diff -r 000000000000 -r 2e3d3ce01487 commonappservices/alarmserver/AlarmAlert/Include/ASAltAlarmAlertObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commonappservices/alarmserver/AlarmAlert/Include/ASAltAlarmAlertObserver.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,100 @@
+// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __ASALTALARMALERTOBSERVERT_H__
+#define __ASALTALARMALERTOBSERVERT_H__
+
+// System includes
+#include <e32std.h>
+#include <asshddefs.h>
+
+//
+// ----> MASAltAlarmAlertObserver (header)
+//
+/**
+ * Mixin class which represents an observer of command instructions
+ * from the Alarm Alert Server (which runs in the EikSrv thread).
+ */
+class MASAltAlarmAlertObserver
+	{
+//
+public:										// FROM MASAltAlarmAlertObserver
+//
+	enum TAcknowledgeType
+		{
+		/**
+		 * Dismiss the currently notifying alarm
+		 */
+		EAcknowledgeCurrentAlarm = 0,
+
+		/**
+		 * Dismiss the currently notifying alarm, and any others that
+		 * are awaiting notification.
+		 */
+		EAcknowledgeAllAlarms
+		};
+
+//
+public:										// FROM MASAltAlarmAlertObserver
+//
+
+	/**
+	 * Stop any sound calculations for the current alarm. This effectively initates
+	 * a callback to the Alarm Alert Server informing it to stop playing sound 
+	 * for the current alarm.
+	 * If the given alarm is not playing sound, the silence operation is ignored.
+	 *
+	 * @param aAlarmId Alarm Id of the alarm to silence.
+	 */
+	virtual void							ASAltSilenceCurrentAlarm(TAlarmId aAlarmId) = 0;
+
+	/**
+	 * Dismiss the current alarm
+	 *
+	 * @param aType The type of alarm to dismiss (just the currently playing alarm with the given
+	 *              alarm id, or all alarms that may be alerting).
+	 * @param aAlarmId If aType is EAcknowledgeCurrentAlarm, Alarm Id of the alarm to acknowledge.
+	 */
+	virtual void							ASAltAcknowledgeAlarm(TAcknowledgeType aType, TAlarmId aAlarmId) = 0;
+
+	/**
+	 * Snooze the current alarm, preventing any sound from taking place. The alarm
+	 * notification furniture will also be removed from display.
+	 *
+	 * @param aTimeWhenAlarmToReAwaken Time that the alarm snooze will reawaken.
+	 * @param aAlarmId Alarm Id of the alarm to snooze.
+	 * @return KErrNone if no error
+	 */
+	virtual TInt							ASAltSnoozeAlarmUntil(const TTime& aTimeWhenAlarmToReAwaken, TAlarmId aAlarmId) = 0;
+
+	/**
+	 * Silence all alarm sounds until the specified time. Note that no sound will
+	 * occur for any alarms until the resumption time is reached.
+	 * 
+	 * @param aTimeWhenSoundsShouldResume The time when the sound should start playing again
+	 */
+	virtual void							ASAltQuietPeriodUntil(const TTime& aTimeWhenSoundsShouldResume) = 0;
+
+	/**
+	 * Pause the alarm sound until the specified time. The alarm state does not change.
+	 * 
+	 * @param aTimeWhenSoundSoundResume The time when the sound should start playing again
+	 * @param aAlarmId Alarm Id of the alarm that will have sound paused.
+	 */
+	virtual void							ASAltPauseSoundUntil(const TTime& aTimeWhenSoundSoundResume, TAlarmId aAlarmId) = 0;
+
+	};
+
+#endif