HBHUDView.m

/*  HBHUDButtonCell.m $

 This file is part of the HandBrake source code.
 Homepage: <http://handbrake.fr/>.
 It may be used under the terms of the GNU General Public License. */

#import "HBHUDView.h"

@interface HBHUDVisualEffectsView : NSVisualEffectView
@end

@implementation HBHUDVisualEffectsView

- (instancetype)initWithFrame:(NSRect)frame
{
    self = [super initWithFrame:frame];

    if (self)
    {
        self.wantsLayer = YES;
        self.layer.cornerRadius = 4;

        self.blendingMode = NSVisualEffectBlendingModeWithinWindow;
        self.material = NSVisualEffectMaterialDark;
        self.state = NSVisualEffectStateActive;

        self.appearance = [NSAppearance appearanceNamed:NSAppearanceNameVibrantDark];
    }
    return self;
}

- (BOOL)acceptsFirstResponder
{
    return YES;
}

@end

@implementation HBHUDView

- (instancetype)initWithFrame:(NSRect)frame
{
    if (NSClassFromString(@"NSVisualEffectView"))
    {
        // If NSVisualEffectView class is loaded
        // release ourself and return a NSVisualEffectView instance instead.
        self = (HBHUDView *)[[HBHUDVisualEffectsView alloc] initWithFrame:frame];
    }
    else
    {
        self = [super initWithFrame:frame];
    }

    return self;
}

- (BOOL)acceptsFirstResponder
{
    return YES;
}

- (void)drawRect:(NSRect)dirtyRect
{
    NSGraphicsContext  *theContext = [NSGraphicsContext currentContext];
    [theContext saveGraphicsState];

    NSRect rect = NSMakeRect(0.0, 0.0, self.frame.size.width, self.frame.size.height);

    // Draw a standard HUD with black transparent background and white border.
    [[NSColor colorWithCalibratedRed:0.0 green:0.0 blue:0.0 alpha:0.6] setFill];
    [[NSBezierPath bezierPathWithRoundedRect:NSInsetRect(rect, 1, 1) xRadius:14.0 yRadius:14.0] fill];

    [[NSColor whiteColor] setStroke];
    [NSBezierPath setDefaultLineWidth:2.0];
    [[NSBezierPath bezierPathWithRoundedRect:NSInsetRect(rect, 1, 1) xRadius:14.0 yRadius:14.0] stroke];

    [theContext restoreGraphicsState];
}

@end