1 /* 2 * Copyright (C) 2017 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.applications.assist; 18 19 import android.app.role.RoleManager; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.provider.Settings; 26 import android.service.voice.VoiceInteractionService; 27 import android.service.voice.VoiceInteractionServiceInfo; 28 import android.text.TextUtils; 29 30 import androidx.annotation.VisibleForTesting; 31 import androidx.preference.Preference; 32 33 import com.android.internal.app.AssistUtils; 34 import com.android.settings.R; 35 import com.android.settings.applications.defaultapps.DefaultAppPreferenceController; 36 import com.android.settingslib.applications.DefaultAppInfo; 37 38 import java.util.List; 39 40 public class DefaultAssistPreferenceController extends DefaultAppPreferenceController { 41 42 private final AssistUtils mAssistUtils; 43 private final boolean mShowSetting; 44 private final String mPrefKey; 45 private final Intent mIntent; 46 DefaultAssistPreferenceController(Context context, String prefKey, boolean showSetting)47 public DefaultAssistPreferenceController(Context context, String prefKey, 48 boolean showSetting) { 49 super(context); 50 mPrefKey = prefKey; 51 mShowSetting = showSetting; 52 mAssistUtils = new AssistUtils(context); 53 54 final String packageName = mPackageManager.getPermissionControllerPackageName(); 55 if (packageName != null) { 56 mIntent = new Intent(Intent.ACTION_MANAGE_DEFAULT_APP) 57 .setPackage(packageName) 58 .putExtra(Intent.EXTRA_ROLE_NAME, RoleManager.ROLE_ASSISTANT); 59 } else { 60 mIntent = null; 61 } 62 } 63 64 @Override getSettingIntent(DefaultAppInfo info)65 protected Intent getSettingIntent(DefaultAppInfo info) { 66 if (!mShowSetting) { 67 return null; 68 } 69 final ComponentName cn = mAssistUtils.getAssistComponentForUser(mUserId); 70 if (cn == null) { 71 return null; 72 } 73 final Intent probe = new Intent(VoiceInteractionService.SERVICE_INTERFACE) 74 .setPackage(cn.getPackageName()); 75 76 final List<ResolveInfo> services = mPackageManager.queryIntentServices(probe, 77 PackageManager.GET_META_DATA); 78 if (services == null || services.isEmpty()) { 79 return null; 80 } 81 final String activity = getAssistSettingsActivity(cn, services.get(0), mPackageManager); 82 if (activity == null) { 83 return null; 84 } 85 return new Intent(Intent.ACTION_MAIN) 86 .setComponent(new ComponentName(cn.getPackageName(), activity)); 87 } 88 89 @Override handlePreferenceTreeClick(Preference preference)90 public boolean handlePreferenceTreeClick(Preference preference) { 91 if (TextUtils.equals(preference.getKey(), "default_assist")) { 92 if (mIntent != null) { 93 mContext.startActivity(mIntent); 94 } 95 return true; 96 } 97 return false; 98 } 99 100 @Override isAvailable()101 public boolean isAvailable() { 102 return mContext.getResources().getBoolean(R.bool.config_show_assist_and_voice_input); 103 } 104 105 @Override getPreferenceKey()106 public String getPreferenceKey() { 107 return mPrefKey; 108 } 109 110 @Override getDefaultAppInfo()111 protected DefaultAppInfo getDefaultAppInfo() { 112 final ComponentName cn = mAssistUtils.getAssistComponentForUser(mUserId); 113 if (cn == null) { 114 return null; 115 } 116 return new DefaultAppInfo(mContext, mPackageManager, mUserId, cn); 117 } 118 119 @VisibleForTesting getAssistSettingsActivity(ComponentName cn, ResolveInfo resolveInfo, PackageManager pm)120 String getAssistSettingsActivity(ComponentName cn, ResolveInfo resolveInfo, PackageManager pm) { 121 final VoiceInteractionServiceInfo voiceInfo = 122 new VoiceInteractionServiceInfo(pm, resolveInfo.serviceInfo); 123 if (!voiceInfo.getSupportsAssist()) { 124 return null; 125 } 126 return voiceInfo.getSettingsActivity(); 127 } 128 } 129