/*
* Copyright (c) 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:  FreestyleEmailUi generic texturemanager definition
*
*/



#ifndef __FREESTYLEEMAILUI_TEXTUREMANAGER_H__
#define __FREESTYLEEMAILUI_TEXTUREMANAGER_H__


// SYSTEM INCLUDES
#include"FSDelayedLoader.h"
//<cmail> SF
#include <alf/alfimagebrush.h>
#include <alf/alfcontrol.h> 
#include <alf/alftexture.h>
#include <alf/alfbitmapprovider.h>
//</cmail>
#include <AknsBasicBackgroundControlContext.h>

// FORWARD DECLARATIONS
class CAlfEnv;
class CFreestyleEmailUiAppUi;
class CAlfFrameBrush;


enum TFSEmailUiTextures
	{
	// FIRST TEXTURE ID
	ETextureFirst = 6000, // non-texture
	
	// OTHER
	ETextureOtherFirst = 6001, // non-texture
	EListTextureSelector = ETextureOtherFirst,
	EListTextureNodeExpanded,
	EListTextureNodeCollapsed,
	EListTextureControlButton,
	EListTextureMailboxDefaultIcon,
	EListTextureNewEmailDefaultIcon,
	EListTextureCreateNewMessageIcon,
	EListControlBarMailboxDefaultIcon,
	EBackgroundTextureViewerHeading,
	EBackgroundTextureBar,
	EBackgroundTextureThumb,
	EBackgroundTextureMailList,
	EListControlMarkOnIcon,
	EListControlMarkOffIcon,	
	EListControlMenuIcon,
	EMailListBarBgIcon,
	ESearchLookingGlassIcon,
	EControlBarListBackgroundTexture,
	EControlBarButtonBackgroundTexture,
	EControlBarAscendingArrowTexture,
	EControlBarDescendingArrowTexture,
	
	// MESSAGE TEXTURES
	ETextureMessageFirst, // non-texture
	EMessageReadIcon = ETextureMessageFirst,
	EMessageLowPrioReadIcon,
	EMessageLowPrioReadIconAttachment,
	EMessageReadIconAttachment,
	EMessageReadRepliedIcon,
	EMessageReadRepliedIconAttachment,
	EMessageReadRepliedHighPrioIcon,
	EMessageReadRepliedHighPrioIconAttachment,
	EMessageReadRepliedLowPrioIcon,		
	EMessageReadRepliedLowPrioIconAttachment,		
	EMessageReadForwardedIcon,
	EMessageReadForwardedIconAttachment,
	EMessageReadForwardedHighPrioIcon,
	EMessageReadForwardedHighPrioIconAttachment,
	EMessageReadForwardedLowPrioIcon,
	EMessageReadForwardedLowPrioIconAttachment,
	EMessageUnreadIcon,
	EMessageUnreadIconAttachment,
	EMessageLowPrioUnreadIcon,
	EMessageLowPrioUnreadIconAttachment,
	EMessageHighPrioReadIcon,
	EMessageHighPrioReadIconAttachment,
	EMessageHighPrioUnreadIcon,
	EMessageHighPrioUnreadIconAttachment,
	EAttachmentIcon,	
	EMessageUnreadForwardedIcon,
	EMessageUnreadForwardedIconAttachment,
	EMessageUnreadForwardedHighPrioIcon,
	EMessageUnreadForwardedHighPrioIconAttachment,
	EMessageUnreadForwardedLowPrioIcon,
	EMessageUnreadForwardedLowPrioIconAttachment,	
	EMessageUnreadRepliedIcon,
	EMessageUnreadRepliedIconAttachment,
	EMessageUnreadRepliedHighPrioIcon,
	EMessageUnreadRepliedHighPrioIconAttachment,
	EMessageUnreadRepliedLowPrioIcon,
	EMessageUnreadRepliedLowPrioIconAttachment,

	// CALENDAR EVENT TEXTURES
	ETextureCalendarFirst, // non-texture
	EMessageCalInvitation = ETextureCalendarFirst,
	EMessageCalInvitationRead,
	EMessageCalInvitationAttachments,
	EMessageCalInvitationReadAttachments,	
	EMessageCalInvitationHighPrio,
	EMessageCalInvitationReadHighPrio,
	EMessageCalInvitationAttachmentsHighPrio,
	EMessageCalInvitationReadAttachmentsHighPrio,
	EMessageCalInvitationLowPrio,
	EMessageCalInvitationReadLowPrio,
	EMessageCalInvitationAttachmentsLowPrio,
	EMessageCalInvitationReadAttachmentsLowPrio,
	EMessageCalInvitationCancelled,

	// GRID TEXTURES
	ETextureGridFirst, // non-texture
	EGridInboxTexture = ETextureGridFirst,
    EGridDirectoryTexture,
    EGridSettingsTexture,
    EGridAddNewBoxTexture,
    EGridHelpTexture,
    EGridAboutTexture,
    EGridBackground, 
    
    // FLAG ICONS
    ETextureFlagFirst, // non-texture
	EFollowUpFlag = ETextureFlagFirst,
	EFollowUpFlagComplete,
	EFollowUpFlagList,
	EFollowUpFlagCompleteList,
	
    // FOLDER LIST ICONS
    ETextureFolderFirst, // non-texture
    EFolderListMoreFoldersTexture = ETextureFolderFirst,
    EFolderListInboxTexture,
    EFolderListInboxSubfoldersTexture,
    EFolderListOutboxTexture,
    EFolderListDraftsTexture,
    EFolderListSentTexture,
    EFolderListDeletedItemsTexture,
    EFolderListServerFoldersTexture,
    EFolderListEmailAccountTexture,
    EFolderListMoreFoldersTexturePopup,
    EFolderListInboxTexturePopup,
    EFolderListInboxSubfoldersTexturePopup,
    EFolderListOutboxTexturePopup,
    EFolderListDraftsTexturePopup,
    EFolderListSentTexturePopup,
    EFolderListDeletedItemsTexturePopup,
    EFolderListServerFoldersTexturePopup,
    EFolderListEmailAccountTexturePopup,
    // SORT LIST ICONS
    ESortListAttachmentAscTexturePopup,
    ESortListAttachmentDescTexturePopup,
    ESortListDateAscTexturePopup,
    ESortListDateDescTexturePopup,
    ESortListFollowAscTexturePopup,
    ESortListFollowDescTexturePopup,
    ESortListPriorityAscTexturePopup,
    ESortListPriorityDescTexturePopup,
    ESortListSenderAscTexturePopup,
    ESortListSenderDescTexturePopup,
    ESortListSubjectAscTexturePopup,
    ESortListSubjectDescTexturePopup,
    ESortListUnreadAscTexturePopup,
    ESortListUnreadDescTexturePopup,    
    ESortListAttachmentAscTexture,
    ESortListAttachmentDescTexture,
    ESortListDateAscTexture,
    ESortListDateDescTexture,
    ESortListFollowAscTexture,
    ESortListFollowDescTexture,
    ESortListPriorityAscTexture,
    ESortListPriorityDescTexture,
    ESortListSenderAscTexture,
    ESortListSenderDescTexture,
    ESortListSubjectAscTexture,
    ESortListSubjectDescTexture,
    ESortListUnreadAscTexture,
    ESortListUnreadDescTexture,

	// STATUS INDICATOR ICONS
	ETextureStatusFirst, // non-texture
	EStatusTextureSynchronising = ETextureStatusFirst,
	EStatusTextureConnected,
	EStatusTextureConnecting,
	EStatusTextureDisconnectedGeneral,
	EStatusTextureDisconnectedError,
	EStatusTextureDisconnectedLowBattery,
	EStatusTextureMailSent,

	// VIEWER TEXTURES
	ETextureViewerFirst, // non-texture
	EViewerTextureHeaderBackGround = ETextureViewerFirst,
	EViewerHighlightTexture,

	// COMPOSER TEXTURES
	ETextureComposerFirst, // no-texture
	EComposerTexturePriorityLow = ETextureComposerFirst,
	EComposerTexturePriorityHigh,
	
	// ATTACHMENT ICONS
	ETextureAttachmentsFirst, // non-texture
	EAttachmentsDocFile = ETextureAttachmentsFirst,
	EAttachmentsHtmlFile,
	EAttachmentsImageFile,
	EAttachmentsPdfFile,
	EAttachmentsPptFile,
	EAttachmentsRtfFile,
	EAttachmentsUnknownFile,
	EAttachmentsXls,
	EAttachmentsNotDownloaded,
	EAttachmentsCancelDownload,
	EAttachmentsDownload,
	EAttachmentsSaveAll,
	EAttachmentsCancelAll,
	EAttachmentsViewAll,
    
	// TEXTURE COUNT
	ETextureCount,
	
	// Branded mailbox icons. Max 101 icons 3 sizes of each
	// (Launcher grid, Inbox view and Folders dropdown view)
	EBrandedIconStart = 8000,
	EBrandedIconEnd = 8303,
	
	// GRID ECOM PLUGIN ICONS, Dynamically updated, 
	// do not add icons after this
	EGridPluginIconFirst 
	};

class CFreestyleEmailUiTextureManager: 
	public CAlfControl, 
	public MAlfBitmapProvider,
	public MFsDelayedLoadingInterface
    {
// to prevent creating multiple instances NewL has been hidden
// and AppUi has been declared as friend class
friend class CFreestyleEmailUiAppUi;

public:
	// Get correct backgroung image for current resolution
	CAlfTexture& BackgroundForThisResolutionL();
	// Get flush background image for the current resolution
	CAlfTexture& WatermarkBackgroundForThisResolutionL();	
	// Get any texture by ID
	CAlfTexture& TextureByIndex( TFSEmailUiTextures aIndex );
	// Clear any texture by ID
	void ClearTextureByIndex( TFSEmailUiTextures aIndex );
	// Get new skinned selector brush object for gen ui list.
	// Ownership is NOT transferred to caller.
	CAlfFrameBrush* ListSelectorBrushL();
	// Get new skinned grid selector brush object
	// Ownership is NOT transferred to caller.
    CAlfFrameBrush* GridSelectorBrushL();
	// Get new skinned selector brush object for gen ui control bar.
	// Ownership IS transferred to caller.
	CAlfFrameBrush* NewCtrlBarSelectorBrushLC();
	// <cmail>
    // Get new skinned selector brush object for gen ui popup list.
    // Ownership IS transferred to caller.	
	CAlfFrameBrush* NewListSelectorBrushL();
	// </cmail>
	// Get new scrollbar top background object. 
	// Ownership IS transferred to caller.
	CAlfFrameBrush* NewScrollBarTopBgBrushLC();
	// Get new scrollbar bottom background object. 
    // Ownership IS transferred to caller.
	CAlfFrameBrush* NewScrollBarBottomBgBrushLC();
	// Get new scrollbar center background object. 
    // Ownership IS transferred to caller.
	CAlfFrameBrush* NewScrollBarCenterBgBrushLC();
	// Get new scrollbar thumb object. 
    // Ownership IS transferred to caller.
	CAlfFrameBrush* NewScrollBarThumbBrushLC();
	// Get new mail list separator brush	
	// Ownership IS transferred to caller.
	CAlfFrameBrush* NewMailListSeparatorBgBrushLC();
	// Get new mail list separator brush	
    // Ownership IS transferred to caller.
	CAlfImageBrush* NewControlBarListBgBrushLC();
	// Get new controlbar button bg brush
    // Ownership IS transferred to caller.
	CAlfImageBrush* NewControlBarButtonBgBrushLC();

	// <cmail>
	// Ownerhip not transfered.
	CAlfFrameBrush* TitleDividerBgBrushL();
	// </cmail>

	// Create branded mailbox icon into TextureManager
	void CreateBrandedMailboxTexture( CGulIcon* aIcon, const TUid aPluginId, const TUint aMailboxId, const TSize& aSize );
	// Get branded mailbox icon
	CAlfTexture& TextureByMailboxIdL( const TUid aPluginId, const TUint aMailboxId, const TSize& aSize );
    
public: // from MAlfBitmapProvider

    void ProvideBitmapL(TInt aId, CFbsBitmap*& aBitmap, CFbsBitmap*& aMaskBitmap);
    
public: // from MFsDelayedLoadingInterface

    /**
    * DelayLoadCallback
    * Delayed loading callback
    * @return ETrue to keep calling, EFalse to stop callbacks
    */
	TInt DelayLoadCallback();
	
private: 
    // This class should not be used directly, use iAppUi->TextureManger() instance
    static CFreestyleEmailUiTextureManager* NewL( CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi );
    virtual ~CFreestyleEmailUiTextureManager();
    
    CFreestyleEmailUiTextureManager( CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi );
    void ConstructL(CAlfEnv& aEnv);
    void CreateTexturesL(); 
    
    void InitTextureArray();
    void LoadTextureL( TFSEmailUiTextures aTextureId ); // CHECKLATER - is this ok? see migration 3.12.1
	// <cmail> S60 Skin support
	void GetBackgroundBitmapL (CFbsBitmap*& bitmap) const; 
	void DrawContextL (CFbsBitmap*& bitmap, TAknsItemID id, TSize rsize) const;
	// </cmail>

private:
	// ALF environment - CHECKLATER - added this myself, but should be alright
    CAlfEnv* iEnv;

	CFreestyleEmailUiAppUi* iAppUi;
	CAlfFrameBrush* iFrameBrush;
	//<cmail>
	CAlfFrameBrush* iNewFrameBrush;
	CAlfFrameBrush* iTitleDividerBgBrush;
	//</cmail>
	
    /**
    * array for holding texture objects
    */
    RPointerArray<CAlfTexture> iTextures;

    /**
    * array for holding branded mailbox icons
    */
    RPointerArray<CAlfTexture> iBrandedMailboxIcons;
    RArray<TUid> iPluginId;
    RArray<TUint> iMailboxId;
    RArray<TSize> iSize;
    /*
     * Temporary variables for holding the mailbox icon and id
     * before create.
     */
    CFbsBitmap*   iTmpBitmap;
    CFbsBitmap*   iTmpMaskBitmap;
    TUid          iTmpPluginId;
    TUint         iTmpMailboxId;
    TSize         iTmpSize;

    /**
    * index indicating delay loading progress within
    * textures array
    */
    TInt iDelayLoadIndex;
    
	};

#endif // __FREESTYLEEMAILUI_LISTCONTROL_H__