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Smooth out the block switcher animation #9468

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Smooth out the block switcher animation #9468

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de901e5
Smooth out the block switcher animation with a slight fade effect
chrisvanpatten Aug 30, 2018
ee634d8
Tweak the easing on the opacity transition and improve inline docs
chrisvanpatten Aug 30, 2018
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31 changes: 23 additions & 8 deletions packages/editor/src/components/block-switcher/style.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,10 @@
padding: 0 6px;
display: flex;
align-items: center;
transition: all 0.1s cubic-bezier(0.165, 0.84, 0.44, 1);

// The opacity and transform transitions use separate easings so the opacity
// animation starts while the "incoming" icon is mostly in frame.
transition: opacity 0.2s cubic-bezier(1, 0, 0.8, 0.65), transform 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}

// Add a dropdown arrow indicator.
Expand All @@ -54,16 +57,28 @@
border-radius: $radius-round-rectangle;
height: $icon-button-size-small + 6px;
padding: 3px 9px 3px 9px;

// Start fully transparent so the icon fades into place.
opacity: 0;
}

// Block hover and focus style.
&[aria-expanded="true"] .editor-block-icon,
&[aria-expanded="true"] .editor-block-switcher__transform,
&:not(:disabled):hover .editor-block-icon,
&:not(:disabled):hover .editor-block-switcher__transform,
&:not(:disabled):focus .editor-block-icon,
&:not(:disabled):focus .editor-block-switcher__transform {
transform: translateY(-$icon-button-size);
&[aria-expanded="true"],
&:not(:disabled):hover,
&:not(:disabled):focus {
.editor-block-icon,
.editor-block-switcher__transform {
transform: translateY(-$icon-button-size);
}

// Swap the icon opacities on hover.
.editor-block-icon {
opacity: 0;
}

.editor-block-switcher__transform {
opacity: 1;
}
}

// Block focus style.
Expand Down