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fix(material-experimental/mdc-radio): no focus indication in high contrast mode #18969

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Merged
merged 1 commit into from
Apr 6, 2020
Merged

fix(material-experimental/mdc-radio): no focus indication in high contrast mode #18969

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10 changes: 10 additions & 0 deletions src/material-experimental/mdc-radio/radio.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
@import '@material/radio/variables.import';
@import '@material/form-field/mixins.import';
@import '../mdc-helpers/mdc-helpers';
@import '../../cdk/a11y/a11y';

@include mdc-radio-without-ripple($query: $mat-base-styles-query);
@include mdc-form-field-core-styles($query: $mat-base-styles-query);
Expand All @@ -21,3 +22,12 @@
opacity: $mdc-radio-ripple-opacity;
}
}

// Note that this creates a square box around the circle, however it's consistent with
// how IE/Edge treat native radio buttons in high contrast mode. We can't turn the border
// into a dotted one, because it's too thick which causes the circles to look off.
@include cdk-high-contrast {
.mat-mdc-radio-button.cdk-keyboard-focused .mat-radio-ripple {
outline: dotted 1px;
}
}