Add util method to get the admin who set maximum time to lock. (45e298f4) · Commits · e / os / android_frameworks_base

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

+82 −6

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.IPackageManager;
		import android.content.pm.UserInfo;
		import android.graphics.Color;
		import android.graphics.drawable.Drawable;
		import android.os.Bundle;
		@@ -36,6 +37,8 @@ import android.text.style.ImageSpan;
		import android.view.MenuItem;
		import android.widget.TextView;

		import com.android.internal.widget.LockPatternUtils;

		import java.util.List;

		/**
		@@ -60,9 +63,9 @@ public class RestrictedLockUtils {
		*
		* @param userRestriction Restriction to check
		* @param userId User which we need to check if restriction is enforced on.
		* @return EnforcedAdmin Object containing the enforce admin and admin user details, or
		* {@code null} If the restriction is not set. If the restriction is set by both device owner
		* and profile owner, then the admin will be set to {@code null} and userId to
		* @return EnforcedAdmin Object containing the enforced admin component and admin user details,
		* or {@code null} If the restriction is not set. If the restriction is set by both device owner
		* and profile owner, then the admin component will be set to {@code null} and userId to
		* {@link UserHandle#USER_NULL}.
		*/
		public static EnforcedAdmin checkIfRestrictionEnforced(Context context,
		@@ -116,9 +119,9 @@ public class RestrictedLockUtils {
		*
		* @param keyguardNotificationFeatures Could be any of notification features that can be
		* disabled by {@link android.app.admin.DevicePolicyManager#setKeyguardDisabledFeatures}.
		* @return EnforcedAdmin Object containing the enforce admin and admin user details, or
		* {@code null} If the notification features are not disabled. If the restriction is set by
		* multiple admins, then the admin will be set to {@code null} and userId to
		* @return EnforcedAdmin Object containing the enforced admin component and admin user details,
		* or {@code null} If the notification features are not disabled. If the restriction is set by
		* multiple admins, then the admin component will be set to {@code null} and userId to
		* {@link UserHandle#USER_NULL}.
		*/
		public static EnforcedAdmin checkIfKeyguardNotificationFeaturesDisabled(Context context,
		@@ -268,6 +271,76 @@ public class RestrictedLockUtils {
		return enforcedAdmin;
		}

		/**
		* Checks if any admin has set maximum time to lock.
		*
		* @return EnforcedAdmin Object containing the enforced admin component and admin user details,
		* or {@code null} if no admin has set this restriction. If multiple admins has set this, then
		* the admin component will be set to {@code null} and userId to {@link UserHandle#USER_NULL}
		*/
		public static EnforcedAdmin checkIfMaximumTimeToLockIsSet(Context context) {
		final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(
		Context.DEVICE_POLICY_SERVICE);
		LockPatternUtils lockPatternUtils = new LockPatternUtils(context);
		EnforcedAdmin enforcedAdmin = null;
		final int userId = UserHandle.myUserId();
		if (lockPatternUtils.isSeparateProfileChallengeEnabled(userId)) {
		// If the user has a separate challenge, only consider the admins in that user.
		final List<ComponentName> admins = dpm.getActiveAdminsAsUser(userId);
		if (admins == null) {
		return null;
		}
		for (ComponentName admin : admins) {
		if (dpm.getMaximumTimeToLock(admin, userId) > 0) {
		if (enforcedAdmin == null) {
		enforcedAdmin = new EnforcedAdmin(admin, userId);
		} else {
		return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
		}
		}
		}
		} else {
		// Return all admins for this user and the profiles that are visible from this
		// user that do not use a separate work challenge.
		final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
		for (UserInfo userInfo : um.getProfiles(userId)) {
		final List<ComponentName> admins = dpm.getActiveAdminsAsUser(userInfo.id);
		if (admins == null) {
		return null;
		}
		for (ComponentName admin : admins) {
		if (!lockPatternUtils.isSeparateProfileChallengeEnabled(userInfo.id)) {
		if (dpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
		if (enforcedAdmin == null) {
		enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
		} else {
		return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
		}
		// This same admins could have set policies both on the managed profile
		// and on the parent. So, if the admin has set the policy on the
		// managed profile here, we don't need to further check if that admin
		// has set policy on the parent admin.
		continue;
		}
		}
		if (userInfo.isManagedProfile()) {
		// If userInfo.id is a managed profile, we also need to look at
		// the policies set on the parent.
		DevicePolicyManager parentDpm = dpm.getParentProfileInstance(admin);
		if (parentDpm.getMaximumTimeToLock(admin, userInfo.id) > 0) {
		if (enforcedAdmin == null) {
		enforcedAdmin = new EnforcedAdmin(admin, userInfo.id);
		} else {
		return EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN;
		}
		}
		}
		}
		}
		}
		return enforcedAdmin;
		}

		public static EnforcedAdmin getProfileOrDeviceOwnerOnCallingUser(Context context) {
		final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(
		Context.DEVICE_POLICY_SERVICE);
		@@ -391,6 +464,9 @@ public class RestrictedLockUtils {
		public ComponentName component = null;
		public int userId = UserHandle.USER_NULL;

		// We use this to represent the case where a policy is enforced by multiple admins.
		public final static EnforcedAdmin MULTIPLE_ENFORCED_ADMIN = new EnforcedAdmin();

		public EnforcedAdmin(ComponentName component, int userId) {
		this.component = component;
		this.userId = userId;