AndroidDevInstListener.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.emulator.device.instance;

import org.eclipse.sequoyah.device.framework.DevicePlugin;
import org.eclipse.sequoyah.device.framework.events.IInstanceListener;
import org.eclipse.sequoyah.device.framework.events.InstanceAdapter;
import org.eclipse.sequoyah.device.framework.events.InstanceEvent;
import org.eclipse.sequoyah.device.framework.model.IInstance;

import com.motorola.studio.android.adt.SdkUtils;
import com.motorola.studio.android.common.log.StudioLogger;
import com.motorola.studio.android.emulator.EmulatorPlugin;
import com.motorola.studio.android.emulator.core.model.IAndroidEmulatorInstance;
import com.motorola.studio.android.emulator.core.utils.EmulatorCoreUtils;
import com.motorola.studio.android.emulator.ui.view.AbstractAndroidView;

/**
 * DESCRIPTION:
 * Implementation of IInstanceListener for device related actions that depend
 * on the TmL instance registry state. 
 * <br>
 * RESPONSIBILITY:
 * Guarantee that the emulator views are updated
 * Run the initialization service when an instance is loaded
 * <br>
 * COLABORATORS:
 * None.
 * <br>
 * USAGE:
 * This class shall be used by Eclipse only.
 */
public class AndroidDevInstListener extends InstanceAdapter
{

    /**
     * @see IInstanceListener#instanceLoaded(InstanceEvent)
     */
    @Override
    public void instanceLoaded(InstanceEvent e)
    {
        IInstance instance = e.getInstance();

        if (instance instanceof IAndroidEmulatorInstance)
        {
            // The service definition defined (by convention) that 
            // stopped-dirty is the success state, and not available 
            // is the failure state. The exception is being thrown for
            // the framework to set the state correctly. 
            if (instance.getStatus().equals(DevicePlugin.SEQUOYAH_STATUS_OFF))
            {
                instance.setStatus(EmulatorPlugin.STATUS_NOT_AVAILABLE);
            }
        }
    }

    /**
     * @see IInstanceListener#instanceDeleted(InstanceEvent)
     */
    @Override
    public void instanceDeleted(InstanceEvent ev)
    {
        IInstance instance = ev.getInstance();
        if (instance instanceof AndroidDeviceInstance)
        {
            SdkUtils.deleteVm(instance.getName());
        }
    }

    /**
     * @see IInstanceListener#instanceTransitioned(InstanceEvent)
     */
    @Override
    public void instanceTransitioned(InstanceEvent e)
    {
        IInstance instance = e.getInstance();

        if (instance instanceof AndroidDeviceInstance)
        {
            final AndroidDeviceInstance androidDevice = (AndroidDeviceInstance) instance;
            StudioLogger.info("The android device instance status was updated: " + instance
                    + " Status: " + instance.getStatus());

            if (androidDevice.isStarted())
            {
                String transitionId = e.getTransitionId();
                if ((transitionId != null)
                        && transitionId.equals("com.motorola.studio.android.emulator.startService"))
                {
                    // If it is coming from other state than the started, 
                    // connect to VNC server
                    StudioLogger
                            .info("The emulator "
                                    + instance
                                    + " transitioned to started state. Try to estabilish a VNC connection...");

                    new Thread(new Runnable()
                    {
                        @Override
                        public void run()
                        {
                            AbstractAndroidView.showView();
                            EmulatorCoreUtils.refreshEmulatorViews();
                        }
                    }).start();
                }
            }
            else if (instance.getStatus().equals(EmulatorPlugin.STATUS_OFFLINE))
            {
                androidDevice.resetRuntimeVariables();
                EmulatorCoreUtils.refreshEmulatorViews();
            }

        }

    }

}