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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Defines the ECom plugin for HTI camera service.
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*
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*/
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#ifndef HTICAMERASERVICEPLUGIN_H
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#define HTICAMERASERVICEPLUGIN_H
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// INCLUDES
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#include <HtiServicePluginInterface.h>
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#include "EngineVideoRecording.h"
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// CONSTANTS
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// MACROS
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// DATA TYPES
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class CEngineVideoRecording;
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class MEngineVideoRecordingObserver;
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// CLASS DECLARATION
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/**
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* The ECom plugin for HTI camera service.
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*
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*/
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class CHtiCameraServicePlugin : public CHTIServicePluginInterface,
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public MEngineVideoRecordingObserver
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{
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protected:
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// commands
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enum TCommands
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{
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ECmdInit = 0x01,
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ECmdPrepareVideoRecording = 0x02,
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ECmdStartVideoRecording = 0x05,
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ECmdPausingVideoRecording = 0x06,
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ECmdResumeVideoRecording = 0x07,
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ECmdStopVideoRecording = 0x08,
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ECmdCloseVideoRecording = 0x09,
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ECmdGetZoom = 0x0a,
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ECmdSetZoom = 0x0b,
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EResultOk = 0xFF // only for response message
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};
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public: // Constructors and destructor
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/**
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* Two-phased constructor.
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*/
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static CHtiCameraServicePlugin* NewL();
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public: // New functions
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public:
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// Functions from base classes
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/**
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* From CHTIServicePluginInterface
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* Called by the HTI Framework when sending message to this service.
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* @param aMessage message body destinated to a servive
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* @param aPriority message priority
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*/
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void ProcessMessageL(const TDesC8& aMessage,
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THtiMessagePriority aPriority);
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/**
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* From CHTIServicePluginInterface
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* Indicates to HTI Framework whether the plugin is ready to process
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* a new message or if it's busy processing previous message.
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*/
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TBool IsBusy();
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protected: // New functions
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/**
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* C++ default constructor.
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*/
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CHtiCameraServicePlugin();
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/**
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* 2nd phase constructor.
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*/
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void ConstructL();
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/**
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* Destructor.
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*/
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virtual ~CHtiCameraServicePlugin();
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protected:
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// Functions from base classes
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/**
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* From MEngineVideoRecordingObserver
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* Called asynchronously when CEngineVideoRecording::Init(), CCaeEngine::CEngineVideoRecording(),
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* or CEngineVideoRecording::Reserve() completes.
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* Indicates if Video Recording Engine is ready for operation,
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* the camera is reserved and its power is switched on.
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* @param aError Error code KErrNone to indicate success or a standard Symbian OS error code.
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* @return void
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*/
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virtual void MevroInitComplete( TInt aError );
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/**
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* From MEngineVideoRecordingObserver
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* Called asynchronously when preparing of video recording completes
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* after PrepareVideoRecordingL() has been called.
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* May be called second time with an error code after a successful preparation
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* if video recording loses its prepared state for some reason (e.g. audio HW
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* is reserved for some other application).
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* @param aError Error code KErrNone to indicate success or a standard Symbian OS error code.
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* @return void
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*/
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virtual void MevroVideoPrepareComplete(TInt aError);
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/**
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* From MEngineVideoRecordingObserver
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* Called (possibly asynchronously) when video recording is running
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* after CEngineVideoRecording::StartVideoRecording() or
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* CEngineVideoRecording::ResumeVideoRecording() has been called.
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* @param aError Error code KErrNone to indicate success or a standard Symbian OS error code.
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* @return void
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*/
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virtual void MevroVideoRecordingOn(TInt aError);
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/**
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* From MEngineVideoRecordingObserver
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* Called (possibly asynchronously) when video recording is paused after
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* CEngineVideoRecording::PauseVideoRecording() has been called.
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* @param aError Error code KErrNone to indicate success or a standard Symbian OS error code.
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* @return void
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*/
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virtual void MevroVideoRecordingPaused(TInt aError);
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/**
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* From MEngineVideoRecordingObserver
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* Called (possibly asynchronously) when video recording is completed
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* after CEngineVideoRecording::StopVideoRecording() has been called or
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* recording has been completed for some other reason.
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* @param aError Error code KErrNone to indicate success or a standard Symbian OS error code.
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* if aError == KErrDiskFull, then disk storage is full.
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* if aError == KErrCompletion, then clip max size was reached.
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* @return void
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*/
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virtual void MevroVideoRecordingComplete(TInt aError);
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private:
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void HandleInitCmdL(const TDesC8& aData);
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void HandlePrepareVideoRecordingCmdL(const TDesC8& aData);
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void HandleStartVideoRecordingCmdL( const TDesC8& aData );
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void HandlePausingVideoRecordingCmdL( const TDesC8& aData );
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void HandleResumeVideoRecordingCmdL( const TDesC8& aData );
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void HandleStopVideoRecordingCmdL( const TDesC8& aData );
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void HandleCloseVideoRecordingCmdL( const TDesC8& aData );
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void HandleGetZoomCmdL( const TDesC8& aData );
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void HandleSetZoomCmdL( const TDesC8& aData );
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void SendOkMsgL( const TDesC8& aData );
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void SendErrorMessageL( TInt aError, const TDesC8& aDescription );
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TInt ParseString( const TDesC8& aRequest,
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TInt aOffset, TDes& aResult );
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public: // Data
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protected: // Data
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private: // Data
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// Flag telling if the service is busy processing a message
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TBool iIsBusy;
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TInt iError;
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CEngineVideoRecording* iVideoRecordingEngine;
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CActiveSchedulerWait* iWaiter;
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};
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#endif // HTICAMERASERVICEPLUGIN_H
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// End of File
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