1 /* 2 * Copyright (C) 2023 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 android.view.contentprotection; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.view.contentcapture.ContentCaptureEvent; 22 import android.view.contentcapture.ViewNode; 23 24 /** 25 * Utilities for reading data from {@link ContentCaptureEvent} and {@link ViewNode}. 26 * 27 * @hide 28 */ 29 public final class ContentProtectionUtils { 30 31 /** Returns the lowercase text extracted from the {@link ContentCaptureEvent}, if set. */ 32 @Nullable getEventTextLower(@onNull ContentCaptureEvent event)33 public static String getEventTextLower(@NonNull ContentCaptureEvent event) { 34 CharSequence text = event.getText(); 35 if (text == null) { 36 return null; 37 } 38 return text.toString().toLowerCase(); 39 } 40 41 /** Returns the lowercase text extracted from the {@link ViewNode}, if set. */ 42 @Nullable getViewNodeTextLower(@ullable ViewNode viewNode)43 public static String getViewNodeTextLower(@Nullable ViewNode viewNode) { 44 if (viewNode == null) { 45 return null; 46 } 47 CharSequence text = viewNode.getText(); 48 if (text == null) { 49 return null; 50 } 51 return text.toString().toLowerCase(); 52 } 53 54 /** Returns the lowercase hint text extracted from the {@link ViewNode}, if set. */ 55 @Nullable getHintTextLower(@ullable ViewNode viewNode)56 public static String getHintTextLower(@Nullable ViewNode viewNode) { 57 if (viewNode == null) { 58 return null; 59 } 60 String text = viewNode.getHint(); 61 if (text == null) { 62 return null; 63 } 64 return text.toLowerCase(); 65 } 66 } 67