/*

* 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 "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:  MPX common playback view implementation

*

*/

#ifndef CMPXCOMMONPLAYBACKVIEWIMP_H

#define CMPXCOMMONPLAYBACKVIEWIMP_H

// INCLUDES

#include <aknview.h>

#include <AknServerApp.h>

#include <AknProgressDialog.h>  // MProgressDialogCallback

#include <mpxplaybackobserver.h>

#include <mpxcollectionobserver.h>

#include <mpxcollectionuihelper.h>

#include <mpxcollectionuihelperobserver.h>

#include <mpxpskeyobserver.h>   // MMPXPSKeyObserver

#include <mpxcenrepobserver.h>  // MMPXCenRepObserver

#include <mpxviewactivationobserver.h>  // MMPXViewActivationObserver

#include "mpxlayoutswitchobserver.h"

#include "mpxplaybackframeworkdefs.h" // TMPXPlaybackPlayerType

#include "../../../inc/musicplayerbldvariant.hrh"

// FORWARD DECLARATIONS

class CMPXCommonPlaybackViewContainer;

class MMPXPlaybackUtility;

class CMPXAlbumArtUtil;

class CMPXCommonUiHelper;

class MMPXViewUtility;

class CMPXCollectionPlaylist;

class CMPXCommonPlaybackViewLayout;

class MMPXPlayerManager;

class MMPXCollectionUtility;

class CMPXPSKeyWatcher;

class CMPXCenRepWatcher;

#ifdef IAD_INCLUDE_BACKSTEPPING

class MMPXBackSteppingUtility;

#endif // IAD_INCLUDE_BACKSTEPPING

class CAiwServiceHandler;

class CMediaRecognizer;

class CAiwGenericParamList;

#ifdef IAD_INCLUDE_UPNP

class CUpnpCopyCommand;

#endif

// CLASS DECLARATION

/**

 *  MPX playback view.

 *

 *  @lib mpxplaybackview.lib

 *  @since S60 v3.0

 */

class CMPXCommonPlaybackViewImp : public CAknView,

                                  public MMPXPlaybackObserver,

                                  public MMPXPlaybackCallback,

                                  public MAknServerAppExitObserver,

                                  public MMPXLayoutSwitchObserver,

                                  public MCoeViewActivationObserver,

                                  public MMPXCHelperObserver,

                                  public MMPXPSKeyObserver,

                                  public MMPXCenRepObserver,

                                  public MProgressDialogCallback,

                                  public MMPXViewActivationObserver,

                                  public MMPXCollectionObserver

    {

public:

    enum TCommandSender

        {

        ECsUnknown,

        ECsMediaKey,

        ECsRenderer

        };

public:

    /**

     * Destructor.

     */

    IMPORT_C virtual ~CMPXCommonPlaybackViewImp();

protected:

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    IMPORT_C virtual void ConstructL();

    /**

     * Updates playback view.

     */

    IMPORT_C virtual void UpdateViewL();

    /**

     * Updates track info field.

     *

     * @param aMedia Media's properties. If NULL, default info will

     *                    be shown.

     */

    IMPORT_C virtual void UpdateTrackInfoL(

        const CMPXMedia* aMedia );

    /**

     * Update current playback state.

     *

     * @param aPlaybackState Current playback state.

     */

    IMPORT_C virtual void UpdatePlaybackState(

        TMPXPlaybackState aPlaybackState );

    /**

     * Updates track's playback position.

     *

     * @param  aPos, New playback postions in seconds

     * @param  aDuration, Track duration in seconds

     */

    IMPORT_C virtual void UpdateTrackPlaybackPositionL(

        TInt aPos,

        TInt aDuration );

    /**

     * Updates track's album art.

     *

     * @param aMedia Media's properties. If NULL, default album art

     *                    will be shown.

     */

    IMPORT_C virtual void UpdateAlbumArtL(

        const CMPXMedia* aMedia );

    /**

     * Updates track position in playlist field.

     */

    IMPORT_C virtual void UpdateTrackPosInPlaylistL();

    /**

     * Updates download state label.

     */

    IMPORT_C virtual void UpdateDownloadStateLabelL();

    /**

     * Updates the title pane

     */

    IMPORT_C virtual void UpdateTitlePaneL();

    /**

     * Updates FM Transmitter Info

     */

    IMPORT_C virtual void UpdateFMTransmitterInfoL(

        TBool aForceUpdate = EFalse );

    /**

     *  Handle playback message

     *

     *  @param aMsg playback message

     */

    IMPORT_C virtual void DoHandlePlaybackMessageL(

        const CMPXMessage& aMessage );

    /**

     *  Handle playback property

     *

     *  @param aProperty the property

     *  @param aValue the value of the property

     *  @param aError error code

     */

    IMPORT_C virtual void DoHandlePropertyL(

        TMPXPlaybackProperty aProperty,

        TInt aValue,

        TInt aError );

    /**

     *  Handle media properties.

     *

     *  @param aMedia media properties

     *  @param aError error code

     */

    IMPORT_C virtual void DoHandleMediaL(

        const CMPXMedia& aMedia,

        TInt aError );

    /**

     *  Handle playback state changed.

     *

     *  @param aState New Playback state

     *  @param aData Extra data parameter, used for any extra information

     *               along with the state change message

     */

    IMPORT_C virtual void DoHandleStateChangedL(

        TMPXPlaybackState aState,

        TInt aData );

    /**

     * Get simple embedded mode.

     *

     * @return ETrue if the player is in the embedded mode (i.e. launched

     *         from Browser or Message Centre).

     */

    IMPORT_C virtual TBool SimpleEmbeddedMode() const;

    /**

     * Get embedded status.

     *

     * @return ETrue if in embedded mode. Otherwise, EFalse.

     */

    IMPORT_C virtual TBool IsEmbedded() const;

    /**

     * Displays error notes.

     *

     * @param aError Error ID to be handled.

     */

    IMPORT_C virtual void HandleErrorL( TInt aError );

    /**

     * Displays error note for when all tracks are invalid,

     * and goes back to collection list view

     */

    IMPORT_C virtual void HandleAllTracksInvalidL();

    /**

     * Checks whether or not to skip to next track on an error

     *

     * @param aCurrentIndex Current index

     */

    IMPORT_C virtual void SkipOnErrorL( TInt aCurrentIndex, TInt aCount );

    /**

     * Function to display information notes

     *

     * @param aResourceId Resource ID of the text string.

     */

    IMPORT_C virtual void DisplayInfoNoteL( TInt aResourceId );

    /**

     * Function to display confirmation notes

     *

     * @param aResourceId Resource ID of the text string.

     */

    IMPORT_C virtual void DisplayConfirmionNoteL( TInt aResourceId );

    /**

     * Set process priority.

     */

    IMPORT_C virtual void SetProcessPriority();

    /**

     * Launch equalizer dialog.

     */

    IMPORT_C virtual void LaunchEqualizerL();

    /**

     * Launch Music Settings view.

     */

    IMPORT_C virtual void LaunchMusicSettingsL();

    /**

     * Launch FM Transmitter

     */

    IMPORT_C virtual void LaunchFMTransmitterL();

    /**

     * Request for the media object

     * aDrm Flag whether or not to request all DRM info as well

     */

    IMPORT_C virtual void RequestMediaL( TBool aDrm=EFalse );

    /**

    * Prepare status pane for full-screen playback view.

    */

    void PrepareStatusPaneForPlaybackViewL();

    /**

    * Restore status pane to it's normal state.

    */

    void PrepareStatusPaneForExitingViewL();

    /**

     * Checks if UPnP AP is defined

     */

    IMPORT_C virtual TBool IsUpnpVisible();

    /**

     * Displays the available players in the Play via submenu

     */

    IMPORT_C virtual void AddPlayersNamesToMenuL( CEikMenuPane& aMenuPane );

    /**

     * Adds one player type to the Play via submenu

     * @param aMenuPane Menu pane

     * @param aCommandId Command id

     * @param aPlayerManager Playback Utility manager

     * @param aPlayerType Current player type (Local, Remote)

     * @param aMenuText Text to be added to the menu

     */

    IMPORT_C virtual void AddPlayerNameToMenuL( CEikMenuPane& aMenuPane,

                                TInt aCommandId,

                                MMPXPlayerManager& aPlayerManager,

                                TMPXPlaybackPlayerType& aPlayerType,

                                const TDesC& aMenuText = KNullDesC );

    /**

     * Retrieves the current player name and type

     */

    IMPORT_C virtual void GetCurrentPlayerDetails();

    /**

     * Selects a new player for audio playback

     */

    IMPORT_C virtual void SelectNewPlayerL( TInt aCommand );

    /**

     * Adds current item to a saved playlist

     */

    IMPORT_C virtual void AddToSavedPlaylistL();

    /**

     * Adds current item to a new playlist

     */

    IMPORT_C virtual void AddToNewPlaylistL();

    /**

     * Prepares media for adding to a playlist

     * @return Media object for adding to playlist.  Caller is

     * responsible for deleting and popping off cleanupstack

     */

    IMPORT_C virtual CMPXMedia* PrepareMediaForPlaylistLC(

        const CMPXMedia& aMedia );

    /**

     * Check if the command is supported by the remote player

     * @return TBool whether the command is supported or not

     */

    IMPORT_C virtual TBool IsCommandSupportedL();

// from base class MProgressDialogCallback

    /**

     * From MProgressDialogCallback

     * Callback method

     * Get's called when a dialog is dismissed.

     */

    IMPORT_C virtual void DialogDismissedL( TInt aButtonId );

    /*

     * From MMPXCHelperObserver

     * Handles the completion of any collection helper event.

     *

     * @param aOperation, operation completed

     * @param aErr. the error code

     * @param aArgument Argument returned from the operation

     */

    IMPORT_C virtual void HandleOperationCompleteL( TCHelperOperation aOperation,

                                                    TInt aError,

                                                    void* aArgument );

// from base class MMPXPlaybackObserver

    /**

     * From MMPXPlaybackObserver

     * Handle playback message

     *

     * @since 3.1

     * @param aMessage Playback Message

     * @param aErr system error code.

     */

    IMPORT_C virtual void HandlePlaybackMessage(

        CMPXMessage* aMessage, TInt aError );

// from base class MMPXPlaybackCallback

    /**

     * From MMPXPlaybackCallback

     * Handle playback property

     *

     * @since 3.0

     * @param aProperty the property

     * @param aValue the value of the property

     * @param aError error code

     */

    IMPORT_C virtual void HandlePropertyL(

        TMPXPlaybackProperty aProperty,

        TInt aValue,

        TInt aError );

    /**

     * From MMPXPlaybackCallback

     * Method is called continously until aComplete=ETrue, signifying that

     * it is done and there will be no more callbacks

     * Only new items are passed each time

     *

     * @since 3.0

     * @param aPlayer UID of the subplayer

     * @param aSubPlayers a list of sub players

     * @param aComplete ETrue no more sub players. EFalse more subplayer

     *                  expected

     * @param aError error code

     */

    IMPORT_C virtual void HandleSubPlayerNamesL(

        TUid aPlayer,

        const MDesCArray* aSubPlayers,

        TBool aComplete,

        TInt aError );

    /**

     * From MMPXPlaybackCallback

     * Handle media properties

     *

     * @since 3.0

     * @param aMedia media

     * @param aError error code

     */

    IMPORT_C virtual void HandleMediaL(

        const CMPXMedia& aMedia,

        TInt aError );

// from base class MMPXCollectionMediaObserver

    /**

    *  Handle extended media properties

    *

    *  @param aMedia media

    *  @param aError error code

    */

    IMPORT_C virtual void HandleCollectionMediaL(

        const CMPXMedia& aMedia,

        TInt aError);

// from base class CAknView

    /**

     * From CAknView

     * Command handling function.

     *

     * @since 3.0

     * @param aCommand Command which is handled

     */

    IMPORT_C virtual void HandleCommandL( TInt aCommand );

    /**

     * From CAknView

     * Processes user commands.

     *

     * @since 3.0

     * @param aCommand ID of the command to respond to.

     */

    IMPORT_C virtual void ProcessCommandL( TInt aCommand );

    /**

     * From CAknView

     * Event handler for status pane size changes.

     *

     * @since 3.0

     */

    virtual void HandleStatusPaneSizeChange();

    /**

     * From CAknView

     * Handles a view activation.

     *

     * @param aPrevViewId Specifies the view previously active.

     * @param aCustomMessageId Specifies the message type.

     * @param aCustomMessage The activation message.

     */

    IMPORT_C virtual void DoActivateL(

        const TVwsViewId& aPrevViewId,

        TUid aCustomMessageId,

        const TDesC8& aCustomMessage );

    /**

     * From CAknView

     * View deactivation function.

     */

    IMPORT_C virtual void DoDeactivate();

    /**

     * From CAknView

     * Foreground event handling function.

     *

     * @param aForeground Indicates the required focus state of the control.

     */

    IMPORT_C virtual void HandleForegroundEventL( TBool aForeground );

// from base class MEikMenuObserver

    /**

     * From MEikMenuObserver

     * Dynamically initialises a menu pane.

     *

     * @param aResourceId The ID of the menu pane.

     * @param aMenuPane The menu pane itself.

     */

    IMPORT_C void DynInitMenuPaneL(

        TInt aResourceId,

        CEikMenuPane* aMenuPane );

// from base class MMPXLayoutSwitchObserver

    /**

     * From MMPXLayoutSwitchObserver

     * Callback function when layout is changed.

     *

     * @since S60 v3.0

     */

    IMPORT_C virtual void HandleLayoutChange();

// from base class MCoeViewDeactivationObserver

    /**

     * From MCoeViewDeactivationObserver

     * Handles the activation of the view aNewlyActivatedViewId before

     * the old view aViewIdToBeDeactivated is to be deactivated

     *

     * @param aNewlyActivatedViewId View ID that is newly activated.

     * @param aViewIdToBeDeactivated View ID to be deactivated.

     */