/*******************************************************************************

 * Copyright (c) 2009 Symbian Foundation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Symbian Foundation - initial contribution.

 * Contributors:

 * Description:

 * Overview:

 * Details:

 * Platforms/Drives/Compatibility:

 * Assumptions/Requirement/Pre-requisites:

 * Failures and causes:

 *******************************************************************************/

package org.symbian.tools.tmw.debug.internal.launch;

import java.net.URI;

import java.text.MessageFormat;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.debug.core.DebugPlugin;

import org.eclipse.debug.core.ILaunch;

import org.eclipse.debug.core.ILaunchConfiguration;

import org.eclipse.debug.core.ILaunchManager;

import org.eclipse.debug.core.model.ILaunchConfigurationDelegate;

import org.eclipse.ui.IWorkbench;

import org.eclipse.ui.IWorkbenchWindow;

import org.eclipse.ui.PlatformUI;

import org.symbian.tools.tmw.debug.internal.Activator;

import org.symbian.tools.tmw.previewer.PreviewerPlugin;

public class WidgetLaunchDelegate implements ILaunchConfigurationDelegate {

	public static final String ID = "org.symbian.tools.wrttools.debug.widget";

	public void launch(ILaunchConfiguration configuration, String mode, final ILaunch launch, IProgressMonitor monitor)

			throws CoreException {

		monitor.beginTask("Preparing Mobile Web Debugger", IProgressMonitor.UNKNOWN);

		ILaunchManager launchManager = DebugPlugin.getDefault().getLaunchManager();

        final IWorkbench workbench = PlatformUI.getWorkbench();

        final IWorkbenchWindow window = workbench.getWorkbenchWindows()[0];

        final boolean[] retvalue = new boolean[1];

        window.getShell().getDisplay().syncExec(new Runnable() {

            public void run() {

                retvalue[0] = workbench.saveAllEditors(true);

            }

        });

        if (!retvalue[0]) {

            launchManager.removeLaunch(launch);

            return;

        }

		boolean debug = mode.equals(ILaunchManager.DEBUG_MODE);

		try {

			// 1. Load all parameters

			IProject project = DebugUtil.getProject(configuration);

            if (DebugUtil.isProjectDebugged(project, launchManager, launch)) {

                throw DebugUtil.createCoreException(MessageFormat.format("Project {0} is already running.", project.getName()),

                        null);

            }

			int port = PortPolicy.getPortNumber();

			final URI uri = prepareDebugger(project, debug, launch, port);

			Activator.getDefault().getChromeInstancesManager().startChrome(launch, port, uri.toASCIIString());

		} catch (CoreException e) {

			launchManager.removeLaunch(launch);

			throw e;

		}

		if (!debug) {

			launchManager.removeLaunch(launch);

		}

		monitor.done();

	}

    private URI prepareDebugger(IProject project, boolean debug, final ILaunch launch, final int port) {

        DebugConnectionJob job = null;

		if (debug) {

            job = new DebugConnectionJob(project, port, launch);

		}

        return PreviewerPlugin.getDefault().getHttpPreviewer().previewProject(project, job);

	}

}