Add the controller for the top switch.

Bug: 302189945
Change-Id: Ie43ac181e643a8b215ca830afc6ef670d91a5762

src/com/android/settings/security/ContentProtectionTogglePreferenceController.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2023 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.security;
+
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.provider.Settings;
+import android.widget.Switch;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.widget.SettingsMainSwitchPreference;
+import com.android.settingslib.widget.OnMainSwitchChangeListener;
+
+/** Preference controller for content protection toggle switch bar. */
+public class ContentProtectionTogglePreferenceController extends TogglePreferenceController
+        implements OnMainSwitchChangeListener {
+
+    @VisibleForTesting
+    static final String KEY_CONTENT_PROTECTION_PREFERENCE = "content_protection_user_consent";
+
+    private SettingsMainSwitchPreference mSwitchBar;
+    private final ContentResolver mContentResolver;
+    private final boolean isFullyManagedDevice = Utils.getDeviceOwnerComponent(mContext) != null;
+
+    public ContentProtectionTogglePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mContentResolver = context.getContentResolver();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        if (isFullyManagedDevice) {
+            // If fully managed device, it should always unchecked
+            return false;
+        }
+        return Settings.Global.getInt(mContentResolver, KEY_CONTENT_PROTECTION_PREFERENCE, 0) >= 0;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mSwitchBar.setChecked(isChecked);
+        Settings.Global.putInt(
+                mContentResolver, KEY_CONTENT_PROTECTION_PREFERENCE, isChecked ? 1 : -1);
+        return true;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+
+        mSwitchBar = screen.findPreference(getPreferenceKey());
+        mSwitchBar.addOnSwitchChangeListener(this);
+        if (isFullyManagedDevice) {
+            // If fully managed device, the switch bar is greyed out
+            mSwitchBar.setEnabled(false);
+        }
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        if (isChecked != isChecked()) {
+            setChecked(isChecked);
+        }
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_security;
+    }
+}