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.development; 18 19 import android.content.Context; 20 import android.content.pm.PackageInfo; 21 import android.content.pm.PackageManager; 22 import android.os.UserHandle; 23 import android.text.TextUtils; 24 import android.util.Log; 25 26 import androidx.annotation.VisibleForTesting; 27 import androidx.preference.Preference; 28 29 import com.android.settings.R; 30 import com.android.settings.core.PreferenceControllerMixin; 31 import com.android.settings.webview.WebViewUpdateServiceWrapper; 32 import com.android.settingslib.applications.DefaultAppInfo; 33 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 34 35 public class WebViewAppPreferenceController extends DeveloperOptionsPreferenceController implements 36 PreferenceControllerMixin { 37 38 private static final String TAG = "WebViewAppPrefCtrl"; 39 private static final String WEBVIEW_APP_KEY = "select_webview_provider"; 40 41 private final PackageManager mPackageManager; 42 private final WebViewUpdateServiceWrapper mWebViewUpdateServiceWrapper; 43 WebViewAppPreferenceController(Context context)44 public WebViewAppPreferenceController(Context context) { 45 super(context); 46 47 mPackageManager = context.getPackageManager(); 48 mWebViewUpdateServiceWrapper = new WebViewUpdateServiceWrapper(); 49 } 50 51 @Override getPreferenceKey()52 public String getPreferenceKey() { 53 return WEBVIEW_APP_KEY; 54 } 55 56 @Override updateState(Preference preference)57 public void updateState(Preference preference) { 58 final CharSequence defaultAppLabel = getDefaultAppLabel(); 59 if (!TextUtils.isEmpty(defaultAppLabel)) { 60 mPreference.setSummary(defaultAppLabel); 61 } else { 62 Log.d(TAG, "No default app"); 63 mPreference.setSummary(R.string.app_list_preference_none); 64 } 65 } 66 67 @VisibleForTesting getDefaultAppInfo()68 DefaultAppInfo getDefaultAppInfo() { 69 final PackageInfo currentPackage = mWebViewUpdateServiceWrapper.getCurrentWebViewPackage(); 70 return new DefaultAppInfo(mContext, mPackageManager, UserHandle.myUserId(), 71 currentPackage == null ? null : currentPackage.applicationInfo); 72 } 73 getDefaultAppLabel()74 private CharSequence getDefaultAppLabel() { 75 final DefaultAppInfo app = getDefaultAppInfo(); 76 return app.loadLabel(); 77 } 78 } 79