components/private/TextControlsPrivate/src/Shared/MDCTextControlSideViewSupport.m

// Copyright 2020-present the Material Components for iOS authors. All Rights Reserved.
//
// 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 "MDCTextControlSideViewSupport.h"

#import <UIKit/UIKit.h>

BOOL MDCTextControlShouldDisplaySideViewWithSideView(UIView *sideView, UITextFieldViewMode viewMode,
                                                     BOOL isEditing) {
  BOOL displaysSideView = NO;
  if (sideView && !CGSizeEqualToSize(CGSizeZero, sideView.frame.size)) {
    switch (viewMode) {
      case UITextFieldViewModeWhileEditing:
        displaysSideView = isEditing;
        break;
      case UITextFieldViewModeUnlessEditing:
        displaysSideView = !isEditing;
        break;
      case UITextFieldViewModeAlways:
        displaysSideView = YES;
        break;
      case UITextFieldViewModeNever:
        displaysSideView = NO;
        break;
      default:
        break;
    }
  }
  return displaysSideView;
}