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authorSudheer Shanka <sudheersai@google.com>2016-01-12 17:22:06 +0000
committerSudheer Shanka <sudheersai@google.com>2016-01-12 18:14:24 +0000
commit7ff866d286cf4df0948feeffa6e67848740e64eb (patch)
tree36d1bd08291685255f9704d04d067ae5748d40b5 /packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
parent0ec431247587cfd98b1f8963fdc3c1c469ae3114 (diff)
Move restricted padlock support to SettingsLib
Change-Id: Ib0b1c58d1f45e017b6b17ce0a55ca839b900cba4
Diffstat (limited to 'packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java')
-rw-r--r--packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java229
1 files changed, 229 insertions, 0 deletions
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
new file mode 100644
index 000000000000..f6caaa9642c4
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2016 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.settingslib;
+
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.provider.Settings;
+import android.text.Spanned;
+import android.text.SpannableStringBuilder;
+import android.text.style.ForegroundColorSpan;
+import android.text.style.ImageSpan;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import java.util.List;
+
+/**
+ * Utility class to host methods usable in adding a restricted padlock icon and showing admin
+ * support message dialog.
+ */
+public class RestrictedLockUtils {
+ /**
+ * @return drawables for displaying with settings that are locked by a device admin.
+ */
+ public static Drawable getRestrictedPadlock(Context context) {
+ Drawable restrictedPadlock = context.getDrawable(R.drawable.ic_settings_lock_outline);
+ final int iconSize = context.getResources().getDimensionPixelSize(
+ R.dimen.restricted_lock_icon_size);
+ restrictedPadlock.setBounds(0, 0, iconSize, iconSize);
+ return restrictedPadlock;
+ }
+
+ /**
+ * Checks if a restriction is enforced on a user and returns the enforced admin and
+ * admin userId.
+ *
+ * @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
+ * {@link UserHandle#USER_NULL}.
+ */
+ public static EnforcedAdmin checkIfRestrictionEnforced(Context context,
+ String userRestriction, int userId) {
+ DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(
+ Context.DEVICE_POLICY_SERVICE);
+ ComponentName deviceOwner = dpm.getDeviceOwnerComponentOnAnyUser();
+ int deviceOwnerUserId = dpm.getDeviceOwnerUserId();
+ boolean enforcedByDeviceOwner = false;
+ if (deviceOwner != null && deviceOwnerUserId != UserHandle.USER_NULL) {
+ Bundle enforcedRestrictions = dpm.getUserRestrictions(deviceOwner, deviceOwnerUserId);
+ if (enforcedRestrictions != null
+ && enforcedRestrictions.getBoolean(userRestriction, false)) {
+ enforcedByDeviceOwner = true;
+ }
+ }
+
+ ComponentName profileOwner = null;
+ boolean enforcedByProfileOwner = false;
+ if (userId != UserHandle.USER_NULL) {
+ profileOwner = dpm.getProfileOwnerAsUser(userId);
+ if (profileOwner != null) {
+ Bundle enforcedRestrictions = dpm.getUserRestrictions(profileOwner, userId);
+ if (enforcedRestrictions != null
+ && enforcedRestrictions.getBoolean(userRestriction, false)) {
+ enforcedByProfileOwner = true;
+ }
+ }
+ }
+
+ if (!enforcedByDeviceOwner && !enforcedByProfileOwner) {
+ return null;
+ }
+
+ EnforcedAdmin admin = null;
+ if (enforcedByDeviceOwner && enforcedByProfileOwner) {
+ admin = new EnforcedAdmin();
+ } else if (enforcedByDeviceOwner) {
+ admin = new EnforcedAdmin(deviceOwner, deviceOwnerUserId);
+ } else {
+ admin = new EnforcedAdmin(profileOwner, userId);
+ }
+ return admin;
+ }
+
+ /**
+ * Checks if lock screen notification features are disabled by policy. This should be
+ * only used for keyguard notification features but not the keyguard features
+ * (e.g. KEYGUARD_DISABLE_FINGERPRINT) where a profile owner can set them on the parent user
+ * as it won't work for that case.
+ *
+ * @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
+ * {@link UserHandle#USER_NULL}.
+ */
+ public static EnforcedAdmin checkIfKeyguardNotificationFeaturesDisabled(Context context,
+ int keyguardNotificationFeatures) {
+ final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(
+ Context.DEVICE_POLICY_SERVICE);
+ boolean isDisabledByMultipleAdmins = false;
+ ComponentName adminComponent = null;
+ List<ComponentName> admins = dpm.getActiveAdmins();
+ int disabledKeyguardFeatures;
+ for (ComponentName admin : admins) {
+ disabledKeyguardFeatures = dpm.getKeyguardDisabledFeatures(admin);
+ if ((disabledKeyguardFeatures & keyguardNotificationFeatures) != 0) {
+ if (adminComponent == null) {
+ adminComponent = admin;
+ } else {
+ isDisabledByMultipleAdmins = true;
+ break;
+ }
+ }
+ }
+ EnforcedAdmin enforcedAdmin = null;
+ if (adminComponent != null) {
+ if (!isDisabledByMultipleAdmins) {
+ enforcedAdmin = new EnforcedAdmin(adminComponent, UserHandle.myUserId());
+ } else {
+ enforcedAdmin = new EnforcedAdmin();
+ }
+ }
+ return enforcedAdmin;
+ }
+
+ /**
+ * Set the menu item as disabled by admin by adding a restricted padlock at the end of the
+ * text and set the click listener which will send an intent to show the admin support details
+ * dialog.
+ */
+ public static void setMenuItemAsDisabledByAdmin(final Context context,
+ final MenuItem item, final EnforcedAdmin admin) {
+ SpannableStringBuilder sb = new SpannableStringBuilder(item.getTitle());
+ removeExistingRestrictedSpans(sb);
+
+ final int disabledColor = context.getColor(R.color.disabled_text_color);
+ sb.setSpan(new ForegroundColorSpan(disabledColor), 0, sb.length(),
+ Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+ ImageSpan image = new RestrictedLockImageSpan(context);
+ sb.append(" ", image, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+ item.setTitle(sb);
+
+ item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
+ @Override
+ public boolean onMenuItemClick(MenuItem item) {
+ sendShowAdminSupportDetailsIntent(context, admin);
+ return true;
+ }
+ });
+ }
+
+ private static void removeExistingRestrictedSpans(SpannableStringBuilder sb) {
+ final int length = sb.length();
+ RestrictedLockImageSpan[] imageSpans = sb.getSpans(length - 1, length,
+ RestrictedLockImageSpan.class);
+ for (ImageSpan span : imageSpans) {
+ sb.removeSpan(span);
+ }
+ ForegroundColorSpan[] colorSpans = sb.getSpans(0, length, ForegroundColorSpan.class);
+ for (ForegroundColorSpan span : colorSpans) {
+ sb.removeSpan(span);
+ }
+ }
+
+ /**
+ * Send the intent to trigger the {@link android.settings.ShowAdminSupportDetailsDialog}.
+ */
+ public static void sendShowAdminSupportDetailsIntent(Context context, EnforcedAdmin admin) {
+ Intent intent = new Intent(Settings.ACTION_SHOW_ADMIN_SUPPORT_DETAILS);
+ int adminUserId = UserHandle.myUserId();
+ if (admin != null) {
+ if (admin.component != null) {
+ intent.putExtra(DevicePolicyManager.EXTRA_DEVICE_ADMIN, admin.component);
+ }
+ if (admin.userId != UserHandle.USER_NULL) {
+ adminUserId = admin.userId;
+ }
+ intent.putExtra(Intent.EXTRA_USER_ID, adminUserId);
+ }
+ context.startActivityAsUser(intent, new UserHandle(adminUserId));
+ }
+
+ public static void setTextViewPadlock(Context context,
+ TextView textView, boolean showPadlock) {
+ final SpannableStringBuilder sb = new SpannableStringBuilder(textView.getText());
+ removeExistingRestrictedSpans(sb);
+ if (showPadlock) {
+ final ImageSpan image = new RestrictedLockImageSpan(context);
+ sb.append(" ", image, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+ }
+ textView.setText(sb);
+ }
+
+ public static class EnforcedAdmin {
+ public ComponentName component = null;
+ public int userId = UserHandle.USER_NULL;
+
+ public EnforcedAdmin(ComponentName component, int userId) {
+ this.component = component;
+ this.userId = userId;
+ }
+
+ public EnforcedAdmin() {}
+ }
+} \ No newline at end of file