TabPreviewThread (laf-widget 7.3 API)

java.lang.Object
- java.lang.Thread
- - org.pushingpixels.lafwidget.utils.TrackableThread
  - - org.pushingpixels.lafwidget.tabbed.TabPreviewThread

All Implemented Interfaces:

java.lang.Runnable
```
public class TabPreviewThread
extends TrackableThread
```
Thread for running the tab preview requests.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`TabPreviewThread.TabPreviewCallback` Interface for offering the tab preview image once it has been computed.
`static class`	`TabPreviewThread.TabPreviewInfo` Information for previewing a tabbed pane.

Nested classes/interfaces inherited from class java.lang.Thread
java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields
Modifier and Type Field and Description

protected DeltaQueue previewQueue
Queue of preview requests.
- Fields inherited from class java.lang.Thread
  MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields
Modifier and Type	Field and Description
`protected DeltaQueue`	`previewQueue` Queue of preview requests.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`cancelTabPreviewRequests(java.lang.Object initiator)` Cancels all tab preview requests that were initiated by the specified initiator.
`static TabPreviewThread`	`getInstance()` Returns the singleton instance of the tab preview thread.
`protected void`	`getSingleTabPreviewImage(javax.swing.JTabbedPane tabPane, TabPreviewPainter previewPainter, TabPreviewThread.TabPreviewInfo previewInfo, int tabIndex)` Computes and offers the preview thumbnail for a single tab.
`static boolean`	`instanceRunning()` Returns indication whether tab preview thread is running.
`void`	`queueTabPreviewRequest(TabPreviewThread.TabPreviewInfo previewInfo)` Queues the request to preview one or all tabs in the specified tabbed pane.
`protected void`	`requestStop()` Issues a stop request on `this` thread.
`void`	`run()`

Methods inherited from class org.pushingpixels.lafwidget.utils.TrackableThread
requestStopAllThreads

Methods inherited from class java.lang.Thread
activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - previewQueue
```
protected DeltaQueue previewQueue
```
    Queue of preview requests. Contains TabPreviewThread.TabPreviewInfos.
- Method Detail
  - run
```
public void run()
```
    Specified by:
    
    run in interface java.lang.Runnable
    
    Overrides:
    
    run in class java.lang.Thread
  - getSingleTabPreviewImage
```
protected void getSingleTabPreviewImage(javax.swing.JTabbedPane tabPane,
                                        TabPreviewPainter previewPainter,
                                        TabPreviewThread.TabPreviewInfo previewInfo,
                                        int tabIndex)
```
    Computes and offers the preview thumbnail for a single tab.
    
    Parameters:
    
    tabPane - Tabbed pane.
    
    previewPainter - Tab preview painter.
    
    previewInfo - Preview info.
    
    tabIndex - Index of the tab to preview.
  - queueTabPreviewRequest
```
public void queueTabPreviewRequest(TabPreviewThread.TabPreviewInfo previewInfo)
```
    Queues the request to preview one or all tabs in the specified tabbed pane. Once the request is queued, the thread will pick it up from the queue (in at most 500 milliseconds in the current implementation) and start processing it. For each tab (if all tabs were requested to be previewed), the preview thumbnail will be offered to the relevant callback. This allows to maintain the interactivity of the application while generating the preview thumbnails for the tab overview dialog (see TabOverviewDialog).
    
    Parameters:
    
    previewInfo - Tab preview info.
  - cancelTabPreviewRequests
```
public void cancelTabPreviewRequests(java.lang.Object initiator)
```
    Cancels all tab preview requests that were initiated by the specified initiator.
    
    Parameters:
    
    initiator - Initiator.
  - requestStop
```
protected void requestStop()
```
    Description copied from class: TrackableThread
    
    Issues a stop request on this thread.
    
    Specified by:
    
    requestStop in class TrackableThread
  - getInstance
```
public static TabPreviewThread getInstance()
```
    Returns the singleton instance of the tab preview thread.
    
    Returns:
    
    The singleton instance of the tab preview thread.
  - instanceRunning
```
public static boolean instanceRunning()
```
    Returns indication whether tab preview thread is running.
    
    Returns:
    
    true if the tab preview thread is running, false otherwise.

Class TabPreviewThread

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Field Summary

Fields inherited from class java.lang.Thread

Method Summary

Methods inherited from class org.pushingpixels.lafwidget.utils.TrackableThread

Methods inherited from class java.lang.Thread

Methods inherited from class java.lang.Object

Field Detail

previewQueue

Method Detail

run

getSingleTabPreviewImage

queueTabPreviewRequest

cancelTabPreviewRequests

requestStop

getInstance

instanceRunning