Refine Harbor brand mode hover animation

src/web/components/ClientOverviewPage.jsx

@@ -74,12 +74,27 @@ function DurationPart({ name, children }) {
 }
 
 function HarborBrand({ isGateway, gatewayAvailable, gatewayDirect, busy, onSetGatewayAuto }) {
+  const [modeAnimating, setModeAnimating] = useState(false);
+  const stopModeAnimationRef = useRef(false);
   const product = isGateway ? 'Gateway' : 'Connect';
   const switchable = !isGateway && gatewayAvailable;
   const label = gatewayDirect
     ? 'Игнорировать Harbor Gateway и использовать локальный VPN'
     : 'Использовать обнаруженный Harbor Gateway';
 
+  function startModeAnimation() {
+    stopModeAnimationRef.current = false;
+    setModeAnimating(true);
+  }
+
+  function finishModeAnimation() {
+    if (matchMedia('(prefers-reduced-motion: reduce)').matches) {
+      setModeAnimating(false);
+      return;
+    }
+    stopModeAnimationRef.current = true;
+  }
+
   const content = <div className="harbor-brand-content">
     <svg viewBox="0 0 32 32" aria-hidden="true">
       <circle cx="16" cy="6" r="3" />
@@ -111,12 +126,22 @@ function HarborBrand({ isGateway, gatewayAvailable, gatewayDirect, busy, onSetGa
   return (
     <div className={`harbor-brand is-${product.toLowerCase()}${switchable ? ` is-switchable${gatewayDirect ? ' is-gateway-active' : ''}` : ''}`}>
       {switchable ? <button
-        className="harbor-brand-control"
+        className={`harbor-brand-control${modeAnimating ? ' is-mode-animating' : ''}`}
         type="button"
         aria-label={label}
         aria-describedby="harbor-mode-tooltip"
         aria-pressed={gatewayDirect}
         disabled={busy}
+        onPointerEnter={startModeAnimation}
+        onPointerLeave={finishModeAnimation}
+        onFocus={startModeAnimation}
+        onBlur={finishModeAnimation}
+        onAnimationIteration={(event) => {
+          if (event.animationName === 'harbor-mode-float-front' && stopModeAnimationRef.current) {
+            stopModeAnimationRef.current = false;
+            setModeAnimating(false);
+          }
+        }}
         onClick={() => onSetGatewayAuto(!gatewayDirect)}
       >
         {content}

src/web/styles.css

@@ -246,23 +246,19 @@ p {
   transform: none;
 }
 
-.harbor-brand-control:hover .harbor-mode-connect,
-.harbor-brand-control:focus-visible .harbor-mode-connect {
+.harbor-brand-control.is-mode-animating .harbor-mode-connect {
   animation: harbor-mode-float-front 1500ms ease-in-out infinite;
 }
 
-.harbor-brand-control:hover .harbor-mode-gateway,
-.harbor-brand-control:focus-visible .harbor-mode-gateway {
+.harbor-brand-control.is-mode-animating .harbor-mode-gateway {
   animation: harbor-mode-float-back 1500ms ease-in-out infinite;
 }
 
-.harbor-brand.is-gateway-active .harbor-brand-control:hover .harbor-mode-connect,
-.harbor-brand.is-gateway-active .harbor-brand-control:focus-visible .harbor-mode-connect {
+.harbor-brand.is-gateway-active .harbor-brand-control.is-mode-animating .harbor-mode-connect {
   animation-name: harbor-mode-float-back;
 }
 
-.harbor-brand.is-gateway-active .harbor-brand-control:hover .harbor-mode-gateway,
-.harbor-brand.is-gateway-active .harbor-brand-control:focus-visible .harbor-mode-gateway {
+.harbor-brand.is-gateway-active .harbor-brand-control.is-mode-animating .harbor-mode-gateway {
   animation-name: harbor-mode-float-front;
 }
 
@@ -357,13 +353,11 @@ p {
   opacity: 1;
 }
 
-.harbor-brand-control:hover .harbor-mode-swap .is-connect path,
-.harbor-brand-control:focus-visible .harbor-mode-swap .is-connect path {
+.harbor-brand-control.is-mode-animating .harbor-mode-swap .is-connect path {
   animation: harbor-arrow-float-right 1500ms ease-in-out infinite;
 }
 
-.harbor-brand-control:hover .harbor-mode-swap .is-gateway path,
-.harbor-brand-control:focus-visible .harbor-mode-swap .is-gateway path {
+.harbor-brand-control.is-mode-animating .harbor-mode-swap .is-gateway path {
   animation: harbor-arrow-float-left 1500ms ease-in-out infinite;
 }