Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  NJKWebViewProgressView.m
+//
+//  Created by Satoshi Aasanoon 11/16/13.
+//  Copyright (c) 2013 Satoshi Asano. All rights reserved.
+//
+
+#import "NJKWebViewProgressView.h"
+
+@implementation NJKWebViewProgressView
+
+- (id)initWithFrame:(CGRect)frame
+{
+    self = [super initWithFrame:frame];
+    if (self) {
+        [self configureViews];
+    }
+    return self;
+}
+
+- (void)awakeFromNib
+{
+    [super awakeFromNib];
+    [self configureViews];
+}
+
+-(void)configureViews
+{
+    self.userInteractionEnabled = NO;
+    self.autoresizingMask = UIViewAutoresizingFlexibleWidth;
+    _progressBarView = [[UIView alloc] initWithFrame:self.bounds];
+    _progressBarView.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
+    UIColor *tintColor = [UIColor colorWithRed:22.f / 255.f green:126.f / 255.f blue:251.f / 255.f alpha:1.0]; // iOS7 Safari bar color
+    if ([UIApplication.sharedApplication.delegate.window respondsToSelector:@selector(setTintColor:)] && UIApplication.sharedApplication.delegate.window.tintColor) {
+        tintColor = UIApplication.sharedApplication.delegate.window.tintColor;
+    }
+    _progressBarView.backgroundColor = tintColor;
+    [self addSubview:_progressBarView];
+    _barAnimationDuration = 0.27f;
+    _fadeAnimationDuration = 0.27f;
+    _fadeOutDelay = 0.1f;
+}
+
+-(void)setProgress:(float)progress
+{
+    [self setProgress:progress animated:NO];
+}
+
+- (void)setProgress:(float)progress animated:(BOOL)animated
+{
+    BOOL isGrowing = progress > 0.0;
+    [UIView animateWithDuration:(isGrowing && animated) ? _barAnimationDuration : 0.0 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
+        CGRect frame = _progressBarView.frame;
+        frame.size.width = progress * self.bounds.size.width;
+        _progressBarView.frame = frame;
+    } completion:nil];
+
+    if (progress >= 1.0) {
+        [UIView animateWithDuration:animated ? _fadeAnimationDuration : 0.0 delay:_fadeOutDelay options:UIViewAnimationOptionCurveEaseInOut animations:^{
+            _progressBarView.alpha = 0.0;
+        } completion:^(BOOL completed){
+            CGRect frame = _progressBarView.frame;
+            frame.size.width = 0;
+            _progressBarView.frame = frame;
+        }];
+    }
+    else {
+        [UIView animateWithDuration:animated ? _fadeAnimationDuration : 0.0 delay:0.0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
+            _progressBarView.alpha = 1.0;
+        } completion:nil];
+    }
+}
+
+@end