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.support.annotation.VisibleForTesting; 22 import android.support.v7.preference.Preference; 23 import android.text.TextUtils; 24 import android.util.Log; 25 26 import com.android.settings.R; 27 import com.android.settings.core.PreferenceControllerMixin; 28 import com.android.settings.webview.WebViewUpdateServiceWrapper; 29 import com.android.settingslib.applications.DefaultAppInfo; 30 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 31 import com.android.settingslib.wrapper.PackageManagerWrapper; 32 33 public class WebViewAppPreferenceController extends DeveloperOptionsPreferenceController implements 34 PreferenceControllerMixin { 35 36 private static final String TAG = "WebViewAppPrefCtrl"; 37 private static final String WEBVIEW_APP_KEY = "select_webview_provider"; 38 39 private final PackageManagerWrapper mPackageManager; 40 private final WebViewUpdateServiceWrapper mWebViewUpdateServiceWrapper; 41 WebViewAppPreferenceController(Context context)42 public WebViewAppPreferenceController(Context context) { 43 super(context); 44 45 mPackageManager = new PackageManagerWrapper(context.getPackageManager()); 46 mWebViewUpdateServiceWrapper = new WebViewUpdateServiceWrapper(); 47 } 48 49 @Override getPreferenceKey()50 public String getPreferenceKey() { 51 return WEBVIEW_APP_KEY; 52 } 53 54 @Override updateState(Preference preference)55 public void updateState(Preference preference) { 56 final CharSequence defaultAppLabel = getDefaultAppLabel(); 57 if (!TextUtils.isEmpty(defaultAppLabel)) { 58 mPreference.setSummary(defaultAppLabel); 59 } else { 60 Log.d(TAG, "No default app"); 61 mPreference.setSummary(R.string.app_list_preference_none); 62 } 63 } 64 65 @VisibleForTesting getDefaultAppInfo()66 DefaultAppInfo getDefaultAppInfo() { 67 final PackageInfo currentPackage = mWebViewUpdateServiceWrapper.getCurrentWebViewPackage(); 68 return new DefaultAppInfo(mContext, mPackageManager, 69 currentPackage == null ? null : currentPackage.applicationInfo); 70 } 71 getDefaultAppLabel()72 private CharSequence getDefaultAppLabel() { 73 final DefaultAppInfo app = getDefaultAppInfo(); 74 return app.loadLabel(); 75 } 76 } 77