src/plugins/handset/src/com/motorola/studio/android/handset/HandsetPlugin.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.handset;

import java.util.Collection;
import java.util.Properties;

import org.eclipse.sequoyah.device.common.utilities.exception.SequoyahException;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.motorola.studio.android.AndroidPlugin;
import com.motorola.studio.android.adt.DDMSFacade;
import com.motorola.studio.android.adt.DdmsRunnable;
import com.motorola.studio.android.adt.StudioAndroidEventManager;
import com.motorola.studio.android.common.log.StudioLogger;
import com.motorola.studio.android.devices.DevicesManager;

/**
 * The activator class controls the plug-in life cycle
 */
public class HandsetPlugin extends AbstractUIPlugin
{
    // The plug-in ID
    public static final String PLUGIN_ID = "com.motorola.studio.android.handset";

    public static final String HANDSET_DEVICE_TYPE_ID = PLUGIN_ID + ".androidHandset";

    public static final String STATUS_ONLINE_ID = PLUGIN_ID + ".status.handsetonline";

    public static final String SERVICE_INIT_ID = PLUGIN_ID + ".initHandsetService";

    private static final Runnable sdkLoaderListener = new Runnable()
    {
        public void run()
        {
            Collection<String> serialNumbers = DDMSFacade.getConnectedSerialNumbers();
            for (String serial : serialNumbers)
            {
                createInstance(serial);
            }
        }
    };

    // The shared instance
    private static HandsetPlugin plugin;

    private static DdmsRunnable connectedListener = new DdmsRunnable()
    {

        public void run(String serialNumber)
        {
            createInstance(serialNumber);
        }
    };

    private static DdmsRunnable disconnectedListener = new DdmsRunnable()
    {

        public void run(String serialNumber)
        {
            deleteInstance(serialNumber);
        }
    };

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    @Override
    public void start(BundleContext context) throws Exception
    {
        StudioLogger.debug(HandsetPlugin.class, "Starting MOTODEV Android Handset Plugin...");

        super.start(context);
        plugin = this;
        StudioAndroidEventManager.asyncAddDeviceChangeListeners(connectedListener,
                disconnectedListener);
        AndroidPlugin.getDefault().addSDKLoaderListener(sdkLoaderListener);

        StudioLogger.debug(HandsetPlugin.class, "MOTODEV Android Handset Plugin started.");
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    @Override
    public void stop(BundleContext context) throws Exception
    {
        plugin = null;
        AndroidPlugin.getDefault().removeSDKLoaderListener(sdkLoaderListener);
        StudioAndroidEventManager.asyncRemoveDeviceChangeListeners(connectedListener,
                disconnectedListener);
        super.stop(context);
    }

    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static HandsetPlugin getDefault()
    {
        return plugin;
    }

    /**
     * Creates a TmL instance for the given handset device
     * 
     * @param serialNumber The serial number of the device to create a TmL instance for
     */
    private static void createInstance(String serialNumber)
    {
        if (!DDMSFacade.isEmulator(serialNumber) && !DDMSFacade.isRemote(serialNumber))
        {

            try
            {
                Properties instanceProperties = DDMSFacade.getDeviceProperties(serialNumber);

                HandsetInstanceBuilder projectBuilder =
                        new HandsetInstanceBuilder(serialNumber, instanceProperties);

                DevicesManager.getInstance().createInstanceForDevice(serialNumber,
                        HandsetPlugin.HANDSET_DEVICE_TYPE_ID, projectBuilder,
                        HandsetPlugin.SERVICE_INIT_ID);
            }
            catch (SequoyahException e)
            {
                StudioLogger.error(HandsetPlugin.class,
                        "Failed to create a TmL instance for device " + serialNumber, e);
            }
        }
    }

    /**
     * Destroys the TmL instance of the given handset device
     * 
     * @param device The device to delete the correspondent TmL instance
     */
    private static void deleteInstance(String serialNumber)
    {
        if (!DDMSFacade.isEmulator(serialNumber) && !DDMSFacade.isRemote(serialNumber))
        {
            DevicesManager.getInstance().deleteInstanceOfDevice(serialNumber);
        }
    }

}