1 /* 2 * Copyright 2017 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 androidx.appcompat.widget; 18 19 import android.view.View; 20 import android.view.ViewParent; 21 import android.view.inputmethod.EditorInfo; 22 import android.view.inputmethod.InputConnection; 23 24 class AppCompatHintHelper { 25 26 static InputConnection onCreateInputConnection(InputConnection ic, EditorInfo outAttrs, 27 View view) { 28 if (ic != null && outAttrs.hintText == null) { 29 // If we don't have a hint and the parent implements WithHint, use its hint for the 30 // EditorInfo. This allows us to display a hint in 'extract mode'. 31 ViewParent parent = view.getParent(); 32 while (parent instanceof View) { 33 if (parent instanceof WithHint) { 34 outAttrs.hintText = ((WithHint) parent).getHint(); 35 break; 36 } 37 parent = parent.getParent(); 38 } 39 } 40 return ic; 41 } 42 43 private AppCompatHintHelper() { 44 } 45 } 46
