Add screen for notification history

Bug: 137396965
Test: manual

(cherry picked from commit 84b593d592a74aeddfce453bc8700180192199ed)

Change-Id: Icac4000bd7323583f8a5f462ccb40826a4151765

src/com/android/settings/notification/history/NotificationSbnAdapter.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2020 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.notification.history;
+
+import static android.content.pm.PackageManager.*;
+
+import android.app.Notification;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
+import android.service.notification.StatusBarNotification;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class NotificationSbnAdapter extends
+        RecyclerView.Adapter<NotificationSbnViewHolder> {
+
+    private static final String TAG = "SbnAdapter";
+    private List<StatusBarNotification> mValues;
+    private Map<Integer, Drawable> mUserBadgeCache;
+    private final Context mContext;
+    private PackageManager mPm;
+
+    public NotificationSbnAdapter(Context context, PackageManager pm) {
+        mContext = context;
+        mPm = pm;
+        mUserBadgeCache = new HashMap<>();
+        mValues = new ArrayList<>();
+        setHasStableIds(true);
+    }
+
+    @Override
+    public NotificationSbnViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.notification_sbn_log_row, parent, false);
+        return new NotificationSbnViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(final @NonNull NotificationSbnViewHolder holder,
+            int position) {
+        final StatusBarNotification sbn = mValues.get(position);
+        holder.setIcon(loadIcon(sbn));
+        holder.setPackageName(loadPackageName(sbn.getPackageName()).toString());
+        holder.setTitle(getTitleString(sbn.getNotification()));
+        holder.setSummary(getTextString(mContext, sbn.getNotification()));
+        holder.setPostedTime(sbn.getPostTime());
+        if (!mUserBadgeCache.containsKey(sbn.getUserId())) {
+            Drawable profile = mContext.getPackageManager().getUserBadgeForDensity(
+                    UserHandle.of(sbn.getUserId()), -1);
+            mUserBadgeCache.put(sbn.getUserId(), profile);
+        }
+        holder.setProfileBadge(mUserBadgeCache.get(sbn.getUserId()));
+    }
+
+    @Override
+    public int getItemCount() {
+        return mValues.size();
+    }
+
+    public void onRebuildComplete(List<StatusBarNotification> notifications) {
+        mValues = notifications;
+        notifyDataSetChanged();
+    }
+
+    private @NonNull CharSequence loadPackageName(String pkg) {
+        try {
+            ApplicationInfo info = mPm.getApplicationInfo(pkg,
+                    MATCH_ANY_USER);
+            if (info != null) return mPm.getApplicationLabel(info);
+        } catch (NameNotFoundException e) {
+            Log.e(TAG, "Cannot load package name", e);
+        }
+        return pkg;
+    }
+
+    private static String getTitleString(Notification n) {
+        CharSequence title = null;
+        if (n.extras != null) {
+            title = n.extras.getCharSequence(Notification.EXTRA_TITLE);
+        }
+        return title == null? null : String.valueOf(title);
+    }
+
+    /**
+     * Returns the appropriate substring for this notification based on the style of notification.
+     */
+    private static String getTextString(Context appContext, Notification n) {
+        CharSequence text = null;
+        if (n.extras != null) {
+            text = n.extras.getCharSequence(Notification.EXTRA_TEXT);
+
+            Notification.Builder nb = Notification.Builder.recoverBuilder(appContext, n);
+
+            if (nb.getStyle() instanceof Notification.BigTextStyle) {
+                text = ((Notification.BigTextStyle) nb.getStyle()).getBigText();
+            } else if (nb.getStyle() instanceof Notification.MessagingStyle) {
+                Notification.MessagingStyle ms = (Notification.MessagingStyle) nb.getStyle();
+                final List<Notification.MessagingStyle.Message> messages = ms.getMessages();
+                if (messages != null && messages.size() > 0) {
+                    text = messages.get(messages.size() - 1).getText();
+                }
+            }
+
+            if (TextUtils.isEmpty(text)) {
+                text = n.extras.getCharSequence(Notification.EXTRA_TEXT);
+            }
+        }
+        return text == null ? null : String.valueOf(text);
+    }
+
+    private Drawable loadIcon(StatusBarNotification sbn) {
+        Drawable draw = sbn.getNotification().getSmallIcon().loadDrawableAsUser(
+                sbn.getPackageContext(mContext), sbn.getUserId());
+        if (draw == null) {
+            return null;
+        }
+        draw.mutate();
+        draw.setColorFilter(sbn.getNotification().color, PorterDuff.Mode.SRC_ATOP);
+        return draw;
+    }
+}