_text-field-theme.scss

//
// Copyright 2022 Google Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

// Selector '.mdc-*' should only be used in this project.
// stylelint-disable selector-class-pattern --
// NOTE: this is the implementation of the aforementioned classes.

@use 'sass:map';
@use '@material/tokens/resolvers';
@use '@material/floating-label/mixins' as floating-label-mixins;
@use '@material/theme/theme';
@use '@material/typography/typography';

@use './text-field';

$light-theme: (
  active-indicator-color: null,
  active-indicator-height: null,
  caret-color: null,
  container-color: null,
  container-height: null,
  container-shape: null,
  disabled-active-indicator-color: null,
  disabled-active-indicator-height: null,
  disabled-active-indicator-opacity: null,
  disabled-container-color: null,
  disabled-container-opacity: null,
  disabled-input-text-color: null,
  disabled-input-text-opacity: null,
  disabled-label-text-color: null,
  disabled-label-text-opacity: null,
  disabled-leading-icon-color: null,
  disabled-leading-icon-opacity: null,
  disabled-outline-color: null,
  disabled-outline-opacity: null,
  disabled-outline-width: null,
  disabled-supporting-text-color: null,
  disabled-supporting-text-opacity: null,
  disabled-trailing-icon-color: null,
  disabled-trailing-icon-opacity: null,
  error-active-indicator-color: null,
  // Token key `error-caret-color` not available on DSDB.
  error-caret-color: null,
  error-focus-active-indicator-color: null,
  error-focus-caret-color: null,
  error-focus-input-text-color: null,
  error-focus-label-text-color: null,
  error-focus-leading-icon-color: null,
  error-focus-outline-color: null,
  error-focus-supporting-text-color: null,
  error-focus-trailing-icon-color: null,
  error-hover-active-indicator-color: null,
  // Token key `error-hover-caret-color` not available on DSDB.
  error-hover-caret-color: null,
  error-hover-input-text-color: null,
  error-hover-label-text-color: null,
  error-hover-leading-icon-color: null,
  error-hover-outline-color: null,
  error-hover-state-layer-color: null,
  error-hover-state-layer-opacity: null,
  error-hover-supporting-text-color: null,
  error-hover-trailing-icon-color: null,
  error-input-text-color: null,
  error-label-text-color: null,
  error-leading-icon-color: null,
  error-outline-color: null,
  error-supporting-text-color: null,
  error-trailing-icon-color: null,
  focus-active-indicator-color: null,
  focus-active-indicator-height: null,
  // Token key `focus-caret-color` not available on DSDB.
  focus-caret-color: null,
  focus-input-text-color: null,
  focus-label-text-color: null,
  focus-leading-icon-color: null,
  focus-outline-color: null,
  focus-outline-width: null,
  focus-supporting-text-color: null,
  focus-trailing-icon-color: null,
  hover-active-indicator-color: null,
  hover-active-indicator-height: null,
  // Token key `hover-caret-color` not available on DSDB.
  hover-caret-color: null,
  hover-input-text-color: null,
  hover-label-text-color: null,
  hover-leading-icon-color: null,
  hover-outline-color: null,
  hover-outline-width: null,
  hover-state-layer-color: null,
  hover-state-layer-opacity: null,
  hover-supporting-text-color: null,
  hover-trailing-icon-color: null,
  input-text-color: null,
  input-text-font: null,
  input-text-line-height: null,
  input-text-placeholder-color: null,
  input-text-prefix-color: null,
  input-text-size: null,
  input-text-suffix-color: null,
  input-text-tracking: null,
  input-text-type: null,
  input-text-weight: null,
  label-text-color: null,
  label-text-font: null,
  label-text-line-height: null,
  label-text-populated-line-height: null,
  label-text-populated-size: null,
  label-text-size: null,
  label-text-tracking: null,
  label-text-type: null,
  label-text-weight: null,
  leading-icon-color: null,
  leading-icon-size: null,
  outline-color: null,
  outline-width: null,
  supporting-text-color: null,
  supporting-text-font: null,
  supporting-text-line-height: null,
  supporting-text-size: null,
  supporting-text-tracking: null,
  supporting-text-type: null,
  supporting-text-weight: null,
  trailing-icon-color: null,
  trailing-icon-size: null,
);

@mixin theme-styles($theme, $resolvers: resolvers.$material) {
  @include theme.validate-theme-styles($light-theme, $theme);

  // TODO(b/261633818): Remove support for extraneous `*-caret-color` tokens.
  @include _caret-color(
    (
      default: map.get($theme, caret-color),
      hover: map.get($theme, hover-caret-color),
      focus: map.get($theme, focus-caret-color),
    )
  );
  @include _error-caret-color(
    (
      default: map.get($theme, error-caret-color),
      hover: map.get($theme, error-hover-caret-color),
      focus: map.get($theme, error-focus-caret-color),
    )
  );
  @include _input-text-color(
    (
      default: map.get($theme, input-text-color),
      hover: map.get($theme, hover-input-text-color),
      focus: map.get($theme, focus-input-text-color),
      disabled: map.get($theme, disabled-input-text-color),
    )
  );
  @include _error-input-text-color(
    (
      default: map.get($theme, error-input-text-color),
      hover: map.get($theme, error-hover-input-text-color),
      focus: map.get($theme, error-focus-input-text-color),
    )
  );
  @include _label-text-color(
    (
      default: map.get($theme, label-text-color),
      hover: map.get($theme, hover-label-text-color),
      focus: map.get($theme, focus-label-text-color),
      disabled: map.get($theme, disabled-label-text-color),
    )
  );
  @include _error-label-text-color(
    (
      default: map.get($theme, error-label-text-color),
      hover: map.get($theme, error-hover-label-text-color),
      focus: map.get($theme, error-focus-label-text-color),
    )
  );
  @include _leading-icon-color(
    (
      default: map.get($theme, leading-icon-color),
      hover: map.get($theme, hover-leading-icon-color),
      focus: map.get($theme, focus-leading-icon-color),
      disabled: map.get($theme, disabled-leading-icon-color),
    )
  );
  @include _error-leading-icon-color(
    (
      default: map.get($theme, error-leading-icon-color),
      hover: map.get($theme, error-hover-leading-icon-color),
      focus: map.get($theme, error-focus-leading-icon-color),
    )
  );
  @include _trailing-icon-color(
    (
      default: map.get($theme, trailing-icon-color),
      hover: map.get($theme, hover-trailing-icon-color),
      focus: map.get($theme, focus-trailing-icon-color),
      disabled: map.get($theme, disabled-trailing-icon-color),
    )
  );
  @include _error-trailing-icon-color(
    (
      default: map.get($theme, error-trailing-icon-color),
      hover: map.get($theme, error-hover-trailing-icon-color),
      focus: map.get($theme, error-focus-trailing-icon-color),
    )
  );
  @include _supporting-text-color(
    (
      default: map.get($theme, supporting-text-color),
      hover: map.get($theme, hover-supporting-text-color),
      focus: map.get($theme, focus-supporting-text-color),
      disabled: map.get($theme, disabled-supporting-text-color),
    )
  );
  @include _error-supporting-text-color(
    (
      default: map.get($theme, error-supporting-text-color),
      hover: map.get($theme, error-hover-supporting-text-color),
      focus: map.get($theme, error-focus-supporting-text-color),
    )
  );
  @include _input-text-typography(
    (
      font: map.get($theme, input-text-font),
      line-height: map.get($theme, input-text-line-height),
      size: map.get($theme, input-text-size),
      tracking: map.get($theme, input-text-tracking),
      weight: map.get($theme, input-text-weight),
    )
  );
  @include _label-text-typography(
    (
      font: map.get($theme, label-text-font),
      line-height: map.get($theme, label-text-line-height),
      size: map.get($theme, label-text-size),
      tracking: map.get($theme, label-text-tracking),
      weight: map.get($theme, label-text-weight),
    )
  );
  @include _label-text-populated-typography(
    (
      line-height: map.get($theme, label-text-populated-line-height),
      size: map.get($theme, label-text-populated-size),
    )
  );
  @include _supporting-text-typography(
    (
      font: map.get($theme, supporting-text-font),
      line-height: map.get($theme, supporting-text-line-height),
      size: map.get($theme, supporting-text-size),
      tracking: map.get($theme, supporting-text-tracking),
      weight: map.get($theme, supporting-text-weight),
    )
  );
  @include text-field.placeholder-color(
    map.get($theme, input-text-placeholder-color)
  );
}

@mixin _caret-color($colors) {
  @include if-enabled {
    @include _set-caret-color(map.get($colors, default));

    @include if-hovered {
      @include _set-caret-color(map.get($colors, hover));
    }

    @include if-focused {
      @include _set-caret-color(map.get($colors, focus));
    }
  }
}

@mixin _set-caret-color($color) {
  .mdc-text-field__input {
    @include theme.property(caret-color, $color);
  }
}

@mixin _error-caret-color($colors) {
  &.mdc-text-field--invalid {
    @include _caret-color($colors);
  }
}

@mixin _input-text-color($colors) {
  @include if-enabled {
    @include _set-input-text-color(map.get($colors, default));

    @include if-hovered {
      @include _set-input-text-color(map.get($colors, hover));
    }

    @include if-focused {
      @include _set-input-text-color(map.get($colors, focus));
    }
  }

  @include if-disabled {
    @include _set-input-text-color(map.get($colors, disabled));
  }
}

@mixin _set-input-text-color($color) {
  @if $color {
    .mdc-text-field__input {
      @include theme.property(color, $color);
    }
  }
}

@mixin _error-input-text-color($color) {
  &.mdc-text-field--invalid {
    @include _input-text-color($color);
  }
}

@mixin _label-text-color($colors) {
  @include if-enabled {
    @include _set-label-text-color(map.get($colors, default));

    @include if-focused {
      @include _set-label-text-color(map.get($colors, focus));
    }

    @include if-hovered {
      @include _set-label-text-color(map.get($colors, hover));
    }
  }

  @include if-disabled {
    @include _set-label-text-color(map.get($colors, disabled));
  }
}

@mixin _set-label-text-color($color) {
  .mdc-floating-label,
  .mdc-floating-label--float-above {
    @include floating-label-mixins.ink-color($color);
  }
}

@mixin _error-label-text-color($color) {
  &.mdc-text-field--invalid {
    @include _label-text-color($color);
  }
}

@mixin _leading-icon-color($colors) {
  @include if-enabled {
    @include _set-leading-icon-color(map.get($colors, default));

    @include if-hovered {
      @include _set-leading-icon-color(map.get($colors, hover));
    }

    @include if-focused {
      @include _set-leading-icon-color(map.get($colors, focus));
    }
  }

  @include if-disabled {
    @include _set-leading-icon-color(map.get($colors, disabled));
  }
}

@mixin _set-leading-icon-color($color) {
  .mdc-text-field__icon--leading {
    @include theme.property(color, $color);
  }
}

@mixin _error-leading-icon-color($color) {
  &.mdc-text-field--invalid {
    @include _leading-icon-color($color);
  }
}

@mixin _trailing-icon-color($colors) {
  @include if-enabled {
    @include _set-trailing-icon-color(map.get($colors, default));

    @include if-hovered {
      @include _set-trailing-icon-color(map.get($colors, hover));
    }

    @include if-focused {
      @include _set-trailing-icon-color(map.get($colors, focus));
    }
  }

  @include if-disabled {
    @include _set-trailing-icon-color(map.get($colors, disabled));
  }
}

@mixin _set-trailing-icon-color($color) {
  .mdc-text-field__icon--trailing {
    @include theme.property(color, $color);
  }
}

@mixin _error-trailing-icon-color($color) {
  &.mdc-text-field--invalid {
    @include _trailing-icon-color($color);
  }
}

@mixin _supporting-text-color($colors) {
  @include if-enabled {
    @include _set-supporting-text-color(map.get($colors, default));

    @include if-hovered {
      @include _set-supporting-text-color(map.get($colors, hover));
    }

    @include if-focused {
      @include _set-supporting-text-color(map.get($colors, focus));
    }
  }

  @include if-disabled {
    @include _set-supporting-text-color(map.get($colors, disabled));
  }
}

@mixin _error-supporting-text-color($color) {
  &.mdc-text-field--invalid {
    @include _supporting-text-color($color);
  }
}

@mixin _set-supporting-text-color($color) {
  & + .mdc-text-field-helper-line .mdc-text-field-helper-text,
  & + .mdc-text-field-helper-line .mdc-text-field-character-counter {
    @include theme.property(color, $color);
  }
}

@mixin _input-text-typography($typography-theme) {
  .mdc-text-field__input {
    @include typography.theme-styles($typography-theme);
  }
}

@mixin _label-text-typography($typography-theme) {
  .mdc-floating-label {
    @include typography.theme-styles($typography-theme);
  }
}

@mixin _label-text-populated-typography($typography-theme) {
  .mdc-floating-label--float-above {
    @include typography.theme-styles($typography-theme);
  }
}

@mixin _supporting-text-typography($typography-theme) {
  & + .mdc-text-field-helper-line .mdc-text-field-helper-text,
  & + .mdc-text-field-helper-line .mdc-text-field-character-counter {
    @include typography.theme-styles($typography-theme);
  }
}

/// Selector for hovered state
@mixin if-hovered {
  &:not(.mdc-text-field--focused):hover {
    @content;
  }
}

/// Selector for focused state
@mixin if-focused {
  &.mdc-text-field--focused {
    @content;
  }
}

/// Selector for enabled state
@mixin if-enabled {
  &:not(.mdc-text-field--disabled) {
    @content;
  }
}

/// Selector for disabled state
@mixin if-disabled {
  &.mdc-text-field--disabled {
    @content;
  }
}