album art on lock scree and test fix

.gitea/workflows/build-and-test.yml

@@ -14,8 +14,8 @@ on:
   workflow_dispatch:
 
 jobs:
-  build:
+  test:
-    name: Build APK and Run Tests
+    name: Run Tests
     runs-on: linux/amd64
     container:
       image: gitea.tourolle.paris/dtourolle/jellytau-builder:latest
@@ -60,6 +60,42 @@ jobs:
           cargo test
           cd ..
 
+  build:
+    name: Build Android APK
+    runs-on: linux/amd64
+    needs: test
+    container:
+      image: gitea.tourolle.paris/dtourolle/jellytau-builder:latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Cache Rust dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            src-tauri/target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-
+
+      - name: Cache Node dependencies
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.bun/install/cache
+            node_modules
+          key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-
+
+      - name: Install dependencies
+        run: |
+          bun install
+
       - name: Build frontend
         run: bun run build
 

src-tauri/android/src/main/java/com/dtourolle/jellytau/player/AlbumArtCache.kt

@@ -0,0 +1,142 @@
+package com.dtourolle.jellytau.player
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.LruCache
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.net.HttpURLConnection
+import java.net.URL
+
+/**
+ * Memory cache for album artwork bitmaps with LRU eviction.
+ *
+ * Features:
+ * - LruCache for efficient memory usage (1/8 of heap, typically 12-16MB)
+ * - Automatic bitmap scaling to 512x512 max (lock screen optimal size)
+ * - Async HTTP downloads using Dispatchers.IO (non-blocking)
+ * - Graceful error handling for network failures and corrupted images
+ * - Singleton pattern for app-wide access
+ *
+ * Cache lifecycle: In-memory only, cleared on app termination.
+ */
+class AlbumArtCache(context: Context) {
+    private val maxMemory = (Runtime.getRuntime().maxMemory() / 1024).toInt()
+    private val cacheSize = maxMemory / 8  // Use 1/8 of available heap
+
+    private val memoryCache = object : LruCache<String, Bitmap>(cacheSize) {
+        override fun sizeOf(key: String, bitmap: Bitmap): Int {
+            return bitmap.byteCount / 1024  // Size in KB
+        }
+    }
+
+    /**
+     * Get artwork bitmap for the given URL.
+     *
+     * Checks memory cache first, then downloads from network if not cached.
+     * Scaling and error handling are done transparently.
+     *
+     * @param url The Jellyfin server artwork URL
+     * @return The bitmap, or null if download failed or URL is invalid
+     */
+    suspend fun getArtwork(url: String): Bitmap? {
+        // Check memory cache first
+        memoryCache.get(url)?.let { return it }
+
+        // Download from network if not cached
+        return downloadAndCache(url)
+    }
+
+    /**
+     * Download artwork from network and add to cache.
+     *
+     * Runs on IO dispatcher to avoid blocking the main thread.
+     * Automatically scales large images to 512x512 max.
+     * On failure, logs error and returns null.
+     *
+     * @param url The Jellyfin server artwork URL
+     * @return The cached bitmap, or null if download/decode failed
+     */
+    private suspend fun downloadAndCache(url: String): Bitmap? = withContext(Dispatchers.IO) {
+        try {
+            val connection = URL(url).openConnection() as HttpURLConnection
+            connection.doInput = true
+            connection.connectTimeout = 5000
+            connection.readTimeout = 5000
+            connection.connect()
+
+            if (connection.responseCode != HttpURLConnection.HTTP_OK) {
+                android.util.Log.w("AlbumArtCache", "Failed to download artwork: HTTP ${connection.responseCode}")
+                return@withContext null
+            }
+
+            val input = connection.inputStream
+            val bitmap = BitmapFactory.decodeStream(input)
+            input.close()
+            connection.disconnect()
+
+            bitmap?.let {
+                // Scale down if too large (lock screen doesn't need full resolution)
+                val scaled = scaleDownIfNeeded(it, MAX_ARTWORK_SIZE)
+                memoryCache.put(url, scaled)
+                android.util.Log.d("AlbumArtCache", "Cached artwork: ${scaled.width}x${scaled.height}")
+                scaled
+            }
+        } catch (e: Exception) {
+            android.util.Log.e("AlbumArtCache", "Failed to download artwork: ${e.message}", e)
+            null
+        }
+    }
+
+    /**
+     * Scale down bitmap if it exceeds max size while maintaining aspect ratio.
+     *
+     * @param bitmap The original bitmap
+     * @param maxSize Maximum width or height (e.g., 512)
+     * @return Original bitmap if smaller than maxSize, else scaled version
+     */
+    private fun scaleDownIfNeeded(bitmap: Bitmap, maxSize: Int): Bitmap {
+        if (bitmap.width <= maxSize && bitmap.height <= maxSize) return bitmap
+
+        val ratio = minOf(
+            maxSize.toFloat() / bitmap.width,
+            maxSize.toFloat() / bitmap.height
+        )
+
+        val newWidth = (bitmap.width * ratio).toInt()
+        val newHeight = (bitmap.height * ratio).toInt()
+
+        return Bitmap.createScaledBitmap(bitmap, newWidth, newHeight, true)
+    }
+
+    /**
+     * Clear all cached bitmaps from memory.
+     *
+     * Useful for memory-constrained situations or settings reset.
+     */
+    fun clear() {
+        memoryCache.evictAll()
+    }
+
+    companion object {
+        private const val MAX_ARTWORK_SIZE = 512  // 512x512 max for lock screen
+
+        @Volatile
+        private var instance: AlbumArtCache? = null
+
+        /**
+         * Get or create singleton instance.
+         *
+         * Thread-safe with double-checked locking pattern.
+         *
+         * @param context Android context for initialization
+         * @return The singleton AlbumArtCache instance
+         */
+        fun getInstance(context: Context): AlbumArtCache {
+            return instance ?: synchronized(this) {
+                instance ?: AlbumArtCache(context).also { instance = it }
+            }
+        }
+    }
+}

src-tauri/android/src/main/java/com/dtourolle/jellytau/player/JellyTauPlayer.kt

@@ -143,6 +143,8 @@ class JellyTauPlayer(private val appContext: Context) {
     private var currentArtist: String = ""
     private var currentAlbum: String? = null
     private var currentDurationMs: Long = 0
+    private var currentArtworkUrl: String? = null
+    private var currentArtworkBitmap: android.graphics.Bitmap? = null
 
     /** Media type enum */
     enum class MediaType { AUDIO, VIDEO }
@@ -550,6 +552,8 @@ class JellyTauPlayer(private val appContext: Context) {
             currentArtist = artist ?: ""
             currentAlbum = album
             currentDurationMs = durationMs
+            currentArtworkUrl = artworkUrl
+            currentArtworkBitmap = null  // Reset on new track
 
             // Detect media type
             currentMediaType = if (mediaType.equals("video", ignoreCase = true)) {
@@ -666,6 +670,20 @@ class JellyTauPlayer(private val appContext: Context) {
 
             // Start the foreground service for lockscreen controls
             startPlaybackService()
+
+            // Download album art asynchronously (non-blocking)
+            currentArtworkUrl?.let { url ->
+                coroutineScope.launch {
+                    try {
+                        val bitmap = AlbumArtCache.getInstance(appContext).getArtwork(url)
+                        currentArtworkBitmap = bitmap
+                        updatePlaybackServiceNotification(exoPlayer.isPlaying)
+                        android.util.Log.d("JellyTauPlayer", "Album art loaded: ${bitmap?.width}x${bitmap?.height}")
+                    } catch (e: Exception) {
+                        android.util.Log.e("JellyTauPlayer", "Failed to load album art", e)
+                    }
+                }
+            }
         }
     }
 
@@ -990,7 +1008,8 @@ class JellyTauPlayer(private val appContext: Context) {
                     album = currentAlbum,
                     duration = currentDurationMs,
                     position = (exoPlayer.currentPosition).coerceAtLeast(0),
-                    isPlaying = isPlaying
+                    isPlaying = isPlaying,
+                    artworkBitmap = currentArtworkBitmap
                 )
             } else {
                 android.util.Log.w("JellyTauPlayer", "Playback service not available for notification update")