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.defaultapps; 18 19 import static com.android.settingslib.TwoTargetPreference.ICON_SIZE_MEDIUM; 20 21 import android.content.Context; 22 import android.content.Intent; 23 import android.graphics.drawable.Drawable; 24 import android.os.UserHandle; 25 import android.os.UserManager; 26 import android.support.v7.preference.Preference; 27 import android.text.TextUtils; 28 import android.util.Log; 29 30 import com.android.settings.R; 31 import com.android.settings.Utils; 32 import com.android.settings.core.PreferenceControllerMixin; 33 import com.android.settings.widget.GearPreference; 34 import com.android.settingslib.TwoTargetPreference; 35 import com.android.settingslib.applications.DefaultAppInfo; 36 import com.android.settingslib.core.AbstractPreferenceController; 37 import com.android.settingslib.wrapper.PackageManagerWrapper; 38 39 public abstract class DefaultAppPreferenceController extends AbstractPreferenceController 40 implements PreferenceControllerMixin { 41 42 private static final String TAG = "DefaultAppPrefControl"; 43 44 protected final PackageManagerWrapper mPackageManager; 45 protected final UserManager mUserManager; 46 47 protected int mUserId; 48 DefaultAppPreferenceController(Context context)49 public DefaultAppPreferenceController(Context context) { 50 super(context); 51 mPackageManager = new PackageManagerWrapper(context.getPackageManager()); 52 mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 53 mUserId = UserHandle.myUserId(); 54 } 55 56 @Override updateState(Preference preference)57 public void updateState(Preference preference) { 58 final DefaultAppInfo app = getDefaultAppInfo(); 59 CharSequence defaultAppLabel = getDefaultAppLabel(); 60 if (preference instanceof TwoTargetPreference) { 61 // For use small icon because we are displaying an app preference. 62 // We only need to do this for TwoTargetPreference because the other prefs are 63 // already using AppPreference so their icon is already normalized. 64 ((TwoTargetPreference) preference).setIconSize(ICON_SIZE_MEDIUM); 65 } 66 if (!TextUtils.isEmpty(defaultAppLabel)) { 67 preference.setSummary(defaultAppLabel); 68 Utils.setSafeIcon(preference, getDefaultAppIcon()); 69 } else { 70 Log.d(TAG, "No default app"); 71 preference.setSummary(R.string.app_list_preference_none); 72 preference.setIcon(null); 73 } 74 mayUpdateGearIcon(app, preference); 75 } 76 mayUpdateGearIcon(DefaultAppInfo app, Preference preference)77 private void mayUpdateGearIcon(DefaultAppInfo app, Preference preference) { 78 if (!(preference instanceof GearPreference)) { 79 return; 80 } 81 final Intent settingIntent = getSettingIntent(app); 82 if (settingIntent != null) { 83 ((GearPreference) preference).setOnGearClickListener( 84 p -> mContext.startActivity(settingIntent)); 85 } else { 86 ((GearPreference) preference).setOnGearClickListener(null); 87 } 88 } 89 getDefaultAppInfo()90 protected abstract DefaultAppInfo getDefaultAppInfo(); 91 92 /** 93 * Returns an optional intent that will be launched when clicking "gear" icon. 94 */ getSettingIntent(DefaultAppInfo info)95 protected Intent getSettingIntent(DefaultAppInfo info) { 96 //By default return null. It's up to subclasses to provide logic. 97 return null; 98 } 99 getDefaultAppIcon()100 public Drawable getDefaultAppIcon() { 101 if (!isAvailable()) { 102 return null; 103 } 104 final DefaultAppInfo app = getDefaultAppInfo(); 105 if (app != null) { 106 return app.loadIcon(); 107 } 108 return null; 109 } 110 getDefaultAppLabel()111 public CharSequence getDefaultAppLabel() { 112 if (!isAvailable()) { 113 return null; 114 } 115 final DefaultAppInfo app = getDefaultAppInfo(); 116 if (app != null) { 117 return app.loadLabel(); 118 } 119 return null; 120 } 121 } 122