AllInOneActivity.java revision 04ae768077c6164517ecf16eae1d57fe77923dec 
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.event.EditEventFragment;
28import com.android.calendar.month.MonthByWeekFragment;
29import com.android.calendar.selectcalendars.SelectCalendarsFragment;
30
31import dalvik.system.VMRuntime;
32
33import android.app.ActionBar;
34import android.app.ActionBar.Tab;
35import android.app.ActionBar.TabListener;
36import android.app.Activity;
37import android.app.Fragment;
38import android.app.FragmentTransaction;
39import android.content.ContentResolver;
40import android.content.Intent;
41import android.content.SharedPreferences;
42import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
43import android.content.res.Configuration;
44import android.database.ContentObserver;
45import android.net.Uri;
46import android.os.Bundle;
47import android.os.Handler;
48import android.provider.Calendar;
49import android.text.TextUtils;
50import android.text.format.DateFormat;
51import android.text.format.DateUtils;
52import android.text.format.Time;
53import android.util.Log;
54import android.view.Menu;
55import android.view.MenuItem;
56import android.view.View;
57import android.widget.SearchView;
58import android.widget.TextView;
59
60import java.util.Locale;
61import java.util.TimeZone;
62
63public class AllInOneActivity extends Activity implements EventHandler,
64        OnSharedPreferenceChangeListener, SearchView.OnQueryChangeListener,
65        ActionBar.TabListener {
66    private static final String TAG = "AllInOneActivity";
67    private static final boolean DEBUG = false;
68    private static final long INITIAL_HEAP_SIZE = 4*1024*1024;
69    private static final String BUNDLE_KEY_RESTORE_TIME = "key_restore_time";
70    private static final String BUNDLE_KEY_RESTORE_EDIT = "key_restore_edit";
71    private static final String BUNDLE_KEY_EVENT_ID = "key_event_id";
72    private static final int HANDLER_KEY = 0;
73    private static CalendarController mController;
74    private static boolean mIsMultipane;
75    private ContentResolver mContentResolver;
76    private int mPreviousView;
77    private int mCurrentView;
78    private boolean mPaused = true;
79    private boolean mUpdateOnResume = false;
80    private TextView mHomeTime;
81
82    // Action bar and Navigation bar (left side of Action bar)
83    private ActionBar mActionBar;
84    private ActionBar.Tab mDayTab;
85    private ActionBar.Tab mWeekTab;
86    private ActionBar.Tab mMonthTab;
87
88    private Runnable mHomeTimeUpdater = new Runnable() {
89        @Override
90        public void run() {
91            updateHomeClock();
92        }
93    };
94
95    // Create an observer so that we can update the views whenever a
96    // Calendar event changes.
97    private ContentObserver mObserver = new ContentObserver(new Handler()) {
98        @Override
99        public boolean deliverSelfNotifications() {
100            return true;
101        }
102
103        @Override
104        public void onChange(boolean selfChange) {
105            eventsChanged();
106        }
107    };
108
109    @Override
110    protected void onCreate(Bundle icicle) {
111        super.onCreate(icicle);
112
113        // Eliminate extra GCs during startup by setting the initial heap size to 4MB.
114        // TODO: We should restore the old heap size once the activity reaches the idle state
115        VMRuntime.getRuntime().setMinimumHeapSize(INITIAL_HEAP_SIZE);
116
117        // This needs to be created before setContentView
118        mController = CalendarController.getInstance(this);
119        // Get time from intent or icicle
120        long timeMillis;
121        if (icicle != null) {
122            timeMillis = icicle.getLong(BUNDLE_KEY_RESTORE_TIME);
123        } else {
124            timeMillis = Utils.timeFromIntentInMillis(getIntent());
125        }
126        boolean restoreEdit = icicle != null ? icicle.getBoolean(BUNDLE_KEY_RESTORE_EDIT, false)
127                : false;
128        int viewType;
129        if (restoreEdit) {
130            viewType = ViewType.EDIT;
131        } else {
132            viewType = Utils.getViewTypeFromIntentAndSharedPref(this);
133        }
134        Time t = new Time();
135        t.set(timeMillis);
136
137        if (icicle != null && getIntent() != null) {
138            Log.d(TAG, "both, icicle:" + icicle.toString() + "  intent:" + getIntent().toString());
139        } else {
140            Log.d(TAG, "not both, icicle:" + icicle + " intent:" + getIntent());
141        }
142
143        mIsMultipane = (getResources().getConfiguration().screenLayout
144                & Configuration.SCREENLAYOUT_SIZE_XLARGE) != 0;
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        setContentView(R.layout.all_in_one);
152        mHomeTime = (TextView) findViewById(R.id.home_time);
153
154        initFragments(timeMillis, viewType, icicle);
155
156
157        // Listen for changes that would require this to be refreshed
158        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
159        prefs.registerOnSharedPreferenceChangeListener(this);
160
161        mContentResolver = getContentResolver();
162
163        mActionBar = getActionBar();
164        mActionBar.setTabNavigationMode();
165        if (mActionBar == null) {
166            Log.w(TAG, "ActionBar is null.");
167        } else {
168            mDayTab = mActionBar.newTab();
169            mDayTab.setText(getString(R.string.day_view));
170            mDayTab.setTabListener(this);
171            mActionBar.addTab(mDayTab);
172            mWeekTab = mActionBar.newTab();
173            mWeekTab.setText(getString(R.string.week_view));
174            mWeekTab.setTabListener(this);
175            mActionBar.addTab(mWeekTab);
176            mMonthTab = mActionBar.newTab();
177            mMonthTab.setText(getString(R.string.month_view));
178            mMonthTab.setTabListener(this);
179            mActionBar.addTab(mMonthTab);
180        }
181    }
182
183    @Override
184    protected void onResume() {
185        super.onResume();
186        mContentResolver.registerContentObserver(Calendar.Events.CONTENT_URI, true, mObserver);
187        if (mUpdateOnResume) {
188            initFragments(mController.getTime(), mController.getViewType(), null);
189            mUpdateOnResume = false;
190        }
191        updateHomeClock();
192        mPaused = false;
193    }
194
195    @Override
196    protected void onPause() {
197        super.onPause();
198        mPaused = true;
199        mHomeTime.removeCallbacks(mHomeTimeUpdater);
200        mContentResolver.unregisterContentObserver(mObserver);
201        if (isFinishing()) {
202            // Stop listening for changes that would require this to be refreshed
203            SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
204            prefs.unregisterOnSharedPreferenceChangeListener(this);
205        }
206        // FRAG_TODO save highlighted days of the week;
207        if (mController.getViewType() != ViewType.EDIT) {
208            Utils.setDefaultView(this, mController.getViewType());
209        }
210    }
211
212    @Override
213    protected void onUserLeaveHint() {
214        mController.sendEvent(this, EventType.USER_HOME, null, null, -1, ViewType.CURRENT);
215        super.onUserLeaveHint();
216    }
217
218    @Override
219    public void onSaveInstanceState(Bundle outState) {
220        super.onSaveInstanceState(outState);
221
222        outState.putLong(BUNDLE_KEY_RESTORE_TIME, mController.getTime());
223        if (mCurrentView == ViewType.EDIT) {
224            outState.putBoolean(BUNDLE_KEY_RESTORE_EDIT, true);
225            outState.putLong(BUNDLE_KEY_EVENT_ID, mController.getEventId());
226        }
227    }
228
229    @Override
230    protected void onDestroy() {
231        super.onDestroy();
232
233        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
234        prefs.unregisterOnSharedPreferenceChangeListener(this);
235        CalendarController.removeInstance(this);
236    }
237
238    private void initFragments(long timeMillis, int viewType, Bundle icicle) {
239        FragmentTransaction ft = getFragmentManager().openTransaction();
240
241        if (mIsMultipane) {
242            View miniMonth = findViewById(R.id.mini_month);
243            Fragment miniMonthFrag = new MonthByWeekFragment(true); //new MonthFragment(false, timeMillis, true);
244            ft.replace(R.id.mini_month, miniMonthFrag);
245            mController.registerEventHandler(R.id.mini_month, (EventHandler) miniMonthFrag);
246
247            Fragment selectCalendarsFrag = new SelectCalendarsFragment();
248            ft.replace(R.id.calendar_list, selectCalendarsFrag);
249        }
250        if (!mIsMultipane || viewType == ViewType.EDIT) {
251            findViewById(R.id.mini_month).setVisibility(View.GONE);
252            findViewById(R.id.calendar_list).setVisibility(View.GONE);
253        }
254
255        EventInfo info = null;
256        if (viewType == ViewType.EDIT) {
257            mPreviousView = GeneralPreferences.getSharedPreferences(this).getInt(
258                    GeneralPreferences.KEY_START_VIEW, GeneralPreferences.DEFAULT_START_VIEW);
259
260            long eventId = -1;
261            Intent intent = getIntent();
262            Uri data = intent.getData();
263            if (data != null) {
264                try {
265                    eventId = Long.parseLong(data.getLastPathSegment());
266                } catch (NumberFormatException e) {
267                    if (DEBUG) {
268                        Log.d(TAG, "Create new event");
269                    }
270                }
271            } else if (icicle != null && icicle.containsKey(BUNDLE_KEY_EVENT_ID)) {
272                eventId = icicle.getLong(BUNDLE_KEY_EVENT_ID);
273            }
274
275            long begin = intent.getLongExtra(EVENT_BEGIN_TIME, -1);
276            long end = intent.getLongExtra(EVENT_END_TIME, -1);
277            info = new EventInfo();
278            if (end != -1) {
279                info.endTime = new Time();
280                info.endTime.set(end);
281            }
282            if (begin != -1) {
283                info.startTime = new Time();
284                info.startTime.set(begin);
285            }
286            info.id = eventId;
287            // We set the viewtype so if the user presses back when they are
288            // done editing the controller knows we were in the Edit Event
289            // screen. Likewise for eventId
290            mController.setViewType(viewType);
291            mController.setEventId(eventId);
292        } else {
293            mPreviousView = viewType;
294        }
295        setMainPane(ft, R.id.main_pane, viewType, timeMillis, true, info);
296
297        ft.commit(); // this needs to be after setMainPane()
298
299        Time t = new Time();
300        t.set(timeMillis);
301        if (viewType != ViewType.EDIT) {
302            mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
303        }
304    }
305
306    @Override
307    public void onBackPressed() {
308        if (mPreviousView == mCurrentView) {
309            super.onBackPressed();
310        } else {
311            mController.sendEvent(this, EventType.GO_TO, null, null, -1, mPreviousView);
312        }
313    }
314
315    @Override
316    public boolean onCreateOptionsMenu(Menu menu) {
317        super.onCreateOptionsMenu(menu);
318
319        getMenuInflater().inflate(R.menu.all_in_one_title_bar, menu);
320
321        SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
322        searchView.setIconifiedByDefault(true);
323        searchView.setOnQueryChangeListener(this);
324
325        return true;
326    }
327
328    @Override
329    public boolean onOptionsItemSelected(MenuItem item) {
330        Time t = null;
331        int viewType = ViewType.CURRENT;
332        switch (item.getItemId()) {
333            case R.id.action_refresh:
334                mController.refreshCalendars();
335                return true;
336            case R.id.action_today:
337                viewType = ViewType.CURRENT;
338                t = new Time();
339                t.setToNow();
340                break;
341            case R.id.action_create_event:
342                mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1, 0, 0, 0, 0);
343                return true;
344            case R.id.action_settings:
345                mController.sendEvent(this, EventType.LAUNCH_SETTINGS, null, null, 0, 0);
346                return true;
347            default:
348                return false;
349        }
350        mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
351        return true;
352    }
353
354    @Override
355    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
356        if (key.equals(GeneralPreferences.KEY_WEEK_START_DAY)) {
357            if (mPaused) {
358                mUpdateOnResume = true;
359            } else {
360                initFragments(mController.getTime(), mController.getViewType(), null);
361            }
362        }
363    }
364
365    private void setMainPane(FragmentTransaction ft, int viewId, int viewType, long timeMillis,
366            boolean force, EventInfo e) {
367        if (!force && mCurrentView == viewType) {
368            return;
369        }
370
371        if (viewType != mCurrentView) {
372            // The rules for this previous view are different than the
373            // controller's and are used for intercepting the back button.
374            if (mCurrentView != ViewType.EDIT && mCurrentView > 0) {
375                mPreviousView = mCurrentView;
376            }
377            mCurrentView = viewType;
378        }
379        // Create new fragment
380        Fragment frag;
381        switch (viewType) {
382            case ViewType.AGENDA:
383                frag = new AgendaFragment(timeMillis);
384                break;
385            case ViewType.DAY:
386                frag = new DayFragment(timeMillis, 1);
387                break;
388            case ViewType.WEEK:
389                frag = new DayFragment(timeMillis, 7);
390                break;
391            case ViewType.MONTH:
392                frag = new MonthFragment(false, timeMillis, false);
393                break;
394            case ViewType.EDIT:
395                frag = new EditEventFragment(e, mPreviousView);
396                break;
397            default:
398                throw new IllegalArgumentException(
399                        "Must be Agenda, Day, Week, or Month ViewType, not " + viewType);
400        }
401
402        boolean doCommit = false;
403        if (ft == null) {
404            doCommit = true;
405            ft = getFragmentManager().openTransaction();
406        }
407
408        ft.replace(viewId, frag);
409        if (DEBUG) {
410            Log.d(TAG, "Adding handler with viewId " + viewId + " and type " + viewType);
411        }
412        // If the key is already registered this will replace it
413        mController.registerEventHandler(viewId, (EventHandler) frag);
414
415        if (doCommit) {
416            ft.commit();
417        }
418    }
419
420    private void setTitleInActionBar(EventInfo event) {
421        if (event.eventType != EventType.GO_TO || mActionBar == null) {
422            return;
423        }
424
425        final long start = event.startTime.toMillis(false /* use isDst */);
426        final long end;
427        if (event.endTime != null) {
428            end = event.endTime.toMillis(false /* use isDst */);
429        } else {
430            end = start;
431        }
432
433        final String msg = Utils.formatDateRange(this, start, end, DateUtils.FORMAT_SHOW_DATE);
434        // TODO: add title here.
435    }
436
437    private void updateHomeClock() {
438        String tz = Utils.getTimeZone(this, mHomeTimeUpdater);
439        if (mIsMultipane && (mCurrentView == ViewType.DAY || mCurrentView == ViewType.WEEK)
440                && !TextUtils.equals(tz, Time.getCurrentTimezone())) {
441            Time time = new Time(tz);
442            time.setToNow();
443            long millis = time.toMillis(true);
444            boolean isDST = time.isDst != 0;
445            int flags = DateUtils.FORMAT_SHOW_TIME;
446            if (DateFormat.is24HourFormat(this)) {
447                flags |= DateUtils.FORMAT_24HOUR;
448            }
449            // Formats the time as
450            String timeString =
451                    (new StringBuilder(Utils.formatDateRange(this, millis, millis, flags)))
452                    .append(" ").append(TimeZone.getTimeZone(tz).getDisplayName(
453                            isDST, TimeZone.SHORT, Locale.getDefault()))
454                    .toString();
455            mHomeTime.setText(timeString);
456            mHomeTime.setVisibility(View.VISIBLE);
457            // Update when the minute changes
458            mHomeTime.postDelayed(
459                    mHomeTimeUpdater,
460                    DateUtils.MINUTE_IN_MILLIS - (millis % DateUtils.MINUTE_IN_MILLIS));
461        } else {
462            mHomeTime.setVisibility(View.GONE);
463        }
464    }
465
466    @Override
467    public long getSupportedEventTypes() {
468        return EventType.GO_TO | EventType.VIEW_EVENT | EventType.EDIT_EVENT
469                | EventType.CREATE_EVENT;
470    }
471
472    @Override
473    public void handleEvent(EventInfo event) {
474        if (event.eventType == EventType.GO_TO) {
475            if (mCurrentView == ViewType.EDIT) {
476                // If we are leaving the edit view ping it so it has a chance to
477                // save if it needs to
478                EventHandler editHandler = (EventHandler) getFragmentManager().findFragmentById(
479                        R.id.main_pane);
480                editHandler.handleEvent(event);
481            }
482
483            // Set title bar
484            // TODO: Currently we don't have an appropriate way to add title bar when
485            //        ActionBar is in TabNavigation mode.
486            // setTitleInActionBar(event);
487
488            setMainPane(null, R.id.main_pane, event.viewType, event.startTime.toMillis(false),
489                    false, event);
490
491            if (!mIsMultipane) {
492                return;
493            }
494            if (event.viewType == ViewType.MONTH) {
495                // hide minimonth and calendar frag
496                findViewById(R.id.mini_month).setVisibility(View.GONE);
497                findViewById(R.id.calendar_list).setVisibility(View.GONE);
498            } else {
499                // show minimonth and calendar frag
500                findViewById(R.id.mini_month).setVisibility(View.VISIBLE);
501                findViewById(R.id.calendar_list).setVisibility(View.VISIBLE);
502            }
503        } else if (event.eventType == EventType.VIEW_EVENT) {
504            EventInfoFragment fragment = new EventInfoFragment(
505                    event.id, event.startTime.toMillis(false), event.endTime.toMillis(false));
506            fragment.setDialogParams(event.x, event.y);
507            fragment.show(getFragmentManager(), "EventInfoFragment");
508        } else if (event.eventType == EventType.EDIT_EVENT
509                || event.eventType == EventType.CREATE_EVENT) {
510            setMainPane(null, R.id.main_pane, ViewType.EDIT, -1, true, event);
511            // hide minimonth and calendar frag
512            findViewById(R.id.mini_month).setVisibility(View.GONE);
513            findViewById(R.id.calendar_list).setVisibility(View.GONE);
514        }
515        updateHomeClock();
516    }
517
518    @Override
519    public void eventsChanged() {
520        mController.sendEvent(this, EventType.EVENTS_CHANGED, null, null, -1, ViewType.CURRENT);
521    }
522
523    @Override
524    public boolean getAllDay() {
525        return false;
526    }
527
528    @Override
529    public long getSelectedTime() {
530        return 0;
531    }
532
533    @Override
534    public void goTo(Time time, boolean animate) {
535    }
536
537    @Override
538    public void goToToday() {
539    }
540
541    @Override
542    public boolean onQueryTextChanged(String newText) {
543        return false;
544    }
545
546    @Override
547    public boolean onSubmitQuery(String query) {
548        mController.sendEvent(this, EventType.SEARCH, null, null, -1, ViewType.CURRENT, query,
549                getComponentName());
550        return false;
551    }
552
553    @Override
554    public void onTabSelected(Tab tab, FragmentTransaction ft) {
555        if (tab == mDayTab) {
556            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.DAY);
557        } else if (tab == mWeekTab) {
558            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.WEEK);
559        } else if (tab == mMonthTab) {
560            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.MONTH);
561        } else {
562            Log.w(TAG, "TabSelected event from unknown tab: " + tab);
563        }
564    }
565
566    @Override
567    public void onTabReselected(Tab tab, FragmentTransaction ft) {
568    }
569
570    @Override
571    public void onTabUnselected(Tab tab, FragmentTransaction ft) {
572    }
573}
574