543 lines
15 KiB
Objective-C
543 lines
15 KiB
Objective-C
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import "UIView+OWS.h"
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#import "OWSMath.h"
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#import <SessionUtilitiesKit/AppContext.h>
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NS_ASSUME_NONNULL_BEGIN
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static inline CGFloat ScreenShortDimension()
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{
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return MIN([UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height);
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}
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static const CGFloat kIPhone5ScreenWidth = 320.f;
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static const CGFloat kIPhone7PlusScreenWidth = 414.f;
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CGFloat ScaleFromIPhone5To7Plus(CGFloat iPhone5Value, CGFloat iPhone7PlusValue)
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{
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CGFloat screenShortDimension = ScreenShortDimension();
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return (CGFloat)round(CGFloatLerp(iPhone5Value,
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iPhone7PlusValue,
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CGFloatClamp01(CGFloatInverseLerp(screenShortDimension, kIPhone5ScreenWidth, kIPhone7PlusScreenWidth))));
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}
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CGFloat ScaleFromIPhone5(CGFloat iPhone5Value)
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{
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CGFloat screenShortDimension = ScreenShortDimension();
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return (CGFloat)round(iPhone5Value * screenShortDimension / kIPhone5ScreenWidth);
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}
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#pragma mark -
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@implementation UIView (OWS)
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- (NSArray<NSLayoutConstraint *> *)autoPinWidthToSuperviewWithMargin:(CGFloat)margin
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:margin],
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[self autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:margin],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinWidthToSuperviewMargins
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewMargin:ALEdgeLeading],
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[self autoPinEdgeToSuperviewMargin:ALEdgeTrailing],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinWidthToSuperview
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewEdge:ALEdgeLeft],
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[self autoPinEdgeToSuperviewEdge:ALEdgeRight],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinLeadingAndTrailingToSuperviewMargin
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinLeadingToSuperviewMargin],
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[self autoPinTrailingToSuperviewMargin],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinHeightToSuperviewWithMargin:(CGFloat)margin
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:margin],
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[self autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:margin],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinHeightToSuperview
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewEdge:ALEdgeTop],
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[self autoPinEdgeToSuperviewEdge:ALEdgeBottom],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)ows_autoPinToSuperviewEdges
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinEdgeToSuperviewEdge:ALEdgeLeft],
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[self autoPinEdgeToSuperviewEdge:ALEdgeRight],
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[self autoPinEdgeToSuperviewEdge:ALEdgeTop],
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[self autoPinEdgeToSuperviewEdge:ALEdgeBottom],
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];
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return result;
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}
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- (NSArray<NSLayoutConstraint *> *)ows_autoPinToSuperviewMargins
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{
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NSArray<NSLayoutConstraint *> *result = @[
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[self autoPinTopToSuperviewMargin],
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[self autoPinLeadingToSuperviewMargin],
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[self autoPinTrailingToSuperviewMargin],
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[self autoPinBottomToSuperviewMargin],
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];
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return result;
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}
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- (NSLayoutConstraint *)autoHCenterInSuperview
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{
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return [self autoAlignAxis:ALAxisVertical toSameAxisOfView:self.superview];
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}
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- (NSLayoutConstraint *)autoVCenterInSuperview
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{
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return [self autoAlignAxis:ALAxisHorizontal toSameAxisOfView:self.superview];
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}
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- (void)autoPinWidthToWidthOfView:(UIView *)view
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{
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[self autoPinEdge:ALEdgeLeft toEdge:ALEdgeLeft ofView:view];
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[self autoPinEdge:ALEdgeRight toEdge:ALEdgeRight ofView:view];
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}
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- (void)autoPinHeightToHeightOfView:(UIView *)view
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{
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[self autoPinEdge:ALEdgeTop toEdge:ALEdgeTop ofView:view];
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[self autoPinEdge:ALEdgeBottom toEdge:ALEdgeBottom ofView:view];
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}
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- (NSLayoutConstraint *)autoPinToSquareAspectRatio
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{
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return [self autoPinToAspectRatio:1.0];
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}
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- (NSLayoutConstraint *)autoPinToAspectRatioWithSize:(CGSize)size {
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return [self autoPinToAspectRatio:size.width / size.height];
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}
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- (NSLayoutConstraint *)autoPinToAspectRatio:(CGFloat)ratio
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{
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return [self autoPinToAspectRatio:ratio relation:NSLayoutRelationEqual];
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}
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- (NSLayoutConstraint *)autoPinToAspectRatio:(CGFloat)ratio relation:(NSLayoutRelation)relation
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{
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// Clamp to ensure view has reasonable aspect ratio.
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CGFloat clampedRatio = CGFloatClamp(ratio, 0.05f, 95.0f);
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeWidth
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relatedBy:relation
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toItem:self
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attribute:NSLayoutAttributeHeight
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multiplier:clampedRatio
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constant:0.f];
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[constraint autoInstall];
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return constraint;
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}
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#pragma mark - Content Hugging and Compression Resistance
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- (void)setContentHuggingLow
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{
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[self setContentHuggingHorizontalLow];
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[self setContentHuggingVerticalLow];
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}
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- (void)setContentHuggingHigh
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{
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[self setContentHuggingHorizontalHigh];
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[self setContentHuggingVerticalHigh];
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}
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- (void)setContentHuggingHorizontalLow
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{
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[self setContentHuggingPriority:UILayoutPriorityDefaultLow forAxis:UILayoutConstraintAxisHorizontal];
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}
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- (void)setContentHuggingHorizontalHigh
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{
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[self setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
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}
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- (void)setContentHuggingVerticalLow
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{
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[self setContentHuggingPriority:UILayoutPriorityDefaultLow forAxis:UILayoutConstraintAxisVertical];
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}
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- (void)setContentHuggingVerticalHigh
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{
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[self setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisVertical];
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}
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- (void)setCompressionResistanceLow
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{
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[self setCompressionResistanceHorizontalLow];
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[self setCompressionResistanceVerticalLow];
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}
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- (void)setCompressionResistanceHigh
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{
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[self setCompressionResistanceHorizontalHigh];
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[self setCompressionResistanceVerticalHigh];
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}
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- (void)setCompressionResistanceHorizontalLow
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{
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[self setContentCompressionResistancePriority:0 forAxis:UILayoutConstraintAxisHorizontal];
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}
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- (void)setCompressionResistanceHorizontalHigh
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{
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[self setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
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}
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- (void)setCompressionResistanceVerticalLow
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{
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[self setContentCompressionResistancePriority:0 forAxis:UILayoutConstraintAxisVertical];
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}
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- (void)setCompressionResistanceVerticalHigh
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{
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[self setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisVertical];
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}
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#pragma mark - Manual Layout
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- (CGFloat)left
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{
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return self.frame.origin.x;
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}
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- (CGFloat)right
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{
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return self.frame.origin.x + self.frame.size.width;
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}
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- (CGFloat)top
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{
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return self.frame.origin.y;
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}
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- (CGFloat)bottom
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{
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return self.frame.origin.y + self.frame.size.height;
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}
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- (CGFloat)width
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{
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return self.frame.size.width;
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}
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- (CGFloat)height
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{
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return self.frame.size.height;
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}
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- (void)centerOnSuperview
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{
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CGFloat x = (CGFloat)round((self.superview.width - self.width) * 0.5f);
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CGFloat y = (CGFloat)round((self.superview.height - self.height) * 0.5f);
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self.frame = CGRectMake(x, y, self.width, self.height);
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}
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#pragma mark - RTL
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- (NSLayoutConstraint *)autoPinLeadingToSuperviewMargin
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{
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return [self autoPinLeadingToSuperviewMarginWithInset:0];
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}
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- (NSLayoutConstraint *)autoPinLeadingToSuperviewMarginWithInset:(CGFloat)inset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint =
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[self.leadingAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.leadingAnchor constant:inset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinTrailingToSuperviewMargin
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{
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return [self autoPinTrailingToSuperviewMarginWithInset:0];
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}
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- (NSLayoutConstraint *)autoPinTrailingToSuperviewMarginWithInset:(CGFloat)inset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint =
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[self.trailingAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.trailingAnchor constant:-inset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinBottomToSuperviewMargin
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{
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return [self autoPinBottomToSuperviewMarginWithInset:0.f];
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}
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- (NSLayoutConstraint *)autoPinBottomToSuperviewMarginWithInset:(CGFloat)inset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint =
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[self.bottomAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.bottomAnchor constant:-inset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinTopToSuperviewMargin
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{
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return [self autoPinTopToSuperviewMarginWithInset:0.f];
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}
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- (NSLayoutConstraint *)autoPinTopToSuperviewMarginWithInset:(CGFloat)inset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint =
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[self.topAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.topAnchor constant:inset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinLeadingToTrailingEdgeOfView:(UIView *)view
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{
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return [self autoPinLeadingToTrailingEdgeOfView:view offset:0];
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}
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- (NSLayoutConstraint *)autoPinLeadingToTrailingEdgeOfView:(UIView *)view offset:(CGFloat)offset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [self.leadingAnchor constraintEqualToAnchor:view.trailingAnchor constant:offset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinTrailingToLeadingEdgeOfView:(UIView *)view
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{
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return [self autoPinTrailingToLeadingEdgeOfView:view offset:0];
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}
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- (NSLayoutConstraint *)autoPinTrailingToLeadingEdgeOfView:(UIView *)view offset:(CGFloat)offset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [self.trailingAnchor constraintEqualToAnchor:view.leadingAnchor constant:-offset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinLeadingToEdgeOfView:(UIView *)view
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{
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return [self autoPinLeadingToEdgeOfView:view offset:0];
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}
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- (NSLayoutConstraint *)autoPinLeadingToEdgeOfView:(UIView *)view offset:(CGFloat)offset
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [self.leadingAnchor constraintEqualToAnchor:view.leadingAnchor constant:offset];
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constraint.active = YES;
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return constraint;
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}
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- (NSLayoutConstraint *)autoPinTrailingToEdgeOfView:(UIView *)view
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{
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return [self autoPinTrailingToEdgeOfView:view offset:0];
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}
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- (NSLayoutConstraint *)autoPinTrailingToEdgeOfView:(UIView *)view offset:(CGFloat)margin
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [self.trailingAnchor constraintEqualToAnchor:view.trailingAnchor constant:margin];
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constraint.active = YES;
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return constraint;
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}
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- (NSTextAlignment)textAlignmentUnnatural
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{
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return (CurrentAppContext().isRTL ? NSTextAlignmentLeft : NSTextAlignmentRight);
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}
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- (void)setHLayoutMargins:(CGFloat)value
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{
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UIEdgeInsets layoutMargins = self.layoutMargins;
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layoutMargins.left = value;
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layoutMargins.right = value;
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self.layoutMargins = layoutMargins;
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}
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- (NSArray<NSLayoutConstraint *> *)autoPinToEdgesOfView:(UIView *)view
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{
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return @[
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[self autoPinEdge:ALEdgeTop toEdge:ALEdgeTop ofView:view],
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[self autoPinEdge:ALEdgeBottom toEdge:ALEdgeBottom ofView:view],
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[self autoPinEdge:ALEdgeLeading toEdge:ALEdgeLeading ofView:view],
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[self autoPinEdge:ALEdgeTrailing toEdge:ALEdgeTrailing ofView:view],
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];
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}
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#pragma mark - Containers
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+ (UIView *)containerView
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{
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UIView *view = [UIView new];
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// Leading and trailing anchors honor layout margins.
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// When using a UIView as a "div" to structure layout, we don't want it to have margins.
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view.layoutMargins = UIEdgeInsetsZero;
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return view;
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}
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+ (UIView *)verticalStackWithSubviews:(NSArray<UIView *> *)subviews spacing:(int)spacing
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{
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UIView *container = [UIView containerView];
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UIView *_Nullable lastSubview = nil;
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for (UIView *subview in subviews) {
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[container addSubview:subview];
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[subview autoPinWidthToSuperview];
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if (lastSubview) {
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[subview autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:lastSubview withOffset:spacing];
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} else {
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[subview autoPinEdgeToSuperviewEdge:ALEdgeTop];
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}
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lastSubview = subview;
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}
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[lastSubview autoPinEdgeToSuperviewEdge:ALEdgeBottom];
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return container;
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}
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#pragma mark - Debugging
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- (void)addBorderWithColor:(UIColor *)color
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{
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self.layer.borderColor = color.CGColor;
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self.layer.borderWidth = 1;
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}
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- (void)addRedBorder
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{
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[self addBorderWithColor:[UIColor redColor]];
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}
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- (void)addRedBorderRecursively
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{
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[self addRedBorder];
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for (UIView *subview in self.subviews) {
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[subview addRedBorderRecursively];
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}
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}
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- (void)traverseViewHierarchyWithVisitor:(UIViewVisitorBlock)visitor
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{
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visitor(self);
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for (UIView *subview in self.subviews) {
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[subview traverseViewHierarchyWithVisitor:visitor];
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}
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}
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@end
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#pragma mark -
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@implementation UIScrollView (OWS)
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- (BOOL)applyScrollViewInsetsFix
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{
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return NO;
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}
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@end
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#pragma mark -
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@implementation UIStackView (OWS)
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- (UIView *)addBackgroundViewWithBackgroundColor:(UIColor *)backgroundColor
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{
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UIView *subview = [UIView new];
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subview.backgroundColor = backgroundColor;
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[self addSubview:subview];
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[subview autoPinEdgesToSuperviewEdges];
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[subview setCompressionResistanceLow];
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[subview setContentHuggingLow];
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[self sendSubviewToBack:subview];
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return subview;
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}
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- (UIView *)addBorderViewWithColor:(UIColor *)color strokeWidth:(CGFloat)strokeWidth cornerRadius:(CGFloat)cornerRadius
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{
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UIView *borderView = [UIView new];
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borderView.userInteractionEnabled = NO;
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borderView.backgroundColor = UIColor.clearColor;
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borderView.opaque = NO;
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borderView.layer.borderColor = color.CGColor;
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borderView.layer.borderWidth = strokeWidth;
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borderView.layer.cornerRadius = cornerRadius;
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[self addSubview:borderView];
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[borderView autoPinEdgesToSuperviewEdges];
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[borderView setCompressionResistanceLow];
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[borderView setContentHuggingLow];
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return borderView;
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}
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@end
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#pragma mark -
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@implementation UIAlertAction (OWS)
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+ (instancetype)actionWithTitle:(nullable NSString *)title
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accessibilityIdentifier:(nullable NSString *)accessibilityIdentifier
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style:(UIAlertActionStyle)style
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handler:(void (^__nullable)(UIAlertAction *action))handler
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{
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UIAlertAction *action = [UIAlertAction actionWithTitle:title style:style handler:handler];
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action.accessibilityIdentifier = accessibilityIdentifier;
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return action;
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}
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@end
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#pragma mark -
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CGFloat CGHairlineWidth()
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{
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return 1.f / UIScreen.mainScreen.scale;
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}
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NS_ASSUME_NONNULL_END
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