element-ios/Riot/Managers/Theme/ThemeService.m
Neil Alexander 28fa5de6a3
Squashed commit of the following:
commit 7de5000bcbc9d5ddd65fa2b69726096c55951ecd
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Fri Jul 10 15:47:30 2020 +0100

    Remove logging

commit fdaecbd7f09e9fab622bfed93876b29d6e376c17
Author: Neil Alexander <neilalexander@users.noreply.github.com>
Date:   Fri Jul 10 15:45:51 2020 +0100

    Default theme to auto when not set
2020-07-10 15:59:43 +01:00

151 lines
4.3 KiB
Objective-C

/*
Copyright 2016 OpenMarket Ltd
Copyright 2017 Vector Creations Ltd
Copyright 2019 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import "ThemeService.h"
#ifdef IS_SHARE_EXTENSION
#import "RiotShareExtension-Swift.h"
#else
#import "Riot-Swift.h"
#endif
NSString *const kThemeServiceDidChangeThemeNotification = @"kThemeServiceDidChangeThemeNotification";
@implementation ThemeService
@synthesize themeId = _themeId;
+ (ThemeService *)shared
{
static ThemeService *sharedOnceInstance;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedOnceInstance = [ThemeService new];
});
return sharedOnceInstance;
}
- (void)setThemeId:(NSString *)theThemeId
{
_themeId = theThemeId;
[self reEvaluateTheme];
}
- (void)setTheme:(id<Theme> _Nonnull)theme
{
// update only if really changed
if (![_theme.identifier isEqualToString:theme.identifier])
{
_theme = theme;
[self updateAppearance];
[[NSNotificationCenter defaultCenter] postNotificationName:kThemeServiceDidChangeThemeNotification object:nil];
}
}
- (id<Theme>)themeWithThemeId:(NSString*)themeId
{
id<Theme> theme;
if (themeId == nil || [themeId isEqualToString:@"auto"])
{
if (@available(iOS 13, *))
{
// Translate "auto" into a theme with UITraitCollection
themeId = ([UITraitCollection currentTraitCollection].userInterfaceStyle == UIUserInterfaceStyleDark) ? @"dark" : @"light";
}
else
{
// Translate "auto" into a theme
themeId = UIAccessibilityIsInvertColorsEnabled() ? @"dark" : @"light";
}
}
if ([themeId isEqualToString:@"dark"])
{
theme = [DarkTheme new];
}
else if ([themeId isEqualToString:@"black"])
{
theme = [BlackTheme new];
}
else
{
// Use light theme by default
theme = [DefaultTheme new];
}
return theme;
}
#pragma mark - Private methods
- (instancetype)init
{
self = [super init];
if (self)
{
// Riot Colors not yet themeable
_riotColorBlue = [[UIColor alloc] initWithRgb:0x81BDDB];
_riotColorCuriousBlue = [[UIColor alloc] initWithRgb:0x2A9EDB];
_riotColorIndigo = [[UIColor alloc] initWithRgb:0xBD79CC];
_riotColorOrange = [[UIColor alloc] initWithRgb:0xF8A15F];
if (@available(iOS 13, *))
{
// Observe application did become active for iOS appearance setting changes
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidBecomeActive) name:UIApplicationDidBecomeActiveNotification object:nil];
}
else
{
// Observe "Invert Colours" settings changes (available since iOS 11)
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(accessibilityInvertColorsStatusDidChange) name:UIAccessibilityInvertColorsStatusDidChangeNotification object:nil];
}
}
return self;
}
- (void)reEvaluateTheme
{
self.theme = [self themeWithThemeId:self.themeId];
}
- (void)accessibilityInvertColorsStatusDidChange
{
[self reEvaluateTheme];
}
- (void)applicationDidBecomeActive
{
[self reEvaluateTheme];
}
- (void)updateAppearance
{
[UIScrollView appearance].indicatorStyle = self.theme.scrollBarStyle;
// Define the navigation bar text color
[[UINavigationBar appearance] setTintColor:self.theme.tintColor];
// Define the UISearchBar cancel button color
[[UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[UISearchBar class]]] setTitleTextAttributes:@{ NSForegroundColorAttributeName : self.theme.tintColor } forState: UIControlStateNormal];
}
@end