chore: add custom themes

Co-authored-by: Copilot <[email protected]>

src/lib/components/ui/scroll-container/ScrollContainer.svelte

@@ -74,12 +74,18 @@
 
 <div class="wrapper" bind:this={wrapper}>
   <!-- Scrollable content -->
-  <div class={`content ${className}`} bind:this={container} onscroll={updateScrollbar}>
+  <div
+    class={`content ${className}`}
+    bind:this={container}
+    onscroll={updateScrollbar}
+    id="scrollable-content"
+  >
     {@render children?.()}
   </div>
 
   <!-- Custom scrollbar -->
   <div class="scrollbar" style="top: {topOffset}px;">
+    <!-- svelte-ignore a11y_no_static_element_interactions -->
     <div
       class="thumb"
       bind:this={thumb}
@@ -87,6 +93,7 @@
       onpointermove={drag}
       onpointerup={endDrag}
       onpointercancel={endDrag}
+      aria-controls="scrollable-content"
       style="height:{thumbHeight}px; transform:translateY({thumbTop}px);"
     ></div>
   </div>
@@ -117,8 +124,8 @@
     position: absolute;
     right: 2px;
     bottom: 0;
-    width: 12px;
-    background: var(--color-theme-950);
+    width: 8px;
+    background: transparent;
     border-radius: 999px;
   }
 
@@ -126,7 +133,7 @@
   .thumb {
     position: absolute;
     width: 100%;
-    background: var(--color-theme-800);
+    background: var(--color-theme-700);
     border-radius: 999px;
     cursor: grab;
     transition: background 0.15s;

src/lib/global.ts

@@ -3,8 +3,7 @@ import { ezppfarm } from './api/ezpp';
 import type { Component } from 'svelte';
 import Loading from '../screens/Loading.svelte';
 import type { Release } from './types';
-import { THEMES } from './themes';
-
+import type { Theme } from './themes';
 export const currentView = writable<Component>(Loading);
 
 export const platform = writable<string>('');
@@ -25,8 +24,9 @@ export const currentLoadingInfo = writable<string>('Initializing...');
 export const firstStartup = writable<boolean>(false);
 
 export const launching = writable<boolean>(false);
-export const theme = writable<(typeof THEMES)[number]>(THEMES[0]);
-export const theme_video = writable<HTMLVideoElement | undefined>(undefined);
+export const custom_themes = writable<Theme[]>([]);
+export const custom_theme_container = writable<HTMLElement | undefined>(undefined);
+export const active_custom_theme = writable<Theme | undefined>(undefined);
 
 export const serverPing = writable<number | undefined>(undefined);
 export const serverConnectionFails = writable(0);

src/lib/themes.ts

@@ -1,43 +1,260 @@
-import executionclap_video from '$assets/themes/execution_clap/video.webm';
-import lostumbrella_video from '$assets/themes/lost_umbrella/video.webm';
-import nyancat_image from '$assets/themes/nyan_cat/image.gif';
-import nyancat_audio from '$assets/themes/nyan_cat/audio.mp3';
+import * as path from '@tauri-apps/api/path';
+import * as fs from '@tauri-apps/plugin-fs';
+import { convertFileSrc } from '@tauri-apps/api/core';
+import { active_custom_theme, custom_themes } from './global';
+import { setGlobalVolume } from './utils';
+import { betterFetch } from '@better-fetch/fetch';
+import zip from 'jszip';
 
-export const THEMES = [
-  {
-    name: 'default',
-    display_name: 'Default',
-    assets: {
-      background_video: undefined,
-      background_image: undefined,
-      audio: undefined,
+export type Theme = {
+  name: string;
+  version: string;
+  author: string;
+  scriptUrl: string;
+  assets: string;
+  preview: string;
+  status: 'installed' | 'downloading' | 'extracting' | 'not-installed';
+  progress: number;
+};
+
+export const getDownloadableThemes = async () => {
+  const themes: Theme[] = [];
+
+  const downloadableThemes = await betterFetch<
+    {
+      name: string;
+      version: string;
+      author: string;
+    }[]
+  >('https://git.ez-pp.farm/EZPPFarm/EZPPLauncher-Themes/raw/branch/main/themes.json', {
+    method: 'GET',
+    headers: {
+      'Content-Type': 'application/json',
+      Accept: 'application/json',
+      'User-Agent':
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36',
     },
-  },
-  {
-    name: 'execution_clap',
-    display_name: 'Execution Clap',
-    assets: {
-      background_video: executionclap_video,
-      background_image: undefined,
-      audio: undefined,
+  });
+  if (downloadableThemes.data) {
+    for (const theme of downloadableThemes.data) {
+      themes.push({
+        name: theme.name,
+        version: theme.version,
+        author: theme.author,
+        scriptUrl: '',
+        assets: '',
+        preview: `https://git.ez-pp.farm/EZPPFarm/EZPPLauncher-Themes/raw/branch/main/previews/${toSafeName(theme.name)}.png`,
+        status: 'not-installed',
+        progress: 0,
+      });
+    }
+  } else {
+    console.error('Failed to fetch downloadable themes');
+    console.error(downloadableThemes.error);
+  }
+  return themes;
+};
+
+export const getThemes = async (): Promise<Theme[]> => {
+  const themes: Theme[] = [];
+  themes.push({
+    author: 'EZPPFarm',
+    name: 'Default',
+    version: '1.0.0',
+    scriptUrl: '',
+    assets: '',
+    preview: '',
+    status: 'installed',
+    progress: 0,
+  });
+  const folderPath = await path.join(await path.homeDir(), '.ezpplauncher', 'themes');
+  if (await fs.exists(folderPath)) {
+    const themeFolders = await fs.readDir(folderPath);
+    for (const themeFolder of themeFolders) {
+      const themeFolderPath = await path.join(folderPath, themeFolder.name);
+      const themeConfigFilePath = await path.join(folderPath, themeFolder.name, 'theme.json');
+      if (await fs.exists(themeConfigFilePath)) {
+        const themeConfig = await fs.readTextFile(themeConfigFilePath);
+        const theme = JSON.parse(themeConfig) as {
+          name: string;
+          version: string;
+          apiVersion: string;
+          author: string;
+          entry: string;
+          style: string;
+          preview: string;
+        };
+        const scriptFile = await path.join(folderPath, themeFolder.name, theme.entry);
+        if (await fs.exists(scriptFile)) {
+          themes.push({
+            name: theme.name,
+            version: theme.version,
+            author: theme.author,
+            scriptUrl: convertFileSrc(await path.normalize(`${themeFolderPath}/${theme.entry}`)),
+            assets: convertFileSrc(await path.normalize(`${themeFolderPath}/assets`)),
+            preview: convertFileSrc(
+              await path.normalize(`${themeFolderPath}/assets/${theme.preview}`)
+            ),
+            status: 'installed',
+            progress: 0,
+          });
+        }
+      }
+    }
+  }
+  return themes;
+};
+
+function combineChunks(chunks: Uint8Array[], totalLength: number): Uint8Array {
+  const result = new Uint8Array(totalLength);
+
+  let offset = 0;
+  for (const chunk of chunks) {
+    result.set(chunk, offset);
+    offset += chunk.length;
+  }
+
+  return result;
+}
+
+export const downloadTheme = async (theme: Theme): Promise<boolean> => {
+  if (theme.status !== 'not-installed') return false;
+
+  custom_themes.update((themes) => {
+    const matchedTheme = themes.find((t) => t.name === theme.name);
+    if (matchedTheme) {
+      matchedTheme.status = 'downloading';
+    }
+    return themes;
+  });
+  const downloadUrl = `https://git.ez-pp.farm/EZPPFarm/EZPPLauncher-Themes/raw/branch/main/themes/${toSafeName(
+    theme.name
+  )}.ezpplauncher-theme`;
+  const downloadReq = await fetch(downloadUrl, {
+    method: 'GET',
+    headers: {
+      'User-Agent':
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36',
     },
-  },
-  {
-    name: 'lost_umbrella',
-    display_name: 'Lost Umbrella',
-    assets: {
-      background_video: lostumbrella_video,
-      background_image: undefined,
-      audio: undefined,
-    },
-  },
-  {
-    name: 'nyan_cat',
-    display_name: 'Nyan Cat',
-    assets: {
-      background_video: undefined,
-      background_image: nyancat_image,
-      audio: nyancat_audio,
-    },
-  },
-];
+  });
+
+  if (!downloadReq.ok || downloadReq.body === null) {
+    console.log(downloadUrl);
+    custom_themes.update((themes) => {
+      const matchedTheme = themes.find((t) => t.name === theme.name);
+      if (matchedTheme) {
+        matchedTheme.status = 'not-installed';
+      }
+      return themes;
+    });
+    return false;
+  }
+  const total = Number(downloadReq.headers.get('content-length')) || 0;
+  const reader = downloadReq.body.getReader();
+  let received = 0;
+  const chunks = [];
+
+  while (true) {
+    const { done, value } = await reader.read();
+    if (done) break;
+    chunks.push(value);
+    received += value.length;
+    const progress = received / total;
+    custom_themes.update((themes) => {
+      const matchedTheme = themes.find((t) => t.name === theme.name);
+      if (matchedTheme) {
+        matchedTheme.progress = progress;
+      }
+      return themes;
+    });
+  }
+
+  custom_themes.update((themes) => {
+    const matchedTheme = themes.find((t) => t.name === theme.name);
+    if (matchedTheme) {
+      matchedTheme.status = 'extracting';
+    }
+    return themes;
+  });
+  const baseThemeFolder = await path.join(await path.homeDir(), '.ezpplauncher', 'themes');
+  const themeFolder = await path.join(baseThemeFolder, toSafeName(theme.name));
+  if (!(await fs.exists(baseThemeFolder))) await fs.mkdir(baseThemeFolder, { recursive: true });
+  if (!(await fs.exists(themeFolder))) await fs.mkdir(themeFolder, { recursive: true });
+
+  const zipFile = await zip.loadAsync(combineChunks(chunks, total));
+  const totalFiles = Object.keys(zipFile.files).length;
+  let extractedFiles = 0;
+  for (const zipEntry of Object.keys(zipFile.files)) {
+    const file = zipFile.file(zipEntry);
+    if (file) {
+      try {
+        const fileData = await file.async('uint8array');
+        const filePath = await path.join(themeFolder, zipEntry);
+        const dirPath = await path.dirname(filePath);
+        if (!(await fs.exists(dirPath))) await fs.mkdir(dirPath, { recursive: true });
+        await new Promise((res) => setTimeout(res, 250));
+        await fs.writeFile(filePath, fileData);
+        extractedFiles++;
+        custom_themes.update((themes) => {
+          const matchedTheme = themes.find((t) => t.name === theme.name);
+          if (matchedTheme) {
+            matchedTheme.progress = extractedFiles / totalFiles;
+          }
+          return themes;
+        });
+      } catch (err) {
+        console.log(err);
+      }
+    }
+  }
+  const themeConfig = await fs.readTextFile(await path.join(themeFolder, 'theme.json'));
+  const themeConfigObj = JSON.parse(themeConfig) as {
+    name: string;
+    version: string;
+    apiVersion: string;
+    author: string;
+    entry: string;
+    style: string;
+    preview: string;
+  };
+
+  const themeScript = convertFileSrc(
+    await path.normalize(`${themeFolder}/${themeConfigObj.entry}`)
+  );
+  const themeAssets = convertFileSrc(await path.normalize(`${themeFolder}/assets`));
+  const themePreview = convertFileSrc(
+    await path.normalize(`${themeFolder}/assets/${themeConfigObj.preview}`)
+  );
+  custom_themes.update((themes) => {
+    const matchedTheme = themes.find((t) => t.name === theme.name);
+    if (matchedTheme) {
+      matchedTheme.scriptUrl = themeScript;
+      matchedTheme.assets = themeAssets;
+      matchedTheme.preview = themePreview;
+      matchedTheme.name = themeConfigObj.name;
+      matchedTheme.version = themeConfigObj.version;
+      matchedTheme.author = themeConfigObj.author;
+      matchedTheme.status = 'installed';
+    }
+    return themes;
+  });
+  return true;
+};
+
+export const loadTheme = async (theme: Theme, themeContainer: HTMLElement) => {
+  active_custom_theme.set(theme);
+  themeContainer.innerHTML = '';
+  if (theme.scriptUrl.length > 0) {
+    const themeScript = await import(theme.scriptUrl);
+    /* @vite-ignore */
+    themeScript.mountTheme(themeContainer, { assets: theme.assets });
+  }
+  setGlobalVolume(0.15);
+};
+
+export const toSafeName = (name: string) => {
+  return name
+    .toLowerCase()
+    .replace(/[^a-z0-9]/g, '_')
+    .replace(/-+/g, '_');
+};

src/lib/utils.ts

@@ -99,3 +99,48 @@ export const urlIsValidImage = async (url: string) => {
     return false;
   }
 };
+
+export function toURL(data: Buffer, type: string) {
+  return URL.createObjectURL(new Blob([new Uint8Array(data)], { type }));
+}
+
+export function setGlobalVolume(volume: number) {
+  const audioElements = document.querySelectorAll('audio');
+  audioElements.forEach((audio) => {
+    audio.volume = volume;
+  });
+
+  const videoElements = document.querySelectorAll('video');
+  videoElements.forEach((video) => {
+    video.volume = volume;
+  });
+}
+
+export function fadeGlobalVolume(volumeFrom: number, volumeTo: number, duration: number) {
+  const audioElements = document.querySelectorAll('audio');
+  const videoElements = document.querySelectorAll('video');
+
+  const startTime = performance.now();
+
+  function animate() {
+    const currentTime = performance.now();
+    const elapsedTime = currentTime - startTime;
+    const progress = Math.min(elapsedTime / duration, 1);
+
+    const interpolatedVolume = volumeFrom + (volumeTo - volumeFrom) * progress;
+
+    audioElements.forEach((audio) => {
+      audio.volume = interpolatedVolume;
+    });
+
+    videoElements.forEach((video) => {
+      video.volume = interpolatedVolume;
+    });
+
+    if (progress < 1) {
+      requestAnimationFrame(animate);
+    }
+  }
+
+  animate();
+}