Hide notification content in history

- if the user is locked
- and the user has chosen to hide sensistive content when locked

Test: manual with a work profile with a different pin
Bug: 378088320
Flag: EXEMPT bug fix
(cherry picked from commit 9df37c3f8be2dedd2e44e52da4de45fba33c6a6e)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:360bf692d0165f1ee6cdcef4e116eec5da2a1a6f)
Merged-In: Ia70454d9859fb788ffa1f48f88760f88c354cdff
Change-Id: Ia70454d9859fb788ffa1f48f88760f88c354cdff

3 files changed, 58 insertions, 11 deletions

diff --git a/src/com/android/settings/notification/history/NotificationHistoryActivity.java b/src/com/android/settings/notification/history/NotificationHistoryActivity.java
index 1f83cc72896..8dc3722a12b 100644
--- a/src/com/android/settings/notification/history/NotificationHistoryActivity.java
+++ b/src/com/android/settings/notification/history/NotificationHistoryActivity.java
@@ -16,6 +16,7 @@
 
 package com.android.settings.notification.history;
 
+import static android.provider.Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS;
 import static android.provider.Settings.Secure.NOTIFICATION_HISTORY_ENABLED;
 
 import static androidx.core.view.accessibility.AccessibilityEventCompat.TYPE_VIEW_ACCESSIBILITY_FOCUSED;
@@ -25,9 +26,11 @@ import android.annotation.ColorInt;
 import android.app.ActionBar;
 import android.app.ActivityManager;
 import android.app.INotificationManager;
+import android.app.KeyguardManager;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Outline;
@@ -56,6 +59,7 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.android.internal.logging.UiEvent;
 import com.android.internal.logging.UiEventLogger;
 import com.android.internal.logging.UiEventLoggerImpl;
+import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.NotificationExpandButton;
 import com.android.settings.R;
 import com.android.settings.notification.NotificationBackend;
@@ -66,6 +70,7 @@ import com.android.settingslib.widget.OnMainSwitchChangeListener;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
@@ -110,6 +115,9 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
     };
     private UiEventLogger mUiEventLogger = new UiEventLoggerImpl();
 
+    // List of users that have the setting "hide sensitive content" enabled on the lockscreen
+    private ArrayList<Integer> mContentRestrictedUsers = new ArrayList<>();
+
     enum NotificationHistoryEvent implements UiEventLogger.UiEventEnum {
         @UiEvent(doc = "User turned on notification history")
         NOTIFICATION_HISTORY_ON(504),
@@ -208,7 +216,7 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
 
             final NotificationHistoryRecyclerView rv =
                     viewForPackage.findViewById(R.id.notification_list);
-            rv.setAdapter(new NotificationHistoryAdapter(mNm, rv,
+            rv.setAdapter(new NotificationHistoryAdapter(NotificationHistoryActivity.this, mNm, rv,
                     newCount -> {
                         count.setText(getResources().getQuantityString(
                                 R.plurals.notification_history_count,
@@ -216,7 +224,7 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
                         if (newCount == 0) {
                             viewForPackage.setVisibility(View.GONE);
                         }
-                    }, mUiEventLogger));
+                    }, mUiEventLogger, mContentRestrictedUsers));
             ((NotificationHistoryAdapter) rv.getAdapter()).onRebuildComplete(
                     new ArrayList<>(nhp.notifications));
 
@@ -258,6 +266,21 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
 
         mPm = getPackageManager();
         mUm = getSystemService(UserManager.class);
+
+        mContentRestrictedUsers.clear();
+        List<UserInfo> users = mUm.getProfiles(getUserId());
+        mContentRestrictedUsers.clear();
+        for (UserInfo user : users) {
+            if (Settings.Secure.getIntForUser(getContentResolver(),
+                    LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 0, user.id) == 0) {
+                LockPatternUtils lpu = new LockPatternUtils(this);
+                KeyguardManager km = getSystemService(KeyguardManager.class);
+                if (lpu.isSecure(user.id) && km.isDeviceLocked(user.id)) {
+                    mContentRestrictedUsers.add(user.id);
+                }
+            }
+        }
+
         // wait for history loading and recent/snooze loading
         mCountdownLatch = new CountDownLatch(2);
 
@@ -312,6 +335,7 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
         if (mCountdownFuture != null) {
             mCountdownFuture.cancel(true);
         }
+        mContentRestrictedUsers.clear();
         super.onDestroy();
     }
 
@@ -403,7 +427,7 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
             mSnoozedRv.setLayoutManager(lm);
             mSnoozedRv.setAdapter(
                     new NotificationSbnAdapter(NotificationHistoryActivity.this, mPm, mUm,
-                            true, mUiEventLogger));
+                            true, mUiEventLogger, mContentRestrictedUsers));
             mSnoozedRv.setNestedScrollingEnabled(false);
 
             if (snoozed == null || snoozed.length == 0) {
@@ -419,7 +443,7 @@ public class NotificationHistoryActivity extends CollapsingToolbarBaseActivity {
             mDismissedRv.setLayoutManager(dismissLm);
             mDismissedRv.setAdapter(
                     new NotificationSbnAdapter(NotificationHistoryActivity.this, mPm, mUm,
-                            false, mUiEventLogger));
+                            false, mUiEventLogger, mContentRestrictedUsers));
             mDismissedRv.setNestedScrollingEnabled(false);
 
             if (dismissed == null || dismissed.length == 0) {
diff --git a/src/com/android/settings/notification/history/NotificationHistoryAdapter.java b/src/com/android/settings/notification/history/NotificationHistoryAdapter.java
index 96bc14a6fb2..b1fd4c63c67 100644
--- a/src/com/android/settings/notification/history/NotificationHistoryAdapter.java
+++ b/src/com/android/settings/notification/history/NotificationHistoryAdapter.java
@@ -22,6 +22,7 @@ import static android.provider.Settings.EXTRA_CONVERSATION_ID;
 
 import android.app.INotificationManager;
 import android.app.NotificationHistory.HistoricalNotification;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.RemoteException;
@@ -52,16 +53,23 @@ public class NotificationHistoryAdapter extends
     private List<HistoricalNotification> mValues;
     private OnItemDeletedListener mListener;
     private UiEventLogger mUiEventLogger;
-    public NotificationHistoryAdapter(INotificationManager nm,
+    private ArrayList<Integer> mContentRestrictedUsers = new ArrayList<>();
+    Context mContext;
+
+    public NotificationHistoryAdapter(Context context,
+            INotificationManager nm,
             NotificationHistoryRecyclerView listView,
             OnItemDeletedListener listener,
-            UiEventLogger uiEventLogger) {
+            UiEventLogger uiEventLogger,
+            ArrayList<Integer> contentRestrictedUsers) {
+        mContext = context;
         mValues = new ArrayList<>();
         setHasStableIds(true);
         listView.setOnItemSwipeDeleteListener(this);
         mNm = nm;
         mListener = listener;
         mUiEventLogger = uiEventLogger;
+        mContentRestrictedUsers = contentRestrictedUsers;
     }
 
     @Override
@@ -80,8 +88,14 @@ public class NotificationHistoryAdapter extends
     public void onBindViewHolder(final @NonNull NotificationHistoryViewHolder holder,
             int position) {
         final HistoricalNotification hn = mValues.get(position);
-        holder.setTitle(hn.getTitle());
-        holder.setSummary(hn.getText());
+        // Redact sensitive notification content if needed
+        if (mContentRestrictedUsers.contains(hn.getUserId())) {
+            holder.setSummary(mContext.getString(
+                    com.android.internal.R.string.notification_hidden_text));
+        } else {
+            holder.setTitle(hn.getTitle());
+            holder.setSummary(hn.getText());
+        }
         holder.setPostedTime(hn.getPostedTimeMs());
         final View.OnClickListener onClick = v -> {
             mUiEventLogger.logWithPosition(NotificationHistoryActivity.NotificationHistoryEvent
diff --git a/src/com/android/settings/notification/history/NotificationSbnAdapter.java b/src/com/android/settings/notification/history/NotificationSbnAdapter.java
index 1d61ae79cd0..9bb9a563ec4 100644
--- a/src/com/android/settings/notification/history/NotificationSbnAdapter.java
+++ b/src/com/android/settings/notification/history/NotificationSbnAdapter.java
@@ -74,9 +74,11 @@ public class NotificationSbnAdapter extends
     private List<Integer> mEnabledProfiles = new ArrayList<>();
     private boolean mIsSnoozed;
     private UiEventLogger mUiEventLogger;
+    private ArrayList<Integer> mContentRestrictedUsers = new ArrayList<>();
 
     public NotificationSbnAdapter(Context context, PackageManager pm, UserManager um,
-            boolean isSnoozed, UiEventLogger uiEventLogger) {
+            boolean isSnoozed, UiEventLogger uiEventLogger,
+            ArrayList<Integer> contentRestrictedUsers) {
         mContext = context;
         mPm = pm;
         mUserBadgeCache = new HashMap<>();
@@ -97,6 +99,7 @@ public class NotificationSbnAdapter extends
         // If true, this is the panel for snoozed notifs, otherwise the one for dismissed notifs.
         mIsSnoozed = isSnoozed;
         mUiEventLogger = uiEventLogger;
+        mContentRestrictedUsers = contentRestrictedUsers;
     }
 
     @Override
@@ -114,8 +117,14 @@ public class NotificationSbnAdapter extends
             holder.setIconBackground(loadBackground(sbn));
             holder.setIcon(loadIcon(sbn));
             holder.setPackageLabel(loadPackageLabel(sbn.getPackageName()).toString());
-            holder.setTitle(getTitleString(sbn.getNotification()));
-            holder.setSummary(getTextString(mContext, sbn.getNotification()));
+            // If the notification is from a content restricted user, show generic text.
+            if (mContentRestrictedUsers.contains(sbn.getNormalizedUserId())) {
+                holder.setSummary(mContext.getString(
+                        com.android.internal.R.string.notification_hidden_text));
+            } else {
+                holder.setTitle(getTitleString(sbn.getNotification()));
+                holder.setSummary(getTextString(mContext, sbn.getNotification()));
+            }
             holder.setPostedTime(sbn.getPostTime());
             holder.setDividerVisible(position < (mValues.size() -1));
             int userId = normalizeUserId(sbn);