diff options
Diffstat (limited to 'library/multithreading.h')
-rw-r--r-- | library/multithreading.h | 52 |
1 files changed, 2 insertions, 50 deletions
diff --git a/library/multithreading.h b/library/multithreading.h index 161fd687..68ad7492 100644 --- a/library/multithreading.h +++ b/library/multithreading.h @@ -1,55 +1,7 @@ #ifndef MULTITHREADING_H_INCLUDED #define MULTITHREADING_H_INCLUDED -#include <wx/string.h> -#include <wx/thread.h> - -const int UI_UPDATE_INTERVAL = 100; //perform ui updates not more often than necessary, 100 seems to be a good value with only a minimal performance loss - -bool updateUiIsAllowed(); //test if a specific amount of time is over -void updateUiNow(); //do the updating - - -//interface for status updates (can be implemented by UI or commandline) -//overwrite virtual methods for respective functionality -class StatusUpdater -{ -public: - StatusUpdater() : - abortionRequested(false) {} - virtual ~StatusUpdater() {} - - //these methods have to be implemented in the derived classes to handle error and status information - virtual void updateStatusText(const wxString& text) = 0; - virtual void initNewProcess(int objectsTotal, double dataTotal, int processID) = 0; //informs about the total amount of data that will be processed from now on - virtual void updateProcessedData(int objectsProcessed, double dataProcessed) = 0; //called periodically after data was processed - virtual int reportError(const wxString& text) = 0; - - //this method is triggered repeatedly by requestUiRefresh() and can be used to refresh the ui by dispatching pending events - virtual void forceUiRefresh() = 0; - void requestUiRefresh(bool asyncProcessActive = false) - { - if (updateUiIsAllowed()) //test if specific time span between ui updates is over - forceUiRefresh(); - - if (abortionRequested && !asyncProcessActive) - abortThisProcess(); //abort can be triggered by requestAbortion() - } - - void requestAbortion() //opportunity to abort must be implemented in a frequently executed method like requestUiRefresh() - { //currently used by the UI status information screen, when button "Abort is pressed" - abortionRequested = true; - } - - static const int continueNext = -1; - static const int retry = -2; - -protected: - virtual void abortThisProcess() = 0; - - bool abortionRequested; -}; - +#include "statusHandler.h" class WorkerThread; @@ -65,7 +17,7 @@ public: virtual ~UpdateWhileExecuting(); void waitUntilReady(); - void execute(StatusUpdater* statusUpdater); + void execute(StatusHandler* statusUpdater); private: |