AllInOneActivity.java revision d6734dbbd704cdb1bc331d1bd74b7a3be58f69ff 
1/*
2 * Copyright (C) 2010 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
17package com.android.calendar;
18
19import com.android.calendar.CalendarController.EventHandler;
20import com.android.calendar.CalendarController.EventInfo;
21import com.android.calendar.CalendarController.EventType;
22import com.android.calendar.CalendarController.ViewType;
23import com.android.calendar.SelectCalendars.SelectCalendarsFragment;
24
25import android.app.ActionBar;
26import android.app.Activity;
27import android.app.Fragment;
28import android.app.FragmentTransaction;
29import android.content.SharedPreferences;
30import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
31import android.content.res.Configuration;
32import android.os.Bundle;
33import android.text.format.DateUtils;
34import android.text.format.Time;
35import android.view.Menu;
36import android.view.MenuItem;
37import android.view.View;
38
39public class AllInOneActivity extends Activity implements EventHandler,
40        OnSharedPreferenceChangeListener {
41    private static final String TAG = "AllInOneActivity";
42    private static final String BUNDLE_KEY_RESTORE_TIME = "key_restore_time";
43    public static CalendarController mController; // FRAG_TODO make private
44
45    @Override
46    protected void onCreate(Bundle icicle) {
47        super.onCreate(icicle);
48
49        // This needs to be created before setContentView
50        mController = new CalendarController(this);
51
52        // Must be the first to register so that this activity can modify the
53        // list the event handlers during dispatching.
54        mController.registerEventHandler(this);
55
56        setContentView(R.layout.all_in_one);
57
58        // Get time from intent or icicle
59        long timeMillis;
60        if (icicle != null) {
61            timeMillis = icicle.getLong(BUNDLE_KEY_RESTORE_TIME);
62        } else {
63            timeMillis = Utils.timeFromIntentInMillis(getIntent());
64        }
65
66        initFragments(timeMillis, Utils.getViewTypeFromIntentAndSharedPref(this));
67
68        // Listen for changes that would require this to be refreshed
69        SharedPreferences prefs = CalendarPreferenceActivity.getSharedPreferences(this);
70        prefs.registerOnSharedPreferenceChangeListener(this);
71    }
72
73    @Override
74    protected void onPause() {
75        super.onPause();
76        //FRAG_TODO save highlighted days of the week;
77        Utils.setDefaultView(this, mController.getViewType());
78    }
79
80    @Override
81    public void onSaveInstanceState(Bundle outState) {
82        super.onSaveInstanceState(outState);
83
84        outState.putLong(BUNDLE_KEY_RESTORE_TIME, mController.getTime());
85    }
86
87    @Override
88    protected void onDestroy() {
89        super.onDestroy();
90
91        SharedPreferences prefs = CalendarPreferenceActivity.getSharedPreferences(this);
92        prefs.unregisterOnSharedPreferenceChangeListener(this);
93    }
94
95    private void initFragments(long timeMillis, int viewType) {
96        FragmentTransaction ft = openFragmentTransaction();
97
98        boolean multipane = (getResources().getConfiguration().screenLayout &
99                Configuration.SCREENLAYOUT_SIZE_XLARGE) != 0;
100
101        if (multipane) {
102            Fragment miniMonthFrag = new MonthFragment(false, timeMillis);
103            ft.replace(R.id.mini_month, miniMonthFrag);
104            mController.registerEventHandler((EventHandler) miniMonthFrag);
105
106            Fragment selectCalendarsFrag = new SelectCalendarsFragment();
107            ft.replace(R.id.calendar_list, selectCalendarsFrag);
108        } else {
109            findViewById(R.id.mini_month).setVisibility(View.GONE);
110            findViewById(R.id.calendar_list).setVisibility(View.GONE);
111        }
112
113        setMainPane(ft, R.id.main_pane, viewType, timeMillis, true);
114
115        ft.commit(); // this needs to be after setMainPane()
116
117        Time t = new Time();
118        t.set(timeMillis);
119        mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
120    }
121
122    @Override
123    public boolean onCreateOptionsMenu(Menu menu) {
124        super.onCreateOptionsMenu(menu);
125
126        getMenuInflater().inflate(R.menu.all_in_one_title_bar, menu);
127        return true;
128    }
129
130    @Override
131    public boolean onOptionsItemSelected(MenuItem item) {
132        Time t = null;
133        int viewType = ViewType.CURRENT;
134        switch (item.getItemId()) {
135            case R.id.action_refresh:
136                mController.refreshCalendars();
137                return true;
138            case R.id.action_day:
139                viewType = ViewType.DAY;
140                break;
141            case R.id.action_week:
142                viewType = ViewType.WEEK;
143                break;
144            case R.id.action_month:
145                viewType = ViewType.MONTH;
146                break;
147            case R.id.action_agenda:
148                viewType = ViewType.AGENDA;
149                break;
150            case R.id.action_today:
151                viewType = ViewType.CURRENT;
152                t = new Time();
153                t.setToNow();
154                break;
155            case R.id.action_create_event:
156                mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1, 0, 0, 0, 0);
157                return true;
158            case R.id.action_manage_calendars:
159                mController.sendEvent(this, EventType.LAUNCH_MANAGE_CALENDARS, null, null, 0, 0);
160                return true;
161            case R.id.action_settings:
162                mController.sendEvent(this, EventType.LAUNCH_SETTINGS, null, null, 0, 0);
163                return true;
164            default:
165                return false;
166        }
167        mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
168        return true;
169    }
170
171    @Override
172    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
173        if (key.equals(CalendarPreferenceActivity.KEY_WEEK_START_DAY)) {
174            initFragments(mController.getTime(), mController.getViewType());
175        }
176    }
177
178    private void setMainPane(FragmentTransaction ft, int viewId, int viewType,
179            long timeMillis, boolean force) {
180        if(!force && mController.getPreviousViewType() == viewType) {
181            return;
182        }
183
184        // Deregister old view
185        Fragment frag = findFragmentById(viewId);
186        if (frag != null) {
187            mController.deregisterEventHandler((EventHandler) frag);
188        }
189
190        // Create new one
191        switch (viewType) {
192            case ViewType.AGENDA:
193                frag = new AgendaFragment(timeMillis);
194                break;
195            case ViewType.DAY:
196            case ViewType.WEEK:
197                frag = new DayFragment(timeMillis);
198                break;
199            case ViewType.MONTH:
200                frag = new MonthFragment(false, timeMillis);
201                break;
202            default:
203                throw new IllegalArgumentException(
204                        "Must be Agenda, Day, Week, or Month ViewType, not " + viewType);
205        }
206
207        boolean doCommit = false;
208        if (ft == null) {
209            doCommit = true;
210            ft = openFragmentTransaction();
211        }
212
213        ft.replace(viewId, frag);
214        mController.registerEventHandler((EventHandler) frag);
215
216        if (doCommit) {
217            ft.commit();
218        }
219    }
220
221    private void setTitleInActionBar(EventInfo event) {
222        if (event.eventType != EventType.GO_TO) {
223            return;
224        }
225
226        long start = event.startTime.toMillis(false /* use isDst */);
227        long end = start;
228
229        if (event.endTime != null) {
230            end = event.endTime.toMillis(false /* use isDst */);
231        }
232        String msg = DateUtils.formatDateRange(this, start, end, DateUtils.FORMAT_SHOW_DATE);
233
234        ActionBar ab = getActionBar();
235        if (ab != null) {
236            ab.setTitle(msg);
237        }
238    }
239
240    // EventHandler Interface
241    public long getSupportedEventTypes() {
242        return EventType.GO_TO;
243    }
244
245    // EventHandler Interface
246    public void handleEvent(EventInfo event) {
247        if (event.eventType == EventType.GO_TO) {
248            // Set title bar
249            setTitleInActionBar(event);
250
251            setMainPane(null, R.id.main_pane, event.viewType,
252                    event.startTime.toMillis(false), false);
253
254            // FRAG_TODO only for XL screen
255            if (event.viewType == ViewType.MONTH) {
256                // hide minimonth and calendar frag
257                // show agenda view
258            } else {
259                // show minimonth and calendar frag
260            }
261        }
262    }
263
264    // EventHandler Interface
265    public void eventsChanged() {
266    }
267
268    // EventHandler Interface
269    public boolean getAllDay() {
270        return false;
271    }
272
273    // EventHandler Interface
274    public long getSelectedTime() {
275        return 0;
276    }
277
278    // EventHandler Interface
279    public void goTo(Time time, boolean animate) {
280    }
281
282    // EventHandler Interface
283    public void goToToday() {
284    }
285}
286