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makeKeyAndVisible restores first responder, so no need to track it
ourselves. This isn't *quite* as nice for the case when we want to restore a textfield that was active before, but it much more simply covers the more important case that we restore input accessory views after backgrounding/foregrounding. // FREEBIE
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@ -552,15 +552,7 @@ typedef enum : NSUInteger {
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- (BOOL)canBecomeFirstResponder
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{
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// Normally there'd be no mechanism for us to become first responder while presenting
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// another view controller, however due to our screen lock window juggling, a side effect of
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// calling `makeKeyAndVisible` is that "last known" first responder is sent "becomeFirstResponder",
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// regardless of if it is no longer the top most VC.
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if (self.presentedViewController) {
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return NO;
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} else {
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return YES;
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}
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}
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- (nullable UIView *)inputAccessoryView
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@ -67,9 +67,6 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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@property (nonatomic, nullable) UIViewController *callViewController;
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@property (nonatomic, nullable) UIResponder *rootWindowResponder;
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@property (nonatomic, nullable, weak) UIViewController *rootFrontmostViewController;
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@end
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#pragma mark -
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@ -348,37 +345,11 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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DDLogInfo(@"%@ showing root window.", self.logTag);
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}
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BOOL shouldTryToRestoreFirstResponder = self.rootWindow.hidden;
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// By calling makeKeyAndVisible we ensure the rootViewController becomes firt responder.
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// In the normal case, that means the SignalViewController will call `becomeFirstResponder` on the vc on top of it's
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// navigation stack.
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[self.rootWindow makeKeyAndVisible];
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// When we hide the block window, try to restore the first
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// responder of the root window.
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//
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// It's important we restore first responder status once the user completes
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// In some cases, (RegistrationLock Reminder) it just puts the keyboard back where
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// the user needs it, saving them a tap.
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// But in the case of an inputAccessoryView, like the ConversationViewController,
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// failing to restore firstResponder could hide the input toolbar.
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if (shouldTryToRestoreFirstResponder) {
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UIViewController *rootFrontmostViewController =
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[UIApplication.sharedApplication frontmostViewControllerIgnoringAlerts];
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DDLogInfo(@"%@ trying to restore self.rootWindowResponder: %@ (%@ ? %@ == %d)",
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self.logTag,
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self.rootWindowResponder,
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[self.rootFrontmostViewController class],
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rootFrontmostViewController,
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self.rootFrontmostViewController == rootFrontmostViewController);
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if (self.rootFrontmostViewController == rootFrontmostViewController) {
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[self.rootWindowResponder becomeFirstResponder];
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} else {
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[rootFrontmostViewController becomeFirstResponder];
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}
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}
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self.rootWindowResponder = nil;
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self.rootFrontmostViewController = nil;
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}
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- (void)ensureRootWindowHidden
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@ -389,17 +360,6 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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DDLogInfo(@"%@ hiding root window.", self.logTag);
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}
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// When we hide the root window, try to capture its first responder and
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// current vc before it is hidden.
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if (!self.rootWindow.hidden) {
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self.rootWindowResponder = [UIResponder currentFirstResponder];
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self.rootFrontmostViewController = [UIApplication.sharedApplication frontmostViewControllerIgnoringAlerts];
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DDLogInfo(@"%@ trying to capture self.rootWindowResponder: %@ (%@)",
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self.logTag,
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self.rootWindowResponder,
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[self.rootFrontmostViewController class]);
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}
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self.rootWindow.hidden = YES;
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}
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@ -450,7 +410,6 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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}
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[self.callViewWindow makeKeyAndVisible];
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[self.callViewWindow.rootViewController becomeFirstResponder];
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}
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- (void)ensureCallViewWindowHidden
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@ -473,7 +432,7 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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}
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self.screenBlockingWindow.windowLevel = UIWindowLevel_ScreenBlocking();
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[self.screenBlockingWindow.rootViewController becomeFirstResponder];
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[self.screenBlockingWindow makeKeyAndVisible];
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}
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- (void)ensureScreenBlockWindowHidden
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@ -488,7 +447,6 @@ const UIWindowLevel UIWindowLevel_ScreenBlocking(void)
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// Instead, manipulate its window level to move it in front of
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// or behind the root window.
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self.screenBlockingWindow.windowLevel = UIWindowLevel_Background;
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[self.screenBlockingWindow resignFirstResponder];
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}
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#pragma mark - Events
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@ -33,9 +33,6 @@ import LocalAuthentication
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private let OWSScreenLock_Key_IsScreenLockEnabled = "OWSScreenLock_Key_IsScreenLockEnabled"
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private let OWSScreenLock_Key_ScreenLockTimeoutSeconds = "OWSScreenLock_Key_ScreenLockTimeoutSeconds"
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// We temporarily resign any first responder while the Screen Lock is presented.
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weak var firstResponderBeforeLockscreen: UIResponder?
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// MARK - Singleton class
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@objc(sharedManager)
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