/*

     File: ClockControlAccessibility.m

 Abstract: Accessorizes the clock cell.

  Version: 1.0

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 */

#import <ClockControl.h>

#import <AppKit/NSAccessibility.h>

@implementation ClockCell (ClockCellAccessibility)

NSString *AppleSynthesisAttribute = @"AppleSynthesis";

// Attributes

//

// Add a value attribute which is settable. Add an AppleSynthesis attribute for yucks. Inherit role (which we override) as well as size, position, ... which we can leave alone.

- (NSArray *)accessibilityAttributeNames {

    static NSArray *attributes = nil;

    if (attributes == nil) {

        attributes = [[[super accessibilityAttributeNames] arrayByAddingObjectsFromArray:[NSArray arrayWithObjects:NSAccessibilityValueAttribute, AppleSynthesisAttribute, nil]] retain];

    }

    return attributes;

}

- (id)accessibilityAttributeValue:(NSString *)attribute {

    if ([attribute isEqualToString:NSAccessibilityRoleAttribute]) {

        return @"AnalogClock";

    } else if ([attribute isEqualToString:NSAccessibilityRoleDescriptionAttribute]) {

        return NSLocalizedString(@"Analog Clock", "Description of clock control for accessibility purposes");

    } else if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {

        return [self stringValue];

    } else if ([attribute isEqualToString:AppleSynthesisAttribute]) {

        return [NSString stringWithFormat:NSLocalizedString(@"At the tone, the time will be %@, [[inpt phon]] b1IY IY IY IY IY IY IY IY IY 1IYp [[inpt text]]", "String to read the time for accessibility purposes"), [self stringValue]];

    } else {

        return [super accessibilityAttributeValue:attribute];

    }

}

- (BOOL)accessibilityIsAttributeSettable:(NSString *)attribute {

    if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {

        return YES;

    } else if ([attribute isEqualToString:AppleSynthesisAttribute]) {

        return NO;

    } else {

        return [super accessibilityIsAttributeSettable:attribute];

    }

}

- (void)accessibilitySetValue:(id)value forAttribute:(NSString *)attribute {

    if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {

        [self setStringValue:value];

    } else {

        [super accessibilitySetValue:value forAttribute:attribute];

    }

}

// Actions

//

// Implement increment/decrement to act like the arrow keys

- (NSArray *)accessibilityActionNames {

    return [NSArray arrayWithObjects:NSAccessibilityIncrementAction, NSAccessibilityDecrementAction, nil];

}

- (NSString *)accessibilityActionDescription:(NSString *)action {

    if ([action isEqualToString:NSAccessibilityIncrementAction]) {

        return NSLocalizedString(@"Increment", "Description of time increment action, for accessibility purposes");

    } else if ([action isEqualToString:NSAccessibilityDecrementAction]) {

        return NSLocalizedString(@"Decrement", "Description of time decrement action, for accessibility purposes");

    } else {

        return [super accessibilityActionDescription:action];

    }

}

- (void)accessibilityPerformAction:(NSString *)action {

    if ([action isEqualToString:NSAccessibilityIncrementAction]) {

        [self moveRight:self];

    } else if ([action isEqualToString:NSAccessibilityDecrementAction]) {

        [self moveLeft:self];

    } else {

        [super accessibilityPerformAction:action];

    }

}

@end