From 730d9a7b359f1655670d935d9b56678107a0af63 Mon Sep 17 00:00:00 2001
From: msavulescu <msavulescu@wallbid.io>
Date: Mon, 21 Jul 2025 18:42:17 +0300
Subject: [PATCH] Updated glass surface component.

---
 .../Components/GlassSurface/GlassSurface.vue  | 292 ++++++++++++++----
 src/demo/Components/GlassSurfaceDemo.vue      |   2 +-
 2 files changed, 227 insertions(+), 67 deletions(-)

diff --git a/src/content/Components/GlassSurface/GlassSurface.vue b/src/content/Components/GlassSurface/GlassSurface.vue
index 3532a22..631fc13 100644
--- a/src/content/Components/GlassSurface/GlassSurface.vue
+++ b/src/content/Components/GlassSurface/GlassSurface.vue
@@ -1,16 +1,8 @@
 <template>
-  <div
-    ref="containerRef"
-    class="glass-surface"
-    :class="{
-      'glass-surface--svg': supportsSVGFilters,
-      'glass-surface--fallback': !supportsSVGFilters
-    }"
-    :style="containerStyle"
-  >
-    <svg class="glass-surface__filter" xmlns="http://www.w3.org/2000/svg">
+  <div ref="containerRef" :class="[glassSurfaceClasses, focusVisibleClasses, className]" :style="containerStyles">
+    <svg class="w-full h-full pointer-events-none absolute inset-0 opacity-0 -z-10" xmlns="http://www.w3.org/2000/svg">
       <defs>
-        <filter :id="filterId" colorInterpolationFilters="sRGB" x="0%" y="0%" width="100%" height="100%">
+        <filter :id="filterId" color-interpolation-filters="sRGB" x="0%" y="0%" width="100%" height="100%">
           <feImage ref="feImageRef" x="0" y="0" width="100%" height="100%" preserveAspectRatio="none" result="map" />
 
           <feDisplacementMap ref="redChannelRef" in="SourceGraphic" in2="map" id="redchannel" result="dispRed" />
@@ -18,9 +10,9 @@
             in="dispRed"
             type="matrix"
             values="1 0 0 0 0
-                      0 0 0 0 0
-                      0 0 0 0 0
-                      0 0 0 1 0"
+                    0 0 0 0 0
+                    0 0 0 0 0
+                    0 0 0 1 0"
             result="red"
           />
 
@@ -29,9 +21,9 @@
             in="dispGreen"
             type="matrix"
             values="0 0 0 0 0
-                      0 1 0 0 0
-                      0 0 0 0 0
-                      0 0 0 1 0"
+                    0 1 0 0 0
+                    0 0 0 0 0
+                    0 0 0 1 0"
             result="green"
           />
 
@@ -40,9 +32,9 @@
             in="dispBlue"
             type="matrix"
             values="0 0 0 0 0
-                      0 0 0 0 0
-                      0 0 1 0 0
-                      0 0 0 1 0"
+                    0 0 0 0 0
+                    0 0 1 0 0
+                    0 0 0 1 0"
             result="blue"
           />
 
@@ -52,11 +44,15 @@
         </filter>
       </defs>
     </svg>
+
+    <div class="w-full h-full flex items-center justify-center p-2 rounded-[inherit] relative z-10">
+      <slot />
+    </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, type CSSProperties, useTemplateRef, onMounted, computed } from 'vue';
+import { ref, type CSSProperties, useTemplateRef, onMounted, computed, watch, nextTick, onUnmounted } from 'vue';
 
 interface GlassSurfaceProps {
   width?: string | number;
@@ -109,7 +105,7 @@ const props = withDefaults(defineProps<GlassSurfaceProps>(), {
   displace: 0.5,
   backgroundOpacity: 0,
   saturation: 1,
-  distortionScale: -80,
+  distortionScale: -180,
   redOffset: 0,
   greenOffset: 10,
   blueOffset: 20,
@@ -120,14 +116,32 @@ const props = withDefaults(defineProps<GlassSurfaceProps>(), {
   style: () => ({})
 });
 
-// Generate unique IDs for SVG elements
-const generateUniqueId = (prefix: string): string => {
-  return `${prefix}-${Math.random().toString(36).substring(2, 15)}`;
+const isDarkMode = ref(false);
+
+const updateDarkMode = () => {
+  if (typeof window === 'undefined') return;
+
+  const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+  isDarkMode.value = mediaQuery.matches;
+
+  const handler = (e: MediaQueryListEvent) => {
+    isDarkMode.value = e.matches;
+  };
+
+  mediaQuery.addEventListener('change', handler);
+
+  return () => mediaQuery.removeEventListener('change', handler);
 };
 
-const filterId = ref(generateUniqueId('glass-surface-filter'));
-const redGradId = ref(generateUniqueId('red-grad'));
-const blueGradId = ref(generateUniqueId('blue-grad'));
+// Generate unique IDs for SVG elements
+const generateUniqueId = () => {
+  return Math.random().toString(36).substring(2, 15);
+};
+
+const uniqueId = generateUniqueId();
+const filterId = `glass-filter-${uniqueId}`;
+const redGradId = `red-grad-${uniqueId}`;
+const blueGradId = `blue-grad-${uniqueId}`;
 
 const containerRef = useTemplateRef<HTMLDivElement>('containerRef');
 const feImageRef = useTemplateRef<SVGSVGElement>('feImageRef');
@@ -136,6 +150,8 @@ const greenChannelRef = useTemplateRef<SVGSVGElement>('greenChannelRef');
 const blueChannelRef = useTemplateRef<SVGSVGElement>('blueChannelRef');
 const gaussianBlurRef = useTemplateRef<SVGSVGElement>('gaussianBlurRef');
 
+let resizeObserver: ResizeObserver | null = null;
+
 const generateDisplacementMap = () => {
   const rect = containerRef.value?.getBoundingClientRect();
   const actualWidth = rect?.width || 400;
@@ -145,18 +161,18 @@ const generateDisplacementMap = () => {
   const svgContent = `
       <svg viewBox="0 0 ${actualWidth} ${actualHeight}" xmlns="http://www.w3.org/2000/svg">
         <defs>
-          <linearGradient id="${redGradId.value}" x1="100%" y1="0%" x2="0%" y2="0%">
+          <linearGradient id="${redGradId}" x1="100%" y1="0%" x2="0%" y2="0%">
             <stop offset="0%" stop-color="#0000"/>
             <stop offset="100%" stop-color="red"/>
           </linearGradient>
-          <linearGradient id="${blueGradId.value}" x1="0%" y1="0%" x2="0%" y2="100%">
+          <linearGradient id="${blueGradId}" x1="0%" y1="0%" x2="0%" y2="100%">
             <stop offset="0%" stop-color="#0000"/>
             <stop offset="100%" stop-color="blue"/>
           </linearGradient>
         </defs>
         <rect x="0" y="0" width="${actualWidth}" height="${actualHeight}" fill="black"></rect>
-        <rect x="0" y="0" width="${actualWidth}" height="${actualHeight}" rx="${props.borderRadius}" fill="url(#${redGradId.value})" />
-        <rect x="0" y="0" width="${actualWidth}" height="${actualHeight}" rx="${props.borderRadius}" fill="url(#${blueGradId.value})" style="mix-blend-mode: ${props.mixBlendMode}" />
+        <rect x="0" y="0" width="${actualWidth}" height="${actualHeight}" rx="${props.borderRadius}" fill="url(#${redGradId})" />
+        <rect x="0" y="0" width="${actualWidth}" height="${actualHeight}" rx="${props.borderRadius}" fill="url(#${blueGradId})" style="mix-blend-mode: ${props.mixBlendMode}" />
         <rect x="${edgeSize}" y="${edgeSize}" width="${actualWidth - edgeSize * 2}" height="${actualHeight - edgeSize * 2}" rx="${props.borderRadius}" fill="hsl(0 0% ${props.brightness}% / ${props.opacity})" style="filter:blur(${props.blur}px)" />
       </svg>
     `;
@@ -165,55 +181,199 @@ const generateDisplacementMap = () => {
 };
 
 const updateDisplacementMap = () => {
-  feImageRef.value?.setAttribute('href', generateDisplacementMap());
+  if (feImageRef.value) {
+    feImageRef.value.setAttribute('href', generateDisplacementMap());
+  }
 };
 
-onMounted(() => {
-  updateDisplacementMap();
+const supportsSVGFilters = () => {
+  if (typeof window === 'undefined' || typeof navigator === 'undefined') return false;
 
-  if (containerRef.value) {
-    const resizeObserver = new ResizeObserver(() => {
-      setTimeout(updateDisplacementMap, 0);
-    });
-    resizeObserver.observe(containerRef.value);
+  const isWebkit = /Safari/.test(navigator.userAgent) && !/Chrome/.test(navigator.userAgent);
+  const isFirefox = /Firefox/.test(navigator.userAgent);
+
+  if (isWebkit || isFirefox) {
+    return false;
   }
 
-  [
+  const div = document.createElement('div');
+  div.style.backdropFilter = `url(#${filterId})`;
+  return div.style.backdropFilter !== '';
+};
+
+const supportsBackdropFilter = () => {
+  if (typeof window === 'undefined') return false;
+  return CSS.supports('backdrop-filter', 'blur(10px)');
+};
+
+const containerStyles = computed(() => {
+  const baseStyles: Record<string, string | number> = {
+    ...props.style,
+    width: typeof props.width === 'number' ? `${props.width}px` : props.width,
+    height: typeof props.height === 'number' ? `${props.height}px` : props.height,
+    borderRadius: `${props.borderRadius}px`,
+    '--glass-frost': props.backgroundOpacity,
+    '--glass-saturation': props.saturation
+  };
+
+  const svgSupported = supportsSVGFilters();
+  const backdropFilterSupported = supportsBackdropFilter();
+
+  if (svgSupported) {
+    return {
+      ...baseStyles,
+      background: isDarkMode.value
+        ? `hsl(0 0% 0% / ${props.backgroundOpacity})`
+        : `hsl(0 0% 100% / ${props.backgroundOpacity})`,
+      backdropFilter: `url(#${filterId}) saturate(${props.saturation})`,
+      boxShadow: isDarkMode.value
+        ? `0 0 2px 1px color-mix(in oklch, white, transparent 65%) inset,
+           0 0 10px 4px color-mix(in oklch, white, transparent 85%) inset,
+           0px 4px 16px rgba(17, 17, 26, 0.05),
+           0px 8px 24px rgba(17, 17, 26, 0.05),
+           0px 16px 56px rgba(17, 17, 26, 0.05),
+           0px 4px 16px rgba(17, 17, 26, 0.05) inset,
+           0px 8px 24px rgba(17, 17, 26, 0.05) inset,
+           0px 16px 56px rgba(17, 17, 26, 0.05) inset`
+        : `0 0 2px 1px color-mix(in oklch, black, transparent 85%) inset,
+           0 0 10px 4px color-mix(in oklch, black, transparent 90%) inset,
+           0px 4px 16px rgba(17, 17, 26, 0.05),
+           0px 8px 24px rgba(17, 17, 26, 0.05),
+           0px 16px 56px rgba(17, 17, 26, 0.05),
+           0px 4px 16px rgba(17, 17, 26, 0.05) inset,
+           0px 8px 24px rgba(17, 17, 26, 0.05) inset,
+           0px 16px 56px rgba(17, 17, 26, 0.05) inset`
+    };
+  } else {
+    if (isDarkMode.value) {
+      if (!backdropFilterSupported) {
+        return {
+          ...baseStyles,
+          background: 'rgba(0, 0, 0, 0.4)',
+          border: '1px solid rgba(255, 255, 255, 0.2)',
+          boxShadow: `inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
+                      inset 0 -1px 0 0 rgba(255, 255, 255, 0.1)`
+        };
+      } else {
+        return {
+          ...baseStyles,
+          background: 'rgba(255, 255, 255, 0.1)',
+          backdropFilter: 'blur(12px) saturate(1.8) brightness(1.2)',
+          WebkitBackdropFilter: 'blur(12px) saturate(1.8) brightness(1.2)',
+          border: '1px solid rgba(255, 255, 255, 0.2)',
+          boxShadow: `inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
+                      inset 0 -1px 0 0 rgba(255, 255, 255, 0.1)`
+        };
+      }
+    } else {
+      if (!backdropFilterSupported) {
+        return {
+          ...baseStyles,
+          background: 'rgba(255, 255, 255, 0.4)',
+          border: '1px solid rgba(255, 255, 255, 0.3)',
+          boxShadow: `inset 0 1px 0 0 rgba(255, 255, 255, 0.5),
+                      inset 0 -1px 0 0 rgba(255, 255, 255, 0.3)`
+        };
+      } else {
+        return {
+          ...baseStyles,
+          background: 'rgba(255, 255, 255, 0.25)',
+          backdropFilter: 'blur(12px) saturate(1.8) brightness(1.1)',
+          WebkitBackdropFilter: 'blur(12px) saturate(1.8) brightness(1.1)',
+          border: '1px solid rgba(255, 255, 255, 0.3)',
+          boxShadow: `0 8px 32px 0 rgba(31, 38, 135, 0.2),
+                      0 2px 16px 0 rgba(31, 38, 135, 0.1),
+                      inset 0 1px 0 0 rgba(255, 255, 255, 0.4),
+                      inset 0 -1px 0 0 rgba(255, 255, 255, 0.2)`
+        };
+      }
+    }
+  }
+});
+
+const glassSurfaceClasses =
+  'relative flex items-center justify-center overflow-hidden transition-opacity duration-[260ms] ease-out';
+
+const focusVisibleClasses = computed(() => {
+  return isDarkMode.value
+    ? 'focus-visible:outline-2 focus-visible:outline-[#0A84FF] focus-visible:outline-offset-2'
+    : 'focus-visible:outline-2 focus-visible:outline-[#007AFF] focus-visible:outline-offset-2';
+});
+
+const updateFilterElements = () => {
+  const elements = [
     { ref: redChannelRef, offset: props.redOffset },
     { ref: greenChannelRef, offset: props.greenOffset },
     { ref: blueChannelRef, offset: props.blueOffset }
-  ].forEach(({ ref, offset }) => {
-    ref.value?.setAttribute('scale', (props.distortionScale + offset).toString());
-    ref.value?.setAttribute('xChannelSelector', props.xChannel);
-    ref.value?.setAttribute('yChannelSelector', props.yChannel);
+  ];
+
+  elements.forEach(({ ref, offset }) => {
+    if (ref.value) {
+      ref.value.setAttribute('scale', (props.distortionScale + offset).toString());
+      ref.value.setAttribute('xChannelSelector', props.xChannel);
+      ref.value.setAttribute('yChannelSelector', props.yChannel);
+    }
   });
 
   if (gaussianBlurRef.value) {
     gaussianBlurRef.value.setAttribute('stdDeviation', props.displace.toString());
   }
-});
-
-const supportsSVGFilters = () => {
-  const ua = navigator.userAgent;
-  const isWebkit = /Safari/.test(ua) && !/Chrome/.test(ua);
-  const isFirefox = /Firefox/.test(ua);
-
-  if (isWebkit || isFirefox) return false;
-
-  const div = document.createElement('div');
-  div.style.backdropFilter = `url(#${filterId.value})`;
-  return div.style.backdropFilter !== '';
 };
 
-const containerStyle = computed(() => ({
-  ...props.style,
-  width: typeof props.width === 'number' ? `${props.width}px` : props.width,
-  height: typeof props.height === 'number' ? `${props.height}px` : props.height,
-  borderRadius: `${props.borderRadius}px`,
-  '--glass-frost': props.backgroundOpacity,
-  '--glass-saturation': props.saturation,
-  '--filter-id': `url(#${filterId.value})`
-}));
+const setupResizeObserver = () => {
+  if (!containerRef.value || typeof ResizeObserver === 'undefined') return;
+
+  resizeObserver = new ResizeObserver(() => {
+    setTimeout(updateDisplacementMap, 0);
+  });
+
+  resizeObserver.observe(containerRef.value);
+};
+
+watch(
+  [
+    () => props.width,
+    () => props.height,
+    () => props.borderRadius,
+    () => props.borderWidth,
+    () => props.brightness,
+    () => props.opacity,
+    () => props.blur,
+    () => props.displace,
+    () => props.distortionScale,
+    () => props.redOffset,
+    () => props.greenOffset,
+    () => props.blueOffset,
+    () => props.xChannel,
+    () => props.yChannel,
+    () => props.mixBlendMode
+  ],
+  () => {
+    updateDisplacementMap();
+    updateFilterElements();
+  }
+);
+
+watch([() => props.width, () => props.height], () => {
+  setTimeout(updateDisplacementMap, 0);
+});
+
+onMounted(() => {
+  const cleanup = updateDarkMode();
+
+  nextTick(() => {
+    updateDisplacementMap();
+    updateFilterElements();
+    setupResizeObserver();
+  });
+
+  onUnmounted(() => {
+    if (cleanup) cleanup();
+    if (resizeObserver) {
+      resizeObserver.disconnect();
+    }
+  });
+});
 </script>
 
 <style scoped>
diff --git a/src/demo/Components/GlassSurfaceDemo.vue b/src/demo/Components/GlassSurfaceDemo.vue
index 5fbbf34..770c1b7 100644
--- a/src/demo/Components/GlassSurfaceDemo.vue
+++ b/src/demo/Components/GlassSurfaceDemo.vue
@@ -96,7 +96,7 @@ const brightness = ref(50);
 const opacity = ref(0.93);
 const blur = ref(11);
 const displace = ref(0.5);
-const distortionScale = ref(-80);
+const distortionScale = ref(-180);
 const redOffset = ref(0);
 const greenOffset = ref(10);
 const blueOffset = ref(20);