#import "MyAppDelegate.h"
#import "PreferencesWindowController.h"
#import <Carbon/Carbon.h>
#import <ApplicationServices/ApplicationServices.h>

@implementation MyAppDelegate

- (id)init
{
 self = [super init];
 initial_action_done = NO;
 should_terminate = NO;
 return self;
}

- (IBAction)showPreferences:(id)sender
{
 [PreferencesWindowController getPreferencesWindow];
}

- (void)applicationDidFinishLaunching:(NSNotification *)notification
{
 // Test that the file mappings are correct
 [self testFileTypeBinding];
 // If we were opened because of a file drag or doubleclick
 // we've set initial_action_done in shouldShowUI
 // Otherwise we open a preferences dialog.
 if (!initial_action_done) {
 initial_action_done = YES;
 [self showPreferences: self];
 }
}

- (BOOL)shouldShowUI
{
 // if this call comes before applicationDidFinishLaunching: we
 // should terminate immediately after starting the script.
 if (!initial_action_done)
 should_terminate = YES;
 initial_action_done = YES;
 if( GetCurrentKeyModifiers() & optionKey )
 return YES;
 return NO;
}

- (BOOL)shouldTerminate
{
 return should_terminate;
}

- (BOOL)applicationShouldOpenUntitledFile:(NSApplication *)sender
{
 return NO;
}

- (void)testFileTypeBinding
{
 NSURL *ourUrl;
 OSStatus err;
 FSRef appRef;
 NSURL *appUrl;
 static NSString *extensions[] = { @"py", @"pyw", @"pyc", NULL};
 NSString **ext_p;
 int i;

 if ([[NSUserDefaults standardUserDefaults] boolForKey: @"SkipFileBindingTest"])
 return;
 ourUrl = [NSURL fileURLWithPath: [[NSBundle mainBundle] bundlePath]];
 for( ext_p = extensions; *ext_p; ext_p++ ) {
 err = LSGetApplicationForInfo(
 kLSUnknownType,
 kLSUnknownCreator,
 (CFStringRef)*ext_p,
 kLSRolesViewer,
 &appRef,
 (CFURLRef *)&appUrl);
 if (err || ![appUrl isEqual: ourUrl] ) {
 i = NSRunAlertPanel(@"File type binding",
 @"PythonLauncher is not the default application for all " \
 @"Python script types. You should fix this with the " \
 @"Finder's \"Get Info\" command.\n\n" \
 @"See \"Changing the application that opens a file\" in " \
 @"Mac Help for details.",
 @"OK",
 @"Don't show this warning again",
 NULL);
 if ( i == 0 ) { // Don't show again
 [[NSUserDefaults standardUserDefaults]
 setObject:@"YES" forKey:@"SkipFileBindingTest"];
 }
 return;
 }
 }
}

@end