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      28                 :            : 
      29                 :            : #ifndef SD_TOOLPANEL_CONTROLS_MASTER_PAGE_CONTAINER_FILLER_HXX
      30                 :            : #define SD_TOOLPANEL_CONTROLS_MASTER_PAGE_CONTAINER_FILLER_HXX
      31                 :            : 
      32                 :            : #include "MasterPageContainer.hxx"
      33                 :            : #include "MasterPageDescriptor.hxx"
      34                 :            : #include "tools/AsynchronousTask.hxx"
      35                 :            : 
      36                 :            : namespace sd {
      37                 :            : class TemplateScanner;
      38                 :            : class TemplateEntry;
      39                 :            : }
      40                 :            : 
      41                 :            : namespace sd { namespace toolpanel { namespace controls {
      42                 :            : 
      43                 :            : /** Fill a MasterPageContainer with information about the available master
      44                 :            :     pages.  These are provided by one default page and from the existing
      45                 :            :     Impress templates.  This is done asynchronously.
      46                 :            : */
      47                 :            : class MasterPageContainerFiller
      48                 :            :     : public ::sd::tools::AsynchronousTask
      49                 :            : {
      50                 :            : public:
      51                 :          0 :     class ContainerAdapter
      52                 :            :     {
      53                 :            :     public:
      54                 :            :         virtual MasterPageContainer::Token PutMasterPage (
      55                 :            :             const SharedMasterPageDescriptor& rpDescriptor) = 0;
      56                 :            :         /** This method is called when all Impress templates have been added
      57                 :            :             to the container via the PutMasterPage() method.
      58                 :            :         */
      59                 :            :         virtual void FillingDone (void) = 0;
      60                 :            : 
      61                 :            :     protected:
      62                 :          0 :         ~ContainerAdapter() {}
      63                 :            :     };
      64                 :            : 
      65                 :            :     MasterPageContainerFiller (ContainerAdapter& rContainerAdapter);
      66                 :            :     virtual ~MasterPageContainerFiller (void);
      67                 :            : 
      68                 :            :     /** Run the next step of the task.  After HasNextStep() returns false
      69                 :            :         this method should ignore further calls.
      70                 :            :     */
      71                 :            :     virtual void RunNextStep (void);
      72                 :            : 
      73                 :            :     /** Return <TRUE/> when there is at least one more step to execute.
      74                 :            :         When the task has been executed completely then <FALSE/> is
      75                 :            :         returned.
      76                 :            :     */
      77                 :            :     virtual bool HasNextStep (void);
      78                 :            : 
      79                 :            : private:
      80                 :            :     ContainerAdapter& mrContainerAdapter;
      81                 :            :     // Remember what the next step has to do.
      82                 :            :     enum State {
      83                 :            :         INITIALIZE_TEMPLATE_SCANNER,
      84                 :            :         SCAN_TEMPLATE,
      85                 :            :         ADD_TEMPLATE,
      86                 :            :         ERROR,
      87                 :            :         DONE
      88                 :            :     } meState;
      89                 :            :     ::std::auto_ptr<TemplateScanner> mpScannerTask;
      90                 :            :     const TemplateEntry* mpLastAddedEntry;
      91                 :            :     int mnIndex;
      92                 :            : 
      93                 :            :     State ScanTemplate (void);
      94                 :            :     State AddTemplate (void);
      95                 :            : };
      96                 :            : 
      97                 :            : } } } // end of namespace ::sd::toolpanel::controls
      98                 :            : 
      99                 :            : #endif
     100                 :            : 
     101                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */