Apply app ops restriction and filter to restricted switch preference

Bug: 202130031
Test: Able to boot without error
Test: atest InstallSourceInfoTest

Change-Id: I920e155a3888440eeece0c013ba35459103467a6

packages/SettingsLib/src/com/android/settingslib/RestrictedPreferenceHelper.java

@@ -23,7 +23,6 @@ import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.os.Build;
 import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.AttributeSet;
@@ -33,8 +32,6 @@ import android.widget.TextView;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceViewHolder;
 
-import com.android.internal.util.Preconditions;
-
 /**
  * Helper class for managing settings preferences that can be disabled
  * by device admins via user restrictions.
@@ -42,8 +39,8 @@ import com.android.internal.util.Preconditions;
 public class RestrictedPreferenceHelper {
     private final Context mContext;
     private final Preference mPreference;
-    final String packageName;
-    final int uid;
+    String packageName;
+    int uid;
 
     private boolean mDisabledByAdmin;
     private EnforcedAdmin mEnforcedAdmin;
@@ -219,6 +216,11 @@ public class RestrictedPreferenceHelper {
         return mDisabledByAppOps;
     }
 
+    public void updatePackageDetails(String packageName, int uid) {
+        this.packageName = packageName;
+        this.uid = uid;
+    }
+
     private void updateDisabledState() {
         if (!(mPreference instanceof RestrictedTopLevelPreference)) {
             mPreference.setEnabled(!(mDisabledByAdmin || mDisabledByAppOps));

packages/SettingsLib/src/com/android/settingslib/RestrictedSwitchPreference.java

@@ -18,8 +18,11 @@ package com.android.settingslib;
 
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
+import android.annotation.NonNull;
+import android.app.AppOpsManager;
 import android.content.Context;
 import android.content.res.TypedArray;
+import android.os.Process;
 import android.os.UserHandle;
 import android.util.AttributeSet;
 import android.util.TypedValue;
@@ -28,6 +31,7 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.annotation.VisibleForTesting;
 import androidx.core.content.res.TypedArrayUtils;
 import androidx.preference.PreferenceManager;
 import androidx.preference.PreferenceViewHolder;
@@ -39,6 +43,7 @@ import androidx.preference.SwitchPreference;
  */
 public class RestrictedSwitchPreference extends SwitchPreference {
     RestrictedPreferenceHelper mHelper;
+    AppOpsManager mAppOpsManager;
     boolean mUseAdditionalSummary = false;
     CharSequence mRestrictedSwitchSummary;
     private int mIconSize;
@@ -90,6 +95,11 @@ public class RestrictedSwitchPreference extends SwitchPreference {
         this(context, null);
     }
 
+    @VisibleForTesting
+    public void setAppOps(AppOpsManager appOps) {
+        mAppOpsManager = appOps;
+    }
+
     public void setIconSize(int iconSize) {
         mIconSize = iconSize;
     }
@@ -97,6 +107,12 @@ public class RestrictedSwitchPreference extends SwitchPreference {
     @Override
     public void onBindViewHolder(PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
+        final View switchView = holder.findViewById(android.R.id.switch_widget);
+        if (switchView != null) {
+            final View rootView = switchView.getRootView();
+            rootView.setFilterTouchesWhenObscured(true);
+        }
+
         mHelper.onBindViewHolder(holder);
 
         CharSequence switchSummary;
@@ -164,11 +180,18 @@ public class RestrictedSwitchPreference extends SwitchPreference {
 
     @Override
     public void setEnabled(boolean enabled) {
+        boolean changed = false;
         if (enabled && isDisabledByAdmin()) {
             mHelper.setDisabledByAdmin(null);
-            return;
+            changed = true;
+        }
+        if (enabled && isDisabledByAppOps()) {
+            mHelper.setDisabledByAppOps(false);
+            changed = true;
+        }
+        if (!changed) {
+            super.setEnabled(enabled);
         }
-        super.setEnabled(enabled);
     }
 
     public void setDisabledByAdmin(EnforcedAdmin admin) {
@@ -180,4 +203,38 @@ public class RestrictedSwitchPreference extends SwitchPreference {
     public boolean isDisabledByAdmin() {
         return mHelper.isDisabledByAdmin();
     }
+
+    private void setDisabledByAppOps(boolean disabled) {
+        if (mHelper.setDisabledByAppOps(disabled)) {
+            notifyChanged();
+        }
+    }
+
+    public boolean isDisabledByAppOps() {
+        return mHelper.isDisabledByAppOps();
+    }
+
+    public int getUid() {
+        return mHelper != null ? mHelper.uid : Process.INVALID_UID;
+    }
+
+    public String getPackageName() {
+        return mHelper != null ? mHelper.packageName : null;
+    }
+
+    public void updateState(@NonNull String packageName, int uid, boolean isEnabled) {
+        mHelper.updatePackageDetails(packageName, uid);
+        if (mAppOpsManager == null) {
+            mAppOpsManager = getContext().getSystemService(AppOpsManager.class);
+        }
+        final int mode = mAppOpsManager.noteOpNoThrow(
+                AppOpsManager.OP_ACCESS_RESTRICTED_SETTINGS,
+                uid, packageName);
+        final boolean appOpsAllowed = mode == AppOpsManager.MODE_ALLOWED;
+        if (appOpsAllowed || isEnabled) {
+            setEnabled(true);
+        } else {
+            setDisabledByAppOps(true);
+        }
+    }
 }