Build ChatListUI

submodules/LegacyComponents/Sources/TGCameraTimeCodeView.m

@@ -0,0 +1,162 @@
+#import "TGCameraTimeCodeView.h"
+
+#import "LegacyComponentsInternal.h"
+
+#import <LegacyComponents/TGTimerTarget.h>
+#import <LegacyComponents/TGCameraInterfaceAssets.h>
+
+@interface TGCameraTimeCodeView ()
+{
+    UIImageView *_dotView;
+    UILabel *_timeLabel;
+    
+    NSUInteger _recordingDurationSeconds;
+    NSTimer *_recordingTimer;
+}
+@end
+
+@implementation TGCameraTimeCodeView
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self != nil)
+    {
+        static UIImage *dotImage = nil;
+        static dispatch_once_t onceToken;
+        dispatch_once(&onceToken, ^
+        {
+            UIGraphicsBeginImageContextWithOptions(CGSizeMake(6, 6), false, 0.0f);
+            CGContextRef context = UIGraphicsGetCurrentContext();
+
+            CGContextSetFillColorWithColor(context, [TGCameraInterfaceAssets redColor].CGColor);
+            CGContextFillEllipseInRect(context, CGRectMake(0, 0, 6, 6));
+
+            dotImage = UIGraphicsGetImageFromCurrentImageContext();
+            UIGraphicsEndImageContext();
+        });
+        
+        _dotView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 7, 6, 6)];
+        _dotView.layer.opacity = 0.0f;
+        _dotView.image = dotImage;
+        [self addSubview:_dotView];
+        
+        _timeLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)];
+        _timeLabel.backgroundColor = [UIColor clearColor];
+        _timeLabel.font = [TGCameraInterfaceAssets normalFontOfSize:21];
+        _timeLabel.text = @"00:00:00";
+        _timeLabel.textAlignment = NSTextAlignmentCenter;
+        _timeLabel.textColor = [TGCameraInterfaceAssets normalColor];
+        [self addSubview:_timeLabel];
+    }
+    return self;
+}
+
+- (void)dealloc
+{
+    [self stopRecording];
+}
+
+- (void)_updateRecordingTime
+{
+    _timeLabel.text = [NSString stringWithFormat:@"%02d:%02d:%02d", (int)(_recordingDurationSeconds / 3600), (int)(_recordingDurationSeconds / 60) % 60, (int)(_recordingDurationSeconds % 60)];
+}
+
+- (void)startRecording
+{
+    [self reset];
+    
+    _recordingTimer = [TGTimerTarget scheduledMainThreadTimerWithTarget:self action:@selector(recordingTimerEvent) interval:1.0 repeat:false];
+    
+    [self playBlinkAnimation];
+}
+
+- (void)stopRecording
+{
+    [_recordingTimer invalidate];
+    _recordingTimer = nil;
+    
+    [self stopBlinkAnimation];
+}
+
+- (void)reset
+{
+    _timeLabel.text = @"00:00:00";
+    _recordingDurationSeconds = 0;
+}
+
+- (void)recordingTimerEvent
+{
+    [_recordingTimer invalidate];
+    _recordingTimer = nil;
+    
+    NSTimeInterval recordingDuration = (self.requestedRecordingDuration != nil) ? self.requestedRecordingDuration() : 0.0f;
+    if (recordingDuration < _recordingDurationSeconds)
+        return;
+    
+    CFAbsoluteTime currentTime = CACurrentMediaTime();
+    NSUInteger currentDurationSeconds = (NSUInteger)recordingDuration;
+    if (currentDurationSeconds == _recordingDurationSeconds)
+    {
+        _recordingTimer = [TGTimerTarget scheduledMainThreadTimerWithTarget:self action:@selector(recordingTimerEvent) interval:MAX(0.01, _recordingDurationSeconds + 1.0 - currentTime) repeat:false];
+    }
+    else
+    {
+        _recordingDurationSeconds = currentDurationSeconds;
+        [self _updateRecordingTime];
+        _recordingTimer = [TGTimerTarget scheduledMainThreadTimerWithTarget:self action:@selector(recordingTimerEvent) interval:1.0 repeat:false];
+    }
+}
+
+- (void)playBlinkAnimation
+{
+    CAKeyframeAnimation *blinkAnim = [CAKeyframeAnimation animationWithKeyPath:@"opacity"];
+    blinkAnim.duration = 0.75f;
+    blinkAnim.autoreverses = false;
+    blinkAnim.fillMode = kCAFillModeForwards;
+    blinkAnim.repeatCount = HUGE_VALF;
+    blinkAnim.keyTimes = @[ @0.0f, @0.4f, @0.5f, @0.9f, @1.0f ];
+    blinkAnim.values = @[ @1.0f, @1.0f, @0.0f, @0.0f, @1.0f ];
+    
+    [_dotView.layer addAnimation:blinkAnim forKey:@"opacity"];
+}
+
+- (void)stopBlinkAnimation
+{
+    [_dotView.layer removeAllAnimations];
+}
+
+- (void)setHidden:(BOOL)hidden
+{
+    self.alpha = hidden ? 0.0f : 1.0f;
+    super.hidden = hidden;
+}
+
+- (void)setHidden:(bool)hidden animated:(bool)animated
+{
+    if (animated)
+    {
+        super.hidden = false;
+        
+        [UIView animateWithDuration:0.25f animations:^
+        {
+            self.alpha = hidden ? 0.0f : 1.0f;
+        } completion:^(BOOL finished)
+        {
+            if (finished)
+                self.hidden = hidden;
+        }];
+    }
+    else
+    {
+        self.alpha = hidden ? 0.0f : 1.0f;
+        super.hidden = hidden;
+    }
+}
+
+- (void)layoutSubviews
+{
+    _dotView.frame = CGRectMake(CGFloor(self.frame.size.width / 2 - 48), 7, 6, 6);
+}
+
+@end