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1 /*
2  * Copyright (C) 2007 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.calendar;
18 
19 import android.app.Activity;
20 import android.app.FragmentManager;
21 import android.app.backup.BackupManager;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.content.SharedPreferences;
25 import android.content.SharedPreferences.Editor;
26 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
27 import android.media.Ringtone;
28 import android.media.RingtoneManager;
29 import android.net.Uri;
30 import android.os.Bundle;
31 import android.os.Vibrator;
32 import android.preference.CheckBoxPreference;
33 import android.preference.ListPreference;
34 import android.preference.Preference;
35 import android.preference.Preference.OnPreferenceChangeListener;
36 import android.preference.Preference.OnPreferenceClickListener;
37 import android.preference.PreferenceCategory;
38 import android.preference.PreferenceFragment;
39 import android.preference.PreferenceManager;
40 import android.preference.PreferenceScreen;
41 import android.preference.RingtonePreference;
42 import android.provider.CalendarContract;
43 import android.provider.CalendarContract.CalendarCache;
44 import android.provider.SearchRecentSuggestions;
45 import android.text.TextUtils;
46 import android.text.format.Time;
47 import android.widget.Toast;
48 
49 import com.android.calendar.alerts.AlertReceiver;
50 import com.android.timezonepicker.TimeZoneInfo;
51 import com.android.timezonepicker.TimeZonePickerDialog;
52 import com.android.timezonepicker.TimeZonePickerDialog.OnTimeZoneSetListener;
53 import com.android.timezonepicker.TimeZonePickerUtils;
54 
55 public class GeneralPreferences extends PreferenceFragment implements
56         OnSharedPreferenceChangeListener, OnPreferenceChangeListener, OnTimeZoneSetListener {
57     // The name of the shared preferences file. This name must be maintained for historical
58     // reasons, as it's what PreferenceManager assigned the first time the file was created.
59     static final String SHARED_PREFS_NAME = "com.android.calendar_preferences";
60     static final String SHARED_PREFS_NAME_NO_BACKUP = "com.android.calendar_preferences_no_backup";
61 
62     private static final String FRAG_TAG_TIME_ZONE_PICKER = "TimeZonePicker";
63 
64     // Preference keys
65     public static final String KEY_HIDE_DECLINED = "preferences_hide_declined";
66     public static final String KEY_WEEK_START_DAY = "preferences_week_start_day";
67     public static final String KEY_SHOW_WEEK_NUM = "preferences_show_week_num";
68     public static final String KEY_DAYS_PER_WEEK = "preferences_days_per_week";
69     public static final String KEY_SKIP_SETUP = "preferences_skip_setup";
70 
71     public static final String KEY_CLEAR_SEARCH_HISTORY = "preferences_clear_search_history";
72 
73     public static final String KEY_ALERTS_CATEGORY = "preferences_alerts_category";
74     public static final String KEY_ALERTS = "preferences_alerts";
75     public static final String KEY_ALERTS_VIBRATE = "preferences_alerts_vibrate";
76     public static final String KEY_ALERTS_RINGTONE = "preferences_alerts_ringtone";
77     public static final String KEY_ALERTS_POPUP = "preferences_alerts_popup";
78 
79     public static final String KEY_SHOW_CONTROLS = "preferences_show_controls";
80 
81     public static final String KEY_DEFAULT_REMINDER = "preferences_default_reminder";
82     public static final int NO_REMINDER = -1;
83     public static final String NO_REMINDER_STRING = "-1";
84     public static final int REMINDER_DEFAULT_TIME = 10; // in minutes
85 
86     public static final String KEY_DEFAULT_CELL_HEIGHT = "preferences_default_cell_height";
87     public static final String KEY_VERSION = "preferences_version";
88 
89     /** Key to SharePreference for default view (CalendarController.ViewType) */
90     public static final String KEY_START_VIEW = "preferred_startView";
91     /**
92      *  Key to SharePreference for default detail view (CalendarController.ViewType)
93      *  Typically used by widget
94      */
95     public static final String KEY_DETAILED_VIEW = "preferred_detailedView";
96     public static final String KEY_DEFAULT_CALENDAR = "preference_defaultCalendar";
97 
98     // These must be in sync with the array preferences_week_start_day_values
99     public static final String WEEK_START_DEFAULT = "-1";
100     public static final String WEEK_START_SATURDAY = "7";
101     public static final String WEEK_START_SUNDAY = "1";
102     public static final String WEEK_START_MONDAY = "2";
103 
104     // These keys are kept to enable migrating users from previous versions
105     private static final String KEY_ALERTS_TYPE = "preferences_alerts_type";
106     private static final String ALERT_TYPE_ALERTS = "0";
107     private static final String ALERT_TYPE_STATUS_BAR = "1";
108     private static final String ALERT_TYPE_OFF = "2";
109     static final String KEY_HOME_TZ_ENABLED = "preferences_home_tz_enabled";
110     static final String KEY_HOME_TZ = "preferences_home_tz";
111 
112     // Default preference values
113     public static final int DEFAULT_START_VIEW = CalendarController.ViewType.WEEK;
114     public static final int DEFAULT_DETAILED_VIEW = CalendarController.ViewType.DAY;
115     public static final boolean DEFAULT_SHOW_WEEK_NUM = false;
116     // This should match the XML file.
117     public static final String DEFAULT_RINGTONE = "content://settings/system/notification_sound";
118 
119     CheckBoxPreference mAlert;
120     CheckBoxPreference mVibrate;
121     CheckBoxPreference mPopup;
122     CheckBoxPreference mUseHomeTZ;
123     CheckBoxPreference mHideDeclined;
124     Preference mHomeTZ;
125     TimeZonePickerUtils mTzPickerUtils;
126     ListPreference mWeekStart;
127     ListPreference mDefaultReminder;
128 
129     private String mTimeZoneId;
130 
131     /** Return a properly configured SharedPreferences instance */
getSharedPreferences(Context context)132     public static SharedPreferences getSharedPreferences(Context context) {
133         return context.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE);
134     }
135 
136     /** Set the default shared preferences in the proper context */
setDefaultValues(Context context)137     public static void setDefaultValues(Context context) {
138         PreferenceManager.setDefaultValues(context, SHARED_PREFS_NAME, Context.MODE_PRIVATE,
139                 R.xml.general_preferences, false);
140     }
141 
142     @Override
onCreate(Bundle icicle)143     public void onCreate(Bundle icicle) {
144         super.onCreate(icicle);
145 
146         final Activity activity = getActivity();
147 
148         // Make sure to always use the same preferences file regardless of the package name
149         // we're running under
150         final PreferenceManager preferenceManager = getPreferenceManager();
151         final SharedPreferences sharedPreferences = getSharedPreferences(activity);
152         preferenceManager.setSharedPreferencesName(SHARED_PREFS_NAME);
153 
154         // Load the preferences from an XML resource
155         addPreferencesFromResource(R.xml.general_preferences);
156 
157         final PreferenceScreen preferenceScreen = getPreferenceScreen();
158         mAlert = (CheckBoxPreference) preferenceScreen.findPreference(KEY_ALERTS);
159         mVibrate = (CheckBoxPreference) preferenceScreen.findPreference(KEY_ALERTS_VIBRATE);
160         Vibrator vibrator = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
161         if (vibrator == null || !vibrator.hasVibrator()) {
162             PreferenceCategory mAlertGroup = (PreferenceCategory) preferenceScreen
163                     .findPreference(KEY_ALERTS_CATEGORY);
164             mAlertGroup.removePreference(mVibrate);
165         }
166 
167         mPopup = (CheckBoxPreference) preferenceScreen.findPreference(KEY_ALERTS_POPUP);
168         mUseHomeTZ = (CheckBoxPreference) preferenceScreen.findPreference(KEY_HOME_TZ_ENABLED);
169         mHideDeclined = (CheckBoxPreference) preferenceScreen.findPreference(KEY_HIDE_DECLINED);
170         mWeekStart = (ListPreference) preferenceScreen.findPreference(KEY_WEEK_START_DAY);
171         mDefaultReminder = (ListPreference) preferenceScreen.findPreference(KEY_DEFAULT_REMINDER);
172         mHomeTZ = preferenceScreen.findPreference(KEY_HOME_TZ);
173         mWeekStart.setSummary(mWeekStart.getEntry());
174         mDefaultReminder.setSummary(mDefaultReminder.getEntry());
175 
176         // This triggers an asynchronous call to the provider to refresh the data in shared pref
177         mTimeZoneId = Utils.getTimeZone(activity, null);
178 
179         SharedPreferences prefs = CalendarUtils.getSharedPreferences(activity,
180                 Utils.SHARED_PREFS_NAME);
181 
182         // Utils.getTimeZone will return the currentTimeZone instead of the one
183         // in the shared_pref if home time zone is disabled. So if home tz is
184         // off, we will explicitly read it.
185         if (!prefs.getBoolean(KEY_HOME_TZ_ENABLED, false)) {
186             mTimeZoneId = prefs.getString(KEY_HOME_TZ, Time.getCurrentTimezone());
187         }
188 
189         mHomeTZ.setOnPreferenceClickListener(new OnPreferenceClickListener() {
190             @Override
191             public boolean onPreferenceClick(Preference preference) {
192                 showTimezoneDialog();
193                 return true;
194             }
195         });
196 
197         if (mTzPickerUtils == null) {
198             mTzPickerUtils = new TimeZonePickerUtils(getActivity());
199         }
200         CharSequence timezoneName = mTzPickerUtils.getGmtDisplayName(getActivity(), mTimeZoneId,
201                 System.currentTimeMillis(), false);
202         mHomeTZ.setSummary(timezoneName != null ? timezoneName : mTimeZoneId);
203 
204         TimeZonePickerDialog tzpd = (TimeZonePickerDialog) activity.getFragmentManager()
205                 .findFragmentByTag(FRAG_TAG_TIME_ZONE_PICKER);
206         if (tzpd != null) {
207             tzpd.setOnTimeZoneSetListener(this);
208         }
209 
210         migrateOldPreferences(sharedPreferences);
211 
212         updateChildPreferences();
213     }
214 
showTimezoneDialog()215     private void showTimezoneDialog() {
216         final Activity activity = getActivity();
217         if (activity == null) {
218             return;
219         }
220 
221         Bundle b = new Bundle();
222         b.putLong(TimeZonePickerDialog.BUNDLE_START_TIME_MILLIS, System.currentTimeMillis());
223         b.putString(TimeZonePickerDialog.BUNDLE_TIME_ZONE, Utils.getTimeZone(activity, null));
224 
225         FragmentManager fm = getActivity().getFragmentManager();
226         TimeZonePickerDialog tzpd = (TimeZonePickerDialog) fm
227                 .findFragmentByTag(FRAG_TAG_TIME_ZONE_PICKER);
228         if (tzpd != null) {
229             tzpd.dismiss();
230         }
231         tzpd = new TimeZonePickerDialog();
232         tzpd.setArguments(b);
233         tzpd.setOnTimeZoneSetListener(this);
234         tzpd.show(fm, FRAG_TAG_TIME_ZONE_PICKER);
235     }
236 
237     @Override
onStart()238     public void onStart() {
239         super.onStart();
240         getPreferenceScreen().getSharedPreferences()
241                 .registerOnSharedPreferenceChangeListener(this);
242         setPreferenceListeners(this);
243     }
244 
245     /**
246      * Sets up all the preference change listeners to use the specified
247      * listener.
248      */
setPreferenceListeners(OnPreferenceChangeListener listener)249     private void setPreferenceListeners(OnPreferenceChangeListener listener) {
250         mUseHomeTZ.setOnPreferenceChangeListener(listener);
251         mHomeTZ.setOnPreferenceChangeListener(listener);
252         mWeekStart.setOnPreferenceChangeListener(listener);
253         mDefaultReminder.setOnPreferenceChangeListener(listener);
254         mHideDeclined.setOnPreferenceChangeListener(listener);
255         mVibrate.setOnPreferenceChangeListener(listener);
256     }
257 
258     @Override
onStop()259     public void onStop() {
260         getPreferenceScreen().getSharedPreferences()
261                 .unregisterOnSharedPreferenceChangeListener(this);
262         setPreferenceListeners(null);
263         super.onStop();
264     }
265 
266     @Override
onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key)267     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
268         Activity a = getActivity();
269         if (key.equals(KEY_ALERTS)) {
270             updateChildPreferences();
271             if (a != null) {
272                 Intent intent = new Intent();
273                 intent.setClass(a, AlertReceiver.class);
274                 if (mAlert.isChecked()) {
275                     intent.setAction(AlertReceiver.ACTION_DISMISS_OLD_REMINDERS);
276                 } else {
277                     intent.setAction(AlertReceiver.EVENT_REMINDER_APP_ACTION);
278                 }
279                 a.sendBroadcast(intent);
280             }
281         }
282         if (a != null) {
283             BackupManager.dataChanged(a.getPackageName());
284         }
285     }
286 
287     /**
288      * Handles time zone preference changes
289      */
290     @Override
onPreferenceChange(Preference preference, Object newValue)291     public boolean onPreferenceChange(Preference preference, Object newValue) {
292         String tz;
293         final Activity activity = getActivity();
294         if (preference == mUseHomeTZ) {
295             if ((Boolean)newValue) {
296                 tz = mTimeZoneId;
297             } else {
298                 tz = CalendarCache.TIMEZONE_TYPE_AUTO;
299             }
300             Utils.setTimeZone(activity, tz);
301             return true;
302         } else if (preference == mHideDeclined) {
303             mHideDeclined.setChecked((Boolean) newValue);
304             Intent intent = new Intent(Utils.getWidgetScheduledUpdateAction(activity));
305             intent.setDataAndType(CalendarContract.CONTENT_URI, Utils.APPWIDGET_DATA_TYPE);
306             activity.sendBroadcast(intent);
307             return true;
308         } else if (preference == mWeekStart) {
309             mWeekStart.setValue((String) newValue);
310             mWeekStart.setSummary(mWeekStart.getEntry());
311         } else if (preference == mDefaultReminder) {
312             mDefaultReminder.setValue((String) newValue);
313             mDefaultReminder.setSummary(mDefaultReminder.getEntry());
314         } else if (preference == mVibrate) {
315             mVibrate.setChecked((Boolean) newValue);
316             return true;
317         } else {
318             return true;
319         }
320         return false;
321     }
322 
getRingtoneTitleFromUri(Context context, String uri)323     public String getRingtoneTitleFromUri(Context context, String uri) {
324         if (TextUtils.isEmpty(uri)) {
325             return null;
326         }
327 
328         Ringtone ring = RingtoneManager.getRingtone(getActivity(), Uri.parse(uri));
329         if (ring != null) {
330             return ring.getTitle(context);
331         }
332         return null;
333     }
334 
335     /**
336      * If necessary, upgrades previous versions of preferences to the current
337      * set of keys and values.
338      * @param prefs the preferences to upgrade
339      */
migrateOldPreferences(SharedPreferences prefs)340     private void migrateOldPreferences(SharedPreferences prefs) {
341         // If needed, migrate vibration setting from a previous version
342 
343         mVibrate.setChecked(Utils.getDefaultVibrate(getActivity(), prefs));
344 
345         // If needed, migrate the old alerts type settin
346         if (!prefs.contains(KEY_ALERTS) && prefs.contains(KEY_ALERTS_TYPE)) {
347             String type = prefs.getString(KEY_ALERTS_TYPE, ALERT_TYPE_STATUS_BAR);
348             if (type.equals(ALERT_TYPE_OFF)) {
349                 mAlert.setChecked(false);
350                 mPopup.setChecked(false);
351                 mPopup.setEnabled(false);
352             } else if (type.equals(ALERT_TYPE_STATUS_BAR)) {
353                 mAlert.setChecked(true);
354                 mPopup.setChecked(false);
355                 mPopup.setEnabled(true);
356             } else if (type.equals(ALERT_TYPE_ALERTS)) {
357                 mAlert.setChecked(true);
358                 mPopup.setChecked(true);
359                 mPopup.setEnabled(true);
360             }
361             // clear out the old setting
362             prefs.edit().remove(KEY_ALERTS_TYPE).commit();
363         }
364     }
365 
366     /**
367      * Keeps the dependent settings in sync with the parent preference, so for
368      * example, when notifications are turned off, we disable the preferences
369      * for configuring the exact notification behavior.
370      */
updateChildPreferences()371     private void updateChildPreferences() {
372         if (mAlert.isChecked()) {
373             mVibrate.setEnabled(true);
374             mPopup.setEnabled(true);
375         } else {
376             mVibrate.setEnabled(false);
377             mPopup.setEnabled(false);
378         }
379     }
380 
381 
382     @Override
onPreferenceTreeClick( PreferenceScreen preferenceScreen, Preference preference)383     public boolean onPreferenceTreeClick(
384             PreferenceScreen preferenceScreen, Preference preference) {
385         final String key = preference.getKey();
386         return super.onPreferenceTreeClick(preferenceScreen, preference);
387     }
388 
389     @Override
onTimeZoneSet(TimeZoneInfo tzi)390     public void onTimeZoneSet(TimeZoneInfo tzi) {
391         if (mTzPickerUtils == null) {
392             mTzPickerUtils = new TimeZonePickerUtils(getActivity());
393         }
394 
395         final CharSequence timezoneName = mTzPickerUtils.getGmtDisplayName(
396                 getActivity(), tzi.mTzId, System.currentTimeMillis(), false);
397         mHomeTZ.setSummary(timezoneName);
398         Utils.setTimeZone(getActivity(), tzi.mTzId);
399     }
400 }
401