timertasks.java.svn-base

类似QQ的功能

package jimm;

import jimm.util.ResourceBundle;
import java.util.TimerTask;

import javax.microedition.lcdui.Displayable;

import DrawControls.VirtualList;

import jimm.comm.Action;
import jimm.comm.Icq;

public class TimerTasks extends TimerTask
{
	public static final int SC_AUTO_REPAINT = 1;
	public static final int SC_HIDE_KEYLOCK = 2;
	public static final int SC_RESET_TEXT_AND_IMG = 3;
	final static public int TYPE_FLASH = 4;
	final static public int TYPE_CREEPING = 5;
	final static public int TYPE_MINUTE = 6;
	final static public int TYPE_SMILES_SEL_ANI = 7;

	public static final int ICQ_KEEPALIVE = 100;

	private int type = -1;

	private Action action;

	boolean wasError = false;
	boolean canceled = false;

	private Object flashDispl;
	private String flashText, flashOldText;
	private int flashCounter;	

	public TimerTasks(Action action)
	{
		this.action = action;
	}

	public TimerTasks(int type)
	{
		this.type = type;
	}
	
	public TimerTasks(Object displ, String text, int counter, int type)
	{
		this.flashDispl = displ;
		this.flashText = text;
		this.flashOldText = JimmUI.getCaption(displ);
		this.flashCounter = (type == TYPE_FLASH) ? counter : 0;
		this.type = type;
	}
	
	public boolean cancel()
	{
		canceled = true;
		return super.cancel();
	}
	
	public boolean isCanceled()
	{
		return canceled;
	}
	
	public int getType()
	{
		return type;
	}

	public void run()
	{
		if (wasError)
			return;
		if (type != -1)
		{
			switch (type)
			{
			case SC_AUTO_REPAINT:
				SplashCanvas.Repaint();
				break;
				
			case SC_HIDE_KEYLOCK:
				SplashCanvas.showKeylock = false;
				SplashCanvas.Repaint();
				break;
				
			case SC_RESET_TEXT_AND_IMG:
				SplashCanvas.setMessage(ResourceBundle.getString("keylock_enabled"));
				SplashCanvas.setStatusToDraw(null);
				SplashCanvas.Repaint();
				break;

			case ICQ_KEEPALIVE:
				if (Icq.isConnected()
						&& Options.getBoolean(Options.OPTION_KEEP_CONN_ALIVE))
				{
					// Instantiate and send an alive packet
					try
					{
						Icq.sendPacket(new jimm.comm.Packet(5, new byte[0]));
					} catch (JimmException e)
					{
						JimmException.handleException(e);
						if (e.isCritical())
							cancel();
					}
				}
				break;
				
			case TYPE_FLASH:
				if (flashCounter == 0)
				{		
					JimmUI.setCaption(flashDispl, flashOldText);
					cancel();
					flashDispl = null;
					return;
				}
				if (checkFlashControlIsActive()) return;
				JimmUI.setCaption(flashDispl, ((flashCounter & 1) == 0) ? flashText : " ");
				flashCounter--;
				break;

			case TYPE_CREEPING:
				if (checkFlashControlIsActive()) return;
				JimmUI.setCaption(flashDispl, flashText.substring(flashCounter));
				flashCounter++;
				if (flashCounter > flashText.length() - 5) flashCounter = 0;
				break;
				
			case TYPE_MINUTE:
				MainThread.minuteTask();
				break;
				
//#sijapp cond.if modules_SMILES_STD="true" | modules_SMILES_ANI="true" #				
			case TYPE_SMILES_SEL_ANI:
				Emotions.aniEmoTimer();
				break;
//#sijapp cond.end#
			}
			return;
		}

		SplashCanvas.setProgress(action.getProgress());
		if (action.isError() && !canceled) {
			wasError = true;
		}
		if (action.isCompleted() || wasError)
		{
			cancel();
			action.onEvent((wasError) ? Action.ON_ERROR : Action.ON_COMPLETE);
			if (VirtualList.getMpbState()) {
				VirtualList.setMiniProgressBar(false);
				VirtualList.setMpbPercent(0);
			}
		} 
	}
	
	private boolean checkFlashControlIsActive()
	{
		boolean isVisible = false;
		if (flashDispl instanceof VirtualList)
		{
			isVisible = JimmUI.isControlActive((VirtualList)flashDispl);
		}
		else if (flashDispl instanceof Displayable)
		{
			isVisible = ((Displayable)flashDispl).isShown();
		}
		
		if (!isVisible)
		{
			JimmUI.setCaption(flashDispl, flashOldText);
			cancel();
			flashDispl = null;
		}
		
		return !isVisible;
	}
	
	public void flashRestoreOldCaption()
	{
		JimmUI.setCaption(flashDispl, flashOldText);
	}
}