components/TextFields/src/private/MDCTextInputCommonFundament.h

/*
 Copyright 2016-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 "MDCTextInput.h"

extern const CGFloat MDCTextInputBorderRadius;
extern const CGFloat MDCTextInputFullPadding;
extern const CGFloat MDCTextInputHalfPadding;

UIKIT_EXTERN UIColor *_Nonnull MDCTextInputCursorColor(void);

/** A controller for common traits shared by text inputs. */
@interface MDCTextInputCommonFundament : NSObject <MDCTextInput, NSCopying, NSSecureCoding>

/**
 An overlay view on the side of the input where reading and writing lines begin. In LTR this is
 the Left side. In RTL, the Right side.
 */
@property(nonatomic, nullable, strong) UIView *leadingView;

@property(nonatomic) UITextFieldViewMode leadingViewMode;

/** The color of the input's text. */
@property(nonatomic, nullable, strong) UIColor *textColor;

/** Designated initializer with the controlled text input. */
- (nonnull instancetype)initWithTextInput:(UIView<MDCTextInput> *_Nonnull)textInput
    NS_DESIGNATED_INITIALIZER;

/** Please use initWithTextInput:. */
- (nonnull instancetype)init NS_UNAVAILABLE;

/** Text began being edited event. */
- (void)didBeginEditing;

/** Text did change event. */
- (void)didChange;

/** Text stopped being edited event. */
- (void)didEndEditing;

/** Called by the controlled text input to notify the controller that it's font was set. */
- (void)didSetFont;

/** Called by the controlled text input to notify the controller that it's text was set manually. */
- (void)didSetText;

/** Mirror of UIView's layoutSubviews(). */
- (void)layoutSubviewsOfInput;

/** Mirror of UIView's updateConstraints(). */
- (void)updateConstraintsOfInput;

/** Clear button did touch event. */
- (void)clearButtonDidTouch;

- (nullable instancetype)initWithCoder:(NSCoder *_Nonnull)aDecoder NS_DESIGNATED_INITIALIZER;

@end