AllInOneActivity.java revision 5f62079ab9daefe95ede87631766e99e8b4a2220 
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 static android.provider.Calendar.EVENT_BEGIN_TIME;
20import static android.provider.Calendar.EVENT_END_TIME;
21
22import com.android.calendar.CalendarController.EventHandler;
23import com.android.calendar.CalendarController.EventInfo;
24import com.android.calendar.CalendarController.EventType;
25import com.android.calendar.CalendarController.ViewType;
26import com.android.calendar.agenda.AgendaFragment;
27import com.android.calendar.month.MonthByWeekFragment;
28import com.android.calendar.selectcalendars.SelectCalendarsFragment;
29
30import android.app.ActionBar;
31import android.app.ActionBar.Tab;
32import android.app.Activity;
33import android.app.Fragment;
34import android.app.FragmentTransaction;
35import android.content.ContentResolver;
36import android.content.Intent;
37import android.content.SharedPreferences;
38import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
39import android.content.res.Configuration;
40import android.database.ContentObserver;
41import android.net.Uri;
42import android.os.Bundle;
43import android.os.Handler;
44import android.provider.Calendar;
45import android.text.TextUtils;
46import android.text.format.DateFormat;
47import android.text.format.DateUtils;
48import android.text.format.Time;
49import android.util.Log;
50import android.view.Menu;
51import android.view.MenuItem;
52import android.view.View;
53import android.widget.SearchView;
54import android.widget.TextView;
55
56import java.util.Locale;
57import java.util.TimeZone;
58
59public class AllInOneActivity extends Activity implements EventHandler,
60        OnSharedPreferenceChangeListener, SearchView.OnQueryChangeListener,
61        ActionBar.TabListener {
62    private static final String TAG = "AllInOneActivity";
63    private static final boolean DEBUG = false;
64    private static final long INITIAL_HEAP_SIZE = 4*1024*1024;
65    private static final String BUNDLE_KEY_RESTORE_TIME = "key_restore_time";
66    private static final String BUNDLE_KEY_RESTORE_EDIT = "key_restore_edit";
67    private static final String BUNDLE_KEY_EVENT_ID = "key_event_id";
68    private static final int HANDLER_KEY = 0;
69    private static CalendarController mController;
70    private static boolean mIsMultipane;
71    private boolean mOnSaveInstanceStateCalled = false;
72    private ContentResolver mContentResolver;
73    private int mPreviousView;
74    private int mCurrentView;
75    private boolean mPaused = true;
76    private boolean mUpdateOnResume = false;
77    private TextView mHomeTime;
78
79    // Action bar and Navigation bar (left side of Action bar)
80    private ActionBar mActionBar;
81    private ActionBar.Tab mDayTab;
82    private ActionBar.Tab mWeekTab;
83    private ActionBar.Tab mMonthTab;
84
85    private Runnable mHomeTimeUpdater = new Runnable() {
86        @Override
87        public void run() {
88            updateHomeClock();
89        }
90    };
91
92    // Create an observer so that we can update the views whenever a
93    // Calendar event changes.
94    private ContentObserver mObserver = new ContentObserver(new Handler()) {
95        @Override
96        public boolean deliverSelfNotifications() {
97            return true;
98        }
99
100        @Override
101        public void onChange(boolean selfChange) {
102            eventsChanged();
103        }
104    };
105
106    @Override
107    protected void onCreate(Bundle icicle) {
108        super.onCreate(icicle);
109
110        // This needs to be created before setContentView
111        mController = CalendarController.getInstance(this);
112        // Get time from intent or icicle
113        long timeMillis;
114        if (icicle != null) {
115            timeMillis = icicle.getLong(BUNDLE_KEY_RESTORE_TIME);
116        } else {
117            timeMillis = Utils.timeFromIntentInMillis(getIntent());
118        }
119        boolean restoreEdit = icicle != null ? icicle.getBoolean(BUNDLE_KEY_RESTORE_EDIT, false)
120                : false;
121        int viewType;
122        if (restoreEdit) {
123            viewType = ViewType.EDIT;
124        } else {
125            viewType = Utils.getViewTypeFromIntentAndSharedPref(this);
126        }
127        Time t = new Time();
128        t.set(timeMillis);
129
130        if (icicle != null && getIntent() != null) {
131            Log.d(TAG, "both, icicle:" + icicle.toString() + "  intent:" + getIntent().toString());
132        } else {
133            Log.d(TAG, "not both, icicle:" + icicle + " intent:" + getIntent());
134        }
135
136        mIsMultipane = (getResources().getConfiguration().screenLayout
137                & Configuration.SCREENLAYOUT_SIZE_XLARGE) != 0;
138
139        // setContentView must be called before configureActionBar
140        setContentView(R.layout.all_in_one);
141        // configureActionBar auto-selects the first tab you add, so we need to
142        // call it before we set up our own fragments to make sure it doesn't
143        // overwrite us
144        configureActionBar();
145
146        // Must be the first to register because this activity can modify the
147        // list of event handlers in it's handle method. This affects who the
148        // rest of the handlers the controller dispatches to are.
149        mController.registerEventHandler(HANDLER_KEY, this);
150
151        mHomeTime = (TextView) findViewById(R.id.home_time);
152
153        initFragments(timeMillis, viewType, icicle);
154
155
156        // Listen for changes that would require this to be refreshed
157        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
158        prefs.registerOnSharedPreferenceChangeListener(this);
159
160        mContentResolver = getContentResolver();
161    }
162
163    private void configureActionBar() {
164        mActionBar = getActionBar();
165        mActionBar.setTabNavigationMode();
166        if (mActionBar == null) {
167            Log.w(TAG, "ActionBar is null.");
168        } else {
169            mDayTab = mActionBar.newTab();
170            mDayTab.setText(getString(R.string.day_view));
171            mDayTab.setTabListener(this);
172            mActionBar.addTab(mDayTab);
173            mWeekTab = mActionBar.newTab();
174            mWeekTab.setText(getString(R.string.week_view));
175            mWeekTab.setTabListener(this);
176            mActionBar.addTab(mWeekTab);
177            mMonthTab = mActionBar.newTab();
178            mMonthTab.setText(getString(R.string.month_view));
179            mMonthTab.setTabListener(this);
180            mActionBar.addTab(mMonthTab);
181        }
182    }
183
184    @Override
185    protected void onResume() {
186        super.onResume();
187        mContentResolver.registerContentObserver(Calendar.Events.CONTENT_URI, true, mObserver);
188        if (mUpdateOnResume) {
189            initFragments(mController.getTime(), mController.getViewType(), null);
190            mUpdateOnResume = false;
191        }
192        updateHomeClock();
193        mPaused = false;
194        mOnSaveInstanceStateCalled = false;
195    }
196
197    @Override
198    protected void onPause() {
199        super.onPause();
200        mPaused = true;
201        mHomeTime.removeCallbacks(mHomeTimeUpdater);
202        mContentResolver.unregisterContentObserver(mObserver);
203        if (isFinishing()) {
204            // Stop listening for changes that would require this to be refreshed
205            SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
206            prefs.unregisterOnSharedPreferenceChangeListener(this);
207        }
208        // FRAG_TODO save highlighted days of the week;
209        if (mController.getViewType() != ViewType.EDIT) {
210            Utils.setDefaultView(this, mController.getViewType());
211        }
212    }
213
214    @Override
215    protected void onUserLeaveHint() {
216        mController.sendEvent(this, EventType.USER_HOME, null, null, -1, ViewType.CURRENT);
217        super.onUserLeaveHint();
218    }
219
220    @Override
221    public void onSaveInstanceState(Bundle outState) {
222        mOnSaveInstanceStateCalled = true;
223        super.onSaveInstanceState(outState);
224
225        outState.putLong(BUNDLE_KEY_RESTORE_TIME, mController.getTime());
226        if (mCurrentView == ViewType.EDIT) {
227            outState.putBoolean(BUNDLE_KEY_RESTORE_EDIT, true);
228            outState.putLong(BUNDLE_KEY_EVENT_ID, mController.getEventId());
229        }
230    }
231
232    @Override
233    protected void onDestroy() {
234        super.onDestroy();
235
236        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
237        prefs.unregisterOnSharedPreferenceChangeListener(this);
238        CalendarController.removeInstance(this);
239    }
240
241    private void initFragments(long timeMillis, int viewType, Bundle icicle) {
242        FragmentTransaction ft = getFragmentManager().openTransaction();
243
244        if (mIsMultipane) {
245            View miniMonth = findViewById(R.id.mini_month);
246            Fragment miniMonthFrag = new MonthByWeekFragment(true); //new MonthFragment(false, timeMillis, true);
247            ft.replace(R.id.mini_month, miniMonthFrag);
248            mController.registerEventHandler(R.id.mini_month, (EventHandler) miniMonthFrag);
249
250            Fragment selectCalendarsFrag = new SelectCalendarsFragment();
251            ft.replace(R.id.calendar_list, selectCalendarsFrag);
252        }
253        if (!mIsMultipane || viewType == ViewType.EDIT) {
254            findViewById(R.id.mini_month).setVisibility(View.GONE);
255            findViewById(R.id.calendar_list).setVisibility(View.GONE);
256        }
257
258        EventInfo info = null;
259        if (viewType == ViewType.EDIT) {
260            mPreviousView = GeneralPreferences.getSharedPreferences(this).getInt(
261                    GeneralPreferences.KEY_START_VIEW, GeneralPreferences.DEFAULT_START_VIEW);
262
263            long eventId = -1;
264            Intent intent = getIntent();
265            Uri data = intent.getData();
266            if (data != null) {
267                try {
268                    eventId = Long.parseLong(data.getLastPathSegment());
269                } catch (NumberFormatException e) {
270                    if (DEBUG) {
271                        Log.d(TAG, "Create new event");
272                    }
273                }
274            } else if (icicle != null && icicle.containsKey(BUNDLE_KEY_EVENT_ID)) {
275                eventId = icicle.getLong(BUNDLE_KEY_EVENT_ID);
276            }
277
278            long begin = intent.getLongExtra(EVENT_BEGIN_TIME, -1);
279            long end = intent.getLongExtra(EVENT_END_TIME, -1);
280            info = new EventInfo();
281            if (end != -1) {
282                info.endTime = new Time();
283                info.endTime.set(end);
284            }
285            if (begin != -1) {
286                info.startTime = new Time();
287                info.startTime.set(begin);
288            }
289            info.id = eventId;
290            // We set the viewtype so if the user presses back when they are
291            // done editing the controller knows we were in the Edit Event
292            // screen. Likewise for eventId
293            mController.setViewType(viewType);
294            mController.setEventId(eventId);
295        } else {
296            mPreviousView = viewType;
297        }
298        setMainPane(ft, R.id.main_pane, viewType, timeMillis, true, info);
299
300        ft.commit(); // this needs to be after setMainPane()
301
302        Time t = new Time();
303        t.set(timeMillis);
304        if (viewType != ViewType.EDIT) {
305            mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
306        }
307    }
308
309    @Override
310    public void onBackPressed() {
311        if (mCurrentView == ViewType.EDIT || mCurrentView == ViewType.DETAIL) {
312            mController.sendEvent(this, EventType.GO_TO, null, null, -1, mPreviousView);
313        } else {
314            super.onBackPressed();
315        }
316    }
317
318    @Override
319    public boolean onCreateOptionsMenu(Menu menu) {
320        super.onCreateOptionsMenu(menu);
321
322        getMenuInflater().inflate(R.menu.all_in_one_title_bar, menu);
323
324        SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
325        if (searchView != null) {
326            searchView.setIconifiedByDefault(true);
327            searchView.setOnQueryChangeListener(this);
328        }
329
330        return true;
331    }
332
333    @Override
334    public boolean onOptionsItemSelected(MenuItem item) {
335        Time t = null;
336        int viewType = ViewType.CURRENT;
337        switch (item.getItemId()) {
338            case R.id.action_refresh:
339                mController.refreshCalendars();
340                return true;
341            case R.id.action_today:
342                viewType = ViewType.CURRENT;
343                t = new Time();
344                t.setToNow();
345                break;
346            case R.id.action_create_event:
347                mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1, 0, 0, 0, 0);
348                return true;
349            case R.id.action_settings:
350                mController.sendEvent(this, EventType.LAUNCH_SETTINGS, null, null, 0, 0);
351                return true;
352            default:
353                return false;
354        }
355        mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
356        return true;
357    }
358
359    @Override
360    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
361        if (key.equals(GeneralPreferences.KEY_WEEK_START_DAY)) {
362            if (mPaused) {
363                mUpdateOnResume = true;
364            } else {
365                initFragments(mController.getTime(), mController.getViewType(), null);
366            }
367        }
368    }
369
370    private void setMainPane(FragmentTransaction ft, int viewId, int viewType, long timeMillis,
371            boolean force, EventInfo e) {
372        if (mOnSaveInstanceStateCalled) {
373            return;
374        }
375        if (!force && mCurrentView == viewType) {
376            return;
377        }
378
379        if (viewType != mCurrentView) {
380            // The rules for this previous view are different than the
381            // controller's and are used for intercepting the back button.
382            if (mCurrentView != ViewType.EDIT && mCurrentView > 0) {
383                mPreviousView = mCurrentView;
384            }
385            mCurrentView = viewType;
386        }
387        // Create new fragment
388        Fragment frag;
389        switch (viewType) {
390            case ViewType.AGENDA:
391                frag = new AgendaFragment(timeMillis);
392                break;
393            case ViewType.DAY:
394                if (mActionBar != null && (mActionBar.getSelectedTab() != mDayTab)) {
395                    mActionBar.selectTab(mDayTab);
396                }
397                frag = new DayFragment(timeMillis, 1);
398                break;
399            case ViewType.WEEK:
400                if (mActionBar != null && (mActionBar.getSelectedTab() != mWeekTab)) {
401                    mActionBar.selectTab(mWeekTab);
402                }
403                frag = new DayFragment(timeMillis, 7);
404                break;
405            case ViewType.MONTH:
406                if (mActionBar != null && (mActionBar.getSelectedTab() != mMonthTab)) {
407                    mActionBar.selectTab(mMonthTab);
408                }
409                frag = new MonthFragment(false, timeMillis, false);
410                break;
411//            case ViewType.EDIT:
412//                frag = new EditEventFragment(e, mPreviousView);
413//                break;
414            default:
415                throw new IllegalArgumentException(
416                        "Must be Agenda, Day, Week, or Month ViewType, not " + viewType);
417        }
418
419        boolean doCommit = false;
420        if (ft == null) {
421            doCommit = true;
422            ft = getFragmentManager().openTransaction();
423        }
424
425        ft.replace(viewId, frag);
426
427        if (DEBUG) {
428            Log.d(TAG, "Adding handler with viewId " + viewId + " and type " + viewType);
429        }
430        // If the key is already registered this will replace it
431        mController.registerEventHandler(viewId, (EventHandler) frag);
432
433        if (doCommit) {
434            ft.commit();
435        }
436    }
437
438    private void setTitleInActionBar(EventInfo event) {
439        if (event.eventType != EventType.GO_TO || mActionBar == null) {
440            return;
441        }
442
443        final long start = event.startTime.toMillis(false /* use isDst */);
444        final long end;
445        if (event.endTime != null) {
446            end = event.endTime.toMillis(false /* use isDst */);
447        } else {
448            end = start;
449        }
450
451        final String msg = Utils.formatDateRange(this, start, end, DateUtils.FORMAT_SHOW_DATE);
452        // TODO: add title here.
453    }
454
455    private void updateHomeClock() {
456        String tz = Utils.getTimeZone(this, mHomeTimeUpdater);
457        if (mIsMultipane && (mCurrentView == ViewType.DAY || mCurrentView == ViewType.WEEK)
458                && !TextUtils.equals(tz, Time.getCurrentTimezone())) {
459            Time time = new Time(tz);
460            time.setToNow();
461            long millis = time.toMillis(true);
462            boolean isDST = time.isDst != 0;
463            int flags = DateUtils.FORMAT_SHOW_TIME;
464            if (DateFormat.is24HourFormat(this)) {
465                flags |= DateUtils.FORMAT_24HOUR;
466            }
467            // Formats the time as
468            String timeString =
469                    (new StringBuilder(Utils.formatDateRange(this, millis, millis, flags)))
470                    .append(" ").append(TimeZone.getTimeZone(tz).getDisplayName(
471                            isDST, TimeZone.SHORT, Locale.getDefault()))
472                    .toString();
473            mHomeTime.setText(timeString);
474            mHomeTime.setVisibility(View.VISIBLE);
475            // Update when the minute changes
476            mHomeTime.postDelayed(
477                    mHomeTimeUpdater,
478                    DateUtils.MINUTE_IN_MILLIS - (millis % DateUtils.MINUTE_IN_MILLIS));
479        } else {
480            mHomeTime.setVisibility(View.GONE);
481        }
482    }
483
484    @Override
485    public long getSupportedEventTypes() {
486        return EventType.GO_TO | EventType.VIEW_EVENT;
487    }
488
489    @Override
490    public void handleEvent(EventInfo event) {
491        if (event.eventType == EventType.GO_TO) {
492            // Set title bar
493            // TODO: Currently we don't have an appropriate way to add title bar when
494            //        ActionBar is in TabNavigation mode.
495            // setTitleInActionBar(event);
496
497            setMainPane(null, R.id.main_pane, event.viewType, event.startTime.toMillis(false),
498                    false, event);
499
500            if (!mIsMultipane) {
501                return;
502            }
503            if (event.viewType == ViewType.MONTH) {
504                // hide minimonth and calendar frag
505                findViewById(R.id.mini_month).setVisibility(View.GONE);
506                findViewById(R.id.calendar_list).setVisibility(View.GONE);
507            } else {
508                // show minimonth and calendar frag
509                findViewById(R.id.mini_month).setVisibility(View.VISIBLE);
510                findViewById(R.id.calendar_list).setVisibility(View.VISIBLE);
511            }
512        } else if (event.eventType == EventType.VIEW_EVENT) {
513            EventInfoFragment fragment = new EventInfoFragment(
514                    event.id, event.startTime.toMillis(false), event.endTime.toMillis(false));
515            fragment.setDialogParams(event.x, event.y);
516            fragment.show(getFragmentManager(), "EventInfoFragment");
517        }
518        updateHomeClock();
519    }
520
521    @Override
522    public void eventsChanged() {
523        mController.sendEvent(this, EventType.EVENTS_CHANGED, null, null, -1, ViewType.CURRENT);
524    }
525
526    @Override
527    public boolean getAllDay() {
528        return false;
529    }
530
531    @Override
532    public long getSelectedTime() {
533        return 0;
534    }
535
536    @Override
537    public void goTo(Time time, boolean animate) {
538    }
539
540    @Override
541    public void goToToday() {
542    }
543
544    @Override
545    public boolean onQueryTextChanged(String newText) {
546        return false;
547    }
548
549    @Override
550    public boolean onSubmitQuery(String query) {
551        mController.sendEvent(this, EventType.SEARCH, null, null, -1, ViewType.CURRENT, query,
552                getComponentName());
553        return false;
554    }
555
556    @Override
557    public void onTabSelected(Tab tab, FragmentTransaction ft) {
558        if (tab == mDayTab && mCurrentView != ViewType.DAY) {
559            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.DAY);
560        } else if (tab == mWeekTab && mCurrentView != ViewType.WEEK) {
561            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.WEEK);
562        } else if (tab == mMonthTab && mCurrentView != ViewType.MONTH) {
563            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.MONTH);
564        } else {
565            Log.w(TAG, "TabSelected event from unknown tab: " + tab);
566        }
567    }
568
569    @Override
570    public void onTabReselected(Tab tab, FragmentTransaction ft) {
571    }
572
573    @Override
574    public void onTabUnselected(Tab tab, FragmentTransaction ft) {
575    }
576}
577