1 /*
2  * Copyright (C) 2022 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.server.inputmethod;
18 
19 import static android.inputmethodservice.InputMethodService.FINISH_INPUT_NO_FALLBACK_CONNECTION;
20 import static android.view.inputmethod.InputMethodManager.CLEAR_SHOW_FORCED_FLAG_WHEN_LEAVING;
21 
22 import android.content.Context;
23 import android.os.RemoteException;
24 import android.os.ServiceManager;
25 
26 import com.android.internal.compat.IPlatformCompat;
27 
28 /**
29  * A utility class used by {@link InputMethodManagerService} to manage the platform
30  * compatibility changes on IMF (Input Method Framework) side.
31  */
32 final class ImePlatformCompatUtils {
33     private final IPlatformCompat mPlatformCompat = IPlatformCompat.Stub.asInterface(
34             ServiceManager.getService(Context.PLATFORM_COMPAT_SERVICE));
35 
36     /**
37      * Whether to finish the {@link android.view.inputmethod.InputConnection} when the device
38      * becomes {@link android.os.PowerManager#isInteractive non-interactive}.
39      *
40      * @param imeUid The uid of the IME application
41      */
shouldUseSetInteractiveProtocol(int imeUid)42     public boolean shouldUseSetInteractiveProtocol(int imeUid) {
43         return isChangeEnabledByUid(FINISH_INPUT_NO_FALLBACK_CONNECTION, imeUid);
44     }
45 
46     /**
47      *  Whether to clear {@link android.view.inputmethod.InputMethodManager#SHOW_FORCED} flag
48      *  when the next IME focused application changed.
49      *
50      * @param clientUid The uid of the app
51      */
shouldClearShowForcedFlag(int clientUid)52     public boolean shouldClearShowForcedFlag(int clientUid) {
53         return isChangeEnabledByUid(CLEAR_SHOW_FORCED_FLAG_WHEN_LEAVING, clientUid);
54     }
55 
isChangeEnabledByUid(long changeFlag, int uid)56     private boolean isChangeEnabledByUid(long changeFlag, int uid) {
57         boolean result = false;
58         try {
59             result = mPlatformCompat.isChangeEnabledByUid(changeFlag, uid);
60         } catch (RemoteException e) {
61         }
62         return result;
63     }
64 }
65