509 lines
14 KiB
Objective-C
509 lines
14 KiB
Objective-C
//
|
|
// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
#import "UIView+OWS.h"
|
|
#import "OWSMath.h"
|
|
#import <SignalServiceKit/AppContext.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
static inline CGFloat ScreenShortDimension()
|
|
{
|
|
return MIN([UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height);
|
|
}
|
|
|
|
static const CGFloat kIPhone5ScreenWidth = 320.f;
|
|
static const CGFloat kIPhone7PlusScreenWidth = 414.f;
|
|
|
|
CGFloat ScaleFromIPhone5To7Plus(CGFloat iPhone5Value, CGFloat iPhone7PlusValue)
|
|
{
|
|
CGFloat screenShortDimension = ScreenShortDimension();
|
|
return round(CGFloatLerp(iPhone5Value,
|
|
iPhone7PlusValue,
|
|
CGFloatInverseLerp(screenShortDimension, kIPhone5ScreenWidth, kIPhone7PlusScreenWidth)));
|
|
}
|
|
|
|
CGFloat ScaleFromIPhone5(CGFloat iPhone5Value)
|
|
{
|
|
CGFloat screenShortDimension = ScreenShortDimension();
|
|
return round(iPhone5Value * screenShortDimension / kIPhone5ScreenWidth);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
@implementation UIView (OWS)
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinWidthToSuperviewWithMargin:(CGFloat)margin
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:margin],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:margin],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinWidthToSuperview
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeLeft],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeRight],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinLeadingAndTrailingToSuperviewMargin
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinLeadingToSuperviewMargin],
|
|
[self autoPinTrailingToSuperviewMargin],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinHeightToSuperviewWithMargin:(CGFloat)margin
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeTop withInset:margin],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:margin],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinHeightToSuperview
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeTop],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeBottom],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSArray<NSLayoutConstraint *> *)autoPinToSuperviewEdges
|
|
{
|
|
NSArray<NSLayoutConstraint *> *result = @[
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeLeft],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeRight],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeTop],
|
|
[self autoPinEdgeToSuperviewEdge:ALEdgeBottom],
|
|
];
|
|
return result;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoHCenterInSuperview
|
|
{
|
|
return [self autoAlignAxis:ALAxisVertical toSameAxisOfView:self.superview];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoVCenterInSuperview
|
|
{
|
|
return [self autoAlignAxis:ALAxisHorizontal toSameAxisOfView:self.superview];
|
|
}
|
|
|
|
- (void)autoPinWidthToWidthOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
[self autoPinEdge:ALEdgeLeft toEdge:ALEdgeLeft ofView:view];
|
|
[self autoPinEdge:ALEdgeRight toEdge:ALEdgeRight ofView:view];
|
|
}
|
|
|
|
- (void)autoPinHeightToHeightOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
[self autoPinEdge:ALEdgeTop toEdge:ALEdgeTop ofView:view];
|
|
[self autoPinEdge:ALEdgeBottom toEdge:ALEdgeBottom ofView:view];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinToSquareAspectRatio
|
|
{
|
|
return [self autoPinToAspectRatio:1.0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinToAspectRatio:(CGFloat)ratio
|
|
{
|
|
// Clamp to ensure view has reasonable aspect ratio.
|
|
CGFloat clampedRatio = CGFloatClamp(ratio, 0.05, 95.0);
|
|
if (clampedRatio != ratio) {
|
|
OWSFail(@"Invalid aspect ratio: %f for view: %@", ratio, self);
|
|
}
|
|
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
NSLayoutConstraint *constraint = [NSLayoutConstraint constraintWithItem:self
|
|
attribute:NSLayoutAttributeWidth
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeHeight
|
|
multiplier:clampedRatio
|
|
constant:0.f];
|
|
[constraint autoInstall];
|
|
return constraint;
|
|
}
|
|
|
|
#pragma mark - Content Hugging and Compression Resistance
|
|
|
|
- (void)setContentHuggingLow
|
|
{
|
|
[self setContentHuggingHorizontalLow];
|
|
[self setContentHuggingVerticalLow];
|
|
}
|
|
|
|
- (void)setContentHuggingHigh
|
|
{
|
|
[self setContentHuggingHorizontalHigh];
|
|
[self setContentHuggingVerticalHigh];
|
|
}
|
|
|
|
- (void)setContentHuggingHorizontalLow
|
|
{
|
|
[self setContentHuggingPriority:UILayoutPriorityDefaultLow forAxis:UILayoutConstraintAxisHorizontal];
|
|
}
|
|
|
|
- (void)setContentHuggingHorizontalHigh
|
|
{
|
|
[self setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
|
|
}
|
|
|
|
- (void)setContentHuggingVerticalLow
|
|
{
|
|
[self setContentHuggingPriority:UILayoutPriorityDefaultLow forAxis:UILayoutConstraintAxisVertical];
|
|
}
|
|
|
|
- (void)setContentHuggingVerticalHigh
|
|
{
|
|
[self setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisVertical];
|
|
}
|
|
|
|
- (void)setCompressionResistanceLow
|
|
{
|
|
[self setCompressionResistanceHorizontalLow];
|
|
[self setCompressionResistanceVerticalLow];
|
|
}
|
|
|
|
- (void)setCompressionResistanceHigh
|
|
{
|
|
[self setCompressionResistanceHorizontalHigh];
|
|
[self setCompressionResistanceVerticalHigh];
|
|
}
|
|
|
|
- (void)setCompressionResistanceHorizontalLow
|
|
{
|
|
[self setContentCompressionResistancePriority:0 forAxis:UILayoutConstraintAxisHorizontal];
|
|
}
|
|
|
|
- (void)setCompressionResistanceHorizontalHigh
|
|
{
|
|
[self setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
|
|
}
|
|
|
|
- (void)setCompressionResistanceVerticalLow
|
|
{
|
|
[self setContentCompressionResistancePriority:0 forAxis:UILayoutConstraintAxisVertical];
|
|
}
|
|
|
|
- (void)setCompressionResistanceVerticalHigh
|
|
{
|
|
[self setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisVertical];
|
|
}
|
|
|
|
#pragma mark - Manual Layout
|
|
|
|
- (CGFloat)left
|
|
{
|
|
return self.frame.origin.x;
|
|
}
|
|
|
|
- (CGFloat)right
|
|
{
|
|
return self.frame.origin.x + self.frame.size.width;
|
|
}
|
|
|
|
- (CGFloat)top
|
|
{
|
|
return self.frame.origin.y;
|
|
}
|
|
|
|
- (CGFloat)bottom
|
|
{
|
|
return self.frame.origin.y + self.frame.size.height;
|
|
}
|
|
|
|
- (CGFloat)width
|
|
{
|
|
return self.frame.size.width;
|
|
}
|
|
|
|
- (CGFloat)height
|
|
{
|
|
return self.frame.size.height;
|
|
}
|
|
|
|
- (void)centerOnSuperview
|
|
{
|
|
OWSAssert(self.superview);
|
|
|
|
self.frame = CGRectMake(round((self.superview.width - self.width) * 0.5f),
|
|
round((self.superview.height - self.height) * 0.5f),
|
|
self.width,
|
|
self.height);
|
|
}
|
|
|
|
#pragma mark - RTL
|
|
|
|
- (BOOL)isRTL
|
|
{
|
|
return ([UIView userInterfaceLayoutDirectionForSemanticContentAttribute:self.semanticContentAttribute]
|
|
== UIUserInterfaceLayoutDirectionRightToLeft);
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToSuperviewMargin
|
|
{
|
|
return [self autoPinLeadingToSuperviewMarginWithInset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToSuperviewMarginWithInset:(CGFloat)inset
|
|
{
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint =
|
|
[self.leadingAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.leadingAnchor constant:inset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToSuperviewMargin
|
|
{
|
|
return [self autoPinTrailingToSuperviewMarginWithInset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToSuperviewMarginWithInset:(CGFloat)inset
|
|
{
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint =
|
|
[self.trailingAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.trailingAnchor constant:-inset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinBottomToSuperviewMargin
|
|
{
|
|
return [self autoPinBottomToSuperviewMarginWithInset:0.f];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinBottomToSuperviewMarginWithInset:(CGFloat)inset
|
|
{
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint =
|
|
[self.bottomAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.bottomAnchor constant:-inset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTopToSuperviewMargin
|
|
{
|
|
return [self autoPinTopToSuperviewMarginWithInset:0.f];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTopToSuperviewMarginWithInset:(CGFloat)inset
|
|
{
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint =
|
|
[self.topAnchor constraintEqualToAnchor:self.superview.layoutMarginsGuide.topAnchor constant:inset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToTrailingEdgeOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
return [self autoPinLeadingToTrailingEdgeOfView:view offset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToTrailingEdgeOfView:(UIView *)view offset:(CGFloat)offset
|
|
{
|
|
OWSAssert(view);
|
|
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint = [self.leadingAnchor constraintEqualToAnchor:view.trailingAnchor constant:offset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToLeadingEdgeOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
return [self autoPinTrailingToLeadingEdgeOfView:view offset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToLeadingEdgeOfView:(UIView *)view offset:(CGFloat)offset
|
|
{
|
|
OWSAssert(view);
|
|
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint = [self.trailingAnchor constraintEqualToAnchor:view.leadingAnchor constant:-offset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToEdgeOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
return [self autoPinLeadingToEdgeOfView:view offset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinLeadingToEdgeOfView:(UIView *)view offset:(CGFloat)offset
|
|
{
|
|
OWSAssert(view);
|
|
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint = [self.leadingAnchor constraintEqualToAnchor:view.leadingAnchor constant:offset];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToEdgeOfView:(UIView *)view
|
|
{
|
|
OWSAssert(view);
|
|
|
|
return [self autoPinTrailingToEdgeOfView:view offset:0];
|
|
}
|
|
|
|
- (NSLayoutConstraint *)autoPinTrailingToEdgeOfView:(UIView *)view offset:(CGFloat)margin
|
|
{
|
|
OWSAssert(view);
|
|
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
NSLayoutConstraint *constraint = [self.trailingAnchor constraintEqualToAnchor:view.trailingAnchor constant:margin];
|
|
constraint.active = YES;
|
|
return constraint;
|
|
}
|
|
|
|
- (NSTextAlignment)textAlignmentUnnatural
|
|
{
|
|
return (self.isRTL ? NSTextAlignmentLeft : NSTextAlignmentRight);
|
|
}
|
|
|
|
- (void)setHLayoutMargins:(CGFloat)value
|
|
{
|
|
UIEdgeInsets layoutMargins = self.layoutMargins;
|
|
layoutMargins.left = value;
|
|
layoutMargins.right = value;
|
|
self.layoutMargins = layoutMargins;
|
|
}
|
|
|
|
#pragma mark - Containers
|
|
|
|
+ (UIView *)containerView
|
|
{
|
|
UIView *view = [UIView new];
|
|
// Leading and trailing anchors honor layout margins.
|
|
// When using a UIView as a "div" to structure layout, we don't want it to have margins.
|
|
view.layoutMargins = UIEdgeInsetsZero;
|
|
return view;
|
|
}
|
|
|
|
+ (UIView *)verticalStackWithSubviews:(NSArray<UIView *> *)subviews spacing:(int)spacing
|
|
{
|
|
UIView *container = [UIView containerView];
|
|
UIView *_Nullable lastSubview = nil;
|
|
for (UIView *subview in subviews) {
|
|
[container addSubview:subview];
|
|
[subview autoPinWidthToSuperview];
|
|
if (lastSubview) {
|
|
[subview autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:lastSubview withOffset:spacing];
|
|
} else {
|
|
[subview autoPinEdgeToSuperviewEdge:ALEdgeTop];
|
|
}
|
|
lastSubview = subview;
|
|
}
|
|
[lastSubview autoPinEdgeToSuperviewEdge:ALEdgeBottom];
|
|
return container;
|
|
}
|
|
|
|
#pragma mark - Debugging
|
|
|
|
- (void)addBorderWithColor:(UIColor *)color
|
|
{
|
|
self.layer.borderColor = color.CGColor;
|
|
self.layer.borderWidth = 1;
|
|
}
|
|
|
|
- (void)addRedBorder
|
|
{
|
|
[self addBorderWithColor:[UIColor redColor]];
|
|
}
|
|
|
|
- (void)addRedBorderRecursively
|
|
{
|
|
[self addRedBorder];
|
|
for (UIView *subview in self.subviews) {
|
|
[subview addRedBorderRecursively];
|
|
}
|
|
}
|
|
|
|
- (void)logFrameLater
|
|
{
|
|
[self logFrameLaterWithLabel:@""];
|
|
}
|
|
|
|
- (void)logFrameLaterWithLabel:(NSString *)label
|
|
{
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
DDLogVerbose(@"%@ %@ frame: %@, hidden: %d, opacity: %f",
|
|
self.logTag,
|
|
label,
|
|
NSStringFromCGRect(self.frame),
|
|
self.hidden,
|
|
self.layer.opacity);
|
|
});
|
|
}
|
|
|
|
- (void)logHierarchyUpwardLaterWithLabel:(NSString *)label
|
|
{
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
DDLogVerbose(@"%@ %@ ----", self.logTag, label);
|
|
});
|
|
|
|
UIResponder *responder = self;
|
|
while (responder) {
|
|
if ([responder isKindOfClass:[UIView class]]) {
|
|
UIView *view = (UIView *)responder;
|
|
[view logFrameLaterWithLabel:@"\t"];
|
|
}
|
|
responder = responder.nextResponder;
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
#pragma mark -
|
|
|
|
@implementation UIScrollView (OWS)
|
|
|
|
- (void)applyScrollViewInsetsFix
|
|
{
|
|
// Fix a bug that only affects iOS 11.0.x and 11.1.x.
|
|
// The symptom is a fix weird animation that happens when using the interactive pop gesture.
|
|
if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(11, 0) && !SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(11, 2)) {
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wpartial-availability"
|
|
self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
|
|
#pragma clang diagnostic pop
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|