clear code

6 files changed, 0 insertions, 1010 deletions

diff --git a/Libraries external/TOScrollBar/TOScrollBar.h b/Libraries external/TOScrollBar/TOScrollBar.h
deleted file mode 100755
index 9d4668807..000000000
--- a/Libraries external/TOScrollBar/TOScrollBar.h
+++ /dev/null
@@ -1,123 +0,0 @@
-//
-//  TOScrollBar.h
-//
-//  Copyright 2016-2017 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import <UIKit/UIKit.h>
-#import "UIScrollView+TOScrollBar.h"
-
-typedef NS_ENUM(NSInteger, TOScrollBarStyle) {
-    TOScrollBarStyleDefault,
-    TOScrollBarStyleDark
-};
-
-NS_ASSUME_NONNULL_BEGIN
-
-@interface TOScrollBar : UIView
-
-/* The visual style of the scroll bar, either light or dark */
-@property (nonatomic, assign) TOScrollBarStyle style;
-
-/** Aligns the scroll bar to the top of the scroll view content offset.
-     Set this to `YES` when using this in a view controller with iOS 11 large titles. */
-@property (nonatomic, assign) BOOL insetForLargeTitles;
-
-/** The amount of padding above and below the scroll bar (Only top and bottom values are counted. Default is {20,20} ) */
-@property (nonatomic, assign) UIEdgeInsets verticalInset;
-
-/** The inset, in points of the middle of track from the edge of the scroll view */
-@property (nonatomic, assign) CGFloat edgeInset;
-
-/** The tint color of the track */
-@property (nonatomic, strong) UIColor *trackTintColor;
-
-/** The width in points, of the track (Default value is 2.0) */
-@property (nonatomic, assign) CGFloat trackWidth;
-
-/** The tint color of the handle (Defaults to the system tint color) */
-@property (nonatomic, strong, nullable) UIColor *handleTintColor;
-
-/** The width in points, of the handle. (Default value is 4.0) */
-@property (nonatomic, assign) CGFloat handleWidth;
-
-/** The minimum height in points the handle may be in relation to the content height. (Default value is 64.0) */
-@property (nonatomic, assign) CGFloat handleMinimiumHeight;
-
-/** The user is currently dragging the handle */
-@property (nonatomic, assign, readonly) BOOL dragging;
-
-/** The minimum required scale of the scroll view's content height before the scroll bar is shown (Default is 5.0) */
-@property (nonatomic, assign) CGFloat minimumContentHeightScale;
-
-/** The scroll view in which this scroll bar has been added. */
-@property (nonatomic, weak, readonly) UIScrollView *scrollView;
-
-/** When enabled, the scroll bar will only respond to direct touches to the handle control.
- Touches to the track will be passed to the UI controls beneath it.
- Default is NO. */
-@property (nonatomic, assign) BOOL handleExclusiveInteractionEnabled;
-
-/** 
- Creates a new instance of the scroll bar view 
- 
- @param style The initial style of the scroll bar upon creation
- */
-- (instancetype)initWithStyle:(TOScrollBarStyle)style;
-
-/**
- Adds the scroll bar to a scroll view
- 
- @param scrollView The scroll view that will receive this scroll bar
- */
-- (void)addToScrollView:(UIScrollView *)scrollView;
-
-/**
- Removes the scroll bar from the scroll view and resets the scroll view's state
- */
-- (void)removeFromScrollView;
-
-/**
- If added to a table view, this convienience method will compute the appropriate
- inset values for the table separator so they don't underlap the scroll bar
- 
- @param inset The original separator inset value of the table view
- */
-- (UIEdgeInsets)adjustedTableViewSeparatorInsetForInset:(UIEdgeInsets)inset;
-
-/**
- If added to a table view, this convienience method will compute the appropriate
- insets values for each cell's layout margins in order to appropriately push the cell's
- content inwards
- 
- @param layoutMargins The current `layoutMargins` value of the `UITableViewCell` instance.
- @param offset If desired, any additional horizontal offset for this specific use case
- 
- */
-- (UIEdgeInsets)adjustedTableViewCellLayoutMarginsForMargins:(UIEdgeInsets)layoutMargins manualOffset:(CGFloat)offset;
-
-/**
- Shows or hides the scroll bar from the scroll view with an optional animation
- */
-- (void)setHidden:(BOOL)hidden animated:(BOOL)animated;
-
-@end
-
-NS_ASSUME_NONNULL_END
-
diff --git a/Libraries external/TOScrollBar/TOScrollBar.m b/Libraries external/TOScrollBar/TOScrollBar.m
deleted file mode 100755
index fd1d3fc84..000000000
--- a/Libraries external/TOScrollBar/TOScrollBar.m
+++ /dev/null
@@ -1,691 +0,0 @@
-//
-//  TOScrollBar.m
-//
-//  Copyright 2016-2017 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import "TOScrollBar.h"
-#import "UIScrollView+TOScrollBar.h"
-#import "TOScrollBarGestureRecognizer.h"
-
-/** Default values for the scroll bar */
-static const CGFloat kTOScrollBarTrackWidth      = 2.0f;     // The default width of the scrollable space indicator
-static const CGFloat kTOScrollBarHandleWidth     = 4.0f;     // The default width of the handle control
-static const CGFloat kTOScrollBarEdgeInset       = 7.5f;     // The distance from the edge of the view to the center of the track
-static const CGFloat kTOScrollBarHandleMinHeight = 64.0f;    // The minimum usable size to which the handle can shrink
-static const CGFloat kTOScrollBarWidth           = 20.0f;    // The width of this control (44 is minimum recommended tapping space) TWS how handleWidth
-static const CGFloat kTOScrollBarVerticalPadding = 10.0f;    // The default padding at the top and bottom of the view
-static const CGFloat kTOScrollBarMinimumContentScale = 5.0f; // The minimum scale of the content view before showing the scroll view is necessary
-
-/************************************************************************/
-
-// A struct to hold the scroll view's previous state before this bar was applied
-struct TOScrollBarScrollViewState {
-    BOOL showsVerticalScrollIndicator;
-};
-typedef struct TOScrollBarScrollViewState TOScrollBarScrollViewState;
-
-/************************************************************************/
-// Private interface exposure for scroll view category
-
-@interface UIScrollView () //TOScrollBar
-- (void)setTo_scrollBar:(TOScrollBar *)scrollBar;
-@end
-
-/************************************************************************/
-
-@interface TOScrollBar () <UIGestureRecognizerDelegate> {
-    TOScrollBarScrollViewState _scrollViewState;
-}
-
-@property (nonatomic, weak, readwrite) UIScrollView *scrollView;   // The parent scroll view in which we belong
-
-@property (nonatomic, assign) BOOL userHidden;          // View was explicitly hidden by the user as opposed to us
-
-@property (nonatomic, strong) UIImageView *trackView;   // The track indicating the scrollable distance
-@property (nonatomic, strong) UIImageView *handleView;  // The handle that may be dragged in the scroll bar
-
-@property (nonatomic, assign, readwrite) BOOL dragging; // The user is presently dragging the handle
-@property (nonatomic, assign) CGFloat yOffset;          // The offset from the center of the thumb
-
-@property (nonatomic, assign) CGFloat originalYOffset;  // The original placement of the scroll bar when the user started dragging
-@property (nonatomic, assign) CGFloat originalHeight;   // The original height of the scroll bar when the user started dragging
-@property (nonatomic, assign) CGFloat originalTopInset; // The original safe area inset of the scroll bar when the user started dragging
-
-@property (nonatomic, assign) CGFloat horizontalOffset; // The horizontal offset when the edge inset is too small for the touch region
-
-@property (nonatomic, assign) BOOL disabled;            // Disabled when there's not enough scroll content to merit showing this
-
-@property (nonatomic, strong) UIImpactFeedbackGenerator *feedbackGenerator; // Taptic feedback for iPhone 7 and above
-
-@property (nonatomic, strong) TOScrollBarGestureRecognizer *gestureRecognizer; // Our custom recognizer for handling user interactions with the scroll bar
-
-@end
-
-/************************************************************************/
-
-@implementation TOScrollBar
-
-#pragma mark - Class Creation -
-
-- (instancetype)initWithStyle:(TOScrollBarStyle)style
-{
-    if (self = [super initWithFrame:CGRectZero]) {
-        _style = style;
-        [self setUpInitialProperties];
-    }
-
-    return self;
-}
-
-- (instancetype)initWithFrame:(CGRect)frame
-{
-    if (self = [super initWithFrame:frame]) {
-        [self setUpInitialProperties];
-    }
-
-    return self;
-}
-
-- (instancetype)initWithCoder:(NSCoder *)aDecoder
-{
-    if (self = [super initWithCoder:aDecoder]) {
-        [self setUpInitialProperties];
-    }
-
-    return self;
-}
-
-#pragma mark - Set-up -
-
-- (void)setUpInitialProperties
-{
-    _trackWidth  = kTOScrollBarTrackWidth;
-    _handleWidth = kTOScrollBarHandleWidth;
-    _edgeInset   = kTOScrollBarEdgeInset;
-    _handleMinimiumHeight = kTOScrollBarHandleMinHeight;
-    _minimumContentHeightScale = kTOScrollBarMinimumContentScale;
-    _verticalInset = UIEdgeInsetsMake(kTOScrollBarVerticalPadding, 0.0f, kTOScrollBarVerticalPadding, 0.0f);
-    _feedbackGenerator = [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleLight];
-    _gestureRecognizer = [[TOScrollBarGestureRecognizer alloc] initWithTarget:self action:@selector(scrollBarGestureRecognized:)];
-}
-
-- (void)setUpViews
-{
-    if (self.trackView || self.handleView) {
-        return;
-    }
-
-    self.backgroundColor = [UIColor clearColor];
-
-    // Create and add the track view
-    self.trackView = [[UIImageView alloc] initWithImage:[TOScrollBar verticalCapsuleImageWithWidth:self.trackWidth]];
-    [self addSubview:self.trackView];
-
-    // Add the handle view
-    self.handleView = [[UIImageView alloc] initWithImage:[TOScrollBar verticalCapsuleImageWithWidth:self.handleWidth]];
-    [self addSubview:self.handleView];
-
-    // Add the initial styling
-    [self configureViewsForStyle:self.style];
-    
-    // Add gesture recognizer
-    [self addGestureRecognizer:self.gestureRecognizer];
-}
-
-- (void)configureViewsForStyle:(TOScrollBarStyle)style
-{
-    BOOL dark = (style == TOScrollBarStyleDark);
-
-    CGFloat whiteColor = 0.0f;
-    if (dark) {
-        whiteColor = 1.0f;
-    }
-    self.trackView.tintColor = [UIColor colorWithWhite:whiteColor alpha:0.1f];
-}
-
-- (void)dealloc
-{
-    [self restoreScrollView:self.scrollView];
-}
-
-- (void)configureScrollView:(UIScrollView *)scrollView
-{
-    if (scrollView == nil) {
-        return;
-    }
-
-    // Make a copy of the scroll view's state and then configure
-    _scrollViewState.showsVerticalScrollIndicator = self.scrollView.showsVerticalScrollIndicator;
-    scrollView.showsVerticalScrollIndicator = NO;
-
-    //Key-value Observers
-    [scrollView addObserver:self forKeyPath:@"contentOffset" options:NSKeyValueObservingOptionNew context:nil];
-    [scrollView addObserver:self forKeyPath:@"contentSize" options:NSKeyValueObservingOptionNew context:nil];
-}
-
-- (void)restoreScrollView:(UIScrollView *)scrollView
-{
-    if (scrollView == nil) {
-        return;
-    }
-
-    // Restore the scroll view's state
-    scrollView.showsVerticalScrollIndicator = _scrollView.showsVerticalScrollIndicator;
-
-    // Remove the observers
-    [scrollView removeObserver:self forKeyPath:@"contentOffset"];
-    [scrollView removeObserver:self forKeyPath:@"contentSize"];
-}
-
-- (void)willMoveToSuperview:(UIView *)newSuperview
-{
-    [super willMoveToSuperview:newSuperview];
-    [self setUpViews];
-}
-
-#pragma mark - Content Layout -
-
-- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
-                        change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context
-{
-    [self updateStateForScrollView];
-    if (self.hidden) { return; }
-    [self layoutInScrollView];
-    [self setNeedsLayout];
-}
-
-- (CGFloat)heightOfHandleForContentSize
-{
-    if (_scrollView == nil) {
-        return _handleMinimiumHeight;
-    }
-
-    CGFloat heightRatio = self.scrollView.frame.size.height / self.scrollView.contentSize.height;
-    CGFloat height = self.frame.size.height * heightRatio;
-
-    return MAX(floorf(height), _handleMinimiumHeight);
-}
-
-- (void)updateStateForScrollView
-{
-    CGRect frame = _scrollView.frame;
-    CGSize contentSize = _scrollView.contentSize;
-    self.disabled = (contentSize.height / frame.size.height) < _minimumContentHeightScale;
-    [self setHidden:(self.disabled || self.userHidden) animated:NO];
-}
-
-- (void)layoutInScrollView
-{
-    CGRect scrollViewFrame = _scrollView.frame;
-    UIEdgeInsets insets    = _scrollView.contentInset;
-    CGPoint contentOffset  = _scrollView.contentOffset;
-    CGFloat halfWidth      = (kTOScrollBarWidth * 0.5f);
-
-    if (@available(iOS 11.0, *)) {
-        insets = _scrollView.adjustedContentInset;
-    }
-
-    // Contract the usable space by the scroll view's content inset (eg navigation/tool bars)
-    scrollViewFrame.size.height -= (insets.top + insets.bottom);
-
-    CGFloat largeTitleDelta = 0.0f;
-    if (_insetForLargeTitles) {
-        largeTitleDelta = fabs(MIN(insets.top + contentOffset.y, 0.0f));
-    }
-
-    // Work out the final height be further contracting by the padding
-    CGFloat height = (scrollViewFrame.size.height - (_verticalInset.top + _verticalInset.bottom)) - largeTitleDelta;
-
-    // Work out how much we have to offset the track by to make sure all of the parent view
-    // is visible at the edge of the screen (Or else we'll be unable to tap properly)
-    CGFloat horizontalOffset = halfWidth - _edgeInset;
-    self.horizontalOffset = (horizontalOffset > 0.0f) ? horizontalOffset : 0.0f;
-
-    // Work out the frame for the scroll view
-    CGRect frame = CGRectZero;
-    
-    // Size
-    frame.size.width = kTOScrollBarWidth;
-    frame.size.height = (_dragging ? _originalHeight : height);
-    
-    // Horizontal placement
-    frame.origin.x = scrollViewFrame.size.width - (_edgeInset + halfWidth);
-    if (@available(iOS 11.0, *)) { frame.origin.x -= _scrollView.safeAreaInsets.right; }
-    frame.origin.x = MIN(frame.origin.x, scrollViewFrame.size.width - kTOScrollBarWidth);
-
-    // Vertical placement in scroll view
-    if (_dragging) {
-        frame.origin.y = _originalYOffset;
-    }
-    else {
-        frame.origin.y = _verticalInset.top;
-        frame.origin.y += insets.top;
-        frame.origin.y += largeTitleDelta;
-    }
-    frame.origin.y += contentOffset.y;
-
-    // Set the frame
-    self.frame = frame;
-    
-    // Bring the scroll bar to the front in case other subviews were subsequently added over it
-    [self.superview bringSubviewToFront:self];
-}
-
-- (void)layoutSubviews
-{
-    CGRect frame = self.frame;
-
-    // The frame of the track
-    CGRect trackFrame = CGRectZero;
-    trackFrame.size.width = _trackWidth;
-    trackFrame.size.height = frame.size.height;
-    trackFrame.origin.x = ceilf(((frame.size.width - _trackWidth) * 0.5f) + _horizontalOffset);
-    self.trackView.frame = CGRectIntegral(trackFrame);
-
-    // Don't handle automatic layout when dragging; we'll do that manually elsewhere
-    if (self.dragging || self.disabled) {
-        return;
-    }
-
-    // The frame of the handle
-    CGRect handleFrame = CGRectZero;
-    handleFrame.size.width = _handleWidth;
-    handleFrame.size.height = [self heightOfHandleForContentSize];
-    handleFrame.origin.x = ceilf(((frame.size.width - _handleWidth) * 0.5f) + _horizontalOffset);
-
-    // Work out the y offset of the handle
-    UIEdgeInsets contentInset = _scrollView.contentInset;
-    if (@available(iOS 11.0, *)) {
-        contentInset = _scrollView.safeAreaInsets;
-    }
-
-    CGPoint contentOffset     = _scrollView.contentOffset;
-    CGSize contentSize        = _scrollView.contentSize;
-    CGRect scrollViewFrame    = _scrollView.frame;
-
-    CGFloat scrollableHeight = (contentSize.height + contentInset.top + contentInset.bottom) - scrollViewFrame.size.height;
-    CGFloat scrollProgress = (contentOffset.y + contentInset.top) / scrollableHeight;
-    handleFrame.origin.y = (frame.size.height - handleFrame.size.height) * scrollProgress;
-
-    // If the scroll view expanded beyond its scrollable range, shrink the handle to match the rubber band effect
-    if (contentOffset.y < -contentInset.top) { // The top
-        handleFrame.size.height -= (-contentOffset.y - contentInset.top);
-        handleFrame.size.height = MAX(handleFrame.size.height, (_trackWidth * 2 + 2));
-    }
-    else if (contentOffset.y + scrollViewFrame.size.height > contentSize.height + contentInset.bottom) { // The bottom
-        CGFloat adjustedContentOffset = contentOffset.y + scrollViewFrame.size.height;
-        CGFloat delta = adjustedContentOffset - (contentSize.height + contentInset.bottom);
-        handleFrame.size.height -= delta;
-        handleFrame.size.height = MAX(handleFrame.size.height, (_trackWidth * 2 + 2));
-        handleFrame.origin.y = frame.size.height - handleFrame.size.height;
-    }
-
-    // Clamp to the bounds of the frame
-    handleFrame.origin.y = MAX(handleFrame.origin.y, 0.0f);
-    handleFrame.origin.y = MIN(handleFrame.origin.y, (frame.size.height - handleFrame.size.height));
-
-    self.handleView.frame = handleFrame;
-}
-
-- (void)setScrollYOffsetForHandleYOffset:(CGFloat)yOffset animated:(BOOL)animated
-{
-    CGFloat heightRange = _trackView.frame.size.height - _handleView.frame.size.height;
-    yOffset = MAX(0.0f, yOffset);
-    yOffset = MIN(heightRange, yOffset);
-
-    CGFloat positionRatio = yOffset / heightRange;
-
-    CGRect frame       = _scrollView.frame;
-    UIEdgeInsets inset = _scrollView.contentInset;
-    CGSize contentSize = _scrollView.contentSize;
-
-    if (@available(iOS 11.0, *)) {
-        inset = _scrollView.adjustedContentInset;
-    }
-    inset.top = _originalTopInset;
-
-    CGFloat totalScrollSize = (contentSize.height + inset.top + inset.bottom) - frame.size.height;
-    CGFloat scrollOffset = totalScrollSize * positionRatio;
-    scrollOffset -= inset.top;
-
-    CGPoint contentOffset = _scrollView.contentOffset;
-    contentOffset.y = scrollOffset;
-
-    // Animate to help coax the large title navigation bar to behave
-    if (@available(iOS 11.0, *)) {
-        [UIView animateWithDuration:animated ? 0.1f : 0.00001f animations:^{
-            [self.scrollView setContentOffset:contentOffset animated:NO];
-        }];
-    }
-    else {
-        [self.scrollView setContentOffset:contentOffset animated:NO];
-    }
-}
-
-#pragma mark - Scroll View Integration -
-
-- (void)addToScrollView:(UIScrollView *)scrollView
-{
-    if (scrollView == self.scrollView) {
-        return;
-    }
-
-    // Restore the previous scroll view
-    [self restoreScrollView:self.scrollView];
-
-    // Assign the new scroll view
-    self.scrollView = scrollView;
-
-    // Apply the observers/settings to the new scroll view
-    [self configureScrollView:scrollView];
-
-    // Add the scroll bar to the scroll view's content view
-    [self.scrollView addSubview:self];
-
-    // Add ourselves as a property of the scroll view
-    [self.scrollView setTo_scrollBar:self];
-
-    // Begin layout
-    [self layoutInScrollView];
-}
-
-- (void)removeFromScrollView
-{
-    [self restoreScrollView:self.scrollView];
-    [self removeFromSuperview];
-    [self.scrollView setTo_scrollBar:nil];
-    self.scrollView = nil;
-}
-
-- (UIEdgeInsets)adjustedTableViewSeparatorInsetForInset:(UIEdgeInsets)inset
-{
-    inset.right = _edgeInset * 2.0f;
-    return inset;
-}
-
-- (UIEdgeInsets)adjustedTableViewCellLayoutMarginsForMargins:(UIEdgeInsets)layoutMargins manualOffset:(CGFloat)offset
-{
-    layoutMargins.right = (_edgeInset * 2.0f) + 15.0f; // Magic system number is 20, but we can't infer that from here on time
-    layoutMargins.right += offset;
-    return layoutMargins;
-}
-
-#pragma mark - User Interaction -
-- (void)scrollBarGestureRecognized:(TOScrollBarGestureRecognizer *)recognizer
-{
-    CGPoint touchPoint = [recognizer locationInView:self];
-    
-    switch (recognizer.state) {
-        case UIGestureRecognizerStateBegan:
-            [self gestureBeganAtPoint:touchPoint];
-            break;
-        case UIGestureRecognizerStateChanged:
-            [self gestureMovedToPoint:touchPoint];
-            break;
-        case UIGestureRecognizerStateEnded:
-        case UIGestureRecognizerStateCancelled:
-            [self gestureEnded];
-            break;
-        default:
-            break;
-    }
-}
-
-- (void)gestureBeganAtPoint:(CGPoint)touchPoint
-{
-    if (self.disabled) {
-        return;
-    }
-
-    // Warm-up the feedback generator
-    [_feedbackGenerator prepare];
-
-    self.scrollView.scrollEnabled = NO;
-    self.dragging = YES;
-
-    // Capture the original position
-    self.originalHeight = self.frame.size.height;
-    self.originalYOffset = self.frame.origin.y - self.scrollView.contentOffset.y;
-
-    if (@available(iOS 11.0, *)) {
-        self.originalTopInset = _scrollView.adjustedContentInset.top;
-    } else {
-        self.originalTopInset = _scrollView.contentInset.top;
-    }
-
-    // Check if the user tapped inside the handle
-    CGRect handleFrame = self.handleView.frame;
-    if (touchPoint.y > (handleFrame.origin.y - 20) &&
-        touchPoint.y < handleFrame.origin.y + (handleFrame.size.height + 20))
-    {
-        self.yOffset = (touchPoint.y - handleFrame.origin.y);
-        return;
-    }
-
-	if (!self.handleExclusiveInteractionEnabled) {
-		// User tapped somewhere else, animate the handle to that point
-		CGFloat halfHeight = (handleFrame.size.height * 0.5f);
-
-		CGFloat destinationYOffset = touchPoint.y - halfHeight;
-		destinationYOffset = MAX(0.0f, destinationYOffset);
-		destinationYOffset = MIN(self.frame.size.height - halfHeight, destinationYOffset);
-
-		self.yOffset = (touchPoint.y - destinationYOffset);
-		handleFrame.origin.y = destinationYOffset;
-
-		[UIView animateWithDuration:0.2f
-							  delay:0.0f
-			 usingSpringWithDamping:1.0f
-			  initialSpringVelocity:0.1f options:UIViewAnimationOptionBeginFromCurrentState
-						 animations:^{
-							 self.handleView.frame = handleFrame;
-						 } completion:nil];
-
-		[self setScrollYOffsetForHandleYOffset:floorf(destinationYOffset) animated:NO];
-	}
-}
-
-- (void)gestureMovedToPoint:(CGPoint)touchPoint
-{
-    if (self.disabled) {
-        return;
-    }
-
-    CGFloat delta = 0.0f;
-    CGRect handleFrame = _handleView.frame;
-    CGRect trackFrame = _trackView.frame;
-    CGFloat minimumY = 0.0f;
-    CGFloat maximumY = trackFrame.size.height - handleFrame.size.height;
-
-	if (self.handleExclusiveInteractionEnabled) {
-		if (touchPoint.y < (handleFrame.origin.y - 20) ||
-			touchPoint.y > handleFrame.origin.y + (handleFrame.size.height + 20))
-		{
-			// This touch is not on the handle; eject.
-			return;
-		}
-	}
-	
-    // Apply the updated Y value plus the previous offset
-    delta = handleFrame.origin.y;
-    handleFrame.origin.y = touchPoint.y - _yOffset;
-
-    //Clamp the handle, and adjust the y offset to counter going outside the bounds
-    if (handleFrame.origin.y < minimumY) {
-        _yOffset += handleFrame.origin.y;
-        _yOffset = MAX(minimumY, _yOffset);
-        handleFrame.origin.y = minimumY;
-    }
-    else if (handleFrame.origin.y > maximumY) {
-        CGFloat handleOverflow = CGRectGetMaxY(handleFrame) - trackFrame.size.height;
-        _yOffset += handleOverflow;
-        _yOffset = MIN(self.yOffset, handleFrame.size.height);
-        handleFrame.origin.y = MIN(handleFrame.origin.y, maximumY);
-    }
-
-    _handleView.frame = handleFrame;
-
-    delta -= handleFrame.origin.y;
-    delta = fabs(delta);
-
-    // If the delta is not 0.0, but we're at either extreme,
-    // this is first frame we've since reaching that point.
-    // Play a taptic feedback impact
-    if (delta > FLT_EPSILON && (CGRectGetMinY(handleFrame) < FLT_EPSILON || CGRectGetMinY(handleFrame) >= maximumY - FLT_EPSILON)) {
-        [_feedbackGenerator impactOccurred];
-    }
-
-    // If the user is doing really granualar swipes, add a subtle amount
-    // of vertical animation so the scroll view isn't jumping on each frame
-    [self setScrollYOffsetForHandleYOffset:floorf(handleFrame.origin.y) animated:NO]; //(delta < 0.51f)
-}
-
-- (void)gestureEnded
-{
-    self.scrollView.scrollEnabled = YES;
-    self.dragging = NO;
-
-    [UIView animateWithDuration:0.5f delay:0.0f usingSpringWithDamping:1.0f initialSpringVelocity:0.5f options:0 animations:^{
-        [self layoutInScrollView];
-        [self layoutIfNeeded];
-    } completion:nil];
-}
-
-- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
-{
-    if (!self.handleExclusiveInteractionEnabled) {
-		return [super pointInside:point withEvent:event];
-	}
-    else {
-		CGFloat handleMinY = CGRectGetMinY(self.handleView.frame);
-		CGFloat handleMaxY = CGRectGetMaxY(self.handleView.frame);
-		return (0 <= point.x) && (handleMinY <= point.y) && (point.y <= handleMaxY);
-	}
-}
-
-- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
-{
-    UIView *result = [super hitTest:point withEvent:event];
-
-    if (self.disabled || self.dragging) {
-        return result;
-    }
-
-    // If the user contacts the screen in a swiping motion,
-    // the scroll view will automatically highjack the touch
-    // event unless we explicitly override it here.
-
-    self.scrollView.scrollEnabled = (result != self);
-    return result;
-}
-
-#pragma mark - Accessors -
-- (void)setStyle:(TOScrollBarStyle)style
-{
-    _style = style;
-    [self configureViewsForStyle:style];
-}
-
-- (UIColor *)trackTintColor { return self.trackView.tintColor; }
-
-- (void)setTrackTintColor:(UIColor *)trackTintColor
-{
-    self.trackView.tintColor = trackTintColor;
-}
-
-- (UIColor *)handleTintColor { return self.handleView.tintColor; }
-
-- (void)setHandleTintColor:(UIColor *)handleTintColor
-{
-    self.handleView.tintColor = handleTintColor;
-}
-
-- (void)setHidden:(BOOL)hidden
-{
-    self.userHidden = hidden;
-    [self setHidden:hidden animated:NO];
-}
-
-- (void)setHidden:(BOOL)hidden animated:(BOOL)animated
-{
-    // Override. It cannot be shown if it's disabled
-    if (_disabled) {
-        super.hidden = YES;
-        return;
-    }
-
-    // Simply show or hide it if we're not animating
-    if (animated == NO) {
-        super.hidden = hidden;
-        return;
-    }
-
-    // Show it if we're going to animate it
-    if (self.hidden && hidden == NO) {
-        super.hidden = NO;
-        [self layoutInScrollView];
-        [self setNeedsLayout];
-    }
-
-    CGRect fromFrame = self.frame;
-    CGRect toFrame = self.frame;
-
-    CGFloat widestElement = MAX(_trackWidth, _handleWidth);
-    CGFloat hiddenOffset = fromFrame.origin.x + _edgeInset + (widestElement * 2.0f);
-    if (hidden == NO) {
-        fromFrame.origin.x = hiddenOffset;
-    }
-    else {
-        toFrame.origin.x = hiddenOffset;
-    }
-
-    self.frame = fromFrame;
-    [UIView animateWithDuration:0.3f
-                          delay:0.0f
-         usingSpringWithDamping:1.0f
-          initialSpringVelocity:0.1f
-                        options:UIViewAnimationOptionBeginFromCurrentState
-                     animations:^{
-                         self.frame = toFrame;
-                     } completion:^(BOOL finished) {
-                         super.hidden = hidden;
-                     }];
-
-}
-
-#pragma mark - Image Generation -
-+ (UIImage *)verticalCapsuleImageWithWidth:(CGFloat)width
-{
-    UIImage *image = nil;
-    CGFloat radius = width * 0.5f;
-    CGRect frame = (CGRect){0, 0, width+1, width+1};
-
-    UIGraphicsBeginImageContextWithOptions(frame.size, NO, 0.0f);
-    [[UIBezierPath bezierPathWithRoundedRect:frame cornerRadius:radius] fill];
-    image = UIGraphicsGetImageFromCurrentImageContext();
-    UIGraphicsEndImageContext();
-
-    image = [image resizableImageWithCapInsets:UIEdgeInsetsMake(radius, radius, radius, radius) resizingMode:UIImageResizingModeStretch];
-    image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
-
-    return image;
-}
-
-@end
diff --git a/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.h b/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.h
deleted file mode 100755
index f7f693d13..000000000
--- a/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.h
+++ /dev/null
@@ -1,27 +0,0 @@
-//
-//  TOScrollBarGestureRecognizer.h
-//
-//  Copyright 2017 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import <UIKit/UIKit.h>
-
-@interface TOScrollBarGestureRecognizer : UIGestureRecognizer
-
-@end
diff --git a/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.m b/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.m
deleted file mode 100755
index 9068d13f8..000000000
--- a/Libraries external/TOScrollBar/TOScrollBarGestureRecognizer.m
+++ /dev/null
@@ -1,75 +0,0 @@
-//
-//  TOScrollBarGestureRecognizer.h
-//
-//  Copyright 2017 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import "TOScrollBarGestureRecognizer.h"
-#import <UIKit/UIGestureRecognizerSubclass.h>
-#import "TOScrollBar.h"
-
-@interface TOScrollBarGestureRecognizer ()
-
-@property (nonatomic, readonly) TOScrollBar *scrollBar; // The scroll bar this recognizer is attached to
-
-@end
-
-@implementation TOScrollBarGestureRecognizer
-
-#pragma mark - Gesture Recognizer Filtering -
-- (BOOL)canPreventGestureRecognizer:(UIGestureRecognizer *)preventedGestureRecognizer
-{
-    // Ensure that the pan gesture recognizer from the scroll view doesn't override the scroll bar
-    UIView *view = preventedGestureRecognizer.view;
-    if ([view isEqual:self.scrollBar.scrollView]) {
-        return YES;
-    }
-    
-    return NO;
-}
-
-#pragma mark - Touch Interaction -
-- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
-{
-    self.state = UIGestureRecognizerStateBegan;
-}
-
-- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
-{
-    self.state = UIGestureRecognizerStateChanged;
-}
-
-- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
-{
-    self.state = UIGestureRecognizerStateEnded;
-}
-
-- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
-{
-    self.state = UIGestureRecognizerStateCancelled;
-}
-
-#pragma mark - Accessors -
-- (TOScrollBar *)scrollBar
-{
-    if ([self.view isKindOfClass:[TOScrollBar class]] == NO) { return nil; }
-    return (TOScrollBar *)self.view;
-}
-
-@end
diff --git a/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.h b/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.h
deleted file mode 100755
index 1cc51d33d..000000000
--- a/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.h
+++ /dev/null
@@ -1,43 +0,0 @@
-//
-//  UIScrollView+TOScrollBar.h
-//
-//  Copyright 2016 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import <UIKit/UIKit.h>
-
-@class TOScrollBar;
-
-@interface UIScrollView (TOScrollBar)
-
-/** The scroll bar view currently added to this scroll view */
-@property (nullable, nonatomic, readonly) TOScrollBar *to_scrollBar;
-
-/**
- Adds a new scroll bar instance to this scroll bar
- @param scrollBar The scroll bar in which to add
- */
-- (void)to_addScrollBar:(nullable TOScrollBar *)scrollBar;
-
-/**
- Removes the current scroll bar (if any) from the scroll bar
- */
-- (void)to_removeScrollbar;
-
-@end
diff --git a/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.m b/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.m
deleted file mode 100755
index b0db1a2f1..000000000
--- a/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.m
+++ /dev/null
@@ -1,51 +0,0 @@
-//
-//  UIScrollView+TOScrollBar.m
-//
-//  Copyright 2016 Timothy Oliver. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to
-//  deal in the Software without restriction, including without limitation the
-//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-//  sell copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#import <objc/runtime.h>
-#import "UIScrollView+TOScrollBar.h"
-#import "TOScrollBar.h"
-
-static void * TOScrollBarPropertyKey = &TOScrollBarPropertyKey;
-
-@implementation UIScrollView (TOScrollBar)
-
-- (TOScrollBar *)to_scrollBar
-{
-    return objc_getAssociatedObject(self, TOScrollBarPropertyKey);
-}
-
-- (void)setTo_scrollBar:(TOScrollBar *)scrollBar
-{
-    objc_setAssociatedObject(self, TOScrollBarPropertyKey, scrollBar, OBJC_ASSOCIATION_RETAIN);
-}
-
-- (void)to_addScrollBar:(TOScrollBar *)scrollBar
-{
-    [scrollBar addToScrollView:self];
-}
-
-- (void)to_removeScrollbar
-{
-    [self.to_scrollBar removeFromScrollView];
-}
-
-@end