messagetipshell.java

类似于MSN

		FormData fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.right = new FormAttachment(100, -20);
		fd.top = new FormAttachment(0, 13);
		lblClusterInfo.setLayoutData(fd);
		// 信息标签
		lblUserInfo = new Label(shell, SWT.NONE);
		lblUserInfo.setBackground(background);
		lblUserInfo.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
		fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.right = new FormAttachment(100, -20);
		fd.top = new FormAttachment(lblClusterInfo, 3, SWT.BOTTOM);
		lblUserInfo.setLayoutData(fd);
		// 关闭标签
		lblClose = new Label(shell, SWT.NONE);
		lblClose.setBackground(background);
		lblClose.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
		fd = new FormData();
		fd.right = new FormAttachment(100, -5);
		fd.left = new FormAttachment(100, -12);
		fd.top = new FormAttachment(0, 13);
		fd.bottom = new FormAttachment(0, 20);
		lblClose.setLayoutData(fd);
		lblClose.setCursor(handCursor);
		lblClose.addMouseTrackListener(new MouseTrackAdapter() {
			public void mouseEnter(MouseEvent e) {
			    Control c = (Control)e.getSource();
				c.setForeground(main.display.getSystemColor(SWT.COLOR_YELLOW));
				c.redraw();
			}

			public void mouseExit(MouseEvent e) {
			    Control c = (Control)e.getSource();
				c.setForeground(main.display.getSystemColor(SWT.COLOR_WHITE));
				c.redraw();
			}   
		});
		lblClose.addMouseListener(new MouseAdapter() {
			public void mouseDown(MouseEvent e) {
				closeNow();
			}
		});
		lblClose.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                Rectangle rect = lblClose.getBounds();
                e.gc.drawLine(0, 0, rect.width - 1, rect.height - 1);
                e.gc.drawLine(1, 0, rect.width - 1, rect.height - 2);
                e.gc.drawLine(0, 1, rect.width - 2, rect.height - 1);
                e.gc.drawLine(rect.width - 1, 0, 0, rect.height - 1);
                e.gc.drawLine(rect.width - 2, 0, 0, rect.height - 2);
                e.gc.drawLine(rect.width - 1, 1, 1, rect.height - 1);
            }		    
		});
		// 头像显示,显示小头像
		lblFace = new Label(shell, SWT.NONE);
		lblFace.setBackground(background);
		fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.right = new FormAttachment(0, 37);
		fd.top = new FormAttachment(lblUserInfo, 3, SWT.BOTTOM);
		fd.bottom = new FormAttachment(lblUserInfo, 45, SWT.BOTTOM);
		lblFace.setLayoutData(fd);
		// 设置标签
		lblSetup = new Label(shell, SWT.NONE);
		lblSetup.setBackground(background);
		lblSetup.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
		lblSetup.setCursor(handCursor);
		lblSetup.setText(LumaQQ.getResourceString("message.tip.shell.label.setup"));
		fd = new FormData();
		fd.left = new FormAttachment(0, 5);
		fd.bottom = new FormAttachment(100, -5);
		lblSetup.setLayoutData(fd);
		lblSetup.addMouseTrackListener(mtl);
		lblSetup.addMouseListener(new MouseAdapter() {
		    public void mouseDown(MouseEvent e) {
		        closeNow();
		        main.openSystemOptionShell().showPanel(SystemOptionShell.GUI);
		    }
		});
		// 消息标签
		lblMessage = new Label(shell, SWT.WRAP);
		lblMessage.setBackground(background);
		lblMessage.setCursor(handCursor);
		fd = new FormData();
		fd.left = new FormAttachment(lblFace, 5, SWT.RIGHT);
		fd.right = new FormAttachment(100, -5);
		fd.top = new FormAttachment(lblUserInfo, 5, SWT.BOTTOM);
		fd.bottom = new FormAttachment(100, -5);
		lblMessage.setLayoutData(fd);
		lblMessage.addMouseTrackListener(mtl);
		lblMessage.addMouseListener(new MouseAdapter() {
			public void mouseDown(MouseEvent e) {
			    closeNow();
			    Object modelObj = shell.getData();
			    clearModel(modelObj);
			    if(modelObj instanceof FriendModel)
			        main.openNormalMessageShell((FriendModel)modelObj);
			    else
			        main.openClusterMessageShell((ClusterModel)modelObj);
			}
		});
		// 专用伺候linux的代码
		shell.layout();
    }
    
	/**
	 * 立刻关闭提示窗口
	 */
	private void closeNow() {
        // 设置窗口为不可见 
		shell.setVisible(false);
	}
	
	/**
	 * 设置提示窗口的信息
	 * @return 设置成功则返回true，失败返回false，一般失败的情况是因为这个好友的消息已经被读取，不需要提示了
	 */
	private boolean setFriendModel(FriendModel f) {
		// 得到好友QQ号
	    Integer qqNum = (Integer) f.getProperty("qq");
	    // 得到群消息包
	    ReceiveIMPacket packet = (ReceiveIMPacket)f.getProperty("temp");
		// 判断是否为null，为null说明其实没有消息，不需要提示
	    if(packet != null) {
		    shell.setData(f);
			// 设置好友信息
		    lblClusterInfo.setText(LumaQQ.getResourceString("message.tip.shell.label.from"));
			lblUserInfo.setText(LumaQQ.getResourceString("message.tip.shell.label.user.info", new Object[] { f.getProperty("name"), qqNum.toString() } ));
			// 设置消息内容
			lblMessage.setText(packet.normalIM.message);
			// 显示小头像
			lblFace.setImage(main.getFriendFace(f));	        
			return true;
	    } else
	        return false;
	}
	
	/**
	 * 设置提示窗口的信息
	 * @param c
	 * @return 设置成功则返回true，失败返回false，一般失败的情况是因为这个群的消息已经被读取，不需要提示了
	 */
	private boolean setClusterModel(ClusterModel c) {
	    // 得到群消息包
	    ReceiveIMPacket packet = (ReceiveIMPacket)c.getProperty("temp");
	    // 如果packet为null，说明实际没有消息，不需要提示
	    if(packet != null) {
		    shell.setData(c);
		    // 得到发送者的model
		    FriendModel f = c.getMember(packet.clusterIM.sender);
		    if(f == null) return false;
		    // 设置信息
		    lblClusterInfo.setText(LumaQQ.getResourceString("message.tip.shell.label.cluster.info", new Object[] { c.getProperty("name"), ((Integer)c.getProperty("clusterId")).toString() }));
		    lblUserInfo.setText(LumaQQ.getResourceString("message.tip.shell.label.user.info", new Object[] { f.getProperty("name"), String.valueOf(packet.clusterIM.sender) }));
		    // 设置消息内容
		    lblMessage.setText(packet.clusterIM.message);
		    // 设置群头像
		    lblFace.setImage(c.getImage());
		    return true;
	    } else
	        return false;
	}
	
	/**
	 * @return 下一个要显示的model，没有则返回null
	 */
	private Object getNextModel() {
	    synchronized(friendLink) {
	        if(friendLink.isEmpty()) 
	            return null;
	        else 
	            return friendLink.removeFirst();
	    }
	}
	
	/**
	 * 移除和obj代码的model相同的元素
	 * @param modelObj
	 */
	private void clearModel(Object modelObj) {
	    synchronized(friendLink) {
	        ListIterator iter = friendLink.listIterator();
	        while(iter.hasNext()) {
	            Object obj = iter.next();
	            if(obj instanceof FriendModel) {
	                if(((FriendModel)obj).equals(modelObj))
	                    iter.remove();
	            } else {
		            if(((ClusterModel)obj).equals(modelObj))
		                iter.remove();	                
	            }
	        }
	    }
	}
	
	/**
	 * 添加要显示消息的好友或者群Model
	 * @param f
	 */
	public void addModel(Object f) {
		synchronized(friendLink) {
			friendLink.addLast(f);
			if(!on) {
			    on = true;
			    display.asyncExec(showRunnable);		        
			}			    
		}
	}
	
	/**
	 * @return true表示链表为空
	 */
	public boolean isEmpty() {
	    synchronized(friendLink) {
	        return friendLink.isEmpty();
	    }
	}

    /**
     * 清楚所有未完成的消息提示
     */
    public void clearAll() {
        synchronized(friendLink) {
            friendLink.clear();
        }
    }
}