AllInOneActivity.java revision deced8999da73effe4133e2317c262fea7910090 
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;
21import static android.provider.Calendar.AttendeesColumns.ATTENDEE_STATUS;
22
23import com.android.calendar.CalendarController.EventHandler;
24import com.android.calendar.CalendarController.EventInfo;
25import com.android.calendar.CalendarController.EventType;
26import com.android.calendar.CalendarController.ViewType;
27import com.android.calendar.agenda.AgendaFragment;
28import com.android.calendar.month.MonthByWeekFragment;
29import com.android.calendar.selectcalendars.SelectCalendarsFragment;
30
31import android.app.ActionBar;
32import android.app.ActionBar.Tab;
33import android.app.Activity;
34import android.app.Fragment;
35import android.app.FragmentTransaction;
36import android.content.ContentResolver;
37import android.content.Intent;
38import android.content.SharedPreferences;
39import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
40import android.content.res.Configuration;
41import android.database.ContentObserver;
42import android.net.Uri;
43import android.os.Bundle;
44import android.os.Handler;
45import android.provider.Calendar;
46import android.text.TextUtils;
47import android.text.format.DateFormat;
48import android.text.format.DateUtils;
49import android.text.format.Time;
50import android.util.Log;
51import android.view.Menu;
52import android.view.MenuItem;
53import android.view.View;
54import android.widget.SearchView;
55import android.widget.TextView;
56
57import java.util.List;
58import java.util.Locale;
59import java.util.TimeZone;
60
61public class AllInOneActivity extends Activity implements EventHandler,
62        OnSharedPreferenceChangeListener, SearchView.OnQueryChangeListener,
63        ActionBar.TabListener {
64    private static final String TAG = "AllInOneActivity";
65    private static final boolean DEBUG = false;
66    private static final long INITIAL_HEAP_SIZE = 4*1024*1024;
67    private static final String BUNDLE_KEY_RESTORE_TIME = "key_restore_time";
68    private static final String BUNDLE_KEY_RESTORE_EDIT = "key_restore_edit";
69    private static final String BUNDLE_KEY_EVENT_ID = "key_event_id";
70    private static final int HANDLER_KEY = 0;
71    private static CalendarController mController;
72    private static boolean mIsMultipane;
73    private boolean mOnSaveInstanceStateCalled = false;
74    private ContentResolver mContentResolver;
75    private int mPreviousView;
76    private int mCurrentView;
77    private boolean mPaused = true;
78    private boolean mUpdateOnResume = false;
79    private TextView mHomeTime;
80    private String mTimeZone;
81
82    private long mViewEventId = -1;
83    private long mIntentEventStartMillis = -1;
84    private long mIntentEventEndMillis = -1;
85    private int mIntentAttendeeResponse = CalendarController.ATTENDEE_NO_RESPONSE;
86
87    // Action bar and Navigation bar (left side of Action bar)
88    private ActionBar mActionBar;
89    private ActionBar.Tab mDayTab;
90    private ActionBar.Tab mWeekTab;
91    private ActionBar.Tab mMonthTab;
92
93    private Runnable mHomeTimeUpdater = new Runnable() {
94        @Override
95        public void run() {
96            updateHomeClock();
97        }
98    };
99
100    // Create an observer so that we can update the views whenever a
101    // Calendar event changes.
102    private ContentObserver mObserver = new ContentObserver(new Handler()) {
103        @Override
104        public boolean deliverSelfNotifications() {
105            return true;
106        }
107
108        @Override
109        public void onChange(boolean selfChange) {
110            eventsChanged();
111        }
112    };
113
114    @Override
115    protected void onCreate(Bundle icicle) {
116//        setTheme(R.style.CalendarTheme_WithActionBarWallpaper);
117        super.onCreate(icicle);
118
119        // This needs to be created before setContentView
120        mController = CalendarController.getInstance(this);
121        // Get time from intent or icicle
122        long timeMillis = -1;
123        int viewType = -1;
124        boolean restoreEdit = false;
125        final Intent intent = getIntent();
126        if (icicle != null) {
127            timeMillis = icicle.getLong(BUNDLE_KEY_RESTORE_TIME);
128            restoreEdit = icicle.getBoolean(BUNDLE_KEY_RESTORE_EDIT, false);
129            viewType = ViewType.EDIT;
130        } else {
131            String action = intent.getAction();
132            if (Intent.ACTION_VIEW.equals(action)) {
133                // Open EventInfo later
134                timeMillis = parseViewAction(intent);
135            }
136
137            if (timeMillis == -1) {
138                timeMillis = Utils.timeFromIntentInMillis(intent);
139            }
140        }
141
142        if (!restoreEdit) {
143            viewType = Utils.getViewTypeFromIntentAndSharedPref(this);
144        }
145        mTimeZone = Utils.getTimeZone(this, mHomeTimeUpdater);
146        Time t = new Time(mTimeZone);
147        t.set(timeMillis);
148
149        if (icicle != null && intent != null) {
150            Log.d(TAG, "both, icicle:" + icicle.toString() + "  intent:" + intent.toString());
151        } else {
152            Log.d(TAG, "not both, icicle:" + icicle + " intent:" + intent);
153        }
154
155        mIsMultipane = (getResources().getConfiguration().screenLayout
156                & Configuration.SCREENLAYOUT_SIZE_XLARGE) != 0;
157
158        // setContentView must be called before configureActionBar
159        setContentView(R.layout.all_in_one);
160        // configureActionBar auto-selects the first tab you add, so we need to
161        // call it before we set up our own fragments to make sure it doesn't
162        // overwrite us
163        configureActionBar();
164
165        // Must be the first to register because this activity can modify the
166        // list of event handlers in it's handle method. This affects who the
167        // rest of the handlers the controller dispatches to are.
168        mController.registerEventHandler(HANDLER_KEY, this);
169
170        mHomeTime = (TextView) findViewById(R.id.home_time);
171
172        initFragments(timeMillis, viewType, icicle);
173
174
175        // Listen for changes that would require this to be refreshed
176        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
177        prefs.registerOnSharedPreferenceChangeListener(this);
178
179        mContentResolver = getContentResolver();
180    }
181
182    private long parseViewAction(final Intent intent) {
183        long timeMillis = -1;
184        Uri data = intent.getData();
185        if (data != null && data.isHierarchical()) {
186            List<String> path = data.getPathSegments();
187            if (path.size() == 2 && path.get(0).equals("events")) {
188                try {
189                    mViewEventId = Long.valueOf(data.getLastPathSegment());
190                    if(mViewEventId != -1) {
191                        mIntentEventStartMillis = intent.getLongExtra(EVENT_BEGIN_TIME, 0);
192                        mIntentEventEndMillis = intent.getLongExtra(EVENT_END_TIME, 0);
193                        mIntentAttendeeResponse = intent.getIntExtra(
194                                ATTENDEE_STATUS, CalendarController.ATTENDEE_NO_RESPONSE);
195                        timeMillis = mIntentEventStartMillis;
196                    }
197                } catch (NumberFormatException e) {
198                    // Ignore if mViewEventId can't be parsed
199                }
200            }
201        }
202        return timeMillis;
203    }
204
205    private void configureActionBar() {
206        mActionBar = getActionBar();
207        mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
208        if (mActionBar == null) {
209            Log.w(TAG, "ActionBar is null.");
210        } else {
211            mDayTab = mActionBar.newTab();
212            mDayTab.setText(getString(R.string.day_view));
213            mDayTab.setTabListener(this);
214            mActionBar.addTab(mDayTab);
215            mWeekTab = mActionBar.newTab();
216            mWeekTab.setText(getString(R.string.week_view));
217            mWeekTab.setTabListener(this);
218            mActionBar.addTab(mWeekTab);
219            mMonthTab = mActionBar.newTab();
220            mMonthTab.setText(getString(R.string.month_view));
221            mMonthTab.setTabListener(this);
222            mActionBar.addTab(mMonthTab);
223        }
224    }
225
226    @Override
227    protected void onResume() {
228        super.onResume();
229        mContentResolver.registerContentObserver(Calendar.Events.CONTENT_URI, true, mObserver);
230        if (mUpdateOnResume) {
231            initFragments(mController.getTime(), mController.getViewType(), null);
232            mUpdateOnResume = false;
233        }
234        updateHomeClock();
235        mPaused = false;
236        mOnSaveInstanceStateCalled = false;
237
238        if (mViewEventId != -1 && mIntentEventStartMillis != -1 && mIntentEventEndMillis != -1) {
239            mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, mViewEventId,
240                    mIntentEventStartMillis, mIntentEventEndMillis, -1, -1,
241                    mIntentAttendeeResponse);
242            mViewEventId = -1;
243            mIntentEventStartMillis = -1;
244            mIntentEventEndMillis = -1;
245        }
246    }
247
248    @Override
249    protected void onPause() {
250        super.onPause();
251        mPaused = true;
252        mHomeTime.removeCallbacks(mHomeTimeUpdater);
253        mContentResolver.unregisterContentObserver(mObserver);
254        if (isFinishing()) {
255            // Stop listening for changes that would require this to be refreshed
256            SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
257            prefs.unregisterOnSharedPreferenceChangeListener(this);
258        }
259        // FRAG_TODO save highlighted days of the week;
260        if (mController.getViewType() != ViewType.EDIT) {
261            Utils.setDefaultView(this, mController.getViewType());
262        }
263    }
264
265    @Override
266    protected void onUserLeaveHint() {
267        mController.sendEvent(this, EventType.USER_HOME, null, null, -1, ViewType.CURRENT);
268        super.onUserLeaveHint();
269    }
270
271    @Override
272    public void onSaveInstanceState(Bundle outState) {
273        mOnSaveInstanceStateCalled = true;
274        super.onSaveInstanceState(outState);
275
276        outState.putLong(BUNDLE_KEY_RESTORE_TIME, mController.getTime());
277        if (mCurrentView == ViewType.EDIT) {
278            outState.putBoolean(BUNDLE_KEY_RESTORE_EDIT, true);
279            outState.putLong(BUNDLE_KEY_EVENT_ID, mController.getEventId());
280        }
281    }
282
283    @Override
284    protected void onDestroy() {
285        super.onDestroy();
286
287        SharedPreferences prefs = GeneralPreferences.getSharedPreferences(this);
288        prefs.unregisterOnSharedPreferenceChangeListener(this);
289        CalendarController.removeInstance(this);
290    }
291
292    private void initFragments(long timeMillis, int viewType, Bundle icicle) {
293        FragmentTransaction ft = getFragmentManager().openTransaction();
294
295        if (mIsMultipane) {
296            Fragment miniMonthFrag = new MonthByWeekFragment(timeMillis, true);
297            ft.replace(R.id.mini_month, miniMonthFrag);
298            mController.registerEventHandler(R.id.mini_month, (EventHandler) miniMonthFrag);
299
300            Fragment selectCalendarsFrag = new SelectCalendarsFragment();
301            ft.replace(R.id.calendar_list, selectCalendarsFrag);
302        }
303        if (!mIsMultipane || viewType == ViewType.EDIT) {
304            findViewById(R.id.mini_month).setVisibility(View.GONE);
305            findViewById(R.id.calendar_list).setVisibility(View.GONE);
306        }
307
308        EventInfo info = null;
309        if (viewType == ViewType.EDIT) {
310            mPreviousView = GeneralPreferences.getSharedPreferences(this).getInt(
311                    GeneralPreferences.KEY_START_VIEW, GeneralPreferences.DEFAULT_START_VIEW);
312
313            long eventId = -1;
314            Intent intent = getIntent();
315            Uri data = intent.getData();
316            if (data != null) {
317                try {
318                    eventId = Long.parseLong(data.getLastPathSegment());
319                } catch (NumberFormatException e) {
320                    if (DEBUG) {
321                        Log.d(TAG, "Create new event");
322                    }
323                }
324            } else if (icicle != null && icicle.containsKey(BUNDLE_KEY_EVENT_ID)) {
325                eventId = icicle.getLong(BUNDLE_KEY_EVENT_ID);
326            }
327
328            long begin = intent.getLongExtra(EVENT_BEGIN_TIME, -1);
329            long end = intent.getLongExtra(EVENT_END_TIME, -1);
330            info = new EventInfo();
331            if (end != -1) {
332                info.endTime = new Time();
333                info.endTime.set(end);
334            }
335            if (begin != -1) {
336                info.startTime = new Time();
337                info.startTime.set(begin);
338            }
339            info.id = eventId;
340            // We set the viewtype so if the user presses back when they are
341            // done editing the controller knows we were in the Edit Event
342            // screen. Likewise for eventId
343            mController.setViewType(viewType);
344            mController.setEventId(eventId);
345        } else {
346            mPreviousView = viewType;
347        }
348        setMainPane(ft, R.id.main_pane, viewType, timeMillis, true, info);
349
350        ft.commit(); // this needs to be after setMainPane()
351
352        Time t = new Time(mTimeZone);
353        t.set(timeMillis);
354        if (viewType != ViewType.EDIT) {
355            mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
356        }
357    }
358
359    @Override
360    public void onBackPressed() {
361        if (mCurrentView == ViewType.EDIT || mCurrentView == ViewType.DETAIL) {
362            mController.sendEvent(this, EventType.GO_TO, null, null, -1, mPreviousView);
363        } else {
364            super.onBackPressed();
365        }
366    }
367
368    @Override
369    public boolean onCreateOptionsMenu(Menu menu) {
370        super.onCreateOptionsMenu(menu);
371
372        getMenuInflater().inflate(R.menu.all_in_one_title_bar, menu);
373
374        SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
375        if (searchView != null) {
376            searchView.setIconifiedByDefault(true);
377            searchView.setOnQueryChangeListener(this);
378        }
379
380        return true;
381    }
382
383    @Override
384    public boolean onOptionsItemSelected(MenuItem item) {
385        Time t = null;
386        int viewType = ViewType.CURRENT;
387        switch (item.getItemId()) {
388            case R.id.action_refresh:
389                mController.refreshCalendars();
390                return true;
391            case R.id.action_today:
392                viewType = ViewType.CURRENT;
393                t = new Time(mTimeZone);
394                t.setToNow();
395                break;
396            case R.id.action_create_event:
397                mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1, 0, 0, 0, 0);
398                return true;
399            case R.id.action_settings:
400                mController.sendEvent(this, EventType.LAUNCH_SETTINGS, null, null, 0, 0);
401                return true;
402            default:
403                return false;
404        }
405        mController.sendEvent(this, EventType.GO_TO, t, null, -1, viewType);
406        return true;
407    }
408
409    @Override
410    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
411        if (key.equals(GeneralPreferences.KEY_WEEK_START_DAY)) {
412            if (mPaused) {
413                mUpdateOnResume = true;
414            } else {
415                initFragments(mController.getTime(), mController.getViewType(), null);
416            }
417        }
418    }
419
420    private void setMainPane(FragmentTransaction ft, int viewId, int viewType, long timeMillis,
421            boolean force, EventInfo e) {
422        if (mOnSaveInstanceStateCalled) {
423            return;
424        }
425        if (!force && mCurrentView == viewType) {
426            return;
427        }
428
429        if (viewType != mCurrentView) {
430            // The rules for this previous view are different than the
431            // controller's and are used for intercepting the back button.
432            if (mCurrentView != ViewType.EDIT && mCurrentView > 0) {
433                mPreviousView = mCurrentView;
434            }
435            mCurrentView = viewType;
436        }
437        // Create new fragment
438        Fragment frag;
439        switch (viewType) {
440            case ViewType.AGENDA:
441                frag = new AgendaFragment(timeMillis);
442                break;
443            case ViewType.DAY:
444                if (mActionBar != null && (mActionBar.getSelectedTab() != mDayTab)) {
445                    mActionBar.selectTab(mDayTab);
446                }
447                frag = new DayFragment(timeMillis, 1);
448                break;
449            case ViewType.WEEK:
450                if (mActionBar != null && (mActionBar.getSelectedTab() != mWeekTab)) {
451                    mActionBar.selectTab(mWeekTab);
452                }
453                frag = new DayFragment(timeMillis, 7);
454                break;
455            case ViewType.MONTH:
456                if (mActionBar != null && (mActionBar.getSelectedTab() != mMonthTab)) {
457                    mActionBar.selectTab(mMonthTab);
458                }
459                frag = new MonthByWeekFragment(timeMillis, false);
460                break;
461//            case ViewType.EDIT:
462//                frag = new EditEventFragment(e, mPreviousView);
463//                break;
464            default:
465                throw new IllegalArgumentException(
466                        "Must be Agenda, Day, Week, or Month ViewType, not " + viewType);
467        }
468
469        boolean doCommit = false;
470        if (ft == null) {
471            doCommit = true;
472            ft = getFragmentManager().openTransaction();
473        }
474
475        ft.replace(viewId, frag);
476
477        if (DEBUG) {
478            Log.d(TAG, "Adding handler with viewId " + viewId + " and type " + viewType);
479        }
480        // If the key is already registered this will replace it
481        mController.registerEventHandler(viewId, (EventHandler) frag);
482
483        if (doCommit) {
484            ft.commit();
485        }
486    }
487
488    private void setTitleInActionBar(EventInfo event) {
489        if (event.eventType != EventType.GO_TO || mActionBar == null) {
490            return;
491        }
492
493        final long start = event.startTime.toMillis(false /* use isDst */);
494        final long end;
495        if (event.endTime != null) {
496            end = event.endTime.toMillis(false /* use isDst */);
497        } else {
498            end = start;
499        }
500
501        final String msg = Utils.formatDateRange(this, start, end, DateUtils.FORMAT_SHOW_DATE);
502        // TODO: add title here.
503    }
504
505    private void updateHomeClock() {
506        mTimeZone = Utils.getTimeZone(this, mHomeTimeUpdater);
507        if (mIsMultipane && (mCurrentView == ViewType.DAY || mCurrentView == ViewType.WEEK)
508                && !TextUtils.equals(mTimeZone, Time.getCurrentTimezone())) {
509            Time time = new Time(mTimeZone);
510            time.setToNow();
511            long millis = time.toMillis(true);
512            boolean isDST = time.isDst != 0;
513            int flags = DateUtils.FORMAT_SHOW_TIME;
514            if (DateFormat.is24HourFormat(this)) {
515                flags |= DateUtils.FORMAT_24HOUR;
516            }
517            // Formats the time as
518            String timeString = (new StringBuilder(
519                    Utils.formatDateRange(this, millis, millis, flags))).append(" ").append(
520                    TimeZone.getTimeZone(mTimeZone).getDisplayName(
521                            isDST, TimeZone.SHORT, Locale.getDefault())).toString();
522            mHomeTime.setText(timeString);
523            mHomeTime.setVisibility(View.VISIBLE);
524            // Update when the minute changes
525            mHomeTime.postDelayed(
526                    mHomeTimeUpdater,
527                    DateUtils.MINUTE_IN_MILLIS - (millis % DateUtils.MINUTE_IN_MILLIS));
528        } else {
529            mHomeTime.setVisibility(View.GONE);
530        }
531    }
532
533    @Override
534    public long getSupportedEventTypes() {
535        return EventType.GO_TO | EventType.VIEW_EVENT;
536    }
537
538    @Override
539    public void handleEvent(EventInfo event) {
540        if (event.eventType == EventType.GO_TO) {
541            // Set title bar
542            // TODO: Currently we don't have an appropriate way to add title bar when
543            //        ActionBar is in TabNavigation mode.
544            // setTitleInActionBar(event);
545
546            setMainPane(null, R.id.main_pane, event.viewType, event.startTime.toMillis(false),
547                    false, event);
548
549            if (!mIsMultipane) {
550                return;
551            }
552            if (event.viewType == ViewType.MONTH) {
553                // hide minimonth and calendar frag
554                findViewById(R.id.mini_month).setVisibility(View.GONE);
555                findViewById(R.id.calendar_list).setVisibility(View.GONE);
556            } else {
557                // show minimonth and calendar frag
558                findViewById(R.id.mini_month).setVisibility(View.VISIBLE);
559                findViewById(R.id.calendar_list).setVisibility(View.VISIBLE);
560            }
561        } else if (event.eventType == EventType.VIEW_EVENT) {
562            EventInfoFragment fragment = new EventInfoFragment(
563                    event.id, event.startTime.toMillis(false), event.endTime.toMillis(false),
564                    (int) event.extraLong);
565            fragment.setDialogParams(event.x, event.y);
566            fragment.show(getFragmentManager(), "EventInfoFragment");
567        }
568        updateHomeClock();
569    }
570
571    @Override
572    public void eventsChanged() {
573        mController.sendEvent(this, EventType.EVENTS_CHANGED, null, null, -1, ViewType.CURRENT);
574    }
575
576    @Override
577    public boolean onQueryTextChanged(String newText) {
578        return false;
579    }
580
581    @Override
582    public boolean onSubmitQuery(String query) {
583        mController.sendEvent(this, EventType.SEARCH, null, null, -1, ViewType.CURRENT, query,
584                getComponentName());
585        return false;
586    }
587
588    @Override
589    public void onTabSelected(Tab tab, FragmentTransaction ft) {
590        if (tab == mDayTab && mCurrentView != ViewType.DAY) {
591            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.DAY);
592        } else if (tab == mWeekTab && mCurrentView != ViewType.WEEK) {
593            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.WEEK);
594        } else if (tab == mMonthTab && mCurrentView != ViewType.MONTH) {
595            mController.sendEvent(this, EventType.GO_TO, null, null, -1, ViewType.MONTH);
596        } else {
597            Log.w(TAG, "TabSelected event from unknown tab: " + tab);
598        }
599    }
600
601    @Override
602    public void onTabReselected(Tab tab, FragmentTransaction ft) {
603    }
604
605    @Override
606    public void onTabUnselected(Tab tab, FragmentTransaction ft) {
607    }
608}
609