetTo(&ref)) {
68 BPath path;
69 if (B_OK == path.SetTo(&entry)) {
70 if (B_OK == path.GetParent(&path)) {
71 chdir(path.Path());
72 }
73 }
74 }
75 }
76
77 do {
78 SDL_Delay(10);
79 } while ( (be_app == NULL) || be_app->IsLaunching() );
80
81 /* Mark the application active */
82 SDL_BeAppActive = 0;
83 }
84
85 /* Increment the application reference count */
86 ++SDL_BeAppActive;
87
88 /* The app is running, and we're ready to go */
89 return(0);
90 }
91
92 /* Quit the Be Application, if there's nothing left to do */
SDL_QuitBeApp(void)93 void SDL_QuitBeApp(void)
94 {
95 /* Decrement the application reference count */
96 --SDL_BeAppActive;
97
98 /* If the reference count reached zero, clean up the app */
99 if ( SDL_BeAppActive == 0 ) {
100 if ( SDL_AppThread != NULL ) {
101 if ( be_app != NULL ) { /* Not tested */
102 be_app->PostMessage(B_QUIT_REQUESTED);
103 }
104 SDL_WaitThread(SDL_AppThread, NULL);
105 SDL_AppThread = NULL;
106 }
107 /* be_app should now be NULL since be_app has quit */
108 }
109 }
110