| /* |
| * Copyright (C) 2016 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 android.support.transition; |
| |
| import android.annotation.TargetApi; |
| import android.os.IBinder; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.RequiresApi; |
| import android.view.View; |
| |
| |
| /** |
| * Backport of WindowId. |
| * |
| * <p>Since the use of WindowId in Transition API is limited to identifying windows, we can just |
| * wrap a window token and use it as an identifier.</p> |
| */ |
| @RequiresApi(14) |
| @TargetApi(14) |
| class WindowIdPort { |
| |
| private final IBinder mToken; |
| |
| private WindowIdPort(IBinder token) { |
| mToken = token; |
| } |
| |
| static WindowIdPort getWindowId(@NonNull View view) { |
| return new WindowIdPort(view.getWindowToken()); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return obj instanceof WindowIdPort && ((WindowIdPort) obj).mToken.equals(this.mToken); |
| } |
| |
| } |