|
| 1 | +@use '../core/tokens/m2/mdc/radio' as tokens-mdc-radio; |
| 2 | +@use '../core/tokens/token-utils'; |
| 3 | + |
| 4 | +$_icon-size: 20px; |
| 5 | + |
| 6 | +@function _enter-transition($name) { |
| 7 | + @return $name 90ms cubic-bezier(0, 0, 0.2, 1); |
| 8 | +} |
| 9 | + |
| 10 | +@function _exit-transition($name) { |
| 11 | + @return $name 90ms cubic-bezier(0.4, 0, 0.6, 1); |
| 12 | +} |
| 13 | + |
| 14 | +// Structural styles for a radio button. Shared with the selection list. |
| 15 | +@mixin radio-structure($is-interactive) { |
| 16 | + $tokens: tokens-mdc-radio.$prefix, tokens-mdc-radio.get-token-slots(); |
| 17 | + |
| 18 | + .mdc-radio { |
| 19 | + display: inline-block; |
| 20 | + position: relative; |
| 21 | + flex: 0 0 auto; |
| 22 | + box-sizing: content-box; |
| 23 | + width: $_icon-size; |
| 24 | + height: $_icon-size; |
| 25 | + cursor: pointer; |
| 26 | + |
| 27 | + // This is something we inherited from MDC, but it shouldn't be necessary. |
| 28 | + // Removing it will likely lead to screenshot diffs. |
| 29 | + will-change: opacity, transform, border-color, color; |
| 30 | + |
| 31 | + @include token-utils.use-tokens($tokens...) { |
| 32 | + $size-token: var(#{token-utils.get-token-variable(state-layer-size)}); |
| 33 | + padding: calc((#{$size-token} - #{$_icon-size}) / 2); |
| 34 | + } |
| 35 | + |
| 36 | + @if ($is-interactive) { |
| 37 | + // MDC's hover indication comes from their ripple which we don't use. |
| 38 | + &:hover .mdc-radio__native-control:not([disabled]):not(:focus) { |
| 39 | + & ~ .mdc-radio__background::before { |
| 40 | + opacity: 0.04; |
| 41 | + transform: scale(1); |
| 42 | + } |
| 43 | + } |
| 44 | + |
| 45 | + &:hover .mdc-radio__native-control:not([disabled]) ~ .mdc-radio__background { |
| 46 | + .mdc-radio__outer-circle { |
| 47 | + @include token-utils.use-tokens($tokens...) { |
| 48 | + @include token-utils.create-token-slot(border-color, unselected-hover-icon-color); |
| 49 | + } |
| 50 | + } |
| 51 | + } |
| 52 | + |
| 53 | + &:hover .mdc-radio__native-control:enabled:checked + .mdc-radio__background { |
| 54 | + .mdc-radio__outer-circle, |
| 55 | + .mdc-radio__inner-circle { |
| 56 | + @include token-utils.use-tokens($tokens...) { |
| 57 | + @include token-utils.create-token-slot(border-color, selected-hover-icon-color); |
| 58 | + } |
| 59 | + } |
| 60 | + } |
| 61 | + |
| 62 | + &:active .mdc-radio__native-control:enabled:not(:checked) + .mdc-radio__background { |
| 63 | + .mdc-radio__outer-circle { |
| 64 | + @include token-utils.use-tokens($tokens...) { |
| 65 | + @include token-utils.create-token-slot(border-color, unselected-pressed-icon-color); |
| 66 | + } |
| 67 | + } |
| 68 | + } |
| 69 | + |
| 70 | + &:active .mdc-radio__native-control:enabled:checked + .mdc-radio__background { |
| 71 | + .mdc-radio__outer-circle, |
| 72 | + .mdc-radio__inner-circle { |
| 73 | + @include token-utils.use-tokens($tokens...) { |
| 74 | + @include token-utils.create-token-slot(border-color, selected-pressed-icon-color); |
| 75 | + } |
| 76 | + } |
| 77 | + } |
| 78 | + } |
| 79 | + } |
| 80 | + |
| 81 | + .mdc-radio__background { |
| 82 | + display: inline-block; |
| 83 | + position: relative; |
| 84 | + box-sizing: border-box; |
| 85 | + width: $_icon-size; |
| 86 | + height: $_icon-size; |
| 87 | + |
| 88 | + &::before { |
| 89 | + position: absolute; |
| 90 | + transform: scale(0, 0); |
| 91 | + border-radius: 50%; |
| 92 | + opacity: 0; |
| 93 | + pointer-events: none; |
| 94 | + content: ''; |
| 95 | + transition: _exit-transition(opacity), _exit-transition(transform); |
| 96 | + |
| 97 | + @include token-utils.use-tokens($tokens...) { |
| 98 | + $size-token: var(#{token-utils.get-token-variable(state-layer-size)}); |
| 99 | + $offset: calc(-1 * (#{$size-token} - #{$_icon-size}) / 2); |
| 100 | + width: $size-token; |
| 101 | + height: $size-token; |
| 102 | + top: $offset; |
| 103 | + left: $offset; |
| 104 | + } |
| 105 | + } |
| 106 | + } |
| 107 | + |
| 108 | + .mdc-radio__outer-circle { |
| 109 | + position: absolute; |
| 110 | + top: 0; |
| 111 | + left: 0; |
| 112 | + box-sizing: border-box; |
| 113 | + width: 100%; |
| 114 | + height: 100%; |
| 115 | + border-width: 2px; |
| 116 | + border-style: solid; |
| 117 | + border-radius: 50%; |
| 118 | + transition: _exit-transition(border-color); |
| 119 | + } |
| 120 | + |
| 121 | + .mdc-radio__inner-circle { |
| 122 | + position: absolute; |
| 123 | + top: 0; |
| 124 | + left: 0; |
| 125 | + box-sizing: border-box; |
| 126 | + width: 100%; |
| 127 | + height: 100%; |
| 128 | + transform: scale(0, 0); |
| 129 | + border-width: 10px; |
| 130 | + border-style: solid; |
| 131 | + border-radius: 50%; |
| 132 | + transition: _exit-transition(transform), _exit-transition(border-color); |
| 133 | + } |
| 134 | + |
| 135 | + .mdc-radio__native-control { |
| 136 | + position: absolute; |
| 137 | + margin: 0; |
| 138 | + padding: 0; |
| 139 | + opacity: 0; |
| 140 | + top: 0; |
| 141 | + right: 0; |
| 142 | + left: 0; |
| 143 | + cursor: inherit; |
| 144 | + z-index: 1; |
| 145 | + |
| 146 | + @include token-utils.use-tokens($tokens...) { |
| 147 | + @include token-utils.create-token-slot(width, state-layer-size); |
| 148 | + @include token-utils.create-token-slot(height, state-layer-size); |
| 149 | + } |
| 150 | + |
| 151 | + &:checked, &:disabled { |
| 152 | + + .mdc-radio__background { |
| 153 | + transition: _enter-transition(opacity), _enter-transition(transform); |
| 154 | + |
| 155 | + .mdc-radio__outer-circle { |
| 156 | + transition: _enter-transition(border-color); |
| 157 | + } |
| 158 | + |
| 159 | + .mdc-radio__inner-circle { |
| 160 | + transition: _enter-transition(transform), _enter-transition(border-color); |
| 161 | + } |
| 162 | + } |
| 163 | + } |
| 164 | + |
| 165 | + @if ($is-interactive) { |
| 166 | + &:focus + .mdc-radio__background::before { |
| 167 | + transform: scale(1); |
| 168 | + opacity: 0.12; |
| 169 | + transition: _enter-transition(opacity), _enter-transition(transform); |
| 170 | + } |
| 171 | + } |
| 172 | + |
| 173 | + &:disabled { |
| 174 | + @include token-utils.use-tokens($tokens...) { |
| 175 | + &:not(:checked) + .mdc-radio__background .mdc-radio__outer-circle { |
| 176 | + @include token-utils.create-token-slot(border-color, disabled-unselected-icon-color); |
| 177 | + @include token-utils.create-token-slot(opacity, disabled-unselected-icon-opacity); |
| 178 | + } |
| 179 | + |
| 180 | + + .mdc-radio__background { |
| 181 | + cursor: default; |
| 182 | + |
| 183 | + .mdc-radio__inner-circle, |
| 184 | + .mdc-radio__outer-circle { |
| 185 | + @include token-utils.create-token-slot(border-color, disabled-selected-icon-color); |
| 186 | + @include token-utils.create-token-slot(opacity, disabled-selected-icon-opacity); |
| 187 | + } |
| 188 | + } |
| 189 | + } |
| 190 | + } |
| 191 | + |
| 192 | + &:enabled { |
| 193 | + @include token-utils.use-tokens($tokens...) { |
| 194 | + &:not(:checked) + .mdc-radio__background .mdc-radio__outer-circle { |
| 195 | + @include token-utils.create-token-slot(border-color, unselected-icon-color); |
| 196 | + } |
| 197 | + |
| 198 | + &:checked + .mdc-radio__background { |
| 199 | + .mdc-radio__outer-circle, |
| 200 | + .mdc-radio__inner-circle { |
| 201 | + @include token-utils.create-token-slot(border-color, selected-icon-color); |
| 202 | + } |
| 203 | + } |
| 204 | + |
| 205 | + @if ($is-interactive) { |
| 206 | + &:focus:checked + .mdc-radio__background { |
| 207 | + .mdc-radio__inner-circle, |
| 208 | + .mdc-radio__outer-circle { |
| 209 | + @include token-utils.create-token-slot(border-color, selected-focus-icon-color); |
| 210 | + } |
| 211 | + } |
| 212 | + } |
| 213 | + } |
| 214 | + } |
| 215 | + |
| 216 | + &:checked + .mdc-radio__background .mdc-radio__inner-circle { |
| 217 | + transform: scale(0.5); |
| 218 | + transition: _enter-transition(transform), _enter-transition(border-color); |
| 219 | + } |
| 220 | + } |
| 221 | + |
| 222 | + .mdc-radio--disabled { |
| 223 | + cursor: default; |
| 224 | + pointer-events: none; |
| 225 | + } |
| 226 | +} |
| 227 | + |
| 228 | +// Conditionally disables the animations of the radio button. |
| 229 | +@mixin radio-noop-animations() { |
| 230 | + &._mat-animation-noopable { |
| 231 | + .mdc-radio__background::before, |
| 232 | + .mdc-radio__outer-circle, |
| 233 | + .mdc-radio__inner-circle { |
| 234 | + // Needs to be `!important`, because MDC's selectors are really specific. |
| 235 | + transition: none !important; |
| 236 | + } |
| 237 | + } |
| 238 | +} |
0 commit comments