Merge "Implement controller to disable transcoding cache" into sc-dev

src/com/android/settings/development/transcode/TranscodeDisableCachePreferenceController.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development.transcode;
+
+import android.content.Context;
+import android.os.SystemProperties;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.core.TogglePreferenceController;
+
+/**
+ * The controller (in the Media transcoding settings) indicating the user's preference to disable
+ * the cache for transcoding.
+ */
+public class TranscodeDisableCachePreferenceController extends TogglePreferenceController {
+    @VisibleForTesting
+    static final String TRANSCODE_DISABLE_CACHE_SYS_PROP_KEY =
+            "persist.sys.fuse.disable_transcode_cache";
+
+    public TranscodeDisableCachePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return SystemProperties.getBoolean(TRANSCODE_DISABLE_CACHE_SYS_PROP_KEY, false);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        SystemProperties.set(TRANSCODE_DISABLE_CACHE_SYS_PROP_KEY, String.valueOf(isChecked));
+        return true;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+}