Swiftgram/Source/tvOS/ASControlNode+tvOS.m
Garrett Moon 8c3775f5e2 Need to check availability before use of macros. (#3254)
* Need to check availability before use of macros.

* Get rid of PCH and enforce macro definition.

* Remove prefix

* Switch to global warning instead, much better.
2017-04-10 15:06:40 -07:00

96 lines
2.6 KiB
Objective-C

//
// ASControlNode+tvOS.m
// AsyncDisplayKit
//
// Created by Aaron Schubert on 21/04/2016.
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#import <Foundation/Foundation.h>
#if TARGET_OS_TV
#import <AsyncDisplayKit/ASControlNode+tvOS.h>
@implementation ASControlNode (tvOS)
#pragma mark - tvOS
- (void)pressDown
{
[UIView animateWithDuration:0.1 delay:0 options:UIViewAnimationCurveLinear animations:^{
[self setPressedState];
} completion:^(BOOL finished) {
if (finished) {
[UIView animateWithDuration:0.1 delay:0 options:UIViewAnimationCurveLinear animations:^{
[self setFocusedState];
} completion:nil];
}
}];
}
- (BOOL)canBecomeFocused
{
return YES;
}
- (BOOL)shouldUpdateFocusInContext:(nonnull UIFocusUpdateContext *)context
{
return YES;
}
- (void)didUpdateFocusInContext:(UIFocusUpdateContext *)context withAnimationCoordinator:(UIFocusAnimationCoordinator *)coordinator
{
//FIXME: This is never valid inside an ASCellNode
if (context.nextFocusedView && context.nextFocusedView == self.view) {
//Focused
[coordinator addCoordinatedAnimations:^{
[self setFocusedState];
} completion:nil];
} else{
//Not focused
[coordinator addCoordinatedAnimations:^{
[self setDefaultFocusAppearance];
} completion:nil];
}
}
- (void)setFocusedState
{
CALayer *layer = self.layer;
layer.shadowOffset = CGSizeMake(2, 10);
[self applyDefaultShadowProperties: layer];
self.view.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1.1, 1.1);
}
- (void)setPressedState
{
CALayer *layer = self.layer;
layer.shadowOffset = CGSizeMake(2, 2);
[self applyDefaultShadowProperties: layer];
self.view.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1, 1);
}
- (void)applyDefaultShadowProperties:(CALayer *)layer
{
layer.shadowColor = [UIColor blackColor].CGColor;
layer.shadowRadius = 12.0;
layer.shadowOpacity = 0.45;
layer.shadowPath = [UIBezierPath bezierPathWithRect:self.layer.bounds].CGPath;
}
- (void)setDefaultFocusAppearance
{
CALayer *layer = self.layer;
layer.shadowOffset = CGSizeZero;
layer.shadowColor = [UIColor blackColor].CGColor;
layer.shadowRadius = 0;
layer.shadowOpacity = 0;
layer.shadowPath = [UIBezierPath bezierPathWithRect:self.layer.bounds].CGPath;
self.view.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1, 1);
}
@end
#endif