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#ifndef __com_sun_star_task_XStatusIndicator_idl__
#define __com_sun_star_task_XStatusIndicator_idl__

#include <com/sun/star/uno/XInterface.idl>

//=============================================================================

 module com {  module sun {  module star {  module task {

//=============================================================================
/** controls a status indicator which displays progress of
    longer actions to the user

    <p>
    Such objects are provided by a <type>XStatusIndicatorFactory</type>.
    </p>

    @see XStatusIndicatorFactory
 */
published interface XStatusIndicator: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------
    /** initialize and start the progress

        <p>
        It activates a new created or reactivate an already used indicator
        (must be finished by calling <member>XStatusIndicator::end()</member>
        before!). By the way it's possible to set first progress description
        and the possible range of progress value. That means that a progress
        can runs from 0 to <var>Range</var>.
        </p>

        @param Text
            initial value for progress description for showing
            Value can be updated by calling <member>XStatusIndicator::setText()</member>.

        @param Range
            means the maximum value of the progress which can be set by
            calling <member>XStatusIndicator::setValue()</member>.
     */
    [oneway] void start(
        [in] string Text,
        [in] long Range);

    //-------------------------------------------------------------------------
    /** stop the progress

        <p>
        Further calls of <member>XStatusIndicator::setText()</member>,
        <member>XStatusIndicator::setValue()</member> or
        <member>XStatusIndicator::reset()</member> must be ignored.
        Only <member>XStatusIndicator::start()</member> can reactivate this
        indicator.
        It's not allowed to destruct the indicator inside this method.
        The instance must be gone by using ref count or disposing.
        </p>
     */
    [oneway] void end();

    //-------------------------------------------------------------------------
    /** update progress description

        <p>
        Initial value can be set during starting of the progress by calling
        <member>XStatusIndicator::start()</member>.
        Stopped indicators must ignore this call.
        </p>

        @param Text
            new value for progress description which should be shown now
     */
    [oneway] void setText( [in] string Text );

    //-------------------------------------------------------------------------
    /** update progress value

        <p>
        Wrong values must be ignored and stopped indicators must ignore this
        call generally.
        </p>

        @param Value
            new value for progress which should be shown now
            Must fit the range [0..Range] which was set during
            <member>XStatusIndicator::start()</member>.
     */
    [oneway] void setValue( [in] long Value );

    //-------------------------------------------------------------------------
    /** clear progress value and description

        <p>
        Calling of setValue(0) and setText("") should do the same.
        Stopped indicators must ignore this call.
        </p>
     */
    [oneway] void reset();
};

}; }; }; };

#endif

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