//
// Copyright 2019 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.
//

@import "@material/base/mixins";
@import "@material/feature-targeting/functions";
@import "@material/feature-targeting/mixins";
@import "./variables";

/// Styles applied to the component's touch target wrapper element.
@mixin mdc-touch-target-wrapper($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-touch-target-wrapper {
    @include mdc-feature-targets($feat-structure) {
      // Ensure that styles are only emitted once across all components that
      // have increased touch targets.
      @include mdc-base-emit-once("mdc-touch-target/wrapper") {
        // NOTE: Will change to `inline-block` in the future, but keeping as is
        // temporarily for backwards-compatibility.
        display: inline;
      }
    }
  }
}

/// Styles applied to the component's inner touch target element.
@mixin mdc-touch-target($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    height: $mdc-touch-target-height;
    transform: translateY(-50%);
  }
}

/// Styles applied to the component with the increased touch target.
@mixin mdc-touch-target-component($component-height, $component-width: null, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  $vertical-margin-value: ($mdc-touch-target-height - $component-height) / 2;

  @include mdc-feature-targets($feat-structure) {
    margin-top: $vertical-margin-value;
    margin-bottom: $vertical-margin-value;
  }

  @if $component-width {
    $horizontal-margin-value: ($mdc-touch-target-width - $component-width) / 2;

    @include mdc-feature-targets($feat-structure) {
      margin-right: $horizontal-margin-value;
      margin-left: $horizontal-margin-value;
    }
  }
}