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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.calendar;
import static android.provider.Calendar.EVENT_BEGIN_TIME;
import dalvik.system.VMRuntime;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.database.ContentObserver;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.provider.Calendar.Events;
import android.text.format.Time;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
public class AgendaActivity extends Activity implements Navigator {
private static final String TAG = "AgendaActivity";
private static boolean DEBUG = false;
protected static final String BUNDLE_KEY_RESTORE_TIME = "key_restore_time";
private static final long INITIAL_HEAP_SIZE = 4*1024*1024;
private ContentResolver mContentResolver;
private AgendaListView mAgendaListView;
private Time mTime;
private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_TIME_CHANGED)
|| action.equals(Intent.ACTION_DATE_CHANGED)
|| action.equals(Intent.ACTION_TIMEZONE_CHANGED)) {
mAgendaListView.refresh(true);
}
}
};
private ContentObserver mObserver = new ContentObserver(new Handler()) {
@Override
public boolean deliverSelfNotifications() {
return true;
}
@Override
public void onChange(boolean selfChange) {
mAgendaListView.refresh(true);
}
};
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
// Eliminate extra GCs during startup by setting the initial heap size to 4MB.
// TODO: We should restore the old heap size once the activity reaches the idle state
VMRuntime.getRuntime().setMinimumHeapSize(INITIAL_HEAP_SIZE);
mAgendaListView = new AgendaListView(this);
setContentView(mAgendaListView);
mContentResolver = getContentResolver();
setTitle(R.string.agenda_view);
long millis = 0;
mTime = new Time();
if (icicle != null) {
// Returns 0 if key not found
millis = icicle.getLong(BUNDLE_KEY_RESTORE_TIME);
if (DEBUG) {
Log.v(TAG, "Restore value from icicle: " + millis);
}
}
if (millis == 0) {
// Returns 0 if key not found
millis = getIntent().getLongExtra(EVENT_BEGIN_TIME, 0);
if (DEBUG) {
Log.v(TAG, "Restore value from intent: " + millis);
}
}
if (millis == 0) {
if (DEBUG) {
Log.v(TAG, "Restored from current time");
}
millis = System.currentTimeMillis();
}
mTime.set(millis);
// Record Agenda View as the (new) default detailed view.
String activityString =
CalendarApplication.ACTIVITY_NAMES[CalendarApplication.AGENDA_VIEW_ID];
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(CalendarPreferenceActivity.KEY_DETAILED_VIEW, activityString);
// Record Agenda View as the (new) start view
editor.putString(CalendarPreferenceActivity.KEY_START_VIEW, activityString);
editor.commit();
}
@Override
protected void onResume() {
super.onResume();
if (DEBUG) {
Log.v(TAG, "OnResume to " + mTime.toString());
}
SharedPreferences prefs =
PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
boolean hideDeclined = prefs
.getBoolean(CalendarPreferenceActivity.KEY_HIDE_DECLINED, false);
mAgendaListView.setHideDeclinedEvents(hideDeclined);
mAgendaListView.goTo(mTime, true);
// Register for Intent broadcasts
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_TIME_CHANGED);
filter.addAction(Intent.ACTION_DATE_CHANGED);
filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
registerReceiver(mIntentReceiver, filter);
mContentResolver.registerContentObserver(Events.CONTENT_URI, true, mObserver);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
long firstVisibleTime = mAgendaListView.getFirstVisibleTime();
if (firstVisibleTime >= 0) {
mTime.set(firstVisibleTime);
outState.putLong(BUNDLE_KEY_RESTORE_TIME, firstVisibleTime);
if (DEBUG) {
Log.v(TAG, "onSaveInstanceState " + mTime.toString());
}
}
}
@Override
protected void onPause() {
super.onPause();
mContentResolver.unregisterContentObserver(mObserver);
unregisterReceiver(mIntentReceiver);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
MenuHelper.onPrepareOptionsMenu(this, menu);
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuHelper.onCreateOptionsMenu(menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
MenuHelper.onOptionsItemSelected(this, item, this);
return super.onOptionsItemSelected(item);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DEL:
// Delete the currently selected event (if any)
mAgendaListView.deleteSelectedEvent();
break;
case KeyEvent.KEYCODE_BACK:
finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
/* Navigator interface methods */
public void goToToday() {
Time now = new Time();
now.set(System.currentTimeMillis());
goTo(now);
}
public void goTo(Time time) {
mAgendaListView.goTo(time, false);
}
public long getSelectedTime() {
return mAgendaListView.getSelectedTime();
}
public boolean getAllDay() {
return false;
}
}
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