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NCBI C++ ToolKit: include/gui/framework/app_task_impl.hpp Source File

(

& descr =

,

visible =

,

display_delay = 0);

x_IsFiniteState();

OnTaskEvent(

* event);

CAppTask - default implementation of IAppTask, use it as a base class for custom tasks.

int m_DisplayDelay

tasks display delay

CEventHandler * m_Listener

const bool m_Visible

indicates whether the task is visible

string m_Descr

task description

CCompositeAppTask - an application task that consists of subtasks.

virtual TTaskRef x_NextSubTask()=0

prepares the next subtask (makes it current), this function is used for iterating subtasks.

CIRef< IAppTask > TTaskRef

CCompositeAppTask(const string &descr=kEmptyStr, bool visible=true)

virtual TTaskRef x_GetCurrentSubTask()=0

returns a references to the current subtask

CEvent - generic event implementation TODO TODO - Attachments.

void(*)(CSeq_entry_Handle seh, IWorkbench *wb, const CSerialObject &obj) handler

virtual void CancelBackgrounded()=0

make a request to cancel backgrounded task (not called for foreground tasks)

virtual int GetStatusDisplayDelay()=0

returns delay in seconds used for certain fast (and not very important tasks) to only show its status...

virtual string GetStatusText() const =0

returns human-readable text describing the current task state

virtual void SetListener(CEventHandler *handler)=0

set a Listener; this allows a taks running in background to notify the Listener (usually Task Manager...

virtual ETaskState GetState()=0

returns the current task state

ETaskState

List of task states defining the task management FSM.

virtual void OnCancel()=0

this will be called on pending tasks that will be removed from the queue and won't get a chance to ru...

virtual string GetDescr() const =0

returns a human-readable description of the Task (optional)

virtual bool IsVisible()=0

returns true if the task should be visible in UI visible task shall represent operations understood b...

virtual IEventLogAction * CreateEventLogAction()=0

returns an action for activating task results (optional, can return NULL)

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

void Run(void)

Enter the main loop.

#define NCBI_GUIFRAMEWORK_EXPORT

Defines to provide correct exporting from DLLs in Windows.

Portable reference counted smart and weak pointers using CWeakRef, CRef, CObject and CObjectEx.

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