1 /*
2  * Copyright (C) 2012 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.keyboard.internal;
18 
19 import android.content.res.TypedArray;
20 
21 import javax.annotation.Nonnull;
22 import javax.annotation.Nullable;
23 
24 public abstract class KeyStyle {
25     private final KeyboardTextsSet mTextsSet;
26 
getStringArray(TypedArray a, int index)27     public abstract @Nullable String[] getStringArray(TypedArray a, int index);
getString(TypedArray a, int index)28     public abstract @Nullable String getString(TypedArray a, int index);
getInt(TypedArray a, int index, int defaultValue)29     public abstract int getInt(TypedArray a, int index, int defaultValue);
getFlags(TypedArray a, int index)30     public abstract int getFlags(TypedArray a, int index);
31 
KeyStyle(@onnull final KeyboardTextsSet textsSet)32     protected KeyStyle(@Nonnull final KeyboardTextsSet textsSet) {
33         mTextsSet = textsSet;
34     }
35 
36     @Nullable
parseString(final TypedArray a, final int index)37     protected String parseString(final TypedArray a, final int index) {
38         if (a.hasValue(index)) {
39             return mTextsSet.resolveTextReference(a.getString(index));
40         }
41         return null;
42     }
43 
44     @Nullable
parseStringArray(final TypedArray a, final int index)45     protected String[] parseStringArray(final TypedArray a, final int index) {
46         if (a.hasValue(index)) {
47             final String text = mTextsSet.resolveTextReference(a.getString(index));
48             return MoreKeySpec.splitKeySpecs(text);
49         }
50         return null;
51     }
52 }
53