| /* |
| * Copyright (C) 2014 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.server.telecom; |
| |
| import android.content.Context; |
| import android.content.SharedPreferences; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.telecom.Log; |
| |
| // TODO: Needed for move to system service: import com.android.internal.R; |
| |
| /** |
| * Utils class that exposes some helper routines to used to manage the QuickResponses |
| */ |
| public class QuickResponseUtils { |
| public static final String LOG_TAG = "QuickResponseUtils"; |
| |
| // SharedPreferences file name for our persistent settings. |
| public static final String SHARED_PREFERENCES_NAME = "respond_via_sms_prefs"; |
| private static final String PACKAGE_NAME_TELEPHONY = "com.android.phone"; |
| |
| // Preference keys for the 4 "canned responses"; see RespondViaSmsManager$Settings. |
| // Since (for now at least) the number of messages is fixed at 4, and since |
| // SharedPreferences can't deal with arrays anyway, just store the messages |
| // as 4 separate strings. |
| public static final int NUM_CANNED_RESPONSES = 4; |
| public static final String KEY_CANNED_RESPONSE_PREF_1 = "canned_response_pref_1"; |
| public static final String KEY_CANNED_RESPONSE_PREF_2 = "canned_response_pref_2"; |
| public static final String KEY_CANNED_RESPONSE_PREF_3 = "canned_response_pref_3"; |
| public static final String KEY_CANNED_RESPONSE_PREF_4 = "canned_response_pref_4"; |
| |
| /** |
| * As of L, QuickResponses were moved from Telephony to Telecom. Because of |
| * this, we need to make sure that we migrate any old QuickResponses to our |
| * current SharedPreferences. This is a lazy migration as it happens only when |
| * the QuickResponse settings are viewed or if they are queried via RespondViaSmsManager. |
| */ |
| public static void maybeMigrateLegacyQuickResponses(Context context) { |
| // The algorithm will go as such: |
| // If Telecom QuickResponses exist, we will skip migration because this implies |
| // that a user has already specified their desired QuickResponses and have abandoned any |
| // older QuickResponses. |
| // Then, if Telephony QuickResponses exist, we will move those to Telecom. |
| // If neither exist, we'll populate Telecom with the default QuickResponses. |
| // This guarantees the caller that QuickResponses exist in SharedPreferences after this |
| // function is called. |
| |
| Log.d(LOG_TAG, "maybeMigrateLegacyQuickResponses() - Starting"); |
| final SharedPreferences prefs = context.getSharedPreferences( |
| SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE); |
| final Resources res = context.getResources(); |
| |
| final boolean responsesExist = prefs.contains(KEY_CANNED_RESPONSE_PREF_1) |
| || prefs.contains(KEY_CANNED_RESPONSE_PREF_2) |
| || prefs.contains(KEY_CANNED_RESPONSE_PREF_3) |
| || prefs.contains(KEY_CANNED_RESPONSE_PREF_4); |
| if (responsesExist) { |
| // Skip if the user has set any canned responses. |
| Log.d(LOG_TAG, "maybeMigrateLegacyQuickResponses() - Telecom QuickResponses exist"); |
| return; |
| } |
| |
| Log.d(LOG_TAG, "maybeMigrateLegacyQuickResponses() - No local QuickResponses"); |
| |
| // We don't have local QuickResponses, let's see if they live in |
| // the Telephony package and we'll fall back on using our default values. |
| Context telephonyContext = null; |
| try { |
| telephonyContext = context.createPackageContext(PACKAGE_NAME_TELEPHONY, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(LOG_TAG, e, "maybeMigrateLegacyQuickResponses() - Can't find Telephony package."); |
| } |
| |
| // Read the old canned responses from the Telephony SharedPreference if possible. |
| if (telephonyContext != null) { |
| Log.d(LOG_TAG, "maybeMigrateLegacyQuickResponses() - Using Telephony QuickResponses."); |
| final SharedPreferences oldPrefs = telephonyContext.getSharedPreferences( |
| SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE); |
| if (!oldPrefs.contains(KEY_CANNED_RESPONSE_PREF_1)) { |
| // Skip migration if old responses don't exist. |
| // If they exist, the first canned response should be present. |
| return; |
| } |
| String cannedResponse1 = oldPrefs.getString(KEY_CANNED_RESPONSE_PREF_1, |
| res.getString(R.string.respond_via_sms_canned_response_1)); |
| String cannedResponse2 = oldPrefs.getString(KEY_CANNED_RESPONSE_PREF_2, |
| res.getString(R.string.respond_via_sms_canned_response_2)); |
| String cannedResponse3 = oldPrefs.getString(KEY_CANNED_RESPONSE_PREF_3, |
| res.getString(R.string.respond_via_sms_canned_response_3)); |
| String cannedResponse4 = oldPrefs.getString(KEY_CANNED_RESPONSE_PREF_4, |
| res.getString(R.string.respond_via_sms_canned_response_4)); |
| |
| // Write them into Telecom SharedPreferences. |
| final SharedPreferences.Editor editor = prefs.edit(); |
| editor.putString(KEY_CANNED_RESPONSE_PREF_1, cannedResponse1); |
| editor.putString(KEY_CANNED_RESPONSE_PREF_2, cannedResponse2); |
| editor.putString(KEY_CANNED_RESPONSE_PREF_3, cannedResponse3); |
| editor.putString(KEY_CANNED_RESPONSE_PREF_4, cannedResponse4); |
| editor.commit(); |
| } |
| |
| Log.d(LOG_TAG, "maybeMigrateLegacyQuickResponses() - Done."); |
| return; |
| } |
| } |