src/com/android/calendar/alerts/AlertActivity.java - platform/packages/apps/Calendar - Git at Google

 /*
  * 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.alerts;

 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.NotificationManager;
 import android.app.TaskStackBuilder;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.CalendarContract;
 import android.provider.CalendarContract.CalendarAlerts;
 import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.Button;
 import android.widget.ListView;

 import com.android.calendar.AsyncQueryService;
 import com.android.calendar.EventInfoActivity;
 import com.android.calendar.R;
 import com.android.calendar.Utils;
 import com.android.calendar.alerts.GlobalDismissManager.AlarmId;

 import java.util.LinkedList;
 import java.util.List;

 /**
  * The alert panel that pops up when there is a calendar event alarm.
  * This activity is started by an intent that specifies an event id.
   */
 public class AlertActivity extends Activity implements OnClickListener {
     private static final String TAG = "AlertActivity";

     private static final String[] PROJECTION = new String[] {
         CalendarAlerts._ID,              // 0
         CalendarAlerts.TITLE,            // 1
         CalendarAlerts.EVENT_LOCATION,   // 2
         CalendarAlerts.ALL_DAY,          // 3
         CalendarAlerts.BEGIN,            // 4
         CalendarAlerts.END,              // 5
         CalendarAlerts.EVENT_ID,         // 6
         CalendarAlerts.CALENDAR_COLOR,   // 7
         CalendarAlerts.RRULE,            // 8
         CalendarAlerts.HAS_ALARM,        // 9
         CalendarAlerts.STATE,            // 10
         CalendarAlerts.ALARM_TIME,       // 11
     };

     public static final int INDEX_ROW_ID = 0;
     public static final int INDEX_TITLE = 1;
     public static final int INDEX_EVENT_LOCATION = 2;
     public static final int INDEX_ALL_DAY = 3;
     public static final int INDEX_BEGIN = 4;
     public static final int INDEX_END = 5;
     public static final int INDEX_EVENT_ID = 6;
     public static final int INDEX_COLOR = 7;
     public static final int INDEX_RRULE = 8;
     public static final int INDEX_HAS_ALARM = 9;
     public static final int INDEX_STATE = 10;
     public static final int INDEX_ALARM_TIME = 11;

     private static final String SELECTION = CalendarAlerts.STATE + "=?";
     private static final String[] SELECTIONARG = new String[] {
         Integer.toString(CalendarAlerts.STATE_FIRED)
     };

     private AlertAdapter mAdapter;
     private QueryHandler mQueryHandler;
     private Cursor mCursor;
     private ListView mListView;
     private Button mDismissAllButton;


     private void dismissFiredAlarms() {
         ContentValues values = new ContentValues(1 /* size */);
         values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
         String selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED;
         mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values,
                 selection, null /* selectionArgs */, Utils.UNDO_DELAY);

         if (mCursor == null) {
             Log.e(TAG, "Unable to globally dismiss all notifications because cursor was null.");
             return;
         }
         if (mCursor.isClosed()) {
             Log.e(TAG, "Unable to globally dismiss all notifications because cursor was closed.");
             return;
         }
         if (!mCursor.moveToFirst()) {
             Log.e(TAG, "Unable to globally dismiss all notifications because cursor was empty.");
             return;
         }

         List<AlarmId> alarmIds = new LinkedList<AlarmId>();
         do {
             long eventId = mCursor.getLong(INDEX_EVENT_ID);
             long eventStart = mCursor.getLong(INDEX_BEGIN);
             alarmIds.add(new AlarmId(eventId, eventStart));
         } while (mCursor.moveToNext());
         initiateGlobalDismiss(alarmIds);
     }

     private void dismissAlarm(long id, long eventId, long startTime) {
         ContentValues values = new ContentValues(1 /* size */);
         values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
         String selection = CalendarAlerts._ID + "=" + id;
         mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values,
                 selection, null /* selectionArgs */, Utils.UNDO_DELAY);

         List<AlarmId> alarmIds = new LinkedList<AlarmId>();
         alarmIds.add(new AlarmId(eventId, startTime));
         initiateGlobalDismiss(alarmIds);
     }

     private void initiateGlobalDismiss(List<AlarmId> alarmIds) {
         GlobalDismissManager.dismissGlobally(getApplicationContext(), alarmIds);
     }

     private class QueryHandler extends AsyncQueryService {
         public QueryHandler(Context context) {
             super(context);
         }

         @Override
         protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
             // Only set mCursor if the Activity is not finishing. Otherwise close the cursor.
             if (!isFinishing()) {
                 mCursor = cursor;
                 mAdapter.changeCursor(cursor);
                 mListView.setSelection(cursor.getCount() - 1);

                 // The results are in, enable the buttons
                 mDismissAllButton.setEnabled(true);
             } else {
                 cursor.close();
             }
         }

         @Override
         protected void onUpdateComplete(int token, Object cookie, int result) {
             // Ignore
         }
     }

     private final OnItemClickListener mViewListener = new OnItemClickListener() {

         @SuppressLint("NewApi")
         @Override
         public void onItemClick(AdapterView<?> parent, View view, int position,
                 long i) {
             AlertActivity alertActivity = AlertActivity.this;
             Cursor cursor = alertActivity.getItemForView(view);

             long alarmId = cursor.getLong(INDEX_ROW_ID);
             long eventId = cursor.getLong(AlertActivity.INDEX_EVENT_ID);
             long startMillis = cursor.getLong(AlertActivity.INDEX_BEGIN);

             // Mark this alarm as DISMISSED
             dismissAlarm(alarmId, eventId, startMillis);

             // build an intent and task stack to start EventInfoActivity with AllInOneActivity
             // as the parent activity rooted to home.
             long endMillis = cursor.getLong(AlertActivity.INDEX_END);
             Intent eventIntent = AlertUtils.buildEventViewIntent(AlertActivity.this, eventId,
                     startMillis, endMillis);

             if (Utils.isJellybeanOrLater()) {
                 TaskStackBuilder.create(AlertActivity.this).addParentStack(EventInfoActivity.class)
                         .addNextIntent(eventIntent).startActivities();
             } else {
                 alertActivity.startActivity(eventIntent);
             }

             alertActivity.finish();
         }
     };

     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         setContentView(R.layout.alert_activity);
         setTitle(R.string.alert_title);

         mQueryHandler = new QueryHandler(this);
         mAdapter = new AlertAdapter(this, R.layout.alert_item);

         mListView = (ListView) findViewById(R.id.alert_container);
         mListView.setItemsCanFocus(true);
         mListView.setAdapter(mAdapter);
         mListView.setOnItemClickListener(mViewListener);

         mDismissAllButton = (Button) findViewById(R.id.dismiss_all);
         mDismissAllButton.setOnClickListener(this);

         // Disable the buttons, since they need mCursor, which is created asynchronously
         mDismissAllButton.setEnabled(false);
     }

     @Override
     protected void onResume() {
         super.onResume();

         // If the cursor is null, start the async handler. If it is not null just requery.
         if (mCursor == null) {
             Uri uri = CalendarAlerts.CONTENT_URI_BY_INSTANCE;
             mQueryHandler.startQuery(0, null, uri, PROJECTION, SELECTION, SELECTIONARG,
                     CalendarContract.CalendarAlerts.DEFAULT_SORT_ORDER);
         } else {
             if (!mCursor.requery()) {
                 Log.w(TAG, "Cursor#requery() failed.");
                 mCursor.close();
                 mCursor = null;
             }
         }
     }

     void closeActivityIfEmpty() {
         if (mCursor != null && !mCursor.isClosed() && mCursor.getCount() == 0) {
             AlertActivity.this.finish();
         }
     }

     @Override
     protected void onStop() {
         super.onStop();
         AlertService.updateAlertNotification(this);

         if (mCursor != null) {
             mCursor.deactivate();
         }
     }

     @Override
     protected void onDestroy() {
         super.onDestroy();
         if (mCursor != null) {
             mCursor.close();
         }
     }

     @Override
     public void onClick(View v) {
         if (v == mDismissAllButton) {
             NotificationManager nm =
                 (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
             nm.cancelAll();

             dismissFiredAlarms();

             finish();
         }
     }

     public boolean isEmpty() {
         return mCursor != null ? (mCursor.getCount() == 0) : true;
     }

     public Cursor getItemForView(View view) {
         final int index = mListView.getPositionForView(view);
         if (index < 0) {
             return null;
         }
         return (Cursor) mListView.getAdapter().getItem(index);
     }
 }
	/*
	* 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.alerts;

	import android.annotation.SuppressLint;
	import android.app.Activity;
	import android.app.NotificationManager;
	import android.app.TaskStackBuilder;
	import android.content.ContentValues;
	import android.content.Context;
	import android.content.Intent;
	import android.database.Cursor;
	import android.net.Uri;
	import android.os.Bundle;
	import android.provider.CalendarContract;
	import android.provider.CalendarContract.CalendarAlerts;
	import android.util.Log;
	import android.view.View;
	import android.view.View.OnClickListener;
	import android.widget.AdapterView;
	import android.widget.AdapterView.OnItemClickListener;
	import android.widget.Button;
	import android.widget.ListView;

	import com.android.calendar.AsyncQueryService;
	import com.android.calendar.EventInfoActivity;
	import com.android.calendar.R;
	import com.android.calendar.Utils;
	import com.android.calendar.alerts.GlobalDismissManager.AlarmId;

	import java.util.LinkedList;
	import java.util.List;

	/**
	* The alert panel that pops up when there is a calendar event alarm.
	* This activity is started by an intent that specifies an event id.
	*/
	public class AlertActivity extends Activity implements OnClickListener {
	private static final String TAG = "AlertActivity";

	private static final String[] PROJECTION = new String[] {
	CalendarAlerts._ID, // 0
	CalendarAlerts.TITLE, // 1
	CalendarAlerts.EVENT_LOCATION, // 2
	CalendarAlerts.ALL_DAY, // 3
	CalendarAlerts.BEGIN, // 4
	CalendarAlerts.END, // 5
	CalendarAlerts.EVENT_ID, // 6
	CalendarAlerts.CALENDAR_COLOR, // 7
	CalendarAlerts.RRULE, // 8
	CalendarAlerts.HAS_ALARM, // 9
	CalendarAlerts.STATE, // 10
	CalendarAlerts.ALARM_TIME, // 11
	};

	public static final int INDEX_ROW_ID = 0;
	public static final int INDEX_TITLE = 1;
	public static final int INDEX_EVENT_LOCATION = 2;
	public static final int INDEX_ALL_DAY = 3;
	public static final int INDEX_BEGIN = 4;
	public static final int INDEX_END = 5;
	public static final int INDEX_EVENT_ID = 6;
	public static final int INDEX_COLOR = 7;
	public static final int INDEX_RRULE = 8;
	public static final int INDEX_HAS_ALARM = 9;
	public static final int INDEX_STATE = 10;
	public static final int INDEX_ALARM_TIME = 11;

	private static final String SELECTION = CalendarAlerts.STATE + "=?";
	private static final String[] SELECTIONARG = new String[] {
	Integer.toString(CalendarAlerts.STATE_FIRED)
	};

	private AlertAdapter mAdapter;
	private QueryHandler mQueryHandler;
	private Cursor mCursor;
	private ListView mListView;
	private Button mDismissAllButton;


	private void dismissFiredAlarms() {
	ContentValues values = new ContentValues(1 /* size */);
	values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
	String selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED;
	mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values,
	selection, null /* selectionArgs */, Utils.UNDO_DELAY);

	if (mCursor == null) {
	Log.e(TAG, "Unable to globally dismiss all notifications because cursor was null.");
	return;
	}
	if (mCursor.isClosed()) {
	Log.e(TAG, "Unable to globally dismiss all notifications because cursor was closed.");
	return;
	}
	if (!mCursor.moveToFirst()) {
	Log.e(TAG, "Unable to globally dismiss all notifications because cursor was empty.");
	return;
	}

	List<AlarmId> alarmIds = new LinkedList<AlarmId>();
	do {
	long eventId = mCursor.getLong(INDEX_EVENT_ID);
	long eventStart = mCursor.getLong(INDEX_BEGIN);
	alarmIds.add(new AlarmId(eventId, eventStart));
	} while (mCursor.moveToNext());
	initiateGlobalDismiss(alarmIds);
	}

	private void dismissAlarm(long id, long eventId, long startTime) {
	ContentValues values = new ContentValues(1 /* size */);
	values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED);
	String selection = CalendarAlerts._ID + "=" + id;
	mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values,
	selection, null /* selectionArgs */, Utils.UNDO_DELAY);

	List<AlarmId> alarmIds = new LinkedList<AlarmId>();
	alarmIds.add(new AlarmId(eventId, startTime));
	initiateGlobalDismiss(alarmIds);
	}

	private void initiateGlobalDismiss(List<AlarmId> alarmIds) {
	GlobalDismissManager.dismissGlobally(getApplicationContext(), alarmIds);
	}

	private class QueryHandler extends AsyncQueryService {
	public QueryHandler(Context context) {
	super(context);
	}

	@Override
	protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
	// Only set mCursor if the Activity is not finishing. Otherwise close the cursor.
	if (!isFinishing()) {
	mCursor = cursor;
	mAdapter.changeCursor(cursor);
	mListView.setSelection(cursor.getCount() - 1);

	// The results are in, enable the buttons
	mDismissAllButton.setEnabled(true);
	} else {
	cursor.close();
	}
	}

	@Override
	protected void onUpdateComplete(int token, Object cookie, int result) {
	// Ignore
	}
	}

	private final OnItemClickListener mViewListener = new OnItemClickListener() {

	@SuppressLint("NewApi")
	@Override
	public void onItemClick(AdapterView<?> parent, View view, int position,
	long i) {
	AlertActivity alertActivity = AlertActivity.this;
	Cursor cursor = alertActivity.getItemForView(view);

	long alarmId = cursor.getLong(INDEX_ROW_ID);
	long eventId = cursor.getLong(AlertActivity.INDEX_EVENT_ID);
	long startMillis = cursor.getLong(AlertActivity.INDEX_BEGIN);

	// Mark this alarm as DISMISSED
	dismissAlarm(alarmId, eventId, startMillis);

	// build an intent and task stack to start EventInfoActivity with AllInOneActivity
	// as the parent activity rooted to home.
	long endMillis = cursor.getLong(AlertActivity.INDEX_END);
	Intent eventIntent = AlertUtils.buildEventViewIntent(AlertActivity.this, eventId,
	startMillis, endMillis);

	if (Utils.isJellybeanOrLater()) {
	TaskStackBuilder.create(AlertActivity.this).addParentStack(EventInfoActivity.class)
	.addNextIntent(eventIntent).startActivities();
	} else {
	alertActivity.startActivity(eventIntent);
	}

	alertActivity.finish();
	}
	};

	@Override
	protected void onCreate(Bundle icicle) {
	super.onCreate(icicle);

	setContentView(R.layout.alert_activity);
	setTitle(R.string.alert_title);

	mQueryHandler = new QueryHandler(this);
	mAdapter = new AlertAdapter(this, R.layout.alert_item);

	mListView = (ListView) findViewById(R.id.alert_container);
	mListView.setItemsCanFocus(true);
	mListView.setAdapter(mAdapter);
	mListView.setOnItemClickListener(mViewListener);

	mDismissAllButton = (Button) findViewById(R.id.dismiss_all);
	mDismissAllButton.setOnClickListener(this);

	// Disable the buttons, since they need mCursor, which is created asynchronously
	mDismissAllButton.setEnabled(false);
	}

	@Override
	protected void onResume() {
	super.onResume();

	// If the cursor is null, start the async handler. If it is not null just requery.
	if (mCursor == null) {
	Uri uri = CalendarAlerts.CONTENT_URI_BY_INSTANCE;
	mQueryHandler.startQuery(0, null, uri, PROJECTION, SELECTION, SELECTIONARG,
	CalendarContract.CalendarAlerts.DEFAULT_SORT_ORDER);
	} else {
	if (!mCursor.requery()) {
	Log.w(TAG, "Cursor#requery() failed.");
	mCursor.close();
	mCursor = null;
	}
	}
	}

	void closeActivityIfEmpty() {
	if (mCursor != null && !mCursor.isClosed() && mCursor.getCount() == 0) {
	AlertActivity.this.finish();
	}
	}

	@Override
	protected void onStop() {
	super.onStop();
	AlertService.updateAlertNotification(this);

	if (mCursor != null) {
	mCursor.deactivate();
	}
	}

	@Override
	protected void onDestroy() {
	super.onDestroy();
	if (mCursor != null) {
	mCursor.close();
	}
	}

	@Override
	public void onClick(View v) {
	if (v == mDismissAllButton) {
	NotificationManager nm =
	(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
	nm.cancelAll();

	dismissFiredAlarms();

	finish();
	}
	}

	public boolean isEmpty() {
	return mCursor != null ? (mCursor.getCount() == 0) : true;
	}

	public Cursor getItemForView(View view) {
	final int index = mListView.getPositionForView(view);
	if (index < 0) {
	return null;
	}
	return (Cursor) mListView.getAdapter().getItem(index);
	}
	}