Wallet/controls - Migrate existing settings

Step 2 of 2. Move wallet settings from System -> Gestures -> Power
Menu to Display -> Lockscreen. Split the existing sensitivity setting
into two separate toggles to give users better control of their
privacy settings.

Bug: 185597511
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.display

Change-Id: Ifc390945a45258bbcc3c0a6ac67a0c4a3f7a9e91

src/com/android/settings/display/WalletPrivacyPreferenceController.java

@@ -0,0 +1,95 @@
+/*
+ * 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.display;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.provider.Settings;
+import android.service.quickaccesswallet.QuickAccessWalletClient;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+/**
+ * Preference for showing/hiding sensitive wallet content while the device is locked.
+ */
+public class WalletPrivacyPreferenceController extends TogglePreferenceController {
+
+    private static final String SETTING_KEY = "lockscreen_show_wallet";
+    private final QuickAccessWalletClient mClient;
+
+    public WalletPrivacyPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mClient = initWalletClient();
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getInt(mContext.getContentResolver(), SETTING_KEY, 0) != 0;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putInt(mContext.getContentResolver(), SETTING_KEY,
+                isChecked ? 1 : 0);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final int res;
+        if (!isSecure()) {
+            res = R.string.lockscreen_privacy_not_secure;
+        } else {
+            res = R.string.lockscreen_privacy_wallet_summary;
+        }
+        return mContext.getText(res);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return isEnabled() && isSecure() ? AVAILABLE : DISABLED_DEPENDENT_SETTING;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        preference.setEnabled(getAvailabilityStatus() != DISABLED_DEPENDENT_SETTING);
+        refreshSummary(preference);
+    }
+
+    private boolean isEnabled() {
+        return mClient.isWalletServiceAvailable();
+    }
+
+    private boolean isSecure() {
+        final LockPatternUtils utils = FeatureFactory.getFactory(mContext)
+                .getSecurityFeatureProvider()
+                .getLockPatternUtils(mContext);
+        int userId = UserHandle.myUserId();
+        return utils.isSecure(userId);
+    }
+
+    @VisibleForTesting
+    QuickAccessWalletClient initWalletClient() {
+        return QuickAccessWalletClient.create(mContext);
+    }
+}