Deprecates shouldForceTextInputbarAdjustment. Replaced with -forceTextInputbarAdjustmentForResponder: to allow a more selective verification of when the text input bar should adjust even when it is not the first responder.

This uses an experimental API to detect the current first responder.

Author: ignacio

Examples/Messenger/Pods/Pods.xcodeproj/project.pbxproj

@@ -0,0 +1,30 @@
+//
+//   Copyright 2014 Slack Technologies, Inc.
+//
+//   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 <UIKit/UIKit.h>
+
+/** @name UIResponder additional features used for SlackTextViewController. */
+@interface UIResponder (SLKAdditions)
+
+/**
+ Returns the current first responder object.
+ @discussion This is an experimental API. Use it at your own risk.
+ 
+ @return A UIResponder instance.
+ */
++ (instancetype)slk_currentFirstResponder;
+
+@end

Source/Additions/UIResponder+SLKAdditions.h

@@ -0,0 +1,38 @@
+//
+//   Copyright 2014 Slack Technologies, Inc.
+//
+//   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 "UIResponder+SLKAdditions.h"
+
+static __weak id ___currentFirstResponder;
+
+@implementation UIResponder (SLKAdditions)
+
+/**
+ Based on Jakob Egger's answer in http://stackoverflow.com/a/14135456/590010
+ */
++ (instancetype)slk_currentFirstResponder
+{
+    ___currentFirstResponder = nil;
+    [[UIApplication sharedApplication] sendAction:@selector(slk_findFirstResponder:) to:nil from:nil forEvent:nil];
+    return ___currentFirstResponder;
+}
+
+- (void)slk_findFirstResponder:(id)sender
+{
+    ___currentFirstResponder = self;
+}
+
+@end

Source/Additions/UIResponder+SLKAdditions.m

@@ -28,12 +28,14 @@
 
 /**
  Sets the content offset to the top.
+ 
  @param animated YES to animate the transition at a constant velocity to the new offset, NO to make the transition immediate.
  */
 - (void)slk_scrollToTopAnimated:(BOOL)animated;
 
 /**
  Sets the content offset to the bottom.
+ 
  @param animated YES to animate the transition at a constant velocity to the new offset, NO to make the transition immediate.
  */
 - (void)slk_scrollToBottomAnimated:(BOOL)animated;

Source/Additions/UIScrollView+SLKAdditions.h

@@ -83,7 +83,7 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
 @property (nonatomic, assign) BOOL shouldClearTextAtRightButtonPress;
 
 /** YES if the text input bar should still move up/down when other text inputs interacts with the keyboard. Default is NO. */
-@property (nonatomic, assign) BOOL shouldForceTextInputbarAdjustment;
+@property (nonatomic, assign) BOOL shouldForceTextInputbarAdjustment DEPRECATED_MSG_ATTRIBUTE("Use -forceTextInputbarAdjustmentForResponder:");
 
 /** YES if the scrollView should scroll to bottom when the keyboard is shown. Default is NO.*/
 @property (nonatomic, assign) BOOL shouldScrollToBottomAfterKeyboardShows;
@@ -185,6 +185,15 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
  */
 - (void)dismissKeyboard:(BOOL)animated;
 
+/**
+ Verifies if the text input bar should still move up/down even if it is not first responder. Default is NO.
+ You can override this method to perform additional tasks associated with presenting the view. You don't need call super since this method doesn't do anything.
+
+ @param responder The current first responder object.
+ @return YES so the text input bar still move up/down.
+ */
+- (BOOL)forceTextInputbarAdjustmentForResponder:(UIResponder *)responder;
+
 /**
  Notifies the view controller that the keyboard changed status.
  You can override this method to perform additional tasks associated with presenting the view. You don't need call super since this method doesn't do anything.

Source/Classes/SLKTextViewController.h

@@ -16,6 +16,7 @@
 
 #import "SLKTextViewController.h"
 #import "SLKInputAccessoryView.h"
+#import "UIResponder+SLKAdditions.h"
 #import "SLKUIConstants.h"
 
 NSString * const SLKKeyboardWillShowNotification =  @"SLKKeyboardWillShowNotification";
@@ -160,7 +161,6 @@ - (void)slk_commonInit
     self.shakeToClearEnabled = NO;
     self.keyboardPanningEnabled = YES;
     self.shouldClearTextAtRightButtonPress = YES;
-    self.shouldForceTextInputbarAdjustment = NO;
     self.shouldScrollToBottomAfterKeyboardShows = NO;
 }
 
@@ -666,6 +666,14 @@ - (void)dismissKeyboard:(BOOL)animated
     }
 }
 
+- (BOOL)forceTextInputbarAdjustmentForResponder:(UIResponder *)responder
+{
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+    return self.shouldForceTextInputbarAdjustment;
+#pragma GCC diagnostic pop
+}
+
 - (void)didChangeKeyboardStatus:(SLKKeyboardStatus)status
 {
     // No implementation here. Meant to be overriden in subclass.
@@ -1124,9 +1132,11 @@ - (void)slk_willShowOrHideKeyboard:(NSNotification *)notification
         return;
     }
 
+    NSLog(@"slk_currentFirstResponder : %@", [UIResponder slk_currentFirstResponder]);
+    
     // Skips this it's not the expected textView and shouldn't force adjustment of the text input bar.
     // This will also dismiss the text input bar if it's visible, and exit auto-completion mode if enabled.
-    if (![self.textView isFirstResponder] && !self.shouldForceTextInputbarAdjustment) {
+    if (![self.textView isFirstResponder] && ![self forceTextInputbarAdjustmentForResponder:[UIResponder slk_currentFirstResponder]]) {
         return [self slk_dismissTextInputbarIfNeeded];
     }