| // Core styles that enable monitoring autofill state of text fields. |
| @mixin cdk-text-field { |
| // Keyframes that apply no styles, but allow us to monitor when an text field becomes autofilled |
| // by watching for the animation events that are fired when they start. Note: the /*!*/ comment is |
| // needed to prevent LibSass from stripping the keyframes out. |
| // Based on: https://medium.com/@brunn/detecting-autofilled-fields-in-javascript-aed598d25da7 |
| @keyframes cdk-text-field-autofill-start {/*!*/} |
| @keyframes cdk-text-field-autofill-end {/*!*/} |
| |
| .cdk-text-field-autofill-monitored:-webkit-autofill { |
| animation-name: cdk-text-field-autofill-start; |
| } |
| |
| .cdk-text-field-autofill-monitored:not(:-webkit-autofill) { |
| animation-name: cdk-text-field-autofill-end; |
| } |
| |
| // Remove the resize handle on autosizing textareas, because whatever height |
| // the user resized to will be overwritten once they start typing again. |
| textarea.cdk-textarea-autosize { |
| resize: none; |
| } |
| |
| // This class is temporarily applied to the textarea when it is being measured. It is immediately |
| // removed when measuring is complete. We use `!important` rules here to make sure user-specified |
| // rules do not interfere with the measurement. |
| textarea.cdk-textarea-autosize-measuring { |
| height: auto !important; |
| overflow: hidden !important; |
| // Having 2px top and bottom padding seems to fix a bug where Chrome gets an incorrect |
| // measurement. We just have to account for it later and subtract it off the final result. |
| padding: 2px 0 !important; |
| box-sizing: content-box !important; |
| } |
| } |
| |
| // Used to generate UIDs for keyframes used to change the text field autofill styles. |
| $cdk-text-field-autofill-color-frame-count: 0; |
| |
| // Mixin used to apply custom background and foreground colors to an autofilled text field. |
| // Based on: https://stackoverflow.com/questions/2781549/ |
| // removing-input-background-colour-for-chrome-autocomplete#answer-37432260 |
| @mixin cdk-text-field-autofill-color($background, $foreground:'') { |
| @keyframes cdk-text-field-autofill-color-#{$cdk-text-field-autofill-color-frame-count} { |
| to { |
| background: $background; |
| @if $foreground != '' { color: $foreground; } |
| } |
| } |
| |
| &:-webkit-autofill { |
| animation-name: cdk-text-field-autofill-color-#{$cdk-text-field-autofill-color-frame-count}; |
| animation-fill-mode: both; |
| } |
| |
| &.cdk-text-field-autofill-monitored:-webkit-autofill { |
| animation-name: cdk-text-field-autofill-start, |
| cdk-text-field-autofill-color-#{$cdk-text-field-autofill-color-frame-count}; |
| } |
| |
| $cdk-text-field-autofill-color-frame-count: |
| $cdk-text-field-autofill-color-frame-count + 1 !global; |
| } |