feat(setup): bootstrap Android plugin and web UI

This initial commit adds a multi-part scaffold for Wechselbild, including a web UI and an Android plugin. It introduces frontend assets and a package.json-based dev setup, plus plugin scaffolding for Android with Kotlin sources and Cargo.toml for the Tauri plugin. - Adds Android wallpaper plugin with Kotlin sources and manifest - Includes web UI scaffold with index.html and package.json - Adds Tauri plugin scaffold with Cargo.toml and build config
2026-08-20 17:46:28 +02:00
commit 2a85d5f622
148 changed files with 18356 additions and 0 deletions
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+package de.wechselbild.wallpaper
+
+import android.app.Activity
+import android.content.Intent
+import android.net.Uri
+import androidx.activity.result.ActivityResult
+import app.tauri.annotation.ActivityCallback
+import app.tauri.annotation.Command
+import app.tauri.annotation.InvokeArg
+import app.tauri.annotation.TauriPlugin
+import app.tauri.plugin.Invoke
+import app.tauri.plugin.Plugin
+import java.io.File
+import java.util.UUID
+import java.util.concurrent.Executors
+
+@InvokeArg
+class SettingArgs { lateinit var name: String; var value: Boolean = false }
+
+@TauriPlugin
+class WallpaperPlugin(private val activity: Activity) : Plugin(activity) {
+  private val io = Executors.newSingleThreadExecutor()
+
+  @Command fun getState(invoke: Invoke) = io.execute { invoke.resolve(WallpaperStore.state(activity)) }
+
+  @Command fun selectImages(invoke: Invoke) {
+    val intent = Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+      addCategory(Intent.CATEGORY_OPENABLE)
+      type = "image/*"
+      putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true)
+      addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION)
+    }
+    startActivityForResult(invoke, intent, "selectedImages")
+  }
+
+  @ActivityCallback
+  fun selectedImages(invoke: Invoke, result: ActivityResult) {
+    if (result.resultCode != Activity.RESULT_OK) { invoke.reject("Bildauswahl abgebrochen"); return }
+    val uris = mutableListOf<Uri>()
+    result.data?.data?.let(uris::add)
+    result.data?.clipData?.let { clip -> for (i in 0 until clip.itemCount) uris.add(clip.getItemAt(i).uri) }
+    if (uris.isEmpty()) { invoke.reject("Keine Bilder ausgewählt"); return }
+    io.execute {
+      try {
+        uris.forEach { uri ->
+          val type = activity.contentResolver.getType(uri)
+          val extension = when (type) { "image/png" -> "png"; "image/webp" -> "webp"; else -> "jpg" }
+          val target = File(WallpaperStore.directory(activity), "${System.currentTimeMillis()}-${UUID.randomUUID()}.$extension")
+          activity.contentResolver.openInputStream(uri).use { input -> requireNotNull(input) { "Bild konnte nicht geöffnet werden" }; target.outputStream().use(input::copyTo) }
+        }
+        invoke.resolve(WallpaperStore.state(activity))
+      } catch (error: Exception) { invoke.reject(error.message ?: "Bilder konnten nicht importiert werden") }
+    }
+  }
+
+  @Command fun setSetting(invoke: Invoke) {
+    try {
+      val args = invoke.parseArgs(SettingArgs::class.java)
+      WallpaperStore.set(activity, args.name, args.value)
+      if (args.name == "enabled") {
+        if (args.value) WallpaperRotationService.start(activity) else WallpaperRotationService.stop(activity)
+      }
+      invoke.resolve(WallpaperStore.state(activity))
+    } catch (error: Exception) { invoke.reject(error.message ?: "Einstellung konnte nicht gespeichert werden") }
+  }
+
+  @Command fun nextWallpaper(invoke: Invoke) = io.execute {
+    if (WallpaperStore.applyNext(activity)) invoke.resolve(WallpaperStore.state(activity)) else invoke.reject("Bitte wähle zuerst Bilder aus")
+  }
+}