chunk 2: remaining non-audio non-NewImport assets

Assets/GooglePlayPlugins/com.google.android.appbundle/Editor/Scripts/DeviceTier.cs

@@ -0,0 +1,106 @@
+// 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;
+
+namespace Google.Android.AppBundle.Editor
+{
+    /// <summary>
+    /// The device tier labels that can be recognized in an asset pack folder name.
+    /// </summary>
+    public class DeviceTier
+    {
+        /// <summary>
+        /// Factory method.
+        /// </summary>
+        /// <param name="tier">The tier level.</param>>
+        /// <exception cref="ArgumentException">Thrown if the level is a negative int.</exception>
+        public static DeviceTier From(int tier)
+        {
+            return new DeviceTier(tier);
+        }
+
+        /// <summary>
+        /// Returns the tier level.
+        ///
+        /// Device tier levels determines the priority of what variation of app content gets
+        /// served to a specific device, for device-targeted content.
+        /// Tiers are evaluated from the highest to the lowest level; the highest
+        /// tier matching a given device is selected for that device.
+        /// </summary>
+        public int Tier { get; private set; }
+
+        /// <summary>
+        /// Implicit conversion from DeviceTier to int.
+        /// </summary>
+        public static implicit operator int(DeviceTier deviceTier)
+        {
+            return deviceTier.Tier;
+        }
+
+        /// <summary>
+        /// Implicit conversion from int to DeviceTier.
+        /// </summary>
+        public static implicit operator DeviceTier(int tier)
+        {
+            return new DeviceTier(tier);
+        }
+
+        /// <summary>
+        /// ToString conversion.
+        /// </summary>
+        public override string ToString()
+        {
+            return Convert.ToString(Tier);
+        }
+
+        /// <summary>
+        /// Equal comparision override for DeviceTier objects.
+        /// </summary>
+        public override bool Equals(object other)
+        {
+            var otherTier = other as DeviceTier;
+            if (otherTier != null)
+            {
+                return Tier == otherTier.Tier;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Creates hash code for DeviceTier object from underlying tier value.
+        /// </summary>
+        public override int GetHashCode()
+        {
+            return Tier.GetHashCode();
+        }
+
+        /// <summary>
+        /// Constructor.
+        /// </summary>
+        /// <param name="tier">The tier level.</param>>
+        /// <exception cref="ArgumentException">Thrown if the level is a negative int.</exception>
+        private DeviceTier(int tier)
+        {
+            if (tier < 0)
+            {
+                throw new ArgumentException(
+                    String.Format("Tier levels are required to be non-negative integers, but found {0}.", tier));
+            }
+
+            Tier = tier;
+        }
+    }
+}