Merge pull request slackhq#216 from slackhq/textinput-adjustment-ignore

Adds the ability to ignore the textInputbar adjustment.

Author: fyaqub

Source/Classes/SLKTextViewController.h

@@ -202,6 +202,13 @@ NS_CLASS_AVAILABLE_IOS(7_0) @interface SLKTextViewController : UIViewController
  */
 - (BOOL)forceTextInputbarAdjustmentForResponder:(UIResponder *)responder;
 
+/**
+ Verifies if the text input bar should still move up/down when it is first responder. Default is NO.
+ This is very useful when presenting the view controller in a custom modal presentation, when there keyboard events are being handled externally to reframe the presented view.
+ You don't need call super since this method doesn't do anything.
+ */
+- (BOOL)ignoreTextInputbarAdjustment;
+
 /**
  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.m

@@ -404,6 +404,10 @@ - (CGFloat)slk_appropriateKeyboardHeight:(NSNotification *)notification
         return 0.0;
     }
 
+    if ([self ignoreTextInputbarAdjustment]) {
+        return 0.0;
+    }
+    
     CGRect endFrame = [self.view convertRect:[notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue] fromView:nil];
     return MAX(0.0, CGRectGetHeight(self.view.bounds) - CGRectGetMinY(endFrame) - CGRectGetHeight(self.inputAccessoryView.bounds));
 }
@@ -605,6 +609,11 @@ - (BOOL)forceTextInputbarAdjustmentForResponder:(UIResponder *)responder
 #pragma GCC diagnostic pop
 }
 
+- (BOOL)ignoreTextInputbarAdjustment
+{
+    return NO;
+}
+
 - (void)didChangeKeyboardStatus:(SLKKeyboardStatus)status
 {
     // No implementation here. Meant to be overriden in subclass.