From fad01aa60279ee871f9f28fafebfc1db53460b09 Mon Sep 17 00:00:00 2001
From: synzr <mikhail@synzr.space>
Date: Wed, 3 Dec 2025 15:36:49 +0500
Subject: [PATCH] refactor(components/tiles): move the root components to
 common

---
 src/lib/components/tiles/common/Tile.svelte   | 303 ++++++++++++++++++
 .../components/tiles/common/TileGroup.svelte  |  66 ++++
 .../tiles/common/TileSmallIcon.svelte         |  10 +
 3 files changed, 379 insertions(+)
 create mode 100644 src/lib/components/tiles/common/Tile.svelte
 create mode 100644 src/lib/components/tiles/common/TileGroup.svelte
 create mode 100644 src/lib/components/tiles/common/TileSmallIcon.svelte

diff --git a/src/lib/components/tiles/common/Tile.svelte b/src/lib/components/tiles/common/Tile.svelte
new file mode 100644
index 0000000..d506a3b
--- /dev/null
+++ b/src/lib/components/tiles/common/Tile.svelte
@@ -0,0 +1,303 @@
+<!--
+@component
+
+Metro-like tile. Must be in a group to display correctly.
+-->
+
+<script lang="ts">
+    import randomNumber from "$lib/utils/random-number";
+
+    import { cva } from "class-variance-authority";
+    import { onDestroy, onMount } from "svelte";
+
+    import TileIconPage from "../pages/TileIconPage.svelte";
+
+    /**
+     * Max angle value.
+     */
+    const MAX_ANGLE = 10;
+
+    /**
+     * Base size of a icon in pixels.
+     **/
+    const ICON_BASE_SIZE = 45;
+
+    /**
+     * Icon sizes.
+     */
+    const ICON_SIZES = {
+        small: ICON_BASE_SIZE,
+        medium: ICON_BASE_SIZE * 2,
+        wide: ICON_BASE_SIZE * 2,
+        large: ICON_BASE_SIZE * 4,
+    };
+
+    /**
+     * Base size of a page in pixels.
+     */
+    const TILE_BASE_SIZE = 75;
+
+    /**
+     * Page heights.
+     */
+    const PAGE_HEIGHTS = {
+        small: TILE_BASE_SIZE,
+        medium: TILE_BASE_SIZE * 2,
+        wide: TILE_BASE_SIZE * 2,
+        large: TILE_BASE_SIZE * 4,
+    };
+
+    /**
+     * Max scroll interval delay in milliseconds.
+     */
+    const SCROLL_INTERVAL_MAX = 7.5 * 1000;
+
+    /**
+     * Min scroll interval delay in milliseconds.
+     */
+    const SCROLL_INTERVAL_MIN = SCROLL_INTERVAL_MAX / 2;
+
+    /**
+     * Tile pages.
+     */
+    let pages: HTMLElement;
+
+    /**
+     * Properties.
+     */
+    let {
+        size,
+        row,
+        icon,
+        column,
+        children,
+        link = "#",
+        enabled = true,
+    }: {
+        /**
+         * Size.
+         */
+        size: "small" | "medium" | "wide" | "large";
+
+        /**
+         * Row index. Must be in a small tiles.
+         */
+        row: number;
+
+        /**
+         * Column index. Must be in a small tiles.
+         */
+        column: number;
+
+        /**
+         * Icon. Must be a valid URL.
+         */
+        icon: string;
+
+        /**
+         * Link.
+         */
+        link?: string;
+
+        /**
+         * Is tile enabled?
+         */
+        enabled?: boolean;
+
+        /**
+         * Pages.
+         */
+        children: () => any;
+    } = $props();
+
+    /**
+     * Tile style.
+     **/
+    const style = cva(["relative", "bg-(--tile-color)/80"], {
+        variants: {
+            size: {
+                small: ["row-span-1", "col-span-1"],
+                medium: ["row-span-2", "col-span-2"],
+                wide: ["row-span-2", "col-span-4"],
+                large: ["row-span-4", "col-span-4"],
+            },
+            enabled: {
+                false: ["grayscale", "opacity-50"],
+                true: [
+                    "active:scale-95",
+                    "perspective-distant",
+                    "active:transform-gpu",
+                    "active:transform-3d",
+                    "active:rotate-x-(--tile-rotate-x)",
+                    "active:rotate-y-(--tile-rotate-y)",
+                    "duration-75",
+                    "ease-in-out",
+                ],
+            },
+        },
+    });
+
+    /**
+     * Is tile active?
+     */
+    const active = link !== "#" && enabled && children !== null;
+
+    /**
+     * Icon size.
+     */
+    const iconSize = ICON_SIZES[size];
+
+    /**
+     * Page height.
+     */
+    const pageHeight = PAGE_HEIGHTS[size];
+
+    /**
+     * Mouse position. Used by border (on mouse over).
+     */
+    let mousePosition = $state({ x: 0, y: 0 });
+
+    /**
+     * Rotation values. Used by transform (on click).
+     */
+    let rotationValues = $state({ x: 0, y: 0 });
+
+    /**
+     * Updates the mouse position-based values.
+     * @param event `mouseover` event.
+     */
+    function updateDynamicMouseValues(event: MouseEvent) {
+        const element = event.target as HTMLElement;
+        const bounds = element.getBoundingClientRect();
+
+        mousePosition = {
+            x: event.clientX - bounds.left,
+            y: event.clientY - bounds.top,
+        };
+
+        const tileCenterX = bounds.width / 2;
+        const tileCenterY = bounds.height / 2;
+
+        rotationValues.x =
+            -((mousePosition.y - tileCenterY) / tileCenterY) * MAX_ANGLE;
+        rotationValues.y =
+            -((tileCenterX - mousePosition.x) / tileCenterX) * MAX_ANGLE;
+    }
+
+    /**
+     * Current page number.
+     */
+    let currentPage = 1;
+
+    /**
+     * Scroll orientation.
+     */
+    let scrollOrientation: "up" | "down" = "down";
+
+    /**
+     * Page count.
+     */
+    let pageCount: number;
+
+    /**
+     * Scroll between pages. Used by scroll interval.
+     */
+    function scrollPages() {
+        // NOTE: Handle the current page and multipler.
+        let scrollMultipler: number;
+        if (scrollOrientation === "down") {
+            scrollMultipler = 1;
+            currentPage++;
+        } else {
+            scrollMultipler = -1;
+            currentPage--;
+        }
+
+        // NOTE: Scroll the pages.
+        pages.scrollBy({ top: pageHeight * scrollMultipler });
+
+        // NOTE: Change the orientation after scroll.
+        if (currentPage === pageCount) {
+            scrollOrientation = "up";
+        } else if (currentPage === 1) {
+            scrollOrientation = "down";
+        }
+    }
+
+    /**
+     * Scroll interval.
+     */
+    let scrollInterval: NodeJS.Timeout;
+
+    onMount(() => {
+        pageCount = Math.floor(pages.scrollHeight / pageHeight);
+
+        if (size === "small" || pageCount === 1) {
+            return;
+        }
+
+        const scrollDelay = randomNumber(
+            SCROLL_INTERVAL_MIN,
+            SCROLL_INTERVAL_MAX,
+        );
+
+        scrollInterval = setInterval(scrollPages, scrollDelay);
+    });
+
+    onDestroy(() => {
+        if (!scrollInterval) {
+            return;
+        }
+
+        clearInterval(scrollInterval);
+    });
+</script>
+
+<a
+    class={style({ size, enabled })}
+    style="
+        --tile-icon: url('{icon}');
+        --tile-icon-size: {iconSize}px;
+        --tile-page-height: {pageHeight}px;
+        --tile-name-display: {size !== 'small' ? 'inline' : 'none'};
+        --tile-rotate-x: {rotationValues.x}deg;
+        --tile-rotate-y: {rotationValues.y}deg;
+        grid-row-start: {row};
+        grid-column-start: {column};
+    "
+    onmousemove={active ? updateDynamicMouseValues : null}
+    href="#h"
+>
+    <!-- Tile pages -->
+    <div
+        class="w-full h-full overflow-y-hidden scroll-smooth duration-150"
+        bind:this={pages}
+    >
+        {#if active}
+            {@render children()}
+        {:else}
+            <TileIconPage />
+        {/if}
+    </div>
+
+    {#if active}
+        <!-- Tile border -->
+        <div
+            class="
+                absolute top-0
+                w-full h-full
+                border-2 border-white
+                opacity-0 hover:opacity-50 hover:mask-(--mask) active:opacity-100
+                duration-75 ease-in-out
+            "
+            style="
+                --mask: radial-gradient(
+                    {TILE_BASE_SIZE}px
+                    at {mousePosition.x}px {mousePosition.y}px,
+                    black 45%,
+                    transparent
+                );
+            "
+        ></div>
+    {/if}
+</a>
diff --git a/src/lib/components/tiles/common/TileGroup.svelte b/src/lib/components/tiles/common/TileGroup.svelte
new file mode 100644
index 0000000..ab2af01
--- /dev/null
+++ b/src/lib/components/tiles/common/TileGroup.svelte
@@ -0,0 +1,66 @@
+<!--
+@component
+
+A group of tiles. Places them correctly in a grid.
+-->
+
+<script lang="ts">
+    /**
+     * Properties.
+     */
+    let {
+        title,
+        rows,
+        columns,
+        color = "var(--color-brand)",
+        children,
+    }: {
+        /**
+         * Group title.
+         */
+        title?: string;
+
+        /**
+         * Row count.
+         */
+        rows: number;
+
+        /**
+         * Column count.
+         */
+        columns: number;
+
+        /**
+         * Color. Must be a valid CSS color.
+         */
+        color?: string;
+
+        /**
+         * Tiles.
+         */
+        children: () => any;
+    } = $props();
+
+    // NOTE: to make it usable for small tiles
+    columns *= 2;
+    rows *= 2;
+</script>
+
+<section role="group">
+    <!-- Group title -->
+    {#if title}
+        <h1 class="py-2 select-none">{title}</h1>
+    {/if}
+
+    <!-- Group content -->
+    <div
+        class="grid"
+        style="
+            --tile-color: {color};
+            grid-template-columns: repeat({columns}, 75px);
+            grid-template-rows: repeat({rows}, 75px);
+        "
+    >
+        {@render children()}
+    </div>
+</section>
diff --git a/src/lib/components/tiles/common/TileSmallIcon.svelte b/src/lib/components/tiles/common/TileSmallIcon.svelte
new file mode 100644
index 0000000..96f7f0f
--- /dev/null
+++ b/src/lib/components/tiles/common/TileSmallIcon.svelte
@@ -0,0 +1,10 @@
+<!--
+@component
+
+Small icon for a tile pages.
+-->
+
+<div
+    class="w-8 mt-auto aspect-square bg-contain bg-center bg-no-repeat self-start m-2"
+    style="background-image: var(--tile-icon);"
+></div>