AndroidDeviceUtils.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;

import static com.motorola.studio.android.common.log.StudioLogger.error;
import static com.motorola.studio.android.common.log.StudioLogger.info;

import java.util.LinkedHashMap;
import java.util.Map;

import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.sequoyah.device.framework.events.InstanceEvent;
import org.eclipse.sequoyah.device.framework.events.InstanceEventManager;
import org.eclipse.sequoyah.device.framework.events.InstanceEvent.InstanceEventType;

import com.motorola.studio.android.emulator.EmulatorPlugin;
import com.motorola.studio.android.emulator.device.instance.AndroidDeviceInstance;
import com.motorola.studio.android.emulator.logic.AbstractStartAndroidEmulatorLogic.LogicMode;

public class AndroidDeviceUtils
{
    public static synchronized void fireDummyStartTransition(AndroidDeviceInstance instance,
            String serialNumber)
    {
        // if instance is not already started, is not starting and is already associated to a VM...
        boolean instanceStarted = instance.isStarted();
        boolean instanceIsStarting = instance.getStateMachineHandler().isTransitioning();
        boolean vmAlreadyUp = instance.hasDevice();
        instance.setNameSuffix(serialNumber + ", " + instance.getTarget());
        InstanceEventManager.getInstance().notifyListeners(
                new InstanceEvent(InstanceEventType.INSTANCE_UPDATED, instance));

        if (vmAlreadyUp && !instanceStarted && !instanceIsStarting)
        {
            info("The TmL Instance is not started/Starting, but the emulator/VM is already online. Execute a dummy start service to force a transition to start status...");

            Map<Object, Object> attributes = new LinkedHashMap<Object, Object>();
            attributes.put(LogicMode.class, LogicMode.DO_NOTHING);
            try
            {
                EmulatorPlugin.getStartServiceHandler().run(instance, attributes,
                        new NullProgressMonitor());
            }
            catch (Exception e)
            {
                error("Failed to run the dummy start service on " + instance + " : "
                        + e.getMessage());
            }
        }
    }

    /**
     * Verifies whether or not a given AndroidDeviceInstance is running.
     * @param androidInstance
     * @return true if instance is running, false otherwise.
     */
    public static boolean isInstanceStarting(AndroidDeviceInstance androidInstance)
    {
        return androidInstance.getStateMachineHandler().isTransitioning();
    }
}