| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.applications.assist; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.service.voice.VoiceInteractionService; |
| import android.service.voice.VoiceInteractionServiceInfo; |
| import android.support.annotation.VisibleForTesting; |
| |
| import com.android.internal.app.AssistUtils; |
| import com.android.settings.R; |
| import com.android.settings.applications.defaultapps.DefaultAppPreferenceController; |
| import com.android.settingslib.applications.DefaultAppInfo; |
| |
| import java.util.List; |
| |
| public class DefaultAssistPreferenceController extends DefaultAppPreferenceController { |
| |
| private final AssistUtils mAssistUtils; |
| private final boolean mShowSetting; |
| private final String mPrefKey; |
| |
| public DefaultAssistPreferenceController(Context context, String prefKey, |
| boolean showSetting) { |
| super(context); |
| mPrefKey = prefKey; |
| mShowSetting = showSetting; |
| mAssistUtils = new AssistUtils(context); |
| } |
| |
| @Override |
| protected Intent getSettingIntent(DefaultAppInfo info) { |
| if (!mShowSetting) { |
| return null; |
| } |
| final ComponentName cn = mAssistUtils.getAssistComponentForUser(mUserId); |
| if (cn == null) { |
| return null; |
| } |
| final Intent probe = new Intent(VoiceInteractionService.SERVICE_INTERFACE) |
| .setPackage(cn.getPackageName()); |
| |
| final PackageManager pm = mPackageManager.getPackageManager(); |
| final List<ResolveInfo> services = pm.queryIntentServices(probe, PackageManager |
| .GET_META_DATA); |
| if (services == null || services.isEmpty()) { |
| return null; |
| } |
| final String activity = getAssistSettingsActivity(cn, services.get(0), pm); |
| if (activity == null) { |
| return null; |
| } |
| return new Intent(Intent.ACTION_MAIN) |
| .setComponent(new ComponentName(cn.getPackageName(), activity)); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return mContext.getResources().getBoolean(R.bool.config_show_assist_and_voice_input); |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return mPrefKey; |
| } |
| |
| @Override |
| protected DefaultAppInfo getDefaultAppInfo() { |
| final ComponentName cn = mAssistUtils.getAssistComponentForUser(mUserId); |
| if (cn == null) { |
| return null; |
| } |
| return new DefaultAppInfo(mContext, mPackageManager, mUserId, cn); |
| } |
| |
| @VisibleForTesting |
| String getAssistSettingsActivity(ComponentName cn, ResolveInfo resolveInfo, PackageManager pm) { |
| final VoiceInteractionServiceInfo voiceInfo = |
| new VoiceInteractionServiceInfo(pm, resolveInfo.serviceInfo); |
| if (!voiceInfo.getSupportsAssist()) { |
| return null; |
| } |
| return voiceInfo.getSettingsActivity(); |
| } |
| } |