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      1 /*
      2  * Copyright (C) 2011 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.server.telecom;
     18 
     19 import android.app.ActionBar;
     20 import android.app.Activity;
     21 import android.content.Context;
     22 import android.content.SharedPreferences;
     23 import android.os.Bundle;
     24 import android.preference.EditTextPreference;
     25 import android.preference.Preference;
     26 import android.preference.PreferenceActivity;
     27 import android.view.Menu;
     28 import android.view.MenuItem;
     29 
     30 // TODO: Needed for move to system service: import com.android.internal.R;
     31 
     32 /**
     33  * Helper class to manage the "Respond via SMS Message" feature for incoming calls.
     34  */
     35 public class RespondViaSmsSettings {
     36     private static final String KEY_PREFERRED_PACKAGE = "preferred_package_pref";
     37     private static final String KEY_INSTANT_TEXT_DEFAULT_COMPONENT = "instant_text_def_component";
     38 
     39     // TODO: This class is newly copied into Telecom (com.android.server.telecom) from it previous
     40     // location in Telephony (com.android.phone). User's preferences stored in the old location
     41     // will be lost. We need code here to migrate KLP -> LMP settings values.
     42 
     43     /**
     44      * Settings activity under "Call settings" to let you manage the
     45      * canned responses; see respond_via_sms_settings.xml
     46      */
     47     public static class Settings extends PreferenceActivity
     48             implements Preference.OnPreferenceChangeListener {
     49         @Override
     50         protected void onCreate(Bundle icicle) {
     51             super.onCreate(icicle);
     52             Log.d(this, "Settings: onCreate()...");
     53 
     54             // This function guarantees that QuickResponses will be in our
     55             // SharedPreferences with the proper values considering there may be
     56             // old QuickResponses in Telephony pre L.
     57             QuickResponseUtils.maybeMigrateLegacyQuickResponses(this);
     58 
     59             getPreferenceManager().setSharedPreferencesName(
     60                     QuickResponseUtils.SHARED_PREFERENCES_NAME);
     61 
     62             // This preference screen is ultra-simple; it's just 4 plain
     63             // <EditTextPreference>s, one for each of the 4 "canned responses".
     64             //
     65             // The only nontrivial thing we do here is copy the text value of
     66             // each of those EditTextPreferences and use it as the preference's
     67             // "title" as well, so that the user will immediately see all 4
     68             // strings when they arrive here.
     69             //
     70             // Also, listen for change events (since we'll need to update the
     71             // title any time the user edits one of the strings.)
     72 
     73             addPreferencesFromResource(R.xml.respond_via_sms_settings);
     74 
     75             EditTextPreference pref;
     76             pref = (EditTextPreference) findPreference(
     77                     QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_1);
     78             pref.setTitle(pref.getText());
     79             pref.setOnPreferenceChangeListener(this);
     80 
     81             pref = (EditTextPreference) findPreference(
     82                     QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_2);
     83             pref.setTitle(pref.getText());
     84             pref.setOnPreferenceChangeListener(this);
     85 
     86             pref = (EditTextPreference) findPreference(
     87                     QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_3);
     88             pref.setTitle(pref.getText());
     89             pref.setOnPreferenceChangeListener(this);
     90 
     91             pref = (EditTextPreference) findPreference(
     92                     QuickResponseUtils.KEY_CANNED_RESPONSE_PREF_4);
     93             pref.setTitle(pref.getText());
     94             pref.setOnPreferenceChangeListener(this);
     95 
     96             ActionBar actionBar = getActionBar();
     97             if (actionBar != null) {
     98                 // android.R.id.home will be triggered in onOptionsItemSelected()
     99                 actionBar.setDisplayHomeAsUpEnabled(true);
    100             }
    101         }
    102 
    103         // Preference.OnPreferenceChangeListener implementation
    104         @Override
    105         public boolean onPreferenceChange(Preference preference, Object newValue) {
    106             Log.d(this, "onPreferenceChange: key = %s", preference.getKey());
    107             Log.d(this, "  preference = '%s'", preference);
    108             Log.d(this, "  newValue = '%s'", newValue);
    109 
    110             EditTextPreference pref = (EditTextPreference) preference;
    111 
    112             // Copy the new text over to the title, just like in onCreate().
    113             // (Watch out: onPreferenceChange() is called *before* the
    114             // Preference itself gets updated, so we need to use newValue here
    115             // rather than pref.getText().)
    116             pref.setTitle((String) newValue);
    117 
    118             return true;  // means it's OK to update the state of the Preference with the new value
    119         }
    120 
    121         @Override
    122         public boolean onOptionsItemSelected(MenuItem item) {
    123             final int itemId = item.getItemId();
    124             switch (itemId) {
    125                 case android.R.id.home:
    126                     goUpToTopLevelSetting(this);
    127                     return true;
    128                 case R.id.respond_via_message_reset:
    129                     // Reset the preferences settings
    130                     SharedPreferences prefs = getSharedPreferences(
    131                             QuickResponseUtils.SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
    132                     SharedPreferences.Editor editor = prefs.edit();
    133                     editor.remove(KEY_INSTANT_TEXT_DEFAULT_COMPONENT);
    134                     editor.apply();
    135 
    136                     return true;
    137                 default:
    138             }
    139             return super.onOptionsItemSelected(item);
    140         }
    141 
    142         @Override
    143         public boolean onCreateOptionsMenu(Menu menu) {
    144             getMenuInflater().inflate(R.menu.respond_via_message_settings_menu, menu);
    145             return super.onCreateOptionsMenu(menu);
    146         }
    147     }
    148 
    149     /**
    150      * Finish current Activity and go up to the top level Settings.
    151      */
    152     public static void goUpToTopLevelSetting(Activity activity) {
    153         activity.finish();
    154      }
    155 }
    156