--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/mrfieldbuilderplugin/inc/cmrattachmentcommandhandler.h	Wed Mar 31 21:08:33 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2009 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:  MR Attachment field for editor and viewer
+ *
+*/
+
+
+#ifndef CMRATTACHMENTCOMMANDHANDLER_H
+#define CMRATTACHMENTCOMMANDHANDLER_H
+
+#include <e32base.h>
+#include <bamdesca.h>
+
+#include "esmrdef.h"
+#include "mcalremoteattachmentoperationobserver.h"
+
+// Forward declarations
+class CCalEntry;
+class CESMRRichTextLink;
+class CCalRemoteAttachmentApi;
+class CCalRemoteAttachmentInfo;
+class CDocumentHandler;
+class MESMRFieldEventQueue;
+class CMRAttachmentCommand;
+
+/**
+ * CMRAttachmentCommandHandler is responsible for handling attachment
+ * related commands.
+ */
+NONSHARABLE_CLASS( CMRAttachmentCommandHandler ):
+        public CBase,
+        public MCalRemoteAttachmentOperationObserver
+
+    {
+public: // Construction and destructions
+
+    /**
+     * Creates and initializes new CMRAttachmentCommandHandler object.
+     * Ownership is transferred to caller.
+     * @param aEntry Reference to calendar entry
+     */
+    static CMRAttachmentCommandHandler* NewL(
+            CCalEntry& aEntry,
+            MESMRFieldEventQueue& aEventQueue );
+
+    /**
+     * C++ destructor
+     */
+    ~CMRAttachmentCommandHandler();
+
+public: // Interface
+
+    /**
+     * Handles attachment related command for currently selected
+     * attachment link.
+     * @param aCommandId Defines the command to be executed
+     * @param aSelectedLink Reference to selected link.
+     */
+    void HandleAttachmentCommandL(
+            TInt aCommandId,
+            const CESMRRichTextLink& aSelectedLink );
+
+    /**
+     * Tests whether curerntly selected link is remote or not.
+     * @param aSelectedLink Reference to selected link.
+     * @return ETrue, if currently selected link is remote attachment
+     */
+    TBool IsRemoteAttachmentL(
+            const CESMRRichTextLink& aSelectedLink );
+
+    /**
+     * Sets remote attachment API information for the command handler.
+     * @param aRemoteaAttaApi Reference to remote attachment API
+     * @param aAttachmentInfo Reference to attachment information structure
+     */
+    void SetRemoteAttachmentInformationL(
+            CCalRemoteAttachmentApi& aRemoteAttaApi,
+            CCalRemoteAttachmentInfo& aAttachmentInfo );
+
+    /**
+     * Handles remote attachment command.
+     * @param aCommandId Defines the command to be executed
+     * @param aSelectedLink Reference to selected link.
+     */
+    void HandleRemoteAttachmentCommandL(
+            TInt aCommandId,
+            const CESMRRichTextLink& aSelectedLink );
+
+    /**
+     * Fetches reference to remote operations
+     * @return REference to download operation list.
+     */
+    RPointerArray<MCalRemoteAttachmentOperation>& RemoteOperations();
+
+    /**
+     * Returns the current command id in progress.
+     * @return current command id or 0
+     */
+    TInt CurrentCommandInProgress() const;
+
+private: // From MCalRemoteAttachmentOperationObserver
+    void Progress(
+             MCalRemoteAttachmentOperation* aOperation,
+             TInt aPercentageCompleted );
+    void OperationCompleted(
+            MCalRemoteAttachmentOperation* aOperation,
+            RFile& aAttachment );
+    void OperationError(
+            MCalRemoteAttachmentOperation* aOperation,
+            TInt aErrorCode );
+
+private: // Implementation
+    CMRAttachmentCommandHandler(
+            CCalEntry& aEntry,
+            MESMRFieldEventQueue& aEventQueue );
+    void ConstructL();
+    TInt ResolveAttachmentIndexL(
+            const TDesC& aAttachmentLabel );
+    TInt CommandIndex( const TDesC& aAttachmentLabel );
+    TInt RemoteAttachmentIndexL(
+            const TDesC& aAttachmentLabel );
+    void HandleOperationCompletedL(
+            MCalRemoteAttachmentOperation* aOperation,
+            RFile& aAttachment );
+    void HandleAttachmentCommandInternalL(
+                TInt aCommandId,
+                TInt aAttachmentIndex );
+    void UpdateLocalAttachmentL(
+            const TDesC& aAttachmentLabel,
+            RFile& aAttachment,
+            TInt aAttachmentIndex );
+    void NotifyProgressL(
+            const TDesC& aAttachmentLabel,
+            TInt aPercentageCompleted );
+    void HandleRemoteAttachmentCommandInternalL(
+            TInt aCommandId,
+            const TDesC& aRemoteAttachmentLabel );
+    void HideDownloadIndicatorL();
+    void ExecuteCommandL(
+            TInt aCommandId,
+            CMRAttachmentCommand& aCommand,
+            TInt aAttachmentIndex );
+    void SaveAllAttachmentsL();
+    void SaveNextRemoteAttachmentL();
+
+private: // Data
+    /// Ref: Reference to calendar entry
+    CCalEntry& iEntry;
+    /// Ref: Remote attachment API
+    CCalRemoteAttachmentApi* iRemoteAttachmentApi;
+    /// Ref: Remote attachment info
+    CCalRemoteAttachmentInfo* iAttachmentInfo;
+    /// Own: Download operation
+    RPointerArray<MCalRemoteAttachmentOperation> iDownloadOperations;
+    /// Own: Remote command in progress
+    TInt iCommandInProgress;
+    /// Own: Document handler
+    CDocumentHandler* iDocHandler;
+    /// Ref: Event queue
+    MESMRFieldEventQueue& iEventQueue;
+    };
+
+#endif // CMRATTACHMENTCOMMANDHANDLER_H
+
+// EOF