--- a/Symbian3/SDK/Source/GUID-60EE22AA-402D-4FC2-9AD1-B3AEF822E8DC.dita Wed Mar 31 11:11:55 2010 +0100
+++ b/Symbian3/SDK/Source/GUID-60EE22AA-402D-4FC2-9AD1-B3AEF822E8DC.dita Fri Jun 11 12:39:03 2010 +0100
@@ -1,98 +1,98 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
-<!-- This component and the accompanying materials are made available under the terms of the License
-"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:
--->
-<!DOCTYPE task
- PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
-<task id="GUID-60EE22AA-402D-4FC2-9AD1-B3AEF822E8DC" xml:lang="en"><title>Receiving
-Channel Data based on Conditions</title><shortdesc>Conditional listening enables you to receive sensor data feeds
-based on a specific condition. For example, you can choose to receive sensor
-feeds that are only movement specific.</shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
-<prereq id="GUID-A4F41A1D-D093-418E-BA65-30C36DA0B0DA"> <p>Before listening
-for channel data, you must <xref href="GUID-4B709839-8EEF-4AD2-9868-9AF0176B1E5B.dita#GUID-4B709839-8EEF-4AD2-9868-9AF0176B1E5B/GUID-FBBD3A8B-F240-4DC0-B516-3A51FDD86A88">open
-the sensor channel</xref>.</p> </prereq>
-<steps id="GUID-4DD07DEC-6017-4237-BE46-1D69E5FBD744-GENID-1-8-1-9-1-1-6-1-4-1-4-1-10-1-3-2">
-<step id="GUID-9A69E5AD-E938-4092-A8C2-CB65C37C8962-GENID-1-8-1-9-1-1-6-1-4-1-4-1-10-1-3-2-1"><cmd>Create channel condition
-items using <parmname>CSensrvChannelCondition</parmname> constructor. These
-conditions can be used to filter the sensor data feeds.</cmd>
-<stepxmp><codeblock xml:space="preserve">//Comparison values needed for condition
-...
-TInt firstNumber=45;
-HBufC8 *firstBufNumber=NULL;
-InetProtTextUtils::ConvertIntToDescriptorL(firstNumber,firstBufNumber);
-CleanupStack::PushL(firstBufNumber);
-
-TInt secondNumber=150;
-HBufC8 *secondBufNumber=NULL;
-InetProtTextUtils::ConvertIntToDescriptorL(secondNumber,secondBufNumber);
-CleanupStack::PushL(secondBufNumber);
-
-//Creates a SingleLimit Condition with a GreaterThan operator
-CSensrvChannelCondition *firstCondition = CSensrvChannelCondition::NewL(ESensrvSingleLimitCondition,ESensrvOperatorGreaterThan,1,*firstBufNumber);
-
-//Creates a SingleLimit Condition with a LessThan operator
-CSensrvChannelCondition *secondCondition = CSensrvChannelCondition::NewL(ESensrvSingleLimitCondition,ESensrvOperatorLessThan,2,*secondBufNumber);</codeblock></stepxmp>
-</step>
-<step id="GUID-A94F1F87-9CD4-45E9-9FDA-B53E26C8F92D"><cmd>Create a channel
-condition set using <parmname>CSensrvChannelConditionSet</parmname> constructor.
-Add the condition items to the condition set using the <xref href="GUID-AF4BAE05-7111-3DF7-964D-C8A49D8F3D08.dita#GUID-AF4BAE05-7111-3DF7-964D-C8A49D8F3D08/GUID-84740BEB-2E6E-38E6-822B-9F6E4A55DF7D"><apiname>CSensrvChannelConditionSet::AddConditionL()</apiname></xref> function.</cmd>
-<stepxmp><codeblock xml:space="preserve">//Creates a ConditionSet with ConditionType OR
- CSensrvChannelConditionSet *ConditionSet=CSensrvChannelConditionSet::NewLC(ESensrvAndConditionSet);
-
- //Add channel1 and channel2 to conditonset
- ConditionSet->AddChannelConditionL(firstCondition);
- ConditionSet->AddChannelConditionL(secondCondition);</codeblock></stepxmp>
-</step>
-<step id="GUID-E51A9E16-67C8-43AB-BBEF-99411A3EEE0F"><cmd>Add the condition
-set to the required channel using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-006A659E-72F1-3D5D-8476-952619E3BA2F"><apiname>CSensrvChannel::AddConditionL()</apiname></xref> function.</cmd>
-<stepxmp><codeblock xml:space="preserve">CSensrvChannel* channel;
-channel->AddConditionL(*ConditionSet);
-</codeblock></stepxmp>
-</step>
-<step id="GUID-47EED068-A9C7-4DCF-AF03-3803CECAE7C8"><cmd>Create a condition
-listener implementation for the <parmname>MSensrvChannelConditionListener</parmname> interface,
-which listens for sensor data feeds based on <parmname>CSensrvChannelConditionSet</parmname>.</cmd>
-<stepxmp><codeblock xml:space="preserve">class ConditionListener:public MSensrvChannelConditionListener
- {
- public:
- void ConditionMet(CSensrvChannel &aChannel, CSensrvChannelConditionSet &aChannelConditionSet, TDesC8 &avalue)
- {
- ...
- //Implementation
- }
- void ConditionError(CSensrvChannel &aChannel, TSensrvErrorSeverity aError)
- {
- ...
- //Implementation
- }
- void GetChannelConditionListenerInterfaceL(TUid aInterfaceUid, TAny *&aInterface)
- {
- ...
- //Implementation
- }
- };</codeblock></stepxmp>
-</step>
-<step id="GUID-196F04E0-2A98-4479-8165-9A803823E6AD"><cmd>Start conditional
-listening by passing an instance of the condition listener implementation,
-using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-4CA77329-E958-3568-B34D-1086AA34A334"><apiname>CSensrvChannel::StartConditionListeningL()</apiname></xref> function.</cmd>
-<stepxmp><codeblock xml:space="preserve">//Instance of the condition listener implementation
-ConditionListener conditionListener;
-...
-channel->StartConditionListeningL(conditionListener,1,1);
-...</codeblock></stepxmp>
-</step>
-<step id="GUID-93BD0200-C12B-4AB1-9D23-F11AC54D39E6"><cmd>Once you get the
-required sensor data feeds from the sensor channel based on the conditions
-set, you can stop conditional listening using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-78F64EA2-2901-3304-B4AE-B865D18772E8"><apiname>CSensrvChannel::StopConditionListening()</apiname></xref> function.</cmd>
-<stepxmp><codeblock xml:space="preserve">channel->StopConditionListening();
-</codeblock></stepxmp>
-</step>
-</steps>
-<postreq id="GUID-40C4B810-AD44-4A28-8C29-8A08E914970D"><p>End the session
-with the sensor channel using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-0B8F50A6-2CA1-316A-82AB-AA026005E810"><apiname>CSensrvChannel::CloseChannel()</apiname></xref> function.</p></postreq>
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License
+"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:
+-->
+<!DOCTYPE task
+ PUBLIC "-//OASIS//DTD DITA Task//EN" "task.dtd">
+<task id="GUID-60EE22AA-402D-4FC2-9AD1-B3AEF822E8DC" xml:lang="en"><title>Receiving
+Channel Data based on Conditions</title><shortdesc>Conditional listening enables you to receive sensor data feeds
+based on a specific condition. For example, you can choose to receive sensor
+feeds that are only movement specific.</shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>
+<prereq id="GUID-A4F41A1D-D093-418E-BA65-30C36DA0B0DA"> <p>Before listening
+for channel data, you must <xref href="GUID-4B709839-8EEF-4AD2-9868-9AF0176B1E5B.dita#GUID-4B709839-8EEF-4AD2-9868-9AF0176B1E5B/GUID-FBBD3A8B-F240-4DC0-B516-3A51FDD86A88">open
+the sensor channel</xref>.</p> </prereq>
+<steps id="GUID-4DD07DEC-6017-4237-BE46-1D69E5FBD744-GENID-1-10-1-9-1-1-6-1-4-1-4-1-10-1-3-2">
+<step id="GUID-9A69E5AD-E938-4092-A8C2-CB65C37C8962-GENID-1-10-1-9-1-1-6-1-4-1-4-1-10-1-3-2-1"><cmd>Create channel condition
+items using <parmname>CSensrvChannelCondition</parmname> constructor. These
+conditions can be used to filter the sensor data feeds.</cmd>
+<stepxmp><codeblock xml:space="preserve">//Comparison values needed for condition
+...
+TInt firstNumber=45;
+HBufC8 *firstBufNumber=NULL;
+InetProtTextUtils::ConvertIntToDescriptorL(firstNumber,firstBufNumber);
+CleanupStack::PushL(firstBufNumber);
+
+TInt secondNumber=150;
+HBufC8 *secondBufNumber=NULL;
+InetProtTextUtils::ConvertIntToDescriptorL(secondNumber,secondBufNumber);
+CleanupStack::PushL(secondBufNumber);
+
+//Creates a SingleLimit Condition with a GreaterThan operator
+CSensrvChannelCondition *firstCondition = CSensrvChannelCondition::NewL(ESensrvSingleLimitCondition,ESensrvOperatorGreaterThan,1,*firstBufNumber);
+
+//Creates a SingleLimit Condition with a LessThan operator
+CSensrvChannelCondition *secondCondition = CSensrvChannelCondition::NewL(ESensrvSingleLimitCondition,ESensrvOperatorLessThan,2,*secondBufNumber);</codeblock></stepxmp>
+</step>
+<step id="GUID-A94F1F87-9CD4-45E9-9FDA-B53E26C8F92D"><cmd>Create a channel
+condition set using <parmname>CSensrvChannelConditionSet</parmname> constructor.
+Add the condition items to the condition set using the <xref href="GUID-AF4BAE05-7111-3DF7-964D-C8A49D8F3D08.dita#GUID-AF4BAE05-7111-3DF7-964D-C8A49D8F3D08/GUID-84740BEB-2E6E-38E6-822B-9F6E4A55DF7D"><apiname>CSensrvChannelConditionSet::AddConditionL()</apiname></xref> function.</cmd>
+<stepxmp><codeblock xml:space="preserve">//Creates a ConditionSet with ConditionType OR
+ CSensrvChannelConditionSet *ConditionSet=CSensrvChannelConditionSet::NewLC(ESensrvAndConditionSet);
+
+ //Add channel1 and channel2 to conditonset
+ ConditionSet->AddChannelConditionL(firstCondition);
+ ConditionSet->AddChannelConditionL(secondCondition);</codeblock></stepxmp>
+</step>
+<step id="GUID-E51A9E16-67C8-43AB-BBEF-99411A3EEE0F"><cmd>Add the condition
+set to the required channel using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-006A659E-72F1-3D5D-8476-952619E3BA2F"><apiname>CSensrvChannel::AddConditionL()</apiname></xref> function.</cmd>
+<stepxmp><codeblock xml:space="preserve">CSensrvChannel* channel;
+channel->AddConditionL(*ConditionSet);
+</codeblock></stepxmp>
+</step>
+<step id="GUID-47EED068-A9C7-4DCF-AF03-3803CECAE7C8"><cmd>Create a condition
+listener implementation for the <parmname>MSensrvChannelConditionListener</parmname> interface,
+which listens for sensor data feeds based on <parmname>CSensrvChannelConditionSet</parmname>.</cmd>
+<stepxmp><codeblock xml:space="preserve">class ConditionListener:public MSensrvChannelConditionListener
+ {
+ public:
+ void ConditionMet(CSensrvChannel &aChannel, CSensrvChannelConditionSet &aChannelConditionSet, TDesC8 &avalue)
+ {
+ ...
+ //Implementation
+ }
+ void ConditionError(CSensrvChannel &aChannel, TSensrvErrorSeverity aError)
+ {
+ ...
+ //Implementation
+ }
+ void GetChannelConditionListenerInterfaceL(TUid aInterfaceUid, TAny *&aInterface)
+ {
+ ...
+ //Implementation
+ }
+ };</codeblock></stepxmp>
+</step>
+<step id="GUID-196F04E0-2A98-4479-8165-9A803823E6AD"><cmd>Start conditional
+listening by passing an instance of the condition listener implementation,
+using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-4CA77329-E958-3568-B34D-1086AA34A334"><apiname>CSensrvChannel::StartConditionListeningL()</apiname></xref> function.</cmd>
+<stepxmp><codeblock xml:space="preserve">//Instance of the condition listener implementation
+ConditionListener conditionListener;
+...
+channel->StartConditionListeningL(conditionListener,1,1);
+...</codeblock></stepxmp>
+</step>
+<step id="GUID-93BD0200-C12B-4AB1-9D23-F11AC54D39E6"><cmd>Once you get the
+required sensor data feeds from the sensor channel based on the conditions
+set, you can stop conditional listening using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-78F64EA2-2901-3304-B4AE-B865D18772E8"><apiname>CSensrvChannel::StopConditionListening()</apiname></xref> function.</cmd>
+<stepxmp><codeblock xml:space="preserve">channel->StopConditionListening();
+</codeblock></stepxmp>
+</step>
+</steps>
+<postreq id="GUID-40C4B810-AD44-4A28-8C29-8A08E914970D"><p>End the session
+with the sensor channel using the <xref href="GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844.dita#GUID-22DC917F-D833-3531-AB2D-A6E2D52EF844/GUID-0B8F50A6-2CA1-316A-82AB-AA026005E810"><apiname>CSensrvChannel::CloseChannel()</apiname></xref> function.</p></postreq>
</taskbody></task>
\ No newline at end of file