//
//  ApplicationController.m
//  Enjoy
//
//  Created by Sam McCall on 4/05/09.
//
#include <Carbon/Carbon.h>

@implementation ApplicationController

@synthesize jsController, targetController, configsController;

static BOOL active;

pascal OSStatus appSwitch(EventHandlerCallRef handlerChain, EventRef event, void* userData);

-(void) applicationDidFinishLaunching: (NSNotification*) notification {
	[jsController setup];
	[drawer open];
	[targetController setEnabled: false];
	[self setActive: NO];
	[configsController load];
	EventTypeSpec et;
	et.eventClass = kEventClassApplication;
	et.eventKind = kEventAppFrontSwitched;
	EventHandlerUPP handler = NewEventHandlerUPP(appSwitch);
	InstallApplicationEventHandler(handler, 1, &et, self, NULL);
}

-(void) applicationWillTerminate: (NSNotification *)aNotification {
	[configsController save];
}

- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication
					 hasVisibleWindows:(BOOL)flag
{	
	[mainWindow makeKeyAndOrderFront:self];
	return YES;
}

pascal OSStatus appSwitch(EventHandlerCallRef handlerChain, EventRef event, void* userData) {
	ApplicationController* self = (ApplicationController*)userData;
	NSDictionary* currentApp = [[NSWorkspace sharedWorkspace] activeApplication];
	ProcessSerialNumber psn;
	psn.lowLongOfPSN = [currentApp[@"NSApplicationProcessSerialNumberLow"] longValue];
	psn.highLongOfPSN = [currentApp[@"NSApplicationProcessSerialNumberHigh"] longValue];
	[self->configsController applicationSwitchedTo: currentApp[@"NSApplicationName"] withPsn: psn];
	return noErr;
}

-(BOOL) active {
	return active;
}

-(void) setActive: (BOOL) newActive {
	[activeButton setLabel: (newActive ? @"Stop" : @"Start")];
	[activeButton setImage: [NSImage imageNamed: (newActive ? @"NSStopProgressFreestandingTemplate" : @"NSGoRightTemplate" )]];
	[activeMenuItem setState: (newActive ? 1 : 0)];
	active = newActive;
}

-(IBAction) toggleActivity: (id)sender {
	[self setActive: ![self active]];
}

-(void) configsChanged {
	while([dockMenuBase numberOfItems] > 2)
		[dockMenuBase removeItemAtIndex: ([dockMenuBase numberOfItems] - 1)];

	for(Config* config in [configsController configs]) {
		[dockMenuBase addItemWithTitle:[config name] action:@selector(chooseConfig:) keyEquivalent:@""];
	}
	[self configChanged];
}
-(void) configChanged {
	Config* current = [configsController currentConfig];
	NSArray* configs = [configsController configs];
	for(int i=0; i<[configs count]; i++)
		[[dockMenuBase itemAtIndex: (2+i)] setState: ((configs[i] == current) ? YES : NO)];
}

-(void) chooseConfig: (id) sender {
	[configsController activateConfig: [configsController configs][([dockMenuBase indexOfItem: sender]-2)] forApplication: NULL];
}
@end