mirror of
https://github.com/danog/Telegram.git
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361 lines
13 KiB
Objective-C
361 lines
13 KiB
Objective-C
#import "TGUserInfoTextCollectionItemView.h"
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#import "TGFont.h"
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#import "TGImageUtils.h"
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#import "TGModernTextViewModel.h"
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#import "TGTelegraphConversationMessageAssetsSource.h"
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#import "ActionStage.h"
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#import "TGTelegraph.h"
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@interface TGUserInfoTextCollectionItemViewTextView : UIButton {
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NSArray *_currentLinkSelectionViews;
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NSString *_currentLink;
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}
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@property (nonatomic, copy) void (^followLink)(NSString *);
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@property (nonatomic, readonly) bool trackingLink;
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@property (nonatomic, strong) TGModernTextViewModel *textModel;
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@end
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@implementation TGUserInfoTextCollectionItemViewTextView
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self != nil) {
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self.opaque = false;
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self.backgroundColor = [UIColor clearColor];
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}
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return self;
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}
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- (void)setTextModel:(TGModernTextViewModel *)textModel {
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_textModel = textModel;
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[self setNeedsDisplay];
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}
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- (void)drawRect:(CGRect)__unused rect {
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CGContextRef context = UIGraphicsGetCurrentContext();
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[_textModel drawInContext:context];
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}
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- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)__unused event {
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if ([_textModel linkAtPoint:point regionData:NULL] != nil) {
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return self;
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}
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return nil;
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}
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- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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[super touchesBegan:touches withEvent:event];
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_trackingLink = true;
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[self updateLinkSelection:[[touches anyObject] locationInView:self]];
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}
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- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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[super touchesCancelled:touches withEvent:event];
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_trackingLink = false;
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[self clearLinkSelection];
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}
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- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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[super touchesEnded:touches withEvent:event];
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[self clearLinkSelection];
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if (_trackingLink) {
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_trackingLink = false;
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if (_currentLink.length != 0) {
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[self followLink:_currentLink];
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}
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}
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}
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- (void)followLink:(NSString *)link {
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if (_followLink) {
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_followLink(link);
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}
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}
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- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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[super touchesMoved:touches withEvent:event];
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}
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- (void)clearLinkSelection {
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for (UIView *view in _currentLinkSelectionViews) {
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[view removeFromSuperview];
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}
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_currentLinkSelectionViews = nil;
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}
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- (void)updateLinkSelection:(CGPoint)point
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{
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[self clearLinkSelection];
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CGPoint offset = CGPointZero;
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NSArray *regionData = nil;
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NSString *link = [_textModel linkAtPoint:CGPointMake(point.x - _textModel.frame.origin.x - offset.x, point.y - _textModel.frame.origin.y - offset.y) regionData:®ionData];
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CGPoint regionOffset = CGPointZero;
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if (link != nil)
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{
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_currentLink = link;
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CGRect topRegion = regionData.count > 0 ? [regionData[0] CGRectValue] : CGRectZero;
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CGRect middleRegion = regionData.count > 1 ? [regionData[1] CGRectValue] : CGRectZero;
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CGRect bottomRegion = regionData.count > 2 ? [regionData[2] CGRectValue] : CGRectZero;
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topRegion.origin = CGPointMake(topRegion.origin.x + regionOffset.x, topRegion.origin.y + regionOffset.y);
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middleRegion.origin = CGPointMake(middleRegion.origin.x + regionOffset.x, middleRegion.origin.y + regionOffset.y);
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bottomRegion.origin = CGPointMake(bottomRegion.origin.x + regionOffset.x, bottomRegion.origin.y + regionOffset.y);
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UIImageView *topView = nil;
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UIImageView *middleView = nil;
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UIImageView *bottomView = nil;
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UIImageView *topCornerLeft = nil;
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UIImageView *topCornerRight = nil;
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UIImageView *bottomCornerLeft = nil;
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UIImageView *bottomCornerRight = nil;
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NSMutableArray *linkHighlightedViews = [[NSMutableArray alloc] init];
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topView = [[UIImageView alloc] init];
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middleView = [[UIImageView alloc] init];
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bottomView = [[UIImageView alloc] init];
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topCornerLeft = [[UIImageView alloc] init];
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topCornerRight = [[UIImageView alloc] init];
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bottomCornerLeft = [[UIImageView alloc] init];
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bottomCornerRight = [[UIImageView alloc] init];
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if (topRegion.size.height != 0)
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{
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topView.hidden = false;
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topView.frame = topRegion;
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if (middleRegion.size.height == 0 && bottomRegion.size.height == 0)
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topView.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkFull];
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else
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topView.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkFull];
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}
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else
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{
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topView.hidden = true;
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topView.frame = CGRectZero;
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}
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if (middleRegion.size.height != 0)
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{
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middleView.hidden = false;
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middleView.frame = middleRegion;
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if (bottomRegion.size.height == 0)
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middleView.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkFull];
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else
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middleView.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkFull];
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}
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else
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{
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middleView.hidden = true;
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middleView.frame = CGRectZero;
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}
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if (bottomRegion.size.height != 0)
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{
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bottomView.hidden = false;
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bottomView.frame = bottomRegion;
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bottomView.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkFull];
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}
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else
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{
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bottomView.hidden = true;
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bottomView.frame = CGRectZero;
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}
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topCornerLeft.hidden = true;
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topCornerRight.hidden = true;
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bottomCornerLeft.hidden = true;
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bottomCornerRight.hidden = true;
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if (topRegion.size.height != 0 && middleRegion.size.height != 0)
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{
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if (topRegion.origin.x == middleRegion.origin.x)
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{
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topCornerLeft.hidden = false;
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topCornerLeft.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerLR];
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topCornerLeft.frame = CGRectMake(topRegion.origin.x, topRegion.origin.y + topRegion.size.height - 3.5f, 4, 7);
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}
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else if (topRegion.origin.x < middleRegion.origin.x + middleRegion.size.width - 3.5f)
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{
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topCornerLeft.hidden = false;
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topCornerLeft.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerBT];
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topCornerLeft.frame = CGRectMake(topRegion.origin.x - 3.5f, topRegion.origin.y + topRegion.size.height - 4, 7, 4);
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}
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if (topRegion.origin.x + topRegion.size.width == middleRegion.origin.x + middleRegion.size.width)
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{
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topCornerRight.hidden = false;
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topCornerRight.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerRL];
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topCornerRight.frame = CGRectMake(topRegion.origin.x + topRegion.size.width - 4, topRegion.origin.y + topRegion.size.height - 3.5f, 4, 7);
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}
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else if (topRegion.origin.x + topRegion.size.width < middleRegion.origin.x + middleRegion.size.width - 3.5f)
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{
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topCornerRight.hidden = false;
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topCornerRight.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerBT];
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topCornerRight.frame = CGRectMake(topRegion.origin.x + topRegion.size.width - 3.5f, topRegion.origin.y + topRegion.size.height - 4, 7, 4);
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}
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else if (bottomRegion.size.height == 0 && topRegion.origin.x < middleRegion.origin.x + middleRegion.size.width - 3.5f && topRegion.origin.x + topRegion.size.width > middleRegion.origin.x + middleRegion.size.width + 3.5f)
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{
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topCornerRight.hidden = false;
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topCornerRight.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerTB];
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topCornerRight.frame = CGRectMake(middleRegion.origin.x + middleRegion.size.width - 3.5f, middleRegion.origin.y, 7, 4);
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}
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}
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if (middleRegion.size.height != 0 && bottomRegion.size.height != 0)
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{
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if (middleRegion.origin.x == bottomRegion.origin.x)
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{
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bottomCornerLeft.hidden = false;
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bottomCornerLeft.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerLR];
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bottomCornerLeft.frame = CGRectMake(middleRegion.origin.x, middleRegion.origin.y + middleRegion.size.height - 3.5f, 4, 7);
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}
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if (bottomRegion.origin.x + bottomRegion.size.width < middleRegion.origin.x + middleRegion.size.width - 3.5f)
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{
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bottomCornerRight.hidden = false;
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bottomCornerRight.image = [[TGTelegraphConversationMessageAssetsSource instance] messageLinkCornerTB];
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bottomCornerRight.frame = CGRectMake(bottomRegion.origin.x + bottomRegion.size.width - 3.5f, bottomRegion.origin.y, 7, 4);
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}
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}
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if (!topView.hidden)
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[linkHighlightedViews addObject:topView];
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if (!middleView.hidden)
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[linkHighlightedViews addObject:middleView];
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if (!bottomView.hidden)
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[linkHighlightedViews addObject:bottomView];
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if (!topCornerLeft.hidden)
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[linkHighlightedViews addObject:topCornerLeft];
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if (!topCornerRight.hidden)
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[linkHighlightedViews addObject:topCornerRight];
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if (!bottomCornerLeft.hidden)
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[linkHighlightedViews addObject:bottomCornerLeft];
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if (!bottomCornerRight.hidden)
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[linkHighlightedViews addObject:bottomCornerRight];
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for (UIView *partView in linkHighlightedViews)
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{
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partView.frame = CGRectOffset(partView.frame, _textModel.frame.origin.x, _textModel.frame.origin.y + 1);
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[self addSubview:partView];
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}
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_currentLinkSelectionViews = linkHighlightedViews;
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}
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}
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@end
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@interface TGUserInfoTextCollectionItemView ()
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{
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UIView *_separatorView;
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UILabel *_labelView;
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TGUserInfoTextCollectionItemViewTextView *_textContentView;
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}
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@end
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@implementation TGUserInfoTextCollectionItemView
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+ (UIFont *)font
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{
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return TGSystemFontOfSize(17.0f);
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}
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+ (CGFloat)heightForWidth:(CGFloat)__unused width textModel:(TGModernTextViewModel *)textModel
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{
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CGSize textSize = textModel.frame.size;
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textSize.width = CGCeil(textSize.width);
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textSize.height = CGCeil(textSize.height);
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return textSize.height + 41.0f;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if (self != nil)
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{
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self.selectionInsets = UIEdgeInsetsMake(TGIsRetina() ? 0.5f : 1.0f, 0.0f, 0.0f, 0.0f);
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_separatorView = [[UIView alloc] init];
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_separatorView.backgroundColor = TGSeparatorColor();
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[self.backgroundView addSubview:_separatorView];
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_labelView = [[UILabel alloc] init];
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_labelView.backgroundColor = [UIColor clearColor];
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_labelView.textColor = TGAccentColor();
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_labelView.font = TGSystemFontOfSize(14.0f);
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[self addSubview:_labelView];
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_textContentView = [[TGUserInfoTextCollectionItemViewTextView alloc] init];
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_textContentView.userInteractionEnabled = true;
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[self.contentView addSubview:_textContentView];
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}
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return self;
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}
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- (void)setTitle:(NSString *)title
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{
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_labelView.text = title;
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[self setNeedsLayout];
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}
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- (void)setTextModel:(TGModernTextViewModel *)textModel
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{
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_textContentView.textModel = textModel;
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[self setNeedsLayout];
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}
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- (bool)shouldDisplayContextMenu {
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return ![_textContentView trackingLink];
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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CGRect bounds = self.bounds;
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CGFloat separatorHeight = TGIsRetina() ? 0.5f : 1.0f;
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_separatorView.frame = CGRectMake(35.0f, bounds.size.height - separatorHeight, bounds.size.width - 35.0f, separatorHeight);
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CGFloat leftPadding = 35.0f + TGRetinaPixel;
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CGSize labelSize = [_labelView.text sizeWithFont:_labelView.font constrainedToSize:CGSizeMake(bounds.size.width - leftPadding - 10.0f, CGFLOAT_MAX) lineBreakMode:NSLineBreakByWordWrapping];
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labelSize.width = CGCeil(labelSize.width);
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labelSize.height = CGCeil(labelSize.height);
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_labelView.frame = CGRectMake(leftPadding, 11.0f, labelSize.width, labelSize.height);
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CGRect frame = CGRectMake(35.0f, CGFloor(labelSize.height + 1.0f) + 8.0f, _textContentView.textModel.frame.size.width, _textContentView.textModel.frame.size.height);
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if (!CGSizeEqualToSize(_textContentView.frame.size, frame.size))
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{
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_textContentView.frame = frame;
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[_textContentView setNeedsDisplay];
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}
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}
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- (void)setFollowLink:(void (^)())followLink {
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_textContentView.followLink = followLink;
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}
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@end
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