1 files changed, 134 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/NotificationUtil.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/NotificationUtil.java
new file mode 100644
index 0000000000..df68c8fe59
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/util/NotificationUtil.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2018 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 org.mozilla.thirdparty.com.google.android.exoplayer2.util;
+
+import android.annotation.SuppressLint;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.Intent;
+import androidx.annotation.IntDef;
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/** Utility methods for displaying {@link Notification Notifications}. */
+@SuppressLint("InlinedApi")
+public final class NotificationUtil {
+
+  /**
+   * Notification channel importance levels. One of {@link #IMPORTANCE_UNSPECIFIED}, {@link
+   * #IMPORTANCE_NONE}, {@link #IMPORTANCE_MIN}, {@link #IMPORTANCE_LOW}, {@link
+   * #IMPORTANCE_DEFAULT} or {@link #IMPORTANCE_HIGH}.
+   */
+  @Documented
+  @Retention(RetentionPolicy.SOURCE)
+  @IntDef({
+    IMPORTANCE_UNSPECIFIED,
+    IMPORTANCE_NONE,
+    IMPORTANCE_MIN,
+    IMPORTANCE_LOW,
+    IMPORTANCE_DEFAULT,
+    IMPORTANCE_HIGH
+  })
+  public @interface Importance {}
+  /** @see NotificationManager#IMPORTANCE_UNSPECIFIED */
+  public static final int IMPORTANCE_UNSPECIFIED = NotificationManager.IMPORTANCE_UNSPECIFIED;
+  /** @see NotificationManager#IMPORTANCE_NONE */
+  public static final int IMPORTANCE_NONE = NotificationManager.IMPORTANCE_NONE;
+  /** @see NotificationManager#IMPORTANCE_MIN */
+  public static final int IMPORTANCE_MIN = NotificationManager.IMPORTANCE_MIN;
+  /** @see NotificationManager#IMPORTANCE_LOW */
+  public static final int IMPORTANCE_LOW = NotificationManager.IMPORTANCE_LOW;
+  /** @see NotificationManager#IMPORTANCE_DEFAULT */
+  public static final int IMPORTANCE_DEFAULT = NotificationManager.IMPORTANCE_DEFAULT;
+  /** @see NotificationManager#IMPORTANCE_HIGH */
+  public static final int IMPORTANCE_HIGH = NotificationManager.IMPORTANCE_HIGH;
+
+  /** @deprecated Use {@link #createNotificationChannel(Context, String, int, int, int)}. */
+  @Deprecated
+  public static void createNotificationChannel(
+      Context context, String id, @StringRes int nameResourceId, @Importance int importance) {
+    createNotificationChannel(
+        context, id, nameResourceId, /* descriptionResourceId= */ 0, importance);
+  }
+
+  /**
+   * Creates a notification channel that notifications can be posted to. See {@link
+   * NotificationChannel} and {@link
+   * NotificationManager#createNotificationChannel(NotificationChannel)} for details.
+   *
+   * @param context A {@link Context}.
+   * @param id The id of the channel. Must be unique per package. The value may be truncated if it's
+   *     too long.
+   * @param nameResourceId A string resource identifier for the user visible name of the channel.
+   *     The recommended maximum length is 40 characters. The string may be truncated if it's too
+   *     long. You can rename the channel when the system locale changes by listening for the {@link
+   *     Intent#ACTION_LOCALE_CHANGED} broadcast.
+   * @param descriptionResourceId A string resource identifier for the user visible description of
+   *     the channel, or 0 if no description is provided. The recommended maximum length is 300
+   *     characters. The value may be truncated if it is too long. You can change the description of
+   *     the channel when the system locale changes by listening for the {@link
+   *     Intent#ACTION_LOCALE_CHANGED} broadcast.
+   * @param importance The importance of the channel. This controls how interruptive notifications
+   *     posted to this channel are. One of {@link #IMPORTANCE_UNSPECIFIED}, {@link
+   *     #IMPORTANCE_NONE}, {@link #IMPORTANCE_MIN}, {@link #IMPORTANCE_LOW}, {@link
+   *     #IMPORTANCE_DEFAULT} and {@link #IMPORTANCE_HIGH}.
+   */
+  public static void createNotificationChannel(
+      Context context,
+      String id,
+      @StringRes int nameResourceId,
+      @StringRes int descriptionResourceId,
+      @Importance int importance) {
+    if (Util.SDK_INT >= 26) {
+      NotificationManager notificationManager =
+          (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
+      NotificationChannel channel =
+          new NotificationChannel(id, context.getString(nameResourceId), importance);
+      if (descriptionResourceId != 0) {
+        channel.setDescription(context.getString(descriptionResourceId));
+      }
+      notificationManager.createNotificationChannel(channel);
+    }
+  }
+
+  /**
+   * Post a notification to be shown in the status bar. If a notification with the same id has
+   * already been posted by your application and has not yet been canceled, it will be replaced by
+   * the updated information. If {@code notification} is {@code null} then any notification
+   * previously shown with the specified id will be cancelled.
+   *
+   * @param context A {@link Context}.
+   * @param id The notification id.
+   * @param notification The {@link Notification} to post, or {@code null} to cancel a previously
+   *     shown notification.
+   */
+  public static void setNotification(Context context, int id, @Nullable Notification notification) {
+    NotificationManager notificationManager =
+        (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
+    if (notification != null) {
+      notificationManager.notify(id, notification);
+    } else {
+      notificationManager.cancel(id);
+    }
+  }
+
+  private NotificationUtil() {}
+}