sc/inc/chartlock.hxx

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  30
  31 #ifndef SC_CHARTLOCK_HXX
  32 #define SC_CHARTLOCK_HXX
  33
  34
  35 #include <vcl/timer.hxx>
  36
  37 #include <cppuhelper/weakref.hxx>
  38 #include <com/sun/star/frame/XModel.hpp>
  39
  40 #include <memory>
  41
  42 class ScDocument;
  43
  44 /** All current charts in the calc will be locked in constructor and unlocked in destructor.
  45 */
  46 class ScChartLockGuard
  47 {
  48 public:
  49                                         ScChartLockGuard( ScDocument* pDoc );
  50         virtual                 ~ScChartLockGuard();
  51
  52     void            AlsoLockThisChart( const ::com::sun::star::uno::Reference<
  53                         ::com::sun::star::frame::XModel >& xModel );
  54
  55 private:
  56     std::vector< ::com::sun::star::uno::WeakReference<
  57         ::com::sun::star::frame::XModel > > maChartModels;
  58
  59     ScChartLockGuard();
  60     ScChartLockGuard( const ScChartLockGuard& );
  61 };
  62
  63 /** Use this to lock all charts in the calc for a little time.
  64     They will unlock automatically unless you call StartOrContinueLocking() again.
  65 */
  66 class ScTemporaryChartLock
  67 {
  68 public:
  69                                         ScTemporaryChartLock( ScDocument* pDoc );
  70         virtual                 ~ScTemporaryChartLock();
  71
  72         void                    StartOrContinueLocking();
  73     void                        StopLocking();
  74     void            AlsoLockThisChart( const ::com::sun::star::uno::Reference<
  75                         ::com::sun::star::frame::XModel >& xModel );
  76
  77 private:
  78     ScDocument*                             mpDoc;
  79     Timer                                           maTimer;
  80         std::auto_ptr< ScChartLockGuard >   mapScChartLockGuard;
  81
  82         DECL_LINK( TimeoutHdl, Timer* );
  83
  84     ScTemporaryChartLock();
  85     ScTemporaryChartLock( const ScTemporaryChartLock& );
  86 };
  87
  88
  89 #endif