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caed16e26f
Styling should not depend on IDs to allow us to have multiple searches in the page. Precursor for wiring up search in the sticky header. This also tweaks performance metrics to track separate metrics for the sticky header search Change-Id: I5b4192a8f5a9f95af26c1faf904f7cc994323518
91 lines
2.7 KiB
Plaintext
91 lines
2.7 KiB
Plaintext
/**
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* Loading indicator for search widget
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*
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* By adding a class on the parent search form
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* <div id="simpleSearch" class="search-form__loader"></div>
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* A pseudo element is added via ':after' that mimics the appearance
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* of the search suggestion and contains the text
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* "Loading search suggestions" (message key: vector-search-loader).
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*
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* After appearing for more than a second, a progress-bar animation appears
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* above the loading indicator.
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*
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**/
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@import '../../common/variables.less';
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// Derived from @size-search-figure in WVUI.
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// https://gerrit.wikimedia.org/r/plugins/gitiles/wvui/+/e32b54f3b8d1118b6a25cdc46b5638d6d048533e/src/themes/wikimedia-ui.less#21
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@size-search-figure: unit( 36px / @font-size-browser / @font-size-base, em );
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// Derived from @padding-vertical-typeahead-suggestion: 8px in WVUI.
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// https://gerrit.wikimedia.org/r/plugins/gitiles/wvui/+/e32b54f3b8d1118b6a25cdc46b5638d6d048533e/src/themes/wikimedia-ui.less#27
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@padding-vertical-typeahead-suggestion: 8px;
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.search-form__loader:after {
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// Set the i18n message.
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content: attr( data-loading-msg );
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//
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// Position loader below the input.
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display: flex;
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flex-direction: column;
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justify-content: center;
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position: absolute;
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top: 100%;
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width: 100%;
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height: ~'calc( @{padding-vertical-typeahead-suggestion} + @{size-search-figure} + @{padding-vertical-typeahead-suggestion} )';
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//
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// Ensure the 100% width doesn't extend beyond the input.
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box-sizing: border-box;
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//
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// Align loader style with input.
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border: @border-base;
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border-top-width: 0; // Hide the top border so it doesn't interfere with focus state.
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border-radius: 0 0 @border-radius-base @border-radius-base;
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box-shadow: @box-shadow-base;
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padding-left: @size-search-figure;
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//
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// Hide text in case it extends beyond the input.
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overflow: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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//
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// Prevent Vector tabs from overlapping T254695#6461044
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z-index: @z-index-search-loader;
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//
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// Add a progress-bar to the loading indicator,
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// but only show it animating after 1 second of loading.
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background: /*image*/ linear-gradient( 90deg, @colorProgressive 0%, @colorProgressive 100% )
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/* position / size*/ -10% 0 ~'/' 0 2px
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/* repeat */ no-repeat,/*second bg, just color*/#fff;
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//
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// Animates the progress-bar.
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animation: /* name */ search-loader-progress-bar
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/* duration */ 1200ms
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/* timing function */ linear
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/* delay */ 500ms
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/* iteration count */ infinite
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/* fill direction */ alternate;
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}
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@keyframes search-loader-progress-bar {
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0% {
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background-size: 0 2px;
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background-position: -10% 0;
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}
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30% {
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background-size: 30% 2px;
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background-position: -10% 0;
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}
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70% {
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background-size: 30% 2px;
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background-position: 110% 0;
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}
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100% {
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background-size: 0 2px;
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background-position: 110% 0;
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}
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}
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