/*

* Copyright (c) 2009 Nokia Corporation 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:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.cdt.debug.cw.symbian;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import org.eclipse.cdt.debug.core.executables.Executable;

import org.eclipse.cdt.debug.core.executables.ExecutablesManager;

import org.eclipse.cdt.debug.core.executables.StandardExecutableProvider;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.resources.IWorkspaceRoot;

import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.Path;

import org.eclipse.core.runtime.jobs.IJobChangeEvent;

import org.eclipse.core.runtime.jobs.IJobChangeListener;

import org.eclipse.core.runtime.jobs.Job;

import com.nokia.carbide.cdt.builder.CarbideBuilderPlugin;

import com.nokia.carbide.cdt.builder.EpocEngineHelper;

import com.nokia.carbide.cdt.builder.project.ICarbideBuildConfiguration;

import com.nokia.carbide.cdt.builder.project.ICarbideProjectInfo;

public class CarbideExecutablesProvider extends StandardExecutableProvider implements IJobChangeListener {

	private ArrayList<Executable> executables = new ArrayList<Executable>();

	private ArrayList<Executable> activeExecutables = new ArrayList<Executable>();

	public CarbideExecutablesProvider() {

		super();

		Job.getJobManager().addJobChangeListener(this);		

	}

	public int getPriority() {

		return HIGH_PRIORITY;

	}

	public boolean executableExists(IPath exePath) {

		for (Executable executable : executables) {

			if (executable.getPath().equals(exePath))

				return true;

		}

		return false;

	}

	public Executable[] getExecutables(IProgressMonitor monitor) {

		synchronized (executables) {

			executables.clear();

			activeExecutables.clear();

			IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();

			IProject[] projects = root.getProjects();

			monitor.beginTask("Checking Carbide Projects", projects.length);

			for (IProject project : projects) {

				if (monitor.isCanceled())

					break;

				try {

					if (CarbideBuilderPlugin.getBuildManager().isCarbideProject(project)) {

						ICarbideProjectInfo cpi = CarbideBuilderPlugin.getBuildManager().getProjectInfo(project);

						if (cpi != null) {

							ICarbideBuildConfiguration defaultConfig = cpi.getDefaultConfiguration();

							List<ICarbideBuildConfiguration> buildConfigList = cpi.getBuildConfigurations();

							for (ICarbideBuildConfiguration currConfig : buildConfigList) {

								if (monitor.isCanceled())

									break;

								for (IPath mmp : EpocEngineHelper.getMMPFilesForBuildConfiguration(currConfig)) {

									if (monitor.isCanceled())

										break;

									IPath hp = EpocEngineHelper.getHostPathForExecutable(currConfig, mmp);

									if (hp != null) {

										File hpFile = hp.toFile();

										if (hpFile.exists())

										{

											Executable exe = new Executable(new Path(hpFile.getCanonicalPath()), project, null);

											executables.add(exe);

											if (currConfig == defaultConfig)

												activeExecutables.add(exe);										

										}

									}

								}

							}

						}

					}

				} catch (Exception e) {

					e.printStackTrace();

				}

				monitor.worked(1);

			}

			monitor.done();

		}

		return activeExecutables.toArray(new Executable[activeExecutables.size()]);

	}

	public void aboutToRun(IJobChangeEvent event) {}

	public void awake(IJobChangeEvent event) {}

	/**

	 * This is the lower case name of the build job for "Build Target Only". This is used here to avoid

	 * having a reference to com.nokia.cdt.carbide.builder.utils.

	 * @see com.nokia.carbide.cdt.build.utils.popup.actions.AbldCommandAction#runAbldActionOnProject(...)

	 */

	private static final String BUILD_TARGET_ONLY_JOB_NAME_LOWER = "performing targeted build for configuration";

	/**

	 * This is the lower case name of the build job for "Build Symbian Component". This is used here to avoid

	 * having a reference to com.nokia.cdt.carbide.builder.utils.

	 * @see com.nokia.carbide.cdt.build.utils.popup.actions.AbldCommandAction#doBuildSingleMMPComponent(...)

	 */

	private static final String BUILD_SYMBIAN_COMPONENT_JOB_NAME_LOWER = "building selected component";

	private static final String BUILD_ALL_CONFIGURATIONS_JOB_NAME_LOWER = "building all configurations for project";

	public void done(IJobChangeEvent event) {

		if (event.getJob().belongsTo(ResourcesPlugin.FAMILY_MANUAL_BUILD) ||

				event.getJob().getName().toLowerCase().startsWith(BUILD_TARGET_ONLY_JOB_NAME_LOWER) ||

				event.getJob().getName().toLowerCase().startsWith(BUILD_ALL_CONFIGURATIONS_JOB_NAME_LOWER) ||

				event.getJob().getName().toLowerCase().startsWith(BUILD_SYMBIAN_COMPONENT_JOB_NAME_LOWER)) {

				{

					ExecutablesManager.getExecutablesManager().scheduleRefresh(this, 1000);

				}

			}

		}

	public void running(IJobChangeEvent event) {}

	public void scheduled(IJobChangeEvent event) {}

	public void sleeping(IJobChangeEvent event) {}

}