/*
* Copyright (c) 2005-2007 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: Plug-in main class
*
*/
#ifndef WRTDATAPLUGIN_H
#define WRTDATAPLUGIN_H
#include <aicontentpublisher.h>
#include <aipropertyextension.h>
#include <aicontentmodel.h>
#include <aieventhandlerextension.h>
class MAiContentObserver;
class MAiContentItemIterator;
class MAiPSPropertyObserver;
class CWrtData;
class CDesC16Array;
class CGulIcon;
enum TContentItem
{
EImage1,
EText1
};
/**
* @ingroup group_wrtdataplugin
*
* Plug-in main class
*
* @since S60 v3.2
*/
class CWrtDataPlugin : public CAiContentPublisher,
public MAiPropertyExtension,
public MAiEventHandlerExtension
{
public :
/**
* Plugin's network state.
*/
enum TPluginNetworkStatus
{
EUnknown,
EOffline,
EOnline
};
/**
* Plugin's state.
*/
enum TPluginStates
{
ENone,
EResume,
ESuspend,
EInActive,
};
public:
/**
* Part of the two phased constuction
*
* @param none
* @return none
*/
static CWrtDataPlugin* NewL();
/**
* Destructor
*
* @param none
* @return none
*/
~CWrtDataPlugin();
private:
/**
* Constructor
*
* @param none
* @return none
*/
CWrtDataPlugin();
/**
* Publishes widget's texts and images
*
* @param void
* @return void
*/
void PublishL();
/**
* Part of the two phased construction
*
* @param void
* @return void
*/
void ConstructL();
/**
* Resume the plug-in.
*
* @param aReason reason for state change, see TAiTransitionChange.
* @return void
*/
void DoResumeL(TAiTransitionReason aReason);
public: // from base class CAiContentPublisher
/**
* From CAiContentPublisher
* The method is called by the framework to request the plug-in free all
* memory and CPU resources and close all its open files, e.g. the plug-in
* should unload its engines due backup operation. The method transits the
* plug-in to "Idle" state.
*
* @param aReason reason for state change, see TAiTransitionChange.
* @return void
*/
void Stop( TAiTransitionReason aReason );
/**
* From CAiContentPublisher
* The method is called by the framework to instruct plug-in that it is
* allowed to consume CPU resources, e.g plug-in is able to run timers,
* perform asynchronous operations, etc. The method transits the plug-in
* to "Alive" state.
*
* @param aReason reason for state change, see TAiTransitionChange.
* @return void
*/
void Resume( TAiTransitionReason aReason );
/**
* From CAiContentPublisher
* The method is called by the framework to instruct plug-in that it is
* not allowed to consume CPU resources, e.g plug-in MUST stop each
* timers, cancel outstanding asynchronous operations, etc. The method
* transits the plug-in to "Suspendend" state.
*
* @param aReason reason for state change, see TAiTransitionChange.
* @return void
*/
void Suspend( TAiTransitionReason aReason );
/**
* From CAiContentPublisher
* Adds the content observer / subscriber to plug-in. The plug-in MUST
* maintain a registry of subscribers and send notification to all them
* whenever the plug-in changes state or new content available.
*
* @param aObserver content observer to register.
* @return void
*/
void SubscribeL( MAiContentObserver& aObserver );
/**
* From CAiContentPublisher
* Configures the plug-in.
* Plug-ins take ownership of the settings array, so it must either
* store it in a member or free it. Framework has put the array in cleanup
* stack so the plugin shouldn't do that.
* If this leaves, the plug-in will be destroyed by AI FW.
* Plug-in must support LaunchByValue-event even if normal shortcuts don't
* work. The only allowed serious enough leave is KErrNotFound from CenRep.
*
* @param aSettings setting items defined in the UI definition.
* @return void
*/
void ConfigureL( RAiSettingsItemArray& aSettings );
/**
* From CAiContentPublisher
* Returns interface extension. In Series 60 3.1 only event & property
* extensions are supported. See MAiEventExtension & MAiPropertyExtension
* interfaces.
*
* @param aUid - UID of the extension interface to access.
* @return the extension interface. Actual type depends on the passed aUid
* argument.
*/
TAny* Extension( TUid aUid );
// from base class MAiPropertyExtension
/**
* From MAiPropertyExtension.
* Read property of publisher plug-in.
*
* @param aProperty - identification of property.
* @return pointer to property value.
*/
TAny* GetPropertyL( TInt aProperty );
/**
* From MAiPropertyExtension.
* Write property value.
*
* @param aProperty - identification of property.
* @param aValue - contains pointer to property value.
*/
void SetPropertyL( TInt aProperty, TAny* aValue );
// from base class MAiEventHandlerExtension
/**
* From MAiEventHandlerExtension
* Invoked by the framework when plug-in must handle an event.
* @param aEvent - unique identifier of event from plug-in content model.
* @param aParam - parameters associated with event. Each UI Definition
* declares events in the format: <event name>(<event params>),
* where <event name> is mapped by the framework to unique
* identifier supplied in aEvent, <event params> are provided to
* plug-in as-is in the descriptor.
* @since S60 3.2
*/
void HandleEvent(TInt aEvent, const TDesC& aParam);
/**
* From MAiEventHandlerExtension
* Invoked by the framework when plug-in must handle an event.
*
* @param aEventName - name of the event from plug-in content model.
* @param aParam - parameters associated with event. Each UI Definition
* declares events in the format: <event name>(<event params>),
* where <event name> mapping to unique identifier supplied by event
* is failed by the frame work then the <event name> and
* <event params> are provided to plug-in as-is in the descriptor.
*/
void HandleEvent(const TDesC& aEventName, const TDesC& aParam);
/**
* Invoked by the framework for querying if plugin has menu item
*
* @param aMenuItem menu item name.
* @return ETrue if plugin has specific menu item, EFalse otherwise
*/
TBool HasMenuItem(const TDesC16& aMenuItem);
public :
/**
* Gets the id of a content
*
* @param aObjectId image or text id
* @return id of the content
*/
TInt GetIdL(TDesC16& aObjectId);
/**
* Gets the type of a specific content
*
* @param aObjectId image or text id
* @param aType type
* @return void
*/
void GetTypeL( TDesC16& aObjectId, TDes16& aType );
/**
* RefereshL a specific image of text in the widget
*
* @param aOperation operation performed
* @return void
*/
void RefreshL(TDesC16& aOperation );
/**
* Is plugin active to publish the data
*
* @param void
* @return boolean (ETrue/EFalse)
*/
TBool IsActive();
/**
* Publish a specific text of the widget
*
* @param aObserver observer
* @param aContentId content model id
* @param aContentValue content value
* @return void
*/
/*void PublishTextL(MAiContentObserver* aObserver,
TInt& aContentId, TDesC16& aContentValue);*/
/**
* Publish a specific image of the widget
*
* @param aObserver observer
* @param aContentId content model id
* @param aHandle image handle
* @param aMaskHandle handle of the mask image
* @return void
*/
void PublishImageL(MAiContentObserver* aObserver,
TContentItem aContentId, TInt aHandle, TInt aMaskHandle);
/**
* Publish a specific image of the widget
*
* @param aObserver observer
* @param aContentId content model id
* @param aPath image path / skin id pattern / mif id Pattern
* @return void
*/
void PublishImageL(MAiContentObserver* aObserver,
TContentItem aContentId, TDesC16& aPath );
/**
* Cleans a data from the widget
*
* @param aObserver observer
* @param aContentId content model id
* @return void
*/
void Clean(MAiContentObserver* aObserver,
TInt aContentId );
/**
* CWrtData getter
* @return Pointer to CWrtData
*/
inline CWrtData* Data() const
{
return iData;
}
/*
* Plugin's network status getter
* @return Pointer to Harvester status observer
*/
inline TPluginNetworkStatus NetworkStatus() const
{
return iNetworkStatus;
}
private: // data
// Iterator for plugin content
// Own
MAiContentItemIterator* iContent;
// Array of content observers
// Own
RPointerArray<MAiContentObserver> iObservers;
// Information about the content publisher (this plug-in)
TAiPublisherInfo iInfo;
// Number of data in the content model.
TInt iDataCount;
// Dynamic content model
// Own
TAiContentItem* iContentModel;
// Reference array for Published text
// Own
RPointerArray<HBufC> iDataArray;
// Service API Data Subscriber.
// Own
CWrtData* iData;
// References array for published images
// Own
RArray<CGulIcon*> iIconArray;
// File Server
// Reference
RFs iRfs;
// Plugin's network status
TPluginNetworkStatus iNetworkStatus;
// Is Homescreen foreground.
TBool iHSForeGround;
// Is KeyLockON.
TBool iKeyLockOn;
// Plugin state
TPluginStates iPluginState;
};
#endif // WRTDATAPLUGIN_H