public class TimeDisplayControl extends java.lang.Object implements Control, SourcedTimerListener, TimeSource, ControllerListener
Creates a SourcedTimer to generate ticks that trigger Control to look at media time, convert it to a string and display it.
Registers as SourcedTimerListener and ControllerListener. As ControllerListener, TimerDisplayControl listens for start/restart and stop events to correctly turn SourcedTimer on and off.
SourcedTimer
,
SourcedTimerListener
,
TimeSource
MICROS_PER_SEC, MILLIS_PER_SEC, NANOS_PER_SEC
Constructor and Description |
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TimeDisplayControl(Controller controller)
Create a TimeDisplayControl for displaying the
current media time of the Controller passed as an
argument.
|
TimeDisplayControl(Controller controller,
SourcedTimer timer)
Create a TimeDisplayControl for displaying the
current media time of the Controller passed as an
argument.
|
Modifier and Type | Method and Description |
---|---|
void |
controllerUpdate(ControllerEvent e)
Listen for start/stop events and start/stop
SourceTimer in response.
|
java.awt.Component |
getControlComponent()
Return the control component.
|
long |
getConversionDivisor()
Report value such that
getTime()/number equals seconds. |
long |
getTime()
Report media time from associated Controller.
|
void |
timerUpdate(SourcedTimerEvent e)
Respond to 'tick' from SourcedTimer.
|
public TimeDisplayControl(Controller controller)
controller
- The Controller with which to associate
control.public TimeDisplayControl(Controller controller, SourcedTimer timer)
The timer
is used as the SourcedTimer.
This form of the constructor allows reuse of an existing
SourcedTimer.
controller
- javax.media.Controllertimer
- ejmf.toolkit.util.SourcedTimerSourcedTimer
public java.awt.Component getControlComponent()
getControlComponent
in interface Control
public void timerUpdate(SourcedTimerEvent e)
timerUpdate
in interface SourcedTimerListener
e
- a SourcedTimerEvent containing TimeSource
that generated tick.public void controllerUpdate(ControllerEvent e)
controllerUpdate
in interface ControllerListener
e
- A controller event used to determine start/stop
state of timer.public long getTime()
getTime
in interface TimeSource
public long getConversionDivisor()
getTime()/number
equals seconds.
getConversionDivisor
in interface TimeSource
getTime()/number
equals
seconds.