1 /*
2  * Copyright (C) 2011 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.inputmethod.compat;
18 
19 import android.view.textservice.SuggestionsInfo;
20 
21 import java.lang.reflect.Field;
22 
23 public final class SuggestionsInfoCompatUtils {
24     // Note that SuggestionsInfo.RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS has been introduced
25     // in API level 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1).
26     private static final Field FIELD_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
27             CompatUtils.getField(SuggestionsInfo.class, "RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS");
28     private static final Integer OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
29             (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
30                     FIELD_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS);
31     private static final int RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS =
32             OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS != null
33                     ? OBJ_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS : 0;
34 
SuggestionsInfoCompatUtils()35     private SuggestionsInfoCompatUtils() {
36         // This utility class is not publicly instantiable.
37     }
38 
39     /**
40      * Returns the flag value of the attributes of the suggestions that can be obtained by
41      * {@link SuggestionsInfo#getSuggestionsAttributes()}: this tells that the text service thinks
42      * the result suggestions include highly recommended ones.
43      */
getValueOf_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS()44     public static int getValueOf_RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS() {
45         return RESULT_ATTR_HAS_RECOMMENDED_SUGGESTIONS;
46     }
47 }
48