#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 immedeately 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