src/video/uikit/SDL_uikitappdelegate.m
author Sam Lantinga <slouken@libsdl.org>
Sun, 14 Jul 2013 11:28:44 -0700
changeset 7776 d4a39491577f
parent 7432 58908b180ebd
child 8093 b43765095a6f
permissions -rw-r--r--
Added the platform specific messagebox function to the video function list
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
     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_config.h"
    22 
    23 #if SDL_VIDEO_DRIVER_UIKIT
    24 
    25 #include "../SDL_sysvideo.h"
    26 #include "SDL_assert.h"
    27 #include "SDL_hints.h"
    28 #include "SDL_system.h"
    29 #include "SDL_main.h"
    30 
    31 #include "SDL_uikitappdelegate.h"
    32 #include "SDL_uikitmodes.h"
    33 #include "../../events/SDL_events_c.h"
    34 
    35 #ifdef main
    36 #undef main
    37 #endif
    38 
    39 static int forward_argc;
    40 static char **forward_argv;
    41 static int exit_status;
    42 static UIWindow *launch_window;
    43 
    44 int main(int argc, char **argv)
    45 {
    46     int i;
    47     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    48 
    49     /* store arguments */
    50     forward_argc = argc;
    51     forward_argv = (char **)malloc((argc+1) * sizeof(char *));
    52     for (i = 0; i < argc; i++) {
    53         forward_argv[i] = malloc( (strlen(argv[i])+1) * sizeof(char));
    54         strcpy(forward_argv[i], argv[i]);
    55     }
    56     forward_argv[i] = NULL;
    57 
    58     /* Give over control to run loop, SDLUIKitDelegate will handle most things from here */
    59     UIApplicationMain(argc, argv, NULL, [SDLUIKitDelegate getAppDelegateClassName]);
    60 
    61     /* free the memory we used to hold copies of argc and argv */
    62     for (i = 0; i < forward_argc; i++) {
    63         free(forward_argv[i]);
    64     }
    65     free(forward_argv);
    66 
    67     [pool release];
    68     return exit_status;
    69 }
    70 
    71 static void
    72 SDL_IdleTimerDisabledChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
    73 {
    74     BOOL disable = (hint && *hint != '0');
    75     [UIApplication sharedApplication].idleTimerDisabled = disable;
    76 }
    77 
    78 @interface SDL_splashviewcontroller : UIViewController {
    79     UIImageView *splash;
    80     UIImage *splashPortrait;
    81     UIImage *splashLandscape;
    82 }
    83 
    84 - (void)updateSplashImage:(UIInterfaceOrientation)interfaceOrientation;
    85 @end
    86 
    87 @implementation SDL_splashviewcontroller
    88 
    89 - (id)init
    90 {
    91     self = [super init];
    92     if (self == nil) {
    93         return nil;
    94     }
    95 
    96     self->splash = [[UIImageView alloc] init];
    97     [self setView:self->splash];
    98 
    99     CGSize size = [UIScreen mainScreen].bounds.size;
   100     float height = SDL_max(size.width, size.height);
   101     self->splashPortrait = [UIImage imageNamed:[NSString stringWithFormat:@"Default-%dh.png", (int)height]];
   102     if (!self->splashPortrait) {
   103         self->splashPortrait = [UIImage imageNamed:@"Default.png"];
   104     }
   105     self->splashLandscape = [UIImage imageNamed:@"Default-Landscape.png"];
   106     if (!self->splashLandscape && self->splashPortrait) {
   107         self->splashLandscape = [[UIImage alloc] initWithCGImage: self->splashPortrait.CGImage
   108                                                            scale: 1.0
   109                                                      orientation: UIImageOrientationRight];
   110     }
   111     if (self->splashPortrait) {
   112         [self->splashPortrait retain];
   113     }
   114     if (self->splashLandscape) {
   115         [self->splashLandscape retain];
   116     }
   117 
   118     [self updateSplashImage:[[UIApplication sharedApplication] statusBarOrientation]];
   119 
   120     return self;
   121 }
   122 
   123 - (NSUInteger)supportedInterfaceOrientations
   124 {
   125     NSUInteger orientationMask = UIInterfaceOrientationMaskAll;
   126 
   127     /* Don't allow upside-down orientation on the phone, so answering calls is in the natural orientation */
   128     if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
   129         orientationMask &= ~UIInterfaceOrientationMaskPortraitUpsideDown;
   130     }
   131     return orientationMask;
   132 }
   133 
   134 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orient
   135 {
   136     NSUInteger orientationMask = [self supportedInterfaceOrientations];
   137     return (orientationMask & (1 << orient));
   138 }
   139 
   140 - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration
   141 {
   142     [self updateSplashImage:interfaceOrientation];
   143 }
   144 
   145 - (void)updateSplashImage:(UIInterfaceOrientation)interfaceOrientation
   146 {
   147     UIImage *image;
   148 
   149     if (UIInterfaceOrientationIsLandscape(interfaceOrientation)) {
   150         image = self->splashLandscape;
   151     } else {
   152         image = self->splashPortrait;
   153     }
   154     if (image)
   155     {
   156         splash.image = image;
   157     }
   158 }
   159 
   160 @end
   161 
   162 
   163 @implementation SDLUIKitDelegate
   164 
   165 /* convenience method */
   166 + (id) sharedAppDelegate
   167 {
   168     /* the delegate is set in UIApplicationMain(), which is garaunteed to be called before this method */
   169     return [[UIApplication sharedApplication] delegate];
   170 }
   171 
   172 + (NSString *)getAppDelegateClassName
   173 {
   174     /* subclassing notice: when you subclass this appdelegate, make sure to add a category to override
   175        this method and return the actual name of the delegate */
   176     return @"SDLUIKitDelegate";
   177 }
   178 
   179 - (id)init
   180 {
   181     self = [super init];
   182     return self;
   183 }
   184 
   185 - (void)postFinishLaunch
   186 {
   187     /* run the user's application, passing argc and argv */
   188     SDL_iPhoneSetEventPump(SDL_TRUE);
   189     exit_status = SDL_main(forward_argc, forward_argv);
   190     SDL_iPhoneSetEventPump(SDL_FALSE);
   191 
   192     /* If we showed a splash image, clean it up */
   193     if (launch_window) {
   194         [launch_window release];
   195         launch_window = NULL;
   196     }
   197 
   198     /* exit, passing the return status from the user's application */
   199     /* We don't actually exit to support applications that do setup in
   200      * their main function and then allow the Cocoa event loop to run.
   201      */
   202     /* exit(exit_status); */
   203 }
   204 
   205 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
   206 {
   207     /* Keep the launch image up until we set a video mode */
   208     launch_window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
   209 
   210     UIViewController *splashViewController = [[SDL_splashviewcontroller alloc] init];
   211     launch_window.rootViewController = splashViewController;
   212     [launch_window addSubview:splashViewController.view];
   213     [launch_window makeKeyAndVisible];
   214 
   215     /* Set working directory to resource path */
   216     [[NSFileManager defaultManager] changeCurrentDirectoryPath: [[NSBundle mainBundle] resourcePath]];
   217 
   218     /* register a callback for the idletimer hint */
   219     SDL_AddHintCallback(SDL_HINT_IDLE_TIMER_DISABLED,
   220                         SDL_IdleTimerDisabledChanged, NULL);
   221 
   222     SDL_SetMainReady();
   223     [self performSelector:@selector(postFinishLaunch) withObject:nil afterDelay:0.0];
   224 
   225     return YES;
   226 }
   227 
   228 - (void)applicationWillTerminate:(UIApplication *)application
   229 {
   230     SDL_SendAppEvent(SDL_APP_TERMINATING);
   231 }
   232 
   233 - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application
   234 {
   235     SDL_SendAppEvent(SDL_APP_LOWMEMORY);
   236 }
   237 
   238 - (void) applicationWillResignActive:(UIApplication*)application
   239 {
   240     SDL_VideoDevice *_this = SDL_GetVideoDevice();
   241     if (_this) {
   242         SDL_Window *window;
   243         for (window = _this->windows; window != nil; window = window->next) {
   244             SDL_SendWindowEvent(window, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
   245             SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
   246         }
   247     }
   248     SDL_SendAppEvent(SDL_APP_WILLENTERBACKGROUND);
   249 }
   250 
   251 - (void) applicationDidEnterBackground:(UIApplication*)application
   252 {
   253     SDL_SendAppEvent(SDL_APP_DIDENTERBACKGROUND);
   254 }
   255 
   256 - (void) applicationWillEnterForeground:(UIApplication*)application
   257 {
   258     SDL_SendAppEvent(SDL_APP_WILLENTERFOREGROUND);
   259 }
   260 
   261 - (void) applicationDidBecomeActive:(UIApplication*)application
   262 {
   263     SDL_SendAppEvent(SDL_APP_DIDENTERFOREGROUND);
   264 
   265     SDL_VideoDevice *_this = SDL_GetVideoDevice();
   266     if (_this) {
   267         SDL_Window *window;
   268         for (window = _this->windows; window != nil; window = window->next) {
   269             SDL_SendWindowEvent(window, SDL_WINDOWEVENT_FOCUS_GAINED, 0, 0);
   270             SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESTORED, 0, 0);
   271         }
   272     }
   273 }
   274 
   275 - (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
   276 {
   277     NSURL *fileURL = [url filePathURL];
   278     if (fileURL != nil) {
   279         SDL_SendDropFile([[fileURL path] UTF8String]);
   280     } else {
   281         SDL_SendDropFile([[url absoluteString] UTF8String]);
   282     }
   283     return YES;
   284 }
   285 
   286 @end
   287 
   288 #endif /* SDL_VIDEO_DRIVER_UIKIT */
   289 
   290 /* vi: set ts=4 sw=4 expandtab: */