1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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20 #ifndef INCLUDED_SD_SOURCE_UI_INC_TOOLS_ASYNCHRONOUSTASK_HXX
21 #define INCLUDED_SD_SOURCE_UI_INC_TOOLS_ASYNCHRONOUSTASK_HXX
23 namespace sd
{ namespace tools
{
25 /** Interface for the asynchronous execution of a task. This interface
26 allows an controller to run the task either timer based with a fixed
27 amount of time between the steps or thread based one step right after
30 class AsynchronousTask
33 /** Run the next step of the task. After HasNextStep() returns false
34 this method should ignore further calls.
36 virtual void RunNextStep() = 0;
38 /** Return <TRUE/> when there is at least one more step to execute.
39 When the task has been executed completely then <FALSE/> is
42 virtual bool HasNextStep() = 0;
45 ~AsynchronousTask() {}
48 } } // end of namespace ::sd::tools
52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */