appfw/apparchitecture/aplist/aplapplist.h
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     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // aplapplist.h
       
    15 //
       
    16 
       
    17 #ifndef __APLAPPLIST_H__
       
    18 #define __APLAPPLIST_H__
       
    19 
       
    20 /*#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
       
    21 #include <apmfndr.h>
       
    22 #else
       
    23 #include <apmstd.h>
       
    24 #endif //SYMBIAN_ENABLE_SPLIT_HEADERS
       
    25 */
       
    26 #include <apaid.h>
       
    27 #include <badesca.h>
       
    28 #include <s32file.h>
       
    29 
       
    30 // classes defined:
       
    31 class CApaAppList;
       
    32 class CApaAppViewData;
       
    33 // classes referenced:
       
    34 class CApaMaskedBitmap;
       
    35 class TEntry;
       
    36 class RFs;
       
    37 class CApaAppRegFinder;
       
    38 class CApaAppIconArray;
       
    39 class CApaIconLoader;
       
    40 class TApaAppEntry;
       
    41 class CApaAppData;
       
    42 class CApaIconCaptionOverrides;
       
    43 class CApaIconCaptionCenrepObserver;
       
    44 
       
    45 /**
       
    46 KIgnoreScreenMode
       
    47 
       
    48 @internalTechnology
       
    49 */
       
    50 const TInt KIgnoreScreenMode=-1;
       
    51 
       
    52 
       
    53 /**
       
    54 The MApaAppListObserver interface allows a class to be informed when a CApaAppList is 
       
    55 updated.
       
    56 
       
    57 @internalComponent
       
    58 */
       
    59 class MApaAppListObserver
       
    60 	{
       
    61 public:
       
    62 	virtual void NotifyUpdate(TInt aReason)=0;
       
    63 	virtual void InitialListPopulationComplete()=0;
       
    64 	virtual void NotifyScanComplete()=0;
       
    65  	};
       
    66 
       
    67 /**
       
    68 The CApaAppList class provides a list of all available applications present on a device.
       
    69 Its functionality should be accessed through the Apparc Server.
       
    70 
       
    71 @internalComponent
       
    72 */
       
    73 class CApaAppList : public CBase
       
    74 	{
       
    75 public: 
       
    76 	IMPORT_C static CApaAppList* NewL(RFs& aFs, TBool aLoadMbmIconsOnDemand, TInt aTimeoutDelay = 50000); // takes ownership of aAppRegFinder
       
    77 public:
       
    78 	IMPORT_C void PurgeL();
       
    79 	IMPORT_C TInt Count() const;
       
    80 	IMPORT_C CApaAppData* FirstApp() const;
       
    81 	IMPORT_C CApaAppData* FirstApp(TInt aScreenMode) const; 
       
    82 	IMPORT_C CApaAppData* NextApp(const CApaAppData* aApp) const;
       
    83 	IMPORT_C CApaAppData* NextApp(const CApaAppData* aApp, TInt aScreenMode) const;
       
    84 	IMPORT_C CApaAppData* AppDataByUid(TUid aAppUid) const;
       
    85 	IMPORT_C void StopScan(TBool aNNAInstall = EFalse);
       
    86 	IMPORT_C void RestartScanL();
       
    87 	IMPORT_C TBool AppListUpdatePending();
       
    88 	// ER5
       
    89 	IMPORT_C TUid PreferredDataHandlerL(const TDataType& aDataType) const;
       
    90 	IMPORT_C void StartIdleUpdateL();
       
    91 	IMPORT_C void StartIdleUpdateL(MApaAppListObserver* aObserver);
       
    92 	IMPORT_C void InitListL(MApaAppListObserver* aObserver);
       
    93 	IMPORT_C TBool IsIdleUpdateComplete() const;
       
    94 	//
       
    95 	IMPORT_C TBool IsFirstScanComplete() const;
       
    96 	IMPORT_C TBool AppScanInProgress() const;
       
    97 	IMPORT_C CBufFlat* ServiceArrayBufferL(TUid aAppUid) const;
       
    98 	IMPORT_C CBufFlat* ServiceImplArrayBufferL(TUid aServiceUid) const;
       
    99 	IMPORT_C CBufFlat* ServiceImplArrayBufferL(TUid aServiceUid, const TDataType& aDataType) const;	
       
   100 	IMPORT_C CBufFlat* ServiceUidBufferL(TUid aAppUid) const;
       
   101 	IMPORT_C CBufFlat* ServiceOpaqueDataBufferL(TUid aAppUid, TUid aServiceUid) const;
       
   102 	IMPORT_C CApaAppData* FindAndAddSpecificAppL(CApaAppRegFinder* aFinder, TUid aAppUid);
       
   103 	IMPORT_C TUid PreferredDataHandlerL(const TDataType& aDataType, const TUid* aServiceUid, 
       
   104 		TInt& aPriority) const;
       
   105 	IMPORT_C ~CApaAppList();
       
   106 	// 9.1
       
   107 	IMPORT_C CApaAppData* AppDataByFileName(const TDesC& aFullFileName) const;
       
   108 	/*IMPORT_C*/ RFs& ShareProtectedFileServer();
       
   109 	IMPORT_C void AddForcedRegistrationL(const TDesC& aRegistrationFile);
       
   110 	IMPORT_C void ResetForcedRegistrations();
       
   111 	IMPORT_C TBool IsLanguageChangePending() const;
       
   112 	IMPORT_C static CApaAppList* Self();
       
   113     IMPORT_C CArrayFixFlat<TUid>* UninstalledAppArray();
       
   114     
       
   115 	void AcquireDefaultIconArrayL() const;
       
   116 	const CApaAppIconArray& DefaultIconArray() const;
       
   117 	void ReleaseDefaultIconArray() const;
       
   118 
       
   119 	void StoreL();
       
   120 	void NotifyObserver();
       
   121 	void DeleteAppListStorer();
       
   122 	void DeleteAppIconLoader();
       
   123 	void InitiateStoringOfAppList();
       
   124 	
       
   125 	IMPORT_C void AddCustomAppInfoInListL(TUid aAppUid, TLanguage aLanguage, const TDesC& aShortCaption);
       
   126 	IMPORT_C void UpdateAppListByShortCaptionL();
       
   127 	IMPORT_C void UpdateAppListByIconCaptionOverridesL();
       
   128 private:
       
   129 	enum
       
   130 		{
       
   131 		EFirstScanComplete = 0x01,
       
   132 		EAppListHasChanged = 0x02,	// This flag is used to check if the applist has really changed after a re-scan/update scan.
       
   133 		ENotifyUpdateOnFirstScanComplete = 0x04,// This flag is used to notify clients for applist update on first boot when AppsList.Bin is used.
       
   134 		ELangChangePending = 0x08 // This flag is used to check if applist update is in progress on language change event.
       
   135 		};
       
   136 private:
       
   137 	CApaAppList(RFs& aFs, TBool aLoadMbmIconsOnDemand, TInt aIdlePeriodicDelay);
       
   138 	void UpdateNextAppL(const TApaAppEntry& aAppEntry,TBool& aHasChanged);
       
   139 	void AddToList( CApaAppData* aAppData );
       
   140 	static void SetPending(CApaAppData* aAppData);
       
   141 	static void SetNotFound(CApaAppData* aAppData, TBool& aHasChanged);
       
   142 	static TInt IdleUpdateCallbackL(TAny* aObject);
       
   143 	TInt IdleUpdateL();
       
   144 	void ScanComplete();
       
   145 	void UndoSetPending(CApaAppData* aAppData);
       
   146 
       
   147 	void StopIdler();
       
   148 	void DeleteAppData();
       
   149 	CArrayFixFlat<TDataTypeWithPriority>* DataTypeArrayDeepCopyLC(const CArrayFixFlat<TDataTypeWithPriority>& aOriginal) const;
       
   150 	CApaAppIconArray* LoadDefaultIconsL() const;
       
   151 	void UpdateDefaultIconsL();
       
   152 
       
   153 	void StartIconLoadingL();
       
   154 	void DeleteAppsListBackUpAndTempFiles();
       
   155 	void ScanRemovableDrivesAndUpdateL();
       
   156 	void CreateDefaultAppIconFileNameL();
       
   157 private: 
       
   158 	// Persistence Layer
       
   159 	void RestoreL();
       
   160 	void ConstructL();
       
   161 
       
   162 	/**
       
   163 	Utility class used to Load Icons once applist is populated
       
   164 	@internalComponent
       
   165 	*/	
       
   166 	NONSHARABLE_CLASS(CApaIdleIconLoader) : public CActive
       
   167 		{
       
   168 	public:
       
   169 		CApaIdleIconLoader(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList);
       
   170 		~CApaIdleIconLoader();
       
   171 		void Start();
       
   172 	private:	// from CActive
       
   173 		void RunL();
       
   174 		void DoCancel();
       
   175 		TInt RunError(TInt aError);
       
   176 	private:
       
   177 		CApaAppData* iCurrentAppData;
       
   178 		RFs& iFs;
       
   179 		CApaAppList& iAppList;
       
   180 		};
       
   181 
       
   182 	/**
       
   183 	Utility class used to externalize applist to file
       
   184 	@internalComponent
       
   185 	*/	
       
   186 	NONSHARABLE_CLASS(CApaAppListStorer) : public CActive
       
   187 		{
       
   188 	public:
       
   189 		static CApaAppListStorer* NewL(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList);
       
   190 		~CApaAppListStorer();
       
   191 		void StartL(const TTimeIntervalMicroSeconds32& aDelay);
       
   192 	private:
       
   193 		CApaAppListStorer(CApaAppData* aFirstAppData, RFs& aFs, CApaAppList& aAppList);
       
   194 		static void StoreEntryL(RWriteStream& aWriteStream, const CApaAppData& aApp);
       
   195 		void ConstructL();
       
   196 	private:	// from CActive
       
   197 		void RunL();
       
   198 		void DoCancel();
       
   199 		TInt RunError(TInt aError);
       
   200 	private:
       
   201 		CApaAppData* iCurrentAppData;
       
   202 		TFileName iTempFilename;
       
   203 		RFileWriteStream iWriteStream;
       
   204 		RTimer iTimer;
       
   205 		RFs& iFs;
       
   206 		CApaAppList& iAppList;
       
   207 		};
       
   208 	
       
   209 	/**
       
   210 	The CCustomAppInfoData class encapsulate the attributes of customised application information
       
   211 	which will be used to modify short caption dynamically.
       
   212 
       
   213 	@internalComponent
       
   214 	*/
       
   215 	NONSHARABLE_CLASS(CCustomAppInfoData) : public CBase
       
   216 		{
       
   217 	public:
       
   218 		static CCustomAppInfoData* NewL(TUid aAppUid, TLanguage aLanguage, const TDesC& aShortCaption);
       
   219 		~CCustomAppInfoData();
       
   220 		inline TUid Uid() const;
       
   221 		inline TLanguage Language() const;
       
   222 		inline HBufC* ShortCaption() const;
       
   223 	private:
       
   224 		CCustomAppInfoData(TUid aAppUid, TLanguage aLanguage);
       
   225 		void ConstructL(const TDesC& aShortCaption);
       
   226 	private:
       
   227 		TUid iUid;
       
   228 		TLanguage iLanguage;
       
   229 		HBufC* iShortCaption;
       
   230 		};
       
   231 
       
   232 private:
       
   233 	RFs& iFs;
       
   234 	CApaAppData* iAppData; // linked list of apps
       
   235 	CPeriodic* iAppIdler;
       
   236 	MApaAppListObserver* iObserver;
       
   237 	CApaAppData* iValidFirstAppData; //First valid app data in linked list!
       
   238 	TInt iFlags;
       
   239 	CApaAppRegFinder* iAppRegFinder;
       
   240 	TInt iIdlePeriodicDelay; 	// idle timeout periodic delay
       
   241 	RFs iFsShareProtected;
       
   242 	mutable CApaAppIconArray* iDefaultIconArray;
       
   243 	mutable TInt iDefaultIconUsageCount;
       
   244 	CDesCArray* iForcedRegistrations;
       
   245 	class CApaLangChangeMonitor; //inner class of CApaAppList.
       
   246 	CApaLangChangeMonitor* iAppLangMonitor; // Active Object used for language change monitoring.		
       
   247 
       
   248 	RBuf iAppsListCacheFileName;
       
   249 	RBuf iAppsListCacheBackUpFileName;
       
   250 	RBuf iAppsListCachePath;
       
   251 
       
   252 	HBufC* iDefaultAppIconMbmFileName; // This member data lives only during the scan
       
   253 	CApaAppListStorer* iAppListStorer;	//Active Object used for writing applist to file.
       
   254 	CApaIdleIconLoader* iAppIconLoader;	//Active Object used for icon handling
       
   255 	TBool iLoadMbmIconsOnDemand;
       
   256 	RPointerArray<CCustomAppInfoData> iCustomAppList;
       
   257 	CApaIconCaptionOverrides* iIconCaptionOverrides;
       
   258 	CApaIconCaptionCenrepObserver* iIconCaptionObserver;
       
   259 	TBool iNNAInstallation;	
       
   260     CArrayFixFlat<TUid>* iUninstalledApps; 	
       
   261     
       
   262 private:
       
   263 	friend class CApaLangChangeMonitor;
       
   264 	};
       
   265 
       
   266 #endif //__APLAPPLIST_H__