/*

* Copyright (c) 2006 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:

*

* Description:  Base Controller class for handling browser requests to play

*                audio or video.

*

*/

#ifndef BAVPCONTROLLER_H

#define BAVPCONTROLLER_H

// INCLUDES

#include <e32base.h>

#include <coecntrl.h>

#include <e32property.h>                // RProperty class

#include "FeatMgr.h"

#include "BrowserAudioVideoPlugin.hrh"

#include "BavpVolumeObserver.h"         // Volume Observer class

#include "BavpVolumeHandler.h"

#include "BavpHwKeyEvents.h"            // Hardware Key Events

#include "BavpClipInfo.h"               // Clip info

// FORWARD DECLARATIONS

class RFs;

class CBavpPlugin;

class MBavpView;

// CONSTANTS

// Does this build include Side Volume Keys support

#define HAS_HW_VOLUME_KEYS ( FeatureManager::FeatureSupported( KFeatureIdSideVolumeKeys ) )

// Used to walk the content's meta data

_LIT(KBavpTrue, "1");

_LIT(KBavpFalse, "0");

_LIT(KBavpLiveStream, "LiveStream");

_LIT(KBavpSeekable, "Seekable");

// ROP controller UID, ?? Helix UID ??

const TUid KRopControllerUid =

    {

    0x101F8514

    };

// The Audio or Video player state

enum TAudioVideoState

    {

    EBavpNone,                  // Player is idle or not created yet

    EBavpBuffering,             // Loading the content

    EBavpPlaying,               // Playing the content

    EBavpPlayComplete,          // Done playing the content (end)

    EBavpStopped,               // User stopped the content

    EBavpPaused,                // User paused the content

    EBavpBadContent,            // Bad content or network error encountered

    EBavpFastForwarding,        // Fast Forwarding the content

    EBavpFastForwardComplete,   // Fast Forward reached end of content

    EBavpRewinding,             // Rewinding the content

    EBavpRewindComplete         // Rewind reached beginning of content

    };

// Use these values for fast-forwarding and rewinding

const TInt KSkipToPosition = 2*1000*1000;   // 2 seconds

const TInt KUpdateFrequency = 400*1000;     // 400 milliseconds

const TInt KInitialDelay = 600*1000;        // 600 milliseconds

// CLASS DECLARATIONS

/**

*  CBavpController.

*  Controller class for handling browser requests to play audio or video.

*  @lib npBrowserAudioVideoPlugin.lib

*  @since 3.2

*/

class CBavpController : public CActive,

                        public MBavpVolumeObserver,

                        public MBavpHwKeyEventsObserver,

                        public MCenRepNotifyHandlerCallback

    {

    public:    // Constructors and destructor

        /**

        * C++ default constructor.

        */

        CBavpController( MBavpView* aView, TUint aAccessPtId );

        /**

        * Destructor.

        */

        virtual ~CBavpController();

    public: // New pure virtual methods

        /**

        * Handles request to play the audio or video content

        * @since 3.2

        * @param none

        * @return void

        */

        virtual void PlayAudioVideoL() = 0;

        /**

        * Handles request to stop playing the content

        * @param none

        * @return void

        */

        virtual void Stop() = 0;

        /**

        * Handles request to play content

        * @param none

        * @return void

        */

        virtual void PlayL() = 0;

        /**

        * Handles request to pause playing content

        * @param none

        * @return void

        */

        virtual void PauseL() = 0;

        /**

        * Handles request to fast forward content

        * @param none

        * @return void

        */

        virtual void FastForwardL() = 0;

        /**

        * Handles request to rewind content

        * @param none

        * @return void

        */

        virtual void RewindL() = 0;

        /**

        * Set the volume in the player, we send volume value 0-10, this method

        * will scale before calling Player::SetVolume()

        * @param aVolume the new volume: 0(mute) - 10(max)

        * @return void

        */

        virtual void SetPlayerVolume( TInt aVolume ) = 0;

        /**

        * Get the current volume of the player

        * This needs to be scaled to 0-10 (CR value) before returning

        * @param none

        * @return player volume scaled: 0(mute) - 10(max)

        */

        virtual TInt GetPlayerVolume() = 0;

        /**

        * To get the current position of the clip

        * @since 3.2

        * @param none

        * @return TTimeIntervalMicroSeconds

        */

        virtual TTimeIntervalMicroSeconds getPositionL() = 0;

        /**

        * To set the position of the clip

        * @since 3.2

        * @param TTimeIntervalMicroSeconds

        * @return void

        */

        virtual void setPositionL(TTimeIntervalMicroSeconds) = 0;

        /**

        * Handles the incoming call

        * @param none

        * @return void

        */

        virtual void HandleInComingCallL() = 0;

    public: // New virtual methods

        /**

        * Handles Notifications from Browser

        * @since 3.2

        * @param TBool: Tell bavp plugin if Browser is in or out of focus

        * @return void

        */

        virtual void HandleBrowserNotification( TBool aBrowserFocus );

        /**

        * Handles the error

        * @param TInt aError: error to be handled

        * @return void

        */

        virtual void HandleError( TInt aError );

        /**

        * Handles the keys offered by the CCoeControl

        * @since 3.2

        * @param TInt aKeyEvent: Which key pressed

        * @param TInt aEventCode: Key down, key up...

        * @return TKeyResponse: Was the key consumed

        */

        virtual TKeyResponse HandleKeysL( const TKeyEvent& aKeyEvent,

                                          TEventCode aType );

        /**

        * Handles commands from Option Menu, defined in resource files

        * @since 3.2

        * @param TBavpCommandIds aCommand:  a Command Id

        * @return void

        */

        virtual void HandleCommandL( TBavpCommandIds aCommand );

        /**

        * Called by CBavpView to CBavpPlugin whenever Bavp focus changes

        * @since 3.2

        * @param aFocus True if plugin has focus

        * @return none

        */

        virtual void BavpFocusChanged( TBool aFocus );

    public: // New methods

        /**

        * Sets volume using the value from <object> attribute

        * @since 3.2

        * @param aVolume

        * @return void

        */

        void SetVolumeFromAttribute( TInt aVolume );

        /**

        * Sets loop using the value from <object> attribute

        * @since 3.2

        * @param aLoopValue: The number of times to play file

        * @param aInfiniteFlag: Set to ETrue if play infinitely, we use a loop

        *        countValue = 50 for infinite and always set this to EFalse

        * @return void

        */

        void SetLoopFromAttribute( TInt aLoopValue, TBool aInfiniteFlag );

        /**

        * Refresh the coordinates of the rectangle to be drawn

        * @since 3.2

        * @param none

        * @return void

        */

        virtual void RefreshRectCoordinates();

        /**

        * Sets original file name (used for scripting functionality)

        * @since 3.2

        * @param originalFilename

        * @return void

        */

        void SetOriginalFileName( const TDesC* originalFileName );

        /**

        * Sets the mime type(used for scripting functionality)

        * @since 3.2

        * @param mime type

        * @return void

        */

        void SetMimeType( const TDesC8* mimetype );

    public: // New inline methods

        /**

        * Bavp has focus

        * @since 3.2

        * @param void

        * @return : TBool 0 or 1 indicating the focus

        */

        inline TBool BavpHasFocus()

            {

            return iBavpHasFocus;

            }

        /**

        * Returns the video player plugin current state

        * @since 3.2

        * @param none

        * @return TVideoState

        */

        inline TAudioVideoState State()

            {

            return iCurrentState;

            }

        /**

        * returns ETrue is the volume is muted

        * @param none

        * @return TBool

        */

        inline TBool IsVolumeMuted()

            {

            return ( iCurrentVolume == KCRVolumeMute );

            }

        /**

        * Returns ETrue is this is a video clip

        * @since 3.2

        * @param none

        * @return TBool

        */

        inline TBool IsClipVideo()

            {

            return iClipInfo->iVideoTrack;

            }

        /**

        * Returns ETrue is the clip is seekable.

        * @param none

        * @return TBool

        */

        inline TBool IsClipSeekable()

           {

           return iClipInfo->iSeekable;

           }

        /**

        * returns ETrue is the content is local media file.

        * Local files can be FF and Rewind

        * @param none

        * @return TBool

        */

        inline TBool IsClipLocalMedia()

            {

            return ( iClipInfo->iMediaType == ELocalVideoFile ||

                     iClipInfo->iMediaType == ELocalAudioFile );

            }

        /**

        * Returns TRUE if the display is on full screen, otherwise FALSE

        * @since 3.2

        * @param none

        * @return TBool

        */

        inline TBool IsClipFullScreen()

            {

            return iClipInfo->iInFullScreenMode;

            }

        /**

        * Returns TRUE if the content is being fast-forwarded,

        * otherwise FALSE

        * @since 3.2

        * @param none

        * @return TBool

        */

        inline TBool IsClipFastForwarding()

            {

            return ( iCurrentState == EBavpFastForwarding );

            }

        /**

        * Returns TRUE if the content is being rewound,

        * otherwise FALSE

        * @since 3.2

        * @param none

        * @return TBool

        */

        inline TBool IsClipRewinding()

            {

            return ( iCurrentState == EBavpRewinding );

            }

        /**

        * Returns ETrue is the clip is onDemand stream.

        * @param none

        * @return TBool

        */

        inline TBool IsClipOnDemand()

            {

            return ( iClipInfo->iMediaType != ELocalVideoFile && iClipInfo->iSeekable );

            }

        /**

        * Returns ETrue is the clip is live stream.

        * @param none

        * @return TBool

        */

        inline TBool IsClipLive()

            {

            return ( iClipInfo->iLiveStream );

            }

        /** Returns the original filename of the clip

        * @param none

        * @return HBufC*

        */

        inline const HBufC& ClipName()

            {

            return *iOriginalFileName;

            }

        /** Returns the duration of the clip

        * @param none

        * @return TTimeIntervalMicroSeconds

        */

        inline TTimeIntervalMicroSeconds Duration()

            {

            return ( iClipInfo->iDurationInSeconds );

            }

        /** Returns the mime type of the clip

        * @param none

        * @return HBufC*

        */

        inline const HBufC8& MimeType()

            {

            return *iMimeType;

            }

    protected:  // New methods

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param none

        * @return void

        */

        void BaseConstructL( TBavpMediaType aMediaType,

                             const TDesC& aFileName );

        /**

        * Parse the ram file

        * @param none

        * @return void

        */

        void ParseRamFileL();

#if defined(BRDO_ASX_FF) 

    /**

	* Parse the asx file

	* @param none

	* @return void

	*/

        void ParseAsxFileL();

#endif //BRDO_ASX_FF

        /**

        * Set the rectangle to prepare the display

        * @param TRect

        * @return TRect aRect

        */

        TRect GetClipRect( TRect aRect );

        /**

        * Create a query dialog for the volume setting list

        * @param none

        * @return void

        */

        void CreateVolumeListDlgL();

        /**

        * Check if an incoming call comes

        * @param none

        * @return TBool

        */

        TBool IsVideoOrAudioCall();

        /**

        * Check if other audio or video controllers are playing

        * @param none

        * @return TBool

        */

        TBool IsAnotherControllerPlaying();

        /**

        * Pause or Stop the other audio or video controllers from playing

        * @param none

        * @return void

        */

        void PauseOtherControllersPlaying();

        /**

        * Handle the error from MMF for multiple media object case

        * @param aError error code from MMF

        * @return void

        */

        void HandleMultiInstanceError();

    protected:  // Methods from CActive

        /**

        * Implements cancellation of an outstanding request.

        * @param none

        * @return void

        */

        void DoCancel() { /* Not implemented */ }

        /**

        * Handles an active object’s request completion event.

        * @param none

        * @return void

        */

        void RunL();

    public: // Methods from MBavpVolumeObserver

        /**

        * Updates the volume

        * From MBavpVolumeObserver

        * @since 3.2

        * @param TInt aVolume: volume value

        * @return void

        */

        void UpdateVolume( TInt aVolume );

    private:       // From MHwKeyEventsObserver

        /**

        * Called when volume level should be changed.

        * Set volume control visible into navi pane.

        * @param aVolumeChange: +1 change volume up

        *                       -1 change volume down

        */

        void BavpHwKeyVolumeChange( TInt aVolumeChange );