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111 lines
3.0 KiB
Objective-C
111 lines
3.0 KiB
Objective-C
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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#import "OWSSearchBar.h"
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#import "Theme.h"
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#import "UIView+OWS.h"
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#import <SignalMessaging/SignalMessaging-Swift.h>
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NS_ASSUME_NONNULL_BEGIN
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@implementation OWSSearchBar
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- (instancetype)init
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{
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if (self = [super init]) {
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[self ows_configure];
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}
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return self;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame]) {
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[self ows_configure];
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}
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return self;
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}
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- (nullable instancetype)initWithCoder:(NSCoder *)aDecoder
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{
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if (self = [super initWithCoder:aDecoder]) {
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[self ows_configure];
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}
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return self;
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}
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- (void)ows_configure
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{
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[self ows_applyTheme];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(themeDidChange:)
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name:ThemeDidChangeNotification
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object:nil];
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)ows_applyTheme
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{
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[self.class applyThemeToSearchBar:self];
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}
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+ (void)applyThemeToSearchBar:(UISearchBar *)searchBar
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{
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OWSAssertIsOnMainThread();
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UIColor *foregroundColor = Theme.placeholderColor;
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searchBar.barTintColor = Theme.backgroundColor;
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searchBar.barStyle = Theme.barStyle;
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// Hide searchBar border.
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// Alternatively we could hide the border by using `UISearchBarStyleMinimal`, but that causes an issue when toggling
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// from light -> dark -> light theme wherein the textField background color appears darker than it should
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// (regardless of our re-setting textfield.backgroundColor below).
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searchBar.backgroundImage = [UIImage new];
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if (Theme.isDarkThemeEnabled) {
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UIImage *clearImage = [UIImage imageNamed:@"searchbar_clear"];
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[searchBar setImage:[clearImage asTintedImageWithColor:foregroundColor]
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forSearchBarIcon:UISearchBarIconClear
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state:UIControlStateNormal];
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UIImage *searchImage = [UIImage imageNamed:@"searchbar_search"];
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[searchBar setImage:[searchImage asTintedImageWithColor:foregroundColor]
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forSearchBarIcon:UISearchBarIconSearch
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state:UIControlStateNormal];
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} else {
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[searchBar setImage:nil forSearchBarIcon:UISearchBarIconClear state:UIControlStateNormal];
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[searchBar setImage:nil forSearchBarIcon:UISearchBarIconSearch state:UIControlStateNormal];
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}
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[searchBar traverseViewHierarchyWithVisitor:^(UIView *view) {
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if ([view isKindOfClass:[UITextField class]]) {
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UITextField *textField = (UITextField *)view;
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textField.backgroundColor = Theme.searchFieldBackgroundColor;
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textField.textColor = Theme.primaryColor;
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textField.keyboardAppearance = Theme.keyboardAppearance;
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}
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}];
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}
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- (void)themeDidChange:(NSNotification *)notification
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{
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OWSAssertIsOnMainThread();
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[self ows_applyTheme];
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}
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@end
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NS_ASSUME_NONNULL_END
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