chunk 2: remaining non-audio non-NewImport assets

Assets/GooglePlayPlugins/com.google.play.assetdelivery/Runtime/Scripts/PlayAssetPackBatchRequest.cs

@@ -0,0 +1,62 @@
+// Copyright 2020 Google LLC
+//
+// 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
+//
+//     https://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.
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Google.Play.AssetDelivery
+{
+    /// <summary>
+    /// A <a href="https://docs.unity3d.com/ScriptReference/CustomYieldInstruction.html">CustomYieldInstruction</a>
+    /// used to monitor the asynchronous retrieval of a batch of asset packs.
+    /// </summary>
+    public abstract class PlayAssetPackBatchRequest : CustomYieldInstruction
+    {
+        /// <summary>
+        /// A dictionary of asset pack requests, keyed by name, that are present in this batch.
+        /// </summary>
+        public IDictionary<string, PlayAssetPackRequest> Requests;
+
+        /// <summary>
+        /// Returns true if all requests in this batch are in either the <see cref="AssetDeliveryStatus.Available"/> or
+        /// <see cref="AssetDeliveryStatus.Failed"/> status, false otherwise.
+        /// </summary>
+        public bool IsDone { get; protected set; }
+
+        /// <summary>
+        /// Event indicating that all the requests in this batch are complete. If an event handler is registered after
+        /// the operation has completed, and thus after this event has been invoked, then the handler will be called
+        /// synchronously.
+        /// </summary>
+        public virtual event Action<PlayAssetPackBatchRequest> Completed = delegate { };
+
+        /// <summary>
+        /// Implements the <a href="https://docs.unity3d.com/ScriptReference/CustomYieldInstruction-keepWaiting.html">CustomYieldInstruction.keepWaiting</a>
+        /// property so that this request can be yielded on in a coroutine.
+        /// </summary>
+        public override bool keepWaiting
+        {
+            get { return !IsDone; }
+        }
+
+        /// <summary>
+        /// Invokes the <see cref="Completed"/> event.
+        /// </summary>
+        protected void InvokeCompletedEvent()
+        {
+            Completed.Invoke(this);
+        }
+    }
+}