session-ios/Signal/src/views/OWSSystemMessageCell.m

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//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "OWSSystemMessageCell.h"
#import "NSBundle+JSQMessages.h"
#import "TSUnreadIndicatorInteraction.h"
#import "UIColor+OWS.h"
#import "UIFont+OWS.h"
#import "UIView+OWS.h"
#import <JSQMessagesViewController/UIView+JSQMessages.h>
#import <SignalServiceKit/TSErrorMessage.h>
@interface OWSSystemMessageCell ()
//@property (nonatomic) UIView *bannerView;
//@property (nonatomic) UIView *bannerTopHighlightView;
//@property (nonatomic) UIView *bannerBottomHighlightView1;
//@property (nonatomic) UIView *bannerBottomHighlightView2;
@property (nonatomic) UIImageView *imageView;
@property (nonatomic) UILabel *titleLabel;
//@property (nonatomic) UILabel *subtitleLabel;
@end
#pragma mark -
@implementation OWSSystemMessageCell
+ (NSString *)cellReuseIdentifier
{
return NSStringFromClass([self class]);
}
- (void)configure
{
self.backgroundColor = [UIColor whiteColor];
if (!self.titleLabel) {
// self.bannerView = [UIView new];
// self.bannerView.backgroundColor = [UIColor colorWithRGBHex:0xf6eee3];
// [self.contentView addSubview:self.bannerView];
//
// self.bannerTopHighlightView = [UIView new];
// self.bannerTopHighlightView.backgroundColor = [UIColor colorWithRGBHex:0xf9f3eb];
// [self.bannerView addSubview:self.bannerTopHighlightView];
//
// self.bannerBottomHighlightView1 = [UIView new];
// self.bannerBottomHighlightView1.backgroundColor = [UIColor colorWithRGBHex:0xd1c6b8];
// [self.bannerView addSubview:self.bannerBottomHighlightView1];
//
// self.bannerBottomHighlightView2 = [UIView new];
// self.bannerBottomHighlightView2.backgroundColor = [UIColor colorWithRGBHex:0xdbcfc0];
// [self.bannerView addSubview:self.bannerBottomHighlightView2];
self.imageView = [UIImageView new];
[self.contentView addSubview:self.imageView];
self.titleLabel = [UILabel new];
self.titleLabel.textColor = [UIColor colorWithRGBHex:0x403e3b];
self.titleLabel.font = [OWSSystemMessageCell titleFont];
self.titleLabel.numberOfLines = 0;
self.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
[self.contentView addSubview:self.titleLabel];
// self.subtitleLabel = [UILabel new];
// self.subtitleLabel.text = [OWSSystemMessageCell subtitleForInteraction:self.interaction];
// self.subtitleLabel.textColor = [UIColor ows_infoMessageBorderColor];
// self.subtitleLabel.font = [OWSSystemMessageCell subtitleFont];
// self.subtitleLabel.numberOfLines = 0;
// self.subtitleLabel.lineBreakMode = NSLineBreakByWordWrapping;
// self.subtitleLabel.textAlignment = NSTextAlignmentCenter;
// [self.contentView addSubview:self.subtitleLabel];
}
// [self.imageView addRedBorder];
// [self addRedBorder];
UIColor *contentColor = [UIColor ows_darkGrayColor];
UIImage *icon = [self iconForInteraction:self.interaction];
self.imageView.image = [icon imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
// self.imageView.tintColor = [UIColor colorWithRGBHex:0x505050];
self.imageView.tintColor = contentColor;
// self.imageView.image = [OWSSystemMessageCell iconForInteraction:self.interaction];
self.titleLabel.text = [OWSSystemMessageCell titleForInteraction:self.interaction];
self.titleLabel.textColor = contentColor;
[self setNeedsLayout];
}
- (UIImage *)iconForInteraction:(TSInteraction *)interaction
{
UIImage *result = nil;
if ([interaction isKindOfClass:[TSErrorMessage class]]) {
// TODO:
result = [UIImage imageNamed:@"system_message_security"];
} else {
OWSFail(@"Unknown interaction type");
return nil;
}
OWSAssert(result);
return result;
// return NSLocalizedString(@"MESSAGES_VIEW_UNREAD_INDICATOR", @"Indicator that separates read from unread
// messages.")
// .uppercaseString;
}
+ (NSString *)titleForInteraction:(TSInteraction *)interaction
{
if ([interaction isKindOfClass:[TSErrorMessage class]]) {
// TODO: Should we move the copy generation into this view?
return interaction.description;
} else {
OWSFail(@"Unknown interaction type");
return nil;
}
// return NSLocalizedString(@"MESSAGES_VIEW_UNREAD_INDICATOR", @"Indicator that separates read from unread
// messages.")
// .uppercaseString;
}
+ (UIFont *)titleFont
{
return [UIFont ows_regularFontWithSize:13.f];
}
//+ (UIFont *)subtitleFont
//{
// return [UIFont ows_regularFontWithSize:12.f];
//}
//+ (NSString *)subtitleForInteraction:(TSUnreadIndicatorInteraction *)interaction
//{
// if (!interaction.hasMoreUnseenMessages) {
// return nil;
// }
// NSString *subtitleFormat = (interaction.missingUnseenSafetyNumberChangeCount > 0
// ? NSLocalizedString(@"MESSAGES_VIEW_UNREAD_INDICATOR_HAS_MORE_UNSEEN_MESSAGES_FORMAT",
// @"Messages that indicates that there are more unseen messages that be revealed by tapping the 'load
// "
// @"earlier messages' button. Embeds {{the name of the 'load earlier messages' button}}")
// : NSLocalizedString(
// @"MESSAGES_VIEW_UNREAD_INDICATOR_HAS_MORE_UNSEEN_MESSAGES_AND_SAFETY_NUMBER_CHANGES_FORMAT",
// @"Messages that indicates that there are more unseen messages including safety number changes that "
// @"be revealed by tapping the 'load earlier messages' button. Embeds {{the name of the 'load earlier
// "
// @"messages' button}}."));
// NSString *loadMoreButtonName = [NSBundle jsq_localizedStringForKey:@"load_earlier_messages"];
// return [NSString stringWithFormat:subtitleFormat, loadMoreButtonName];
//}
//+ (CGFloat)subtitleHMargin
//{
// return 20.f;
//}
//
//+ (CGFloat)subtitleVSpacing
//{
// return 3.f;
//}
//
//+ (CGFloat)titleInnerHMargin
//{
// return 10.f;
//}
//
//+ (CGFloat)titleVMargin
//{
// return 5.5f;
//}
+ (CGFloat)hMargin
{
return 30.f;
}
+ (CGFloat)topVMargin
{
return 5.f;
}
+ (CGFloat)bottomVMargin
{
return 5.f;
}
+ (CGFloat)hSpacing
{
return 10.f;
}
+ (CGFloat)iconSize
{
return 30.f;
}
- (void)layoutSubviews
{
[super layoutSubviews];
// [self.titleLabel sizeToFit];
//
// // It's a bit of a hack, but we use a view that extends _outside_ the cell's bounds
// // to draw its background, since we want the background to extend to the edges of the
// // collection view.
// //
// // This layout logic assumes that the cell insets are symmetrical and can be deduced
// // from the cell frame.
// CGRect bannerViewFrame = CGRectMake(-self.left,
// round(OWSSystemMessageCell.topVMargin),
// round(self.width + self.left * 2.f),
// round(self.titleLabel.height + OWSSystemMessageCell.titleVMargin * 2.f));
// self.bannerView.frame = [self convertRect:bannerViewFrame toView:self.contentView];
//
// // The highlights should be 1px (not 1pt), so adapt their thickness to
// // the device resolution.
// CGFloat kHighlightThickness = 1.f / [UIScreen mainScreen].scale;
// self.bannerTopHighlightView.frame = CGRectMake(0, 0, self.bannerView.width, kHighlightThickness);
// self.bannerBottomHighlightView1.frame
// = CGRectMake(0, self.bannerView.height - kHighlightThickness * 2.f, self.bannerView.width,
// kHighlightThickness);
// self.bannerBottomHighlightView2.frame
// = CGRectMake(0, self.bannerView.height - kHighlightThickness * 1.f, self.bannerView.width,
// kHighlightThickness);
//
// [self.titleLabel centerOnSuperview];
CGFloat maxTitleWidth = (self.contentView.width
- ([OWSSystemMessageCell hMargin] * 2.f + [OWSSystemMessageCell hSpacing] + [OWSSystemMessageCell iconSize]));
CGSize titleSize = [self.titleLabel sizeThatFits:CGSizeMake(maxTitleWidth, CGFLOAT_MAX)];
// CGFloat contentWidth = ceil([OWSSystemMessageCell iconSize] +
// [OWSSystemMessageCell hSpacing] +
// titleSize.width);
// self.imageView.frame = CGRectMake(round((self.contentView.width - contentWidth) * 0.5f),
self.imageView.frame = CGRectMake(round([OWSSystemMessageCell hMargin]),
round((self.contentView.height - [OWSSystemMessageCell iconSize]) * 0.5f),
[OWSSystemMessageCell iconSize],
[OWSSystemMessageCell iconSize]);
self.titleLabel.frame = CGRectMake(round(self.imageView.right + [OWSSystemMessageCell hSpacing]),
round((self.contentView.height - titleSize.height) * 0.5f),
ceil(titleSize.width + 1.f),
ceil(titleSize.height + 1.f));
// [self.titleLabel addRedBorder];
// if (self.subtitleLabel.text.length > 0) {
// CGSize subtitleSize = [self.subtitleLabel
// sizeThatFits:CGSizeMake(
// self.contentView.width - [OWSSystemMessageCell subtitleHMargin] * 2.f, CGFLOAT_MAX)];
// self.subtitleLabel.frame = CGRectMake(round((self.contentView.width - subtitleSize.width) * 0.5f),
// round(self.bannerView.bottom + OWSSystemMessageCell.subtitleVSpacing),
// ceil(subtitleSize.width),
// ceil(subtitleSize.height));
// }
}
+ (CGSize)cellSizeForInteraction:(TSInteraction *)interaction collectionViewWidth:(CGFloat)collectionViewWidth
{
CGSize result = CGSizeMake(collectionViewWidth, 0);
// result.height += self.titleVMargin * 2.f;
result.height += self.topVMargin;
result.height += self.bottomVMargin;
NSString *title = [self titleForInteraction:interaction];
// NSString *subtitle = [self subtitleForInteraction:interaction];
// Creating a UILabel to measure the layout is expensive, but it's the only
// reliable way to do it. Unread indicators should be rare, so this is acceptable.
UILabel *label = [UILabel new];
label.font = [self titleFont];
label.text = title;
label.numberOfLines = 0;
label.lineBreakMode = NSLineBreakByWordWrapping;
CGFloat maxTitleWidth = (collectionViewWidth - ([self hMargin] * 2.f + [self hSpacing] + [self iconSize]));
CGSize titleSize = [label sizeThatFits:CGSizeMake(maxTitleWidth, CGFLOAT_MAX)];
CGFloat contentHeight = ceil(MAX([self iconSize], titleSize.height));
result.height += contentHeight;
// if (subtitle.length > 0) {
// result.height += self.subtitleVSpacing;
//
// label.font = [self subtitleFont];
// label.text = subtitle;
// // The subtitle may wrap to a second line.
// label.lineBreakMode = NSLineBreakByWordWrapping;
// label.numberOfLines = 0;
// result.height += ceil(
// [label sizeThatFits:CGSizeMake(collectionViewWidth - self.subtitleHMargin * 2.f,
// CGFLOAT_MAX)].height);
// }
return result;
}
@end