Atlas - SDL_BeApp.cc
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1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "../../SDL_internal.h"
22
23#if defined(__HAIKU__)
24
25/* Handle the BeApp specific portions of the application */
26
27#include <AppKit.h>
28#include <storage/AppFileInfo.h>
29#include <storage/Path.h>
30#include <storage/Entry.h>
31#include <storage/File.h>
32#include <unistd.h>
33
34#include "SDL_BApp.h"	/* SDL_BApp class definition */
35#include "SDL_BeApp.h"
36#include "SDL_timer.h"
37#include "SDL_error.h"
38
39#include "../../video/haiku/SDL_BWin.h"
40
41#ifdef __cplusplus
42extern "C" {
43#endif
44
45#include "../../thread/SDL_systhread.h"
46
47/* Flag to tell whether or not the Be application is active or not */
48static int SDL_BeAppActive = 0;
49static SDL_Thread *SDL_AppThread = NULL;
50
51static int
52StartBeApp(void *unused)
53{
54    BApplication *App;
55
56	// default application signature
57	const char *signature = "application/x-SDL-executable";
58	// dig resources for correct signature
59	image_info info;
60	int32 cookie = 0;
61	if (get_next_image_info(B_CURRENT_TEAM, &cookie, &info) == B_OK) {
62		BFile f(info.name, O_RDONLY);
63		if (f.InitCheck() == B_OK) {
64			BAppFileInfo app_info(&f);
65			if (app_info.InitCheck() == B_OK) {
66				char sig[B_MIME_TYPE_LENGTH];
67				if (app_info.GetSignature(sig) == B_OK)
68					signature = strndup(sig, B_MIME_TYPE_LENGTH);
69			}
70		}
71	}
72
73	App = new SDL_BApp(signature);
74
75    App->Run();
76    delete App;
77    return (0);
78}
79
80/* Initialize the Be Application, if it's not already started */
81int
82SDL_InitBeApp(void)
83{
84    /* Create the BApplication that handles appserver interaction */
85    if (SDL_BeAppActive <= 0) {
86        SDL_AppThread = SDL_CreateThreadInternal(StartBeApp, "SDLApplication", 0, NULL);
87        if (SDL_AppThread == NULL) {
88            return SDL_SetError("Couldn't create BApplication thread");
89        }
90
91        /* Change working directory to that of executable */
92        app_info info;
93        if (B_OK == be_app->GetAppInfo(&info)) {
94            entry_ref ref = info.ref;
95            BEntry entry;
96            if (B_OK == entry.SetTo(&ref)) {
97                BPath path;
98                if (B_OK == path.SetTo(&entry)) {
99                    if (B_OK == path.GetParent(&path)) {
100                        chdir(path.Path());
101                    }
102                }
103            }
104        }
105
106        do {
107            SDL_Delay(10);
108        } while ((be_app == NULL) || be_app->IsLaunching());
109
110        /* Mark the application active */
111        SDL_BeAppActive = 0;
112    }
113
114    /* Increment the application reference count */
115    ++SDL_BeAppActive;
116
117    /* The app is running, and we're ready to go */
118    return (0);
119}
120
121/* Quit the Be Application, if there's nothing left to do */
122void
123SDL_QuitBeApp(void)
124{
125    /* Decrement the application reference count */
126    --SDL_BeAppActive;
127
128    /* If the reference count reached zero, clean up the app */
129    if (SDL_BeAppActive == 0) {
130        if (SDL_AppThread != NULL) {
131            if (be_app != NULL) {       /* Not tested */
132                be_app->PostMessage(B_QUIT_REQUESTED);
133            }
134            SDL_WaitThread(SDL_AppThread, NULL);
135            SDL_AppThread = NULL;
136        }
137        /* be_app should now be NULL since be_app has quit */
138    }
139}
140
141#ifdef __cplusplus
142}
143#endif
144
145/* SDL_BApp functions */
146void SDL_BApp::ClearID(SDL_BWin *bwin) {
147	_SetSDLWindow(NULL, bwin->GetID());
148	int32 i = _GetNumWindowSlots() - 1;
149	while(i >= 0 && GetSDLWindow(i) == NULL) {
150		_PopBackWindow();
151		--i;
152	}
153}
154
155#endif /* __HAIKU__ */
156
157/* vi: set ts=4 sw=4 expandtab: */
158
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