sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Part of the MVS Agents for TechView
sl@0: //
sl@0: 
sl@0: #ifndef AGENTSUTILITY_H
sl@0: #define AGENTSUTILITY_H
sl@0: 
sl@0: #include <badesca.h>
sl@0: #include <mmf/common/mmfcontroller.h>
sl@0: #include <flogger.h>
sl@0: 
sl@0: 
sl@0: /**
sl@0: States of the Client
sl@0: */
sl@0: enum TMVSState
sl@0: {
sl@0: 	ENotReady	= 0,
sl@0: 	EAudioOpening,
sl@0: 	EAudioOpened,
sl@0: 	EAudioPlaying,
sl@0: 	EAudioRecording,
sl@0: 	EAudioStopped,
sl@0: 	EVideoOpening,
sl@0: 	EVideoOpened,
sl@0: 	EVideoPlaying,
sl@0: 	EVideoRecording,
sl@0: 	EVideoStopped,
sl@0: 	EVideoPaused,
sl@0: 	EAudioPaused
sl@0: };
sl@0: 
sl@0: /**
sl@0: Modes of the Client
sl@0: */
sl@0: enum TMVSMode
sl@0: {
sl@0: 	EAudioRecord,
sl@0: 	EAudioPlay,
sl@0: 	EVideoRecord,
sl@0: 	EVideoPlay,
sl@0: 	EIdle
sl@0: };	
sl@0:  
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @test
sl@0: 
sl@0: An interface to Client callback function
sl@0: This serves as the method of communication between the Client and the UI
sl@0: 
sl@0: */
sl@0: class MMVSClientObserver
sl@0: {
sl@0: public:
sl@0: 	
sl@0: 	/**
sl@0: 	
sl@0: 	Called when a multimedia controller plugin changes state e.g. when audio starts to play, 
sl@0: 	the state changes from EAudioOpened to EAudioPlaying
sl@0: 	
sl@0: 	@param  aState
sl@0: 	        Current State of the Client
sl@0: 	@param  aError
sl@0: 	        Error code. The status of the current operation
sl@0: 	*/
sl@0: 	virtual void UpdateStateChange(TMVSState aState, TInt aError) = 0;
sl@0: 	
sl@0: 	/**
sl@0: 	Called when the audio resource becomes available but only if the resource was previously unavailable (e.g. if 
sl@0: 	the audio resource is available when the client registers, then this callback is not received).
sl@0: 
sl@0: 	@param  aNotificationData
sl@0: 			The data that corresponds to the notification event
sl@0: 	*/
sl@0: 	virtual void MvsResourceNotification(const TDesC8& aNotificationData) = 0;
sl@0: 
sl@0: };
sl@0: 
sl@0: 
sl@0: /**
sl@0: @publishedPartner
sl@0: @prototype
sl@0: @test
sl@0: 
sl@0: Utility class that does fetching the existing controller plugins,the extensions
sl@0: supported by them and finding the type of the media file for the UI.
sl@0: */
sl@0: class CMVSControllerPluginInfo: public CBase
sl@0: {
sl@0: public:
sl@0: 	IMPORT_C static CMVSControllerPluginInfo* NewL();
sl@0: 	IMPORT_C ~CMVSControllerPluginInfo();
sl@0: 
sl@0: 	IMPORT_C  TInt GetPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray);
sl@0: 	IMPORT_C  TInt GetAudioPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,RArray<TUid>& aUidPlayArray, TDesC* aExt);
sl@0: 	IMPORT_C  TInt GetVideoPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray, TDesC* aExt);	
sl@0: 	IMPORT_C TInt GetExtensionListL(TBool aControllerUid, CDesCArrayFlat* aExtArray);
sl@0: 	IMPORT_C TUid GetMediaTypeL(TDesC& aFileName);
sl@0: 	IMPORT_C CMMFControllerImplementationInformation& GetControllerInfo(TUid aControllerUid);
sl@0: private:
sl@0: 	void CollectAudioControllersL(TDesC* aExt);
sl@0: 	void CollectAudioPlayControllersL(TDesC* aExt);
sl@0: 	void CollectVideoControllersL(TDesC* aExt);
sl@0: 	void ConstructL(); //populate iControllers
sl@0: 	CMVSControllerPluginInfo();
sl@0: 	void GetHeaderL(TDesC& aFileName, TDes8& aHeaderData);
sl@0: private:
sl@0: 	//list of controller info objects
sl@0: 	RMMFControllerImplInfoArray iControllers;
sl@0: 	RMMFControllerImplInfoArray iSupportedControllers;
sl@0: 	RArray<TUid> iUidArray;
sl@0: 	RMMFControllerImplInfoArray iAudioControllers;
sl@0: 	RMMFControllerImplInfoArray iVideoControllers;
sl@0: 	RMMFControllerImplInfoArray iAudioPlayControllers;
sl@0: 	RArray<TUid> iAudioUidArray;
sl@0: 	RArray<TUid> iAudioPlayUidArray;
sl@0: 	RArray<TUid> iVideoUidArray;
sl@0: 	RFileLogger iFileLogger;
sl@0: };
sl@0: 
sl@0: 
sl@0: #endif AGENTSUTILITY_H