Make folders tell their type

svn path=/trunk/kdenetwork/kmail/; revision=197410

kmfolder.h

@@ -84,6 +84,9 @@ public:
   KMFolder(KMFolderDir* parent=0, const QString& name=QString::null);
   virtual ~KMFolder();
 
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const = 0;
+
   /** Returns the filename of the folder (reimplemented in KMFolderImap) */
   virtual QString fileName() const { return name(); }
 

kmfolderimap.h

@@ -85,6 +85,9 @@ public:
   KMFolderImap(KMFolderDir* parent=0, const QString& name=QString::null);
   virtual ~KMFolderImap();
 
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const { return KMFolderTypeImap; }
+
   virtual QCString protocol() const { return "imap"; }
   virtual KMMessage* getMsg(int idx);
   /** The path to the imap folder on the server */

kmfoldermaildir.h

@@ -37,6 +37,9 @@ public:
   KMFolderMaildir(KMFolderDir* parent=0, const QString& name=QString::null);
   virtual ~KMFolderMaildir();
 
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const { return KMFolderTypeMaildir; }
+
   /** Read a message and return a referece to a string */
   virtual QCString& getMsgString(int idx, QCString& mDest);
   virtual DwString getDwString(int idx);

kmfoldermbox.h

@@ -53,6 +53,9 @@ public:
   KMFolderMbox(KMFolderDir* parent=0, const QString& name=QString::null);
   virtual ~KMFolderMbox();
 
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const { return KMFolderTypeMbox; }
+
   /** Read a message and return a referece to a string */
   virtual QCString& getMsgString(int idx, QCString& mDest);
   DwString getDwString(int idx);

kmfoldersearch.h

@@ -85,6 +85,9 @@ public:
   KMFolderSearch(KMFolderDir* parent=0, const QString& name=QString::null);
   virtual ~KMFolderSearch();
 
+  /** Returns the type of this folder */
+  virtual KMFolderType folderType() const { return KMFolderTypeSearch; }
+
   // Sets and runs the search used by the folder
   void setSearch(KMSearch *search);
   // Returns the current search used by the folder