1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/* 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Copyright (C) 2015 The Android Open Source Project 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Licensed under the Apache License, Version 2.0 (the "License"); 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * you may not use this file except in compliance with the License. 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * You may obtain a copy of the License at 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * http://www.apache.org/licenses/LICENSE-2.0 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Unless required by applicable law or agreed to in writing, software 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * distributed under the License is distributed on an "AS IS" BASIS, 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * See the License for the specific language governing permissions and 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * limitations under the License. 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpackage com.android.messaging.util; 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.Context; 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.support.annotation.NonNull; 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.view.View; 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.view.inputmethod.InputMethodManager; 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.google.common.annotations.VisibleForTesting; 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpublic class ImeUtil { 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public interface ImeStateObserver { 27d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd void onImeStateChanged(boolean imeOpen); 28d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public interface ImeStateHost { 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd void onDisplayHeightChanged(int heightMeasureSpec); 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd void registerImeStateObserver(ImeUtil.ImeStateObserver observer); 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd void unregisterImeStateObserver(ImeUtil.ImeStateObserver observer); 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd boolean isImeOpen(); 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private static volatile ImeUtil sInstance; 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Used to clear the static cached instance of ImeUtil during testing. This is necessary 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // because a previous test may have installed a mocked instance (or vice versa). 41d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public static void clearInstance() { 42d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd sInstance = null; 43d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 44d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public static ImeUtil get() { 45d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (sInstance == null) { 46d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd synchronized (ImeUtil.class) { 47d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (sInstance == null) { 48d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd sInstance = new ImeUtil(); 49d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 50d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 51d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 52d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return sInstance; 53d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 54d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 55d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @VisibleForTesting 56d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public static void set(final ImeUtil imeUtil) { 57d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd sInstance = imeUtil; 58d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 59d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 60d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void hideImeKeyboard(@NonNull final Context context, @NonNull final View v) { 61d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.notNull(context); 62d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.notNull(v); 63d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 64d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final InputMethodManager inputMethodManager = 65d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE); 66d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (inputMethodManager != null) { 67d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), 0 /* flags */); 68d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 69d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 70d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 71d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void showImeKeyboard(@NonNull final Context context, @NonNull final View v) { 72d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.notNull(context); 73d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Assert.notNull(v); 74d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 75d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final InputMethodManager inputMethodManager = 76d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE); 77d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (inputMethodManager != null) { 78d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd v.requestFocus(); 79d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd inputMethodManager.showSoftInput(v, 0 /* flags */); 80d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 81d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 82d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 83d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public static void hideSoftInput(@NonNull final Context context, @NonNull final View v) { 84d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final InputMethodManager inputMethodManager = 85d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE); 86d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), 0); 87d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 88d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd} 89