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.content.Context;
20 import android.os.IBinder;
21 import android.view.inputmethod.InputMethodManager;
22 
23 import java.lang.reflect.Method;
24 
25 public final class InputMethodManagerCompatWrapper {
26     // Note that InputMethodManager.switchToNextInputMethod() has been introduced
27     // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
28     private static final Method METHOD_switchToNextInputMethod = CompatUtils.getMethod(
29             InputMethodManager.class, "switchToNextInputMethod", IBinder.class, boolean.class);
30 
31     // Note that InputMethodManager.shouldOfferSwitchingToNextInputMethod() has been introduced
32     // in API level 19 (Build.VERSION_CODES.KITKAT).
33     private static final Method METHOD_shouldOfferSwitchingToNextInputMethod =
34             CompatUtils.getMethod(InputMethodManager.class,
35                     "shouldOfferSwitchingToNextInputMethod", IBinder.class);
36 
37     public final InputMethodManager mImm;
38 
InputMethodManagerCompatWrapper(final Context context)39     public InputMethodManagerCompatWrapper(final Context context) {
40         mImm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
41     }
42 
switchToNextInputMethod(final IBinder token, final boolean onlyCurrentIme)43     public boolean switchToNextInputMethod(final IBinder token, final boolean onlyCurrentIme) {
44         return (Boolean)CompatUtils.invoke(mImm, false /* defaultValue */,
45                 METHOD_switchToNextInputMethod, token, onlyCurrentIme);
46     }
47 
shouldOfferSwitchingToNextInputMethod(final IBinder token)48     public boolean shouldOfferSwitchingToNextInputMethod(final IBinder token) {
49         return (Boolean)CompatUtils.invoke(mImm, false /* defaultValue */,
50                 METHOD_shouldOfferSwitchingToNextInputMethod, token);
51     }
52 }
53