make refresh rate selectable

2026-06-10 09:22:58 +02:00
parent 73ac6fd400
commit 912c15e063
10 changed files with 281 additions and 4 deletions
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter_displaymode/flutter_displaymode.dart';
+import 'package:riverpod/riverpod.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/core/logger.dart';
+import 'package:weblibre/features/user/data/models/general_settings.dart';
+import 'package:weblibre/features/user/domain/repositories/general_settings.dart';
+
+part 'display_mode.g.dart';
+
+Future<void> _applyRefreshRateMode(RefreshRateMode mode) async {
+  // `flutter_displaymode` only supports Android; the calls throw on other
+  // platforms, so skip them entirely.
+  if (!Platform.isAndroid) {
+    return;
+  }
+
+  try {
+    switch (mode) {
+      case RefreshRateMode.system:
+        // No dedicated "auto" helper; selecting the auto mode hands control
+        // back to the OS-managed default.
+        await FlutterDisplayMode.setPreferredMode(DisplayMode.auto);
+      case RefreshRateMode.high:
+        await FlutterDisplayMode.setHighRefreshRate();
+      case RefreshRateMode.low:
+        await FlutterDisplayMode.setLowRefreshRate();
+    }
+  } catch (e, s) {
+    logger.w('Failed to apply refresh rate mode', error: e, stackTrace: s);
+  }
+}
+
+/// Always-mounted side-effect provider that pushes the configured
+/// [RefreshRateMode] to the OS whenever it changes. Flutter does not request a
+/// high refresh rate by default, so without this the app stays at 60Hz on many
+/// devices even when the panel supports more.
+///
+/// Watched from the root widget so it stays alive for the whole app lifetime.
+/// The body re-runs on every change of the setting (including the initial
+/// build), so the mode is applied at startup as well as on later edits.
+@Riverpod(keepAlive: true)
+void displayModeApplier(Ref ref) {
+  final mode = ref.watch(
+    generalSettingsWithDefaultsProvider.select((s) => s.refreshRateMode),
+  );
+
+  unawaited(_applyRefreshRateMode(mode));
+}