WirelessServiceHandler.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.motorola.studio.android.remote.handlers;

import java.net.InetAddress;
import java.util.Map;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.osgi.util.NLS;
import org.eclipse.sequoyah.device.framework.model.IInstance;
import org.eclipse.sequoyah.device.framework.model.IService;
import org.eclipse.sequoyah.device.framework.model.handler.IServiceHandler;
import org.eclipse.sequoyah.device.framework.model.handler.ServiceHandler;
import org.eclipse.ui.PlatformUI;

import com.motorola.studio.android.adt.DDMSFacade;
import com.motorola.studio.android.adt.ISerialNumbered;
import com.motorola.studio.android.common.log.StudioLogger;
import com.motorola.studio.android.common.utilities.EclipseUtils;
import com.motorola.studio.android.remote.RemoteDevicePlugin;
import com.motorola.studio.android.remote.i18n.RemoteDeviceNLS;
import com.motorola.studio.android.remote.ui.wireless.WirelessWizard;

/**
 * Handler which launches the Over the Air wizard.
 */
public class WirelessServiceHandler extends ServiceHandler
{
    private static final int TIMEOUT_REACH_IP = 30000;

    // Min SDK version that supports tcpip connection mode
    private static final int MIN_SDK_VERSION = 6;

    /**
     * Get the wireless service handler.
     */
    @Override
    public IServiceHandler newInstance()
    {
        return new WirelessServiceHandler();
    }

    /**
     * Get the phone IP, validate it and launch the Wireless wizard. 
     */
    @Override
    public IStatus runService(final IInstance instance, Map<Object, Object> arguments,
            final IProgressMonitor monitor)
    {

        final SubMonitor subMonitor = SubMonitor.convert(monitor, 1000);
        subMonitor.beginTask(RemoteDeviceNLS.WirelessServiceHandler_MsgLaunchingWirelessConnection,
                1000);

        final ISerialNumbered device = (ISerialNumbered) instance;

        int deviceSdkVersion = -1;
        try
        {
            deviceSdkVersion =
                    Integer.parseInt(DDMSFacade.getDeviceProperty(device.getSerialNumber(),
                            "ro.build.version.sdk"));

            subMonitor.worked(100);
        }
        catch (Exception e)
        {
            StudioLogger.error(WirelessServiceHandler.class,
                    "Problems trying to retrieve handset's sdk version.", e);
        }

        // if it was not possible to retrieve the sdk version
        // try to execute the service anyway
        if ((!subMonitor.isCanceled()) && (deviceSdkVersion < MIN_SDK_VERSION)
                && (deviceSdkVersion != -1))
        {
            EclipseUtils.showErrorDialog(
                    RemoteDeviceNLS.WirelessWizard_TitleWirelessConnectionModeWizard,
                    RemoteDeviceNLS.ERR_WirelessWizard_NOT_VALID_SDK);
        }
        else
        {

            if (!subMonitor.isCanceled())
            {

                subMonitor
                        .setTaskName(RemoteDeviceNLS.WirelessServiceHandler_MsgRetrievingDeviceIPNumber);

                // retrieve the IP and validate it
                final String host =
                        DDMSFacade.getWirelessIPfromHandset(device.getSerialNumber(), monitor);

                subMonitor.worked(300);
                if (host == null)
                {
                    EclipseUtils.showErrorDialog(
                            RemoteDeviceNLS.WirelessWizard_TitleWirelessConnectionModeWizard,
                            RemoteDeviceNLS.ERR_WirelessWizard_No_IP);
                }
                else
                {
                    if (!subMonitor.isCanceled())
                    {
                        // check whether the IP can be reached
                        subMonitor
                                .setTaskName(RemoteDeviceNLS.WirelessServiceHandler_MsgPingingIPAddress);
                        InetAddress ipAddress = null;
                        boolean canReachIPAddress = true;
                        if (!subMonitor.isCanceled())
                        {
                            try
                            {
                                ipAddress = InetAddress.getByName(host);
                                canReachIPAddress =
                                        (ipAddress != null)
                                                && ipAddress.isReachable(TIMEOUT_REACH_IP);
                                subMonitor.worked(200);
                            }
                            catch (Exception e)
                            {
                                canReachIPAddress = false;
                                StudioLogger
                                        .error(this.getClass(), NLS.bind(
                                                RemoteDeviceNLS.ERR_WirelessWizard_Reach_IP, host),
                                                e);
                            }

                            if (!canReachIPAddress)
                            {
                                EclipseUtils
                                        .showErrorDialog(
                                                RemoteDeviceNLS.WirelessWizard_TitleWirelessConnectionModeWizard,
                                                NLS.bind(
                                                        RemoteDeviceNLS.ERR_WirelessWizard_Reach_IP,
                                                        host));
                            }
                            else
                            {
                                if (!subMonitor.isCanceled())
                                {
                                    // launch the wireless wizard
                                    PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable()
                                    {
                                        public void run()
                                        {
                                            subMonitor.worked(400);
                                            WirelessWizard wizard = new WirelessWizard();
                                            wizard.setInstance(device);
                                            //wizard.setIp("192.168.16.2");
                                            wizard.setIp(host);
                                            wizard.setProgressMonitor(monitor);
                                            WizardDialog dialog =
                                                    new WizardDialog(PlatformUI.getWorkbench()
                                                            .getActiveWorkbenchWindow().getShell(),
                                                            wizard);
                                            dialog.open();
                                        }
                                    });
                                }

                            }
                        }
                    }
                }
            }
        }
        return Status.OK_STATUS;
    }

    /**
     * Simply Return an OK Status.
     */
    @Override
    public IStatus updatingService(IInstance arg0, IProgressMonitor arg1)
    {
        return Status.OK_STATUS;
    }

    @Override
    public void setService(IService service)
    {
        super.setService(service);
        if (service != null)
        {
            service.setVisible(RemoteDevicePlugin.isWifiServiceEnabled());
        }
    }
}