src/plugins/remote.device/src/com/motorola/studio/android/remote/handlers/USBModeServiceHandler.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.io.IOException;
import java.util.Map;
import java.util.Properties;

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.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 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.instance.RemoteDeviceInstance;

/**
 * Handler which switches back a remote device from TCP/IP to USB mode.
 */
public class USBModeServiceHandler extends ServiceHandler
{
    // 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 USBModeServiceHandler();
    }

    /**
     * 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.USBModeServiceHandler_MsgStartingProcessOfSwitchingToUSBMode, 1000);

        final ISerialNumbered device = (ISerialNumbered) instance;

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

            subMonitor.worked(100);
        }
        catch (Exception e)
        {
            StudioLogger.error(USBModeServiceHandler.class,
                    RemoteDeviceNLS.USBModeServiceHandler_2, 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.Title_ReturningToUSBConnectionDialog,
                    RemoteDeviceNLS.USBModeServiceHandler_MsgUnableToSwitchToUSBDueToSDKVersion);
        }
        else
        {

            if (!subMonitor.isCanceled())
            {

                subMonitor
                        .setTaskName(RemoteDeviceNLS.WirelessServiceHandler_MsgRetrievingDeviceIPNumber);

                // retrieve the IP, Port and timeout and validate it
                Properties properties = instance.getProperties();
                String host = properties.getProperty(RemoteDeviceInstance.PROPERTY_HOST);
                String port = properties.getProperty(RemoteDeviceInstance.PROPERTY_PORT);
                String timeout = properties.getProperty(RemoteDeviceInstance.PROPERTY_TIMEOUT);

                subMonitor.worked(600);
                if (host == null)
                {
                    EclipseUtils.showErrorDialog(
                            RemoteDeviceNLS.Title_ReturningToUSBConnectionDialog,
                            RemoteDeviceNLS.ERR_WirelessWizard_No_IP);
                }

                else
                {
                    if (!subMonitor.isCanceled())
                    {
                        subMonitor
                                .setTaskName(RemoteDeviceNLS.USBModeServiceHandler_MsgSwithcingTCPToUSB);
                        // switch the device from connection mode from TCP/IP to USB
                        try
                        {
                            IStatus status =
                                    DDMSFacade.switchFromTCPConnectionModeToUSBConnectionMode(
                                            device, host, port, Integer.parseInt(timeout),
                                            subMonitor.newChild(300));

                            // in case the status is not OK, show an error message
                            if ((status != null) && (status.getSeverity() == IStatus.ERROR))
                            {
                                EclipseUtils
                                        .showErrorDialog(
                                                RemoteDeviceNLS.Title_ReturningToUSBConnectionDialog,
                                                NLS.bind(
                                                        RemoteDeviceNLS.USBModeServiceHandler_MsgItWasNotPossibleToSwitchDeviceToUSBMode,
                                                        host), status);
                            }
                            else
                            {
                                // show a success message
                                EclipseUtils.showInformationDialog(
                                        RemoteDeviceNLS.Title_ReturningToUSBConnectionDialog,
                                        NLS.bind(RemoteDeviceNLS.USBModeServiceHandler_MsgSuccess,
                                                host));
                            }
                        }
                        catch (IOException e)
                        {
                            StudioLogger
                                    .error(this.getClass(),
                                            NLS.bind(
                                                    "It was not possible to switch the android device {0} connection mode to USB.", //$NON-NLS-1$
                                                    device.getDeviceName()), e);
                            EclipseUtils
                                    .showErrorDialog(
                                            RemoteDeviceNLS.Title_ReturningToUSBConnectionDialog,
                                            NLS.bind(
                                                    RemoteDeviceNLS.USBModeServiceHandler_MsgItWasNotPossibleToSwitchToUSBMode,
                                                    device.getDeviceName()));
                        }
                    }
                }
            }
        }
        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());
        }
    }
}