/*

 File: StickyWindowController.m

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 */

#import "StickyWindowController.h"

#import "StickyTitleBarView.h"

#import "Sticky.h"

#import "AppDelegate.h"

@interface StickyWindowController (ForwardDeclarations)

- (void)startObserving;

- (void)stopObserving;

@end

@implementation StickyWindowController

- (id)initWithSticky:(Sticky *)sticky

{

    _sticky = [sticky retain];

    return [super initWithWindowNibName:@"Sticky"];

}

- (void)dealloc

{

    [self stopObserving];

    [_sticky release];

    [super dealloc];

}

- (Sticky *)sticky

{

    return _sticky;

}

#pragma mark

- (void)updateStickyFrame

{

    if (!_isUpdatingWindowFrame) {

        NSRect oldFrame = [[self window] frame];

        [_sticky setValue:[NSNumber numberWithInteger:oldFrame.origin.x] forKey:@"originX"];

        [_sticky setValue:[NSNumber numberWithInteger:oldFrame.origin.y] forKey:@"originY"];

        [_sticky setValue:[NSNumber numberWithInteger:oldFrame.size.width] forKey:@"width"];

        [_sticky setValue:[NSNumber numberWithInteger:oldFrame.size.height] forKey:@"height"];

    }

}

- (void)updateWindowFrame

{

    if (nil == [_sticky valueForKey:@"originX"] || nil == [_sticky valueForKey:@"originY"] || nil == [_sticky valueForKey:@"width"] || nil == [_sticky valueForKey:@"height"]) {

        // Must be a new sticky so set the frame using the nib values

        [self updateStickyFrame];

    } else {

        NSInteger origin_x = [[_sticky valueForKey:@"originX"] integerValue];

        NSInteger origin_y = [[_sticky valueForKey:@"originY"] integerValue];

        NSInteger width = [[_sticky valueForKey:@"width"] integerValue];

        NSInteger height = [[_sticky valueForKey:@"height"] integerValue];

        // This will trigger my windowDidMove:/windowDidResize: callback and I want to avoid re-updating the sticky frame

        _isUpdatingWindowFrame = YES;

        [[self window] setFrame:NSMakeRect(origin_x, origin_y, width, height) display:YES];

        _isUpdatingWindowFrame = NO;

    }

}

- (void)updateWindowColor

{

    NSData *colorData = [_sticky valueForKey:@"color"];

    if (nil == colorData) {

        // Must be a new sticky so set the color value using the version in the nib

        [_sticky setValue:[NSArchiver archivedDataWithRootObject:[contents backgroundColor]] forKey:@"color"];

        [titleBar setBackgroundColor:[contents backgroundColor]];

    } else {

        // Set the

        NSColor *aColor = [NSUnarchiver unarchiveObjectWithData:colorData];

        if ((aColor != nil) && [aColor isKindOfClass:[NSColor class]]){

            [titleBar setBackgroundColor:aColor];

            [contents setBackgroundColor:aColor];

        }

    }

}

- (void)updateWindowTranslucency

{

    if (nil == [_sticky valueForKey:@"translucent"]) {

        // Must be a new sticky so set the translucent value to my default

        [_sticky setValue:[NSNumber numberWithBool:NO] forKey:@"translucent"];

    } else {

        if ([[_sticky valueForKey:@"translucent"] boolValue] == YES) {

            [[self window] setAlphaValue:0.5];

        } else {

            [[self window] setAlphaValue:1.0];

        }

    }

}

#pragma mark

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

{

    // There are no built-in bindings for these values so I have to maintain them myself

    if ([@"originX" isEqualToString:keyPath] || [@"originY" isEqualToString:keyPath] ||[@"width" isEqualToString:keyPath] || [@"height" isEqualToString:keyPath]) {

        [self updateWindowFrame];

    } else if ([@"color" isEqualToString:keyPath]) {

        [self updateWindowColor];

    } else if ([@"translucent" isEqualToString:keyPath]) {

        [self updateWindowTranslucency];

    }

}

- (void)startObserving

{

    // Register for KVO on the sticky's frame rect so that the window will redraw if we change the frame

    [_sticky addObserver:self forKeyPath:@"originX" options:NSKeyValueObservingOptionNew context:NULL];    

    [_sticky addObserver:self forKeyPath:@"originY" options:NSKeyValueObservingOptionNew context:NULL];    

    [_sticky addObserver:self forKeyPath:@"width" options:NSKeyValueObservingOptionNew context:NULL];    

    [_sticky addObserver:self forKeyPath:@"height" options:NSKeyValueObservingOptionNew context:NULL];

    // Track changes to the colour and translucency

    [_sticky addObserver:self forKeyPath:@"color" options:NSKeyValueObservingOptionNew context:NULL];    

    [_sticky addObserver:self forKeyPath:@"translucent" options:NSKeyValueObservingOptionNew context:NULL];    

}

- (void)stopObserving

{

    [_sticky removeObserver:self forKeyPath:@"originX"];    

    [_sticky removeObserver:self forKeyPath:@"originY"];    

    [_sticky removeObserver:self forKeyPath:@"width"];    

    [_sticky removeObserver:self forKeyPath:@"height"];

    [_sticky removeObserver:self forKeyPath:@"color"];    

    [_sticky removeObserver:self forKeyPath:@"translucent"];    

}

#pragma mark

- (void)windowDidMove:(NSNotification *)aNotification

{

    [self updateStickyFrame];

}

- (void)windowDidResize:(NSNotification *)aNotification 

{

    [self updateStickyFrame];

}

- (void)windowWillClose:(NSNotification *)notification;

{

    // Closing the window => delete the sticky

    [[NSApp delegate] removeSticky:_sticky];

    [self stopObserving];

    [_sticky release];

    _sticky = nil;

}

- (void)windowDidLoad

{

    [super windowDidLoad];

    [self setShouldCascadeWindows:NO];

    // Make sure the sticky has a text value, otherwise we can't save it

    if (nil == [_sticky valueForKey:@"text"]) {

        NSAttributedString *string = [[NSAttributedString alloc] initWithString:@"My fancy sticky!"];

        [_sticky setValue:[NSArchiver archivedDataWithRootObject:string] forKey:@"text"];

    }        

    [self updateWindowColor];

    [self updateWindowTranslucency];

    [self updateWindowFrame];

    [self startObserving];

}

@end