1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dialer.app; 18 19 import android.content.Context; 20 import com.android.dialer.app.legacybindings.DialerLegacyBindings; 21 import com.android.dialer.app.legacybindings.DialerLegacyBindingsFactory; 22 import com.android.dialer.app.legacybindings.DialerLegacyBindingsStub; 23 import java.util.Objects; 24 25 /** Accessor for the in call UI bindings. */ 26 public class Bindings { 27 28 private static DialerLegacyBindings legacyInstance; 29 30 private Bindings() {} 31 32 public static DialerLegacyBindings getLegacy(Context context) { 33 Objects.requireNonNull(context); 34 if (legacyInstance != null) { 35 return legacyInstance; 36 } 37 38 Context application = context.getApplicationContext(); 39 if (application instanceof DialerLegacyBindingsFactory) { 40 legacyInstance = ((DialerLegacyBindingsFactory) application).newDialerLegacyBindings(); 41 } 42 43 if (legacyInstance == null) { 44 legacyInstance = new DialerLegacyBindingsStub(); 45 } 46 return legacyInstance; 47 } 48 49 } 50
