mirror of
https://github.com/vector-im/element-ios.git
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99 lines
3.9 KiB
Objective-C
99 lines
3.9 KiB
Objective-C
/*
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Copyright 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "RoomMemberTitleView.h"
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@implementation RoomMemberTitleView
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+ (UINib *)nib
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{
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return [UINib nibWithNibName:NSStringFromClass([self class])
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bundle:[NSBundle bundleForClass:[self class]]];
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}
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+ (instancetype)roomMemberTitleView
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{
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return [[[self class] nib] instantiateWithOwner:nil options:nil].firstObject;
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}
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- (void)awakeFromNib
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{
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[super awakeFromNib];
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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if (self.superview)
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{
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if (@available(iOS 11.0, *))
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{
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// Force the title view layout by adding 2 new constraints on the UINavigationBarContentView instance.
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NSLayoutConstraint *topConstraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeTop
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relatedBy:NSLayoutRelationEqual
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toItem:self.superview
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attribute:NSLayoutAttributeTop
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multiplier:1.0f
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constant:0.0f];
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NSLayoutConstraint *centerXConstraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeCenterX
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relatedBy:NSLayoutRelationEqual
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toItem:self.superview
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attribute:NSLayoutAttributeCenterX
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multiplier:1.0f
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constant:0.0f];
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[NSLayoutConstraint activateConstraints:@[topConstraint, centerXConstraint]];
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// Do not crop the avatar
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self.superview.clipsToBounds = NO;
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}
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else
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{
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// Center horizontally the avatar into the navigation bar
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CGRect frame = self.superview.frame;
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UINavigationBar *navigationBar;
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UIView *superView = self;
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while (superView.superview)
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{
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if ([superView.superview isKindOfClass:[UINavigationBar class]])
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{
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navigationBar = (UINavigationBar*)superView.superview;
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break;
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}
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superView = superView.superview;
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}
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if (navigationBar)
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{
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CGSize navBarSize = navigationBar.frame.size;
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CGFloat superviewCenterX = frame.origin.x + (frame.size.width / 2);
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self.memberAvatarMaskCenterXConstraint.constant = (navBarSize.width / 2) - superviewCenterX;
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}
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}
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}
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if (_delegate && [_delegate respondsToSelector:@selector(roomMemberTitleViewDidLayoutSubview:)])
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{
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[_delegate roomMemberTitleViewDidLayoutSubview:self];
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}
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}
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@end
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