Raff Tsai | 74942ce | 2019-06-12 16:46:40 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.settings.inputmethod; |
| 18 | |
| 19 | import android.app.admin.DevicePolicyManager; |
| 20 | import android.content.Context; |
| 21 | import android.graphics.drawable.Drawable; |
| 22 | import android.view.inputmethod.InputMethodInfo; |
| 23 | import android.view.inputmethod.InputMethodManager; |
| 24 | |
| 25 | import androidx.preference.Preference; |
| 26 | import androidx.preference.PreferenceScreen; |
| 27 | |
| 28 | import com.android.settings.core.BasePreferenceController; |
| 29 | import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| 30 | import com.android.settingslib.core.lifecycle.events.OnStart; |
| 31 | import com.android.settingslib.inputmethod.InputMethodPreference; |
| 32 | |
Edgar Wang | 0934bab | 2020-02-06 11:40:42 +0800 | [diff] [blame] | 33 | import com.google.common.annotations.VisibleForTesting; |
| 34 | |
Raff Tsai | 74942ce | 2019-06-12 16:46:40 +0800 | [diff] [blame] | 35 | import java.text.Collator; |
| 36 | import java.util.ArrayList; |
| 37 | import java.util.List; |
Raff Tsai | 74942ce | 2019-06-12 16:46:40 +0800 | [diff] [blame] | 38 | |
| 39 | public class InputMethodPreferenceController extends BasePreferenceController implements |
| 40 | LifecycleObserver, OnStart { |
| 41 | |
| 42 | @VisibleForTesting |
| 43 | PreferenceScreen mScreen; |
| 44 | private Preference mPreference; |
| 45 | private InputMethodManager mImm; |
| 46 | private DevicePolicyManager mDpm; |
| 47 | |
| 48 | public InputMethodPreferenceController(Context context, String key) { |
| 49 | super(context, key); |
| 50 | mImm = context.getSystemService(InputMethodManager.class); |
| 51 | mDpm = context.getSystemService(DevicePolicyManager.class); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public int getAvailabilityStatus() { |
Edgar Wang | 0934bab | 2020-02-06 11:40:42 +0800 | [diff] [blame] | 56 | return AVAILABLE; |
Raff Tsai | 74942ce | 2019-06-12 16:46:40 +0800 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public void displayPreference(PreferenceScreen screen) { |
| 61 | super.displayPreference(screen); |
| 62 | mScreen = screen; |
| 63 | mPreference = mScreen.findPreference(getPreferenceKey()); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void onStart() { |
| 68 | updateInputMethodPreferenceViews(); |
| 69 | } |
| 70 | |
| 71 | private void updateInputMethodPreferenceViews() { |
| 72 | final List<InputMethodPreference> preferenceList = new ArrayList<>(); |
| 73 | |
| 74 | final List<String> permittedList = mDpm.getPermittedInputMethodsForCurrentUser(); |
| 75 | final List<InputMethodInfo> imis = mImm.getEnabledInputMethodList(); |
| 76 | final int N = (imis == null ? 0 : imis.size()); |
| 77 | for (int i = 0; i < N; ++i) { |
| 78 | final InputMethodInfo imi = imis.get(i); |
| 79 | final boolean isAllowedByOrganization = permittedList == null |
| 80 | || permittedList.contains(imi.getPackageName()); |
| 81 | final Drawable icon = imi.loadIcon(mContext.getPackageManager()); |
| 82 | final InputMethodPreference pref = new InputMethodPreference( |
| 83 | mScreen.getContext(), |
| 84 | imi, |
| 85 | false, /* isImeEnabler */ |
| 86 | isAllowedByOrganization, |
| 87 | null /* this can be null since isImeEnabler is false */); |
| 88 | pref.setIcon(icon); |
| 89 | preferenceList.add(pref); |
| 90 | } |
| 91 | final Collator collator = Collator.getInstance(); |
| 92 | preferenceList.sort((lhs, rhs) -> lhs.compareTo(rhs, collator)); |
| 93 | mScreen.removeAll(); |
| 94 | for (int i = 0; i < N; ++i) { |
| 95 | final InputMethodPreference pref = preferenceList.get(i); |
| 96 | pref.setOrder(i); |
| 97 | mScreen.addPreference(pref); |
| 98 | pref.updatePreferenceViews(); |
| 99 | } |
| 100 | mScreen.addPreference(mPreference); |
| 101 | } |
| 102 | } |