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
StartBeApp(void * unused)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 */
SDL_InitBeApp(void)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 */
SDL_QuitBeApp(void)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 }
112