email/mail/inc/CMailMessage.h
branchRCL_3
changeset 27 7fdbb852d323
parent 0 72b543305e3a
equal deleted inserted replaced
26:ebe688cedc25 27:7fdbb852d323
       
     1 /*
       
     2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Message container class for mail editor / viewer
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CMAILMESSAGE_H
       
    21 #define CMAILMESSAGE_H
       
    22 
       
    23 //  INCLUDES
       
    24 #include <msvstd.h>
       
    25 #include <cmsvattachment.h>
       
    26 
       
    27 // DATA TYPES
       
    28 
       
    29 // FORWARD DECLARATIONS
       
    30 class CMsvEntry;
       
    31 class CImHeader;
       
    32 class CImEmailMessage;
       
    33 class CRichText;
       
    34 class CParaFormatLayer;
       
    35 class CCharFormatLayer;
       
    36 class MMessageLoadObserver;
       
    37 class MMsvAttachmentManager;
       
    38 class TMsvEmailEntry;
       
    39 class CMsvSession;
       
    40 class CMsvAttachment;
       
    41 class RFile;
       
    42 class CMuiuOperationWait;
       
    43 class CImMimeHeader;
       
    44 
       
    45 // CLASS DECLARATION
       
    46 /**
       
    47 *  Internal helper class for linked html files.
       
    48 */
       
    49 NONSHARABLE_CLASS(CLinkedHtmlItem): public CBase
       
    50     {
       
    51     public:
       
    52     inline CLinkedHtmlItem(const TDesC& aURI, TMsvAttachmentId aLinkedfileId )
       
    53         {
       
    54         delete iUriAddress;
       
    55         iUriAddress = NULL;
       
    56         iUriAddress = aURI.AllocL();
       
    57         iLinkedItemId = aLinkedfileId;
       
    58         };
       
    59     inline ~CLinkedHtmlItem()
       
    60         {
       
    61         delete iUriAddress;
       
    62         };
       
    63     public: // Data
       
    64         HBufC*      iUriAddress;
       
    65         TMsvAttachmentId      iLinkedItemId;
       
    66     };
       
    67 
       
    68 /**
       
    69 *  Mail message.
       
    70 *  Mail message container
       
    71 *
       
    72 *  @lib MsgMailUtils.dll
       
    73 *  @since Series 60 3.0
       
    74 */
       
    75 NONSHARABLE_CLASS(CMailMessage) : public CActive
       
    76     {
       
    77     public:  // Load state
       
    78         enum TLoadState
       
    79             {
       
    80             EHeaderReady = 0,
       
    81             EBodyTextReady,
       
    82             EAttachmentsReady,
       
    83             EAttachedMessagesReady,
       
    84             ELinkedFileReady,
       
    85             ELoadEnd
       
    86             };
       
    87     public:  // Constructors and destructor
       
    88         /**
       
    89         * Two-phased constructor.
       
    90         * @param aEntry CMsvEntry that contais mail message.
       
    91         */
       
    92         IMPORT_C static CMailMessage* NewL(CMsvEntry& aEntry);
       
    93 
       
    94         /**
       
    95         * Destructor.
       
    96         */
       
    97         virtual ~CMailMessage();
       
    98 
       
    99     public: // New functions
       
   100 
       
   101         /**
       
   102         * Start Message loading.
       
   103         * @since Series 60 3.0
       
   104         * @param aMessageObserver loading observer
       
   105         */
       
   106         IMPORT_C void LoadMessageL(
       
   107             MMessageLoadObserver& aMessageObserver);
       
   108 
       
   109         /**
       
   110         * Start loading linked HtmlContent
       
   111         * @param aBase
       
   112         * @param aURI
       
   113         * Observer from LoadMessageL is Notified "ELinkedFileReady"
       
   114         * when file loaded.
       
   115         * *DEPRECATED*
       
   116         */
       
   117         IMPORT_C void LoadLinkedHtmlContentL(
       
   118         	const TDesC& aBase, const TDesC& aURI);
       
   119 
       
   120         /**
       
   121         * inline MessageHeader.
       
   122         * @since Series 60 3.0
       
   123         * @return pointer to message body text. Ownership not transferred.
       
   124         */
       
   125         CImHeader* MessageHeader();
       
   126 
       
   127         /**
       
   128         * HtmlCharsetIdL.
       
   129         * @since Series 60 3.1
       
   130         * @return character set id of message html part.
       
   131         */
       
   132         IMPORT_C TUint HtmlCharsetIdL();
       
   133 
       
   134         /**
       
   135         * CharsetIdL.
       
   136         * @since Series 60 3.0
       
   137         * @return character set id.
       
   138         */
       
   139         IMPORT_C TUint CharsetIdL();
       
   140 
       
   141         /**
       
   142         * ConvertToCharsetL.
       
   143         * @since Series 60 3.0
       
   144         * @param character set id.
       
   145         */
       
   146         IMPORT_C void ConvertToCharsetL(TUint aCharsetId);
       
   147 
       
   148         /**
       
   149         * inline MessageBody.
       
   150         * @since Series 60 3.0
       
   151         * @return pointer to message body text. Ownership not transferred.
       
   152         */
       
   153         CRichText* MessageBody();
       
   154 
       
   155         /**
       
   156         * AttachmentManager.
       
   157         * @since Series 60 3.0
       
   158         * @return attachment manager
       
   159         */
       
   160         IMPORT_C MMsvAttachmentManager& AttachmentManager() const;
       
   161 
       
   162 		/**
       
   163 		* LoadAttachments
       
   164 		* @param aObserver load observer.
       
   165 		* client will be notified trought aObserver when loading is done.
       
   166 		*/
       
   167 		IMPORT_C void LoadAttachmentsL(MMessageLoadObserver& aObserver);
       
   168 
       
   169 		/**
       
   170 		* LoadAttachedMessagesL
       
   171 		* @param aObserver load observer.
       
   172 		* client will be notified trought aObserver when loading is done.
       
   173 		*/
       
   174 		IMPORT_C void LoadAttachedMessagesL(MMessageLoadObserver& aObserver);
       
   175 
       
   176 		/**
       
   177 		* LoadHtmlContentL
       
   178 		* @param aObserver load observer.
       
   179 		* client will be notified trought aObserver when loading is done.
       
   180 		*/
       
   181 		IMPORT_C void LoadHtmlContentL(MMessageLoadObserver& aObserver);
       
   182 
       
   183         /**
       
   184         * LoadLinkedHtmlContentL.
       
   185         * @since Series 60 3.0
       
   186         * @param aBase. Base
       
   187         * @param aURI. Content to be searched.
       
   188         * @param aObserver load observer.
       
   189         * Client must call "LoadHtmlContentL" before calling this method.
       
   190         * Result can be read by calling "LinkedHtmlContent"
       
   191         * when observer is notified.
       
   192         */
       
   193         IMPORT_C void LoadLinkedHtmlContentL(
       
   194             const TDesC& aBase,
       
   195             const TDesC& aURI,
       
   196             MMessageLoadObserver& aObserver );
       
   197 
       
   198 		/**
       
   199 		* GetFileHandleL
       
   200 		* Returns file handle to attachment.
       
   201 		* @param aId attachment id.
       
   202 		* Caller must close the handle.
       
   203 		*/
       
   204         IMPORT_C RFile GetFileHandleL( TMsvAttachmentId aId );
       
   205 
       
   206         /**
       
   207         * Overrides the html character set
       
   208         */
       
   209         IMPORT_C void OverrideHtmlMessageCharset( TUint aCharsetId );
       
   210 
       
   211         /**
       
   212         * inline MessageEntry
       
   213         * @return message TMsvEmailEntry
       
   214         */
       
   215         TMsvEmailEntry MessageEntry();
       
   216 
       
   217         /**
       
   218         * inline MessageType
       
   219         * @return message type uid (iMtm)
       
   220         */
       
   221         TUid MessageType();
       
   222 
       
   223         /**
       
   224         * inline HtmlContent
       
   225         * @return File handle to HTML content.
       
   226         * Client must close the handle.
       
   227         */
       
   228         RFile HtmlContent();
       
   229 
       
   230         /**
       
   231         * inline LinkedHtmlContent
       
   232         * @return File handle to linked HTML content
       
   233         * Client must close the handle.
       
   234         */
       
   235         RFile LinkedHtmlContent();
       
   236 
       
   237         /**
       
   238         * inline Session
       
   239         * @return Messge server session. Ownership not transferred.
       
   240         */
       
   241         CMsvSession* Session();
       
   242 
       
   243         /**
       
   244         * inline Selection
       
   245         * @return Message selection
       
   246         */
       
   247         const CMsvEntrySelection& Selection();
       
   248 
       
   249         /**
       
   250         * inline LinkedHtmlId
       
   251         * @return Linked content id
       
   252         */
       
   253         TMsvId LinkedHtmlId();
       
   254 
       
   255         /**
       
   256         * inline HtmlFileId
       
   257         * @return Html file id
       
   258         */
       
   259         TMsvId MhtmlPartId();
       
   260 
       
   261         /**
       
   262         * inline SetNew
       
   263         * @param aNew ETrue if new message.
       
   264         */
       
   265         void SetNew( TBool aNew );
       
   266 
       
   267         /**
       
   268         * inline IsNew
       
   269         * @return ETrue if new message.
       
   270         */
       
   271         TBool IsNew() const;
       
   272 
       
   273     public: // Functions from base classes
       
   274 
       
   275     protected: // Functions from base classes
       
   276         // From CActive
       
   277         void DoCancel();
       
   278         void RunL();
       
   279         TInt RunError(TInt aError);
       
   280 
       
   281     private:  // Implementation
       
   282         void DoNextStateL();
       
   283         TUint DoGetMimeCharsetIdL( CMsvEntry& aEntry );
       
   284         TUint DetermineCharactersetIdFromMimeHeaderL( CMsvEntry& aEntry,
       
   285         									const CImMimeHeader* aMime );
       
   286         TBool NextStateL();
       
   287         void LoadBodyTextL();
       
   288         void LoadHTMLContentL();
       
   289         void LoadLinkedHTMLContentL(const TDesC& aBase, const TDesC& aURI);
       
   290         void LoadAttachmentsL();
       
   291         void LoadAttachedMessagesL();
       
   292         void NotifyObserverL(TInt aState);
       
   293         TBool IsLinkedItemL( RFile& aHandle, TMsvAttachmentId aId );
       
   294         void ShowErrorNoteL( TInt aError );
       
   295 		// cleanups the array of active scheduler waits
       
   296         void CleanupWaitArray();
       
   297     private:
       
   298         /**
       
   299         * constructor.
       
   300         */
       
   301         CMailMessage();
       
   302 
       
   303         /**
       
   304         * By default Symbian 2nd phase constructor is private.
       
   305         */
       
   306         void ConstructL(CMsvEntry& aEntry);
       
   307 
       
   308     private:    // Data
       
   309         TBool iNewMessage;
       
   310         // message id
       
   311         TMsvId iMessageID;
       
   312         // own: copy of message entry
       
   313         CMsvEntry* iEntry;
       
   314         // Own: Mail message
       
   315         CImEmailMessage* iMessage;
       
   316         // Own: Message header
       
   317         CImHeader* iHeader;
       
   318         // Own: Message Body text
       
   319         CRichText* iBodyText;
       
   320         // Own: Para & Char layer for rich text body
       
   321         CParaFormatLayer* iGlobalParaLayer;
       
   322         CCharFormatLayer* iGlobalCharLayer;
       
   323         // Internal loading state
       
   324         TInt iState;
       
   325         // Html file handle
       
   326         RFile iHtmlFile;
       
   327         // html id
       
   328         TMsvId iMhtmlPartId;
       
   329         // linked content id
       
   330         TMsvId iLinkedfileId;
       
   331         // Linked html file
       
   332         RFile iLinkedHtmlFile;
       
   333         // messge flags
       
   334         TInt iFlags;
       
   335         // character set id
       
   336         TUint iCharacterSetId;
       
   337         // Ref: Mail viewer app ui
       
   338         MMessageLoadObserver* iMessageObserver;
       
   339         // Own: uri address
       
   340         HBufC* iURI;
       
   341         // Own: linked html items array
       
   342         RPointerArray<CLinkedHtmlItem>* iLinkedHtmlItems;
       
   343         // Own: object which converts asynchronous -> synchronous
       
   344         // must be a member to handle exiting during wait properly
       
   345         RPointerArray<CMuiuOperationWait> iWaitArray;
       
   346         CMuiuOperationWait* iAsyncWait;
       
   347     };
       
   348 
       
   349 #include "CMailMessage.inl"
       
   350 
       
   351 #endif      // CMAILMESSAGE_H
       
   352 
       
   353 // End of File