eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceOptionsDialogV2.java - platform/sdk - Git at Google

 /*
  * 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.android.ide.eclipse.ddms.systrace;

 import com.android.ddmuilib.TableHelper;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;

 import org.eclipse.jface.dialogs.TitleAreaDialog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableItem;
 import org.eclipse.swt.widgets.Text;

 import java.io.File;
 import java.util.List;
 import java.util.Set;

 public class SystraceOptionsDialogV2 extends TitleAreaDialog implements ISystraceOptionsDialog {
     private static final String TITLE = "Systrace (Android System Trace)";
     private static final String DEFAULT_MESSAGE =
             "Settings to use while capturing system level trace";
     private static final String DEFAULT_TRACE_FNAME = "trace.html"; //$NON-NLS-1$
     private static final Set<String> sCommonTags = ImmutableSet.of(
             "am", "app", "dalvik", "disk", "gfx", "input", "res", "sched", "view", "webview", "wm");

     private Text mDestinationText;
     private String mDestinationPath;
     private Text mTraceDurationText;
     private Text mTraceBufferSizeText;
     private Combo mTraceAppCombo;

     private static String sSaveToFolder = System.getProperty("user.home"); //$NON-NLS-1$
     private static String sTraceDuration = "5";
     private static String sTraceBufferSize = "2048";
     private static Set<String> sEnabledTags = Sets.newHashSet(sCommonTags);
     private static String sLastSelectedApp = null;

     private final List<SystraceTag> mCommonSupportedTags;
     private final List<SystraceTag> mAdvancedSupportedTags;

     private final List<String> mCurrentApps;

     private final SystraceOptions mOptions = new SystraceOptions();
     private Table mCommonTagsTable;
     private Table mAdvancedTagsTable;

     public SystraceOptionsDialogV2(Shell parentShell, List<SystraceTag> tags, List<String> apps) {
         super(parentShell);
         mCurrentApps = apps;

         mCommonSupportedTags = Lists.newArrayListWithExpectedSize(tags.size());
         mAdvancedSupportedTags = Lists.newArrayListWithExpectedSize(tags.size());

         for (SystraceTag supportedTag : tags) {
             if (sCommonTags.contains(supportedTag.tag)) {
                 mCommonSupportedTags.add(supportedTag);
             } else {
                 mAdvancedSupportedTags.add(supportedTag);
             }
         }
     }

     @Override
     protected Control createDialogArea(Composite parent) {
         setTitle(TITLE);
         setMessage(DEFAULT_MESSAGE);

         Composite c = new Composite(parent, SWT.BORDER);
         c.setLayout(new GridLayout(3, false));
         c.setLayoutData(new GridData(GridData.FILL_BOTH));

         Label l = new Label(c, SWT.NONE);
         l.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
         l.setText("Destination File: ");

         mDestinationText = new Text(c, SWT.BORDER);
         mDestinationText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
         mDestinationText.setText(sSaveToFolder + File.separator + DEFAULT_TRACE_FNAME);

         final Button browse = new Button(c, SWT.NONE);
         browse.setText("Browse...");
         browse.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent e) {
                 String path = openBrowseDialog(browse.getShell());
                 if (path != null) mDestinationText.setText(path);
             }
         });

         Label lblTraceDurationseconds = new Label(c, SWT.NONE);
         lblTraceDurationseconds.setLayoutData(
                 new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
         lblTraceDurationseconds.setText("Trace duration (seconds): ");

         mTraceDurationText = new Text(c, SWT.BORDER);
         mTraceDurationText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
         mTraceDurationText.setText(sTraceDuration);

         Label lblTraceBufferSize = new Label(c, SWT.NONE);
         lblTraceBufferSize.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
         lblTraceBufferSize.setText("Trace Buffer Size (kb): ");

         mTraceBufferSizeText = new Text(c, SWT.BORDER);
         mTraceBufferSizeText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
         mTraceBufferSizeText.setText(sTraceBufferSize);

         Label lblTraceAppName = new Label(c, SWT.NONE);
         lblTraceAppName.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
         lblTraceAppName.setText("Enable Application Traces from: ");

         mTraceAppCombo = new Combo(c, SWT.DROP_DOWN | SWT.READ_ONLY);
         mTraceAppCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
         String[] items = new String[mCurrentApps.size() + 1];
         items[0] = "None";
         for (int i = 0; i < mCurrentApps.size(); i++) {
             items[i+1] = mCurrentApps.get(i);
         }
         mTraceAppCombo.setItems(items);
         if (sLastSelectedApp != null) {
             mTraceAppCombo.setText(sLastSelectedApp);
         } else {
             mTraceAppCombo.select(0);
         }

         Label separator = new Label(c, SWT.SEPARATOR | SWT.HORIZONTAL);
         GridData gd = new GridData(GridData.FILL_HORIZONTAL);
         gd.horizontalSpan = 3;
         separator.setLayoutData(gd);

         ModifyListener m = new ModifyListener() {
             @Override
             public void modifyText(ModifyEvent e) {
                 validateFields();
             }
         };

         mDestinationText.addModifyListener(m);
         mTraceBufferSizeText.addModifyListener(m);
         mTraceDurationText.addModifyListener(m);

         mCommonTagsTable = createTable(c, "Commonly Used Tags: ", mCommonSupportedTags);
         mAdvancedTagsTable = createTable(c, "Advanced Options: ", mAdvancedSupportedTags);

         return c;
     }

     private Table createTable(Composite c, String label, List<SystraceTag> supportedTags) {
         Label l = new Label(c, SWT.NONE);
         l.setText(label);
         l.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));

         Table table = new Table(c, SWT.CHECK | SWT.BORDER);
         GridData gd = new GridData(GridData.FILL_BOTH);
         gd.horizontalSpan = 2;
         table.setLayoutData(gd);
         table.setHeaderVisible(false);
         table.setLinesVisible(false);

         for (SystraceTag tag : supportedTags) {
             TableItem item = new TableItem(table, SWT.NONE);
             item.setText(tag.info);
             item.setChecked(sEnabledTags.contains(tag.tag));
         }

         TableHelper.createTableColumn(table,
                 "TagHeaderNotDisplayed",                //$NON-NLS-1$
                 SWT.LEFT,
                 "SampleTagForColumnLengthCalculation",  //$NON-NLS-1$
                 null,
                 null);

         return table;
     }

     private void validateFields() {
         // validate trace destination path
         String msg = validatePath(mDestinationText.getText());
         if (msg != null) {
             setErrorMessage(msg);
             getButton(OK).setEnabled(false);
             return;
         }

         // validate the trace duration
         if (!validateInteger(mTraceDurationText.getText())) {
             setErrorMessage("Trace Duration should be a valid integer (seconds)");
             getButton(OK).setEnabled(false);
             return;
         }

         // validate the trace buffer size
         if (!validateInteger(mTraceBufferSizeText.getText())) {
             setErrorMessage("Trace Buffer Size should be a valid integer (kilobytes)");
             getButton(OK).setEnabled(false);
             return;
         }

         getButton(OK).setEnabled(true);
         setErrorMessage(null);
     }

     private boolean validateInteger(String text) {
         if (text == null || text.isEmpty()) {
             return true;
         }

         try {
             Integer.parseInt(text);
             return true;
         } catch (NumberFormatException e) {
             return false;
         }
     }

     private String validatePath(String path) {
         if (path == null || path.isEmpty()) {
             return null;
         }

         File f = new File(path);
         if (f.isDirectory()) {
             return String.format("The path '%s' points to a folder", path);
         }

         if (!f.exists()) { // if such a file doesn't exist, make sure the parent folder is valid
             if (!f.getParentFile().isDirectory()) {
                 return String.format("That path '%s' is not a valid folder.", f.getParent());
             }
         }

         return null;
     }

     private String openBrowseDialog(Shell parentShell) {
         FileDialog fd = new FileDialog(parentShell, SWT.SAVE);

         fd.setText("Save To");
         fd.setFileName(DEFAULT_TRACE_FNAME);

         fd.setFilterPath(sSaveToFolder);
         fd.setFilterExtensions(new String[] { "*.html" }); //$NON-NLS-1$

         String fname = fd.open();
         if (fname == null || fname.trim().length() == 0) {
             return null;
         }

         sSaveToFolder = fd.getFilterPath();
         return fname;
     }

     @Override
     protected void okPressed() {
         mDestinationPath = mDestinationText.getText().trim();

         sTraceDuration = mTraceDurationText.getText();
         if (!sTraceDuration.isEmpty()) {
             mOptions.mTraceDuration = Integer.parseInt(sTraceDuration);
         }

         sTraceBufferSize = mTraceBufferSizeText.getText();
         if (!sTraceBufferSize.isEmpty()) {
             mOptions.mTraceBufferSize = Integer.parseInt(sTraceBufferSize);
         }

         if (mTraceAppCombo.getSelectionIndex() != 0) {
             mOptions.mTraceApp = sLastSelectedApp = mTraceAppCombo.getText();
         }

         sEnabledTags.clear();
         sEnabledTags.addAll(getEnabledTags(mCommonTagsTable, mCommonSupportedTags));
         sEnabledTags.addAll(getEnabledTags(mAdvancedTagsTable, mAdvancedSupportedTags));

         super.okPressed();
     }

     private static Set<String> getEnabledTags(Table table, List<SystraceTag> tags) {
         Set<String> enabledTags = Sets.newHashSetWithExpectedSize(tags.size());

         for (int i = 0; i < table.getItemCount(); i++) {
             TableItem it = table.getItem(i);
             if (it.getChecked()) {
                 enabledTags.add(tags.get(i).tag);
             }
         }

         return enabledTags;
     }

     @Override
     public ISystraceOptions getSystraceOptions() {
         return mOptions;
     }

     @Override
     public String getTraceFilePath() {
         return mDestinationPath;
     }

     private class SystraceOptions implements ISystraceOptions {
         private int mTraceBufferSize;
         private int mTraceDuration;
         private String mTraceApp;

         @Override
         public String getTags() {
             return null;
         }

         @Override
         public String getOptions() {
             StringBuilder sb = new StringBuilder(5 * mCommonSupportedTags.size());

             if (mTraceApp != null) {
                 sb.append("-a ");   //$NON-NLS-1$
                 sb.append(mTraceApp);
                 sb.append(' ');
             }

             if (mTraceDuration > 0) {
                 sb.append("-t");    //$NON-NLS-1$
                 sb.append(mTraceDuration);
                 sb.append(' ');
             }

             if (mTraceBufferSize > 0) {
                 sb.append("-b ");   //$NON-NLS-1$
                 sb.append(mTraceBufferSize);
                 sb.append(' ');
             }

             for (String s : sEnabledTags) {
                 sb.append(s);
                 sb.append(' ');
             }

             return sb.toString().trim();
         }
     }
 }
	/*
	* 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.android.ide.eclipse.ddms.systrace;

	import com.android.ddmuilib.TableHelper;
	import com.google.common.collect.ImmutableSet;
	import com.google.common.collect.Lists;
	import com.google.common.collect.Sets;

	import org.eclipse.jface.dialogs.TitleAreaDialog;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableItem;
	import org.eclipse.swt.widgets.Text;

	import java.io.File;
	import java.util.List;
	import java.util.Set;

	public class SystraceOptionsDialogV2 extends TitleAreaDialog implements ISystraceOptionsDialog {
	private static final String TITLE = "Systrace (Android System Trace)";
	private static final String DEFAULT_MESSAGE =
	"Settings to use while capturing system level trace";
	private static final String DEFAULT_TRACE_FNAME = "trace.html"; //$NON-NLS-1$
	private static final Set<String> sCommonTags = ImmutableSet.of(
	"am", "app", "dalvik", "disk", "gfx", "input", "res", "sched", "view", "webview", "wm");

	private Text mDestinationText;
	private String mDestinationPath;
	private Text mTraceDurationText;
	private Text mTraceBufferSizeText;
	private Combo mTraceAppCombo;

	private static String sSaveToFolder = System.getProperty("user.home"); //$NON-NLS-1$
	private static String sTraceDuration = "5";
	private static String sTraceBufferSize = "2048";
	private static Set<String> sEnabledTags = Sets.newHashSet(sCommonTags);
	private static String sLastSelectedApp = null;

	private final List<SystraceTag> mCommonSupportedTags;
	private final List<SystraceTag> mAdvancedSupportedTags;

	private final List<String> mCurrentApps;

	private final SystraceOptions mOptions = new SystraceOptions();
	private Table mCommonTagsTable;
	private Table mAdvancedTagsTable;

	public SystraceOptionsDialogV2(Shell parentShell, List<SystraceTag> tags, List<String> apps) {
	super(parentShell);
	mCurrentApps = apps;

	mCommonSupportedTags = Lists.newArrayListWithExpectedSize(tags.size());
	mAdvancedSupportedTags = Lists.newArrayListWithExpectedSize(tags.size());

	for (SystraceTag supportedTag : tags) {
	if (sCommonTags.contains(supportedTag.tag)) {
	mCommonSupportedTags.add(supportedTag);
	} else {
	mAdvancedSupportedTags.add(supportedTag);
	}
	}
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	setTitle(TITLE);
	setMessage(DEFAULT_MESSAGE);

	Composite c = new Composite(parent, SWT.BORDER);
	c.setLayout(new GridLayout(3, false));
	c.setLayoutData(new GridData(GridData.FILL_BOTH));

	Label l = new Label(c, SWT.NONE);
	l.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	l.setText("Destination File: ");

	mDestinationText = new Text(c, SWT.BORDER);
	mDestinationText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	mDestinationText.setText(sSaveToFolder + File.separator + DEFAULT_TRACE_FNAME);

	final Button browse = new Button(c, SWT.NONE);
	browse.setText("Browse...");
	browse.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	String path = openBrowseDialog(browse.getShell());
	if (path != null) mDestinationText.setText(path);
	}
	});

	Label lblTraceDurationseconds = new Label(c, SWT.NONE);
	lblTraceDurationseconds.setLayoutData(
	new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblTraceDurationseconds.setText("Trace duration (seconds): ");

	mTraceDurationText = new Text(c, SWT.BORDER);
	mTraceDurationText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
	mTraceDurationText.setText(sTraceDuration);

	Label lblTraceBufferSize = new Label(c, SWT.NONE);
	lblTraceBufferSize.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblTraceBufferSize.setText("Trace Buffer Size (kb): ");

	mTraceBufferSizeText = new Text(c, SWT.BORDER);
	mTraceBufferSizeText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
	mTraceBufferSizeText.setText(sTraceBufferSize);

	Label lblTraceAppName = new Label(c, SWT.NONE);
	lblTraceAppName.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblTraceAppName.setText("Enable Application Traces from: ");

	mTraceAppCombo = new Combo(c, SWT.DROP_DOWN \| SWT.READ_ONLY);
	mTraceAppCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
	String[] items = new String[mCurrentApps.size() + 1];
	items[0] = "None";
	for (int i = 0; i < mCurrentApps.size(); i++) {
	items[i+1] = mCurrentApps.get(i);
	}
	mTraceAppCombo.setItems(items);
	if (sLastSelectedApp != null) {
	mTraceAppCombo.setText(sLastSelectedApp);
	} else {
	mTraceAppCombo.select(0);
	}

	Label separator = new Label(c, SWT.SEPARATOR \| SWT.HORIZONTAL);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 3;
	separator.setLayoutData(gd);

	ModifyListener m = new ModifyListener() {
	@Override
	public void modifyText(ModifyEvent e) {
	validateFields();
	}
	};

	mDestinationText.addModifyListener(m);
	mTraceBufferSizeText.addModifyListener(m);
	mTraceDurationText.addModifyListener(m);

	mCommonTagsTable = createTable(c, "Commonly Used Tags: ", mCommonSupportedTags);
	mAdvancedTagsTable = createTable(c, "Advanced Options: ", mAdvancedSupportedTags);

	return c;
	}

	private Table createTable(Composite c, String label, List<SystraceTag> supportedTags) {
	Label l = new Label(c, SWT.NONE);
	l.setText(label);
	l.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));

	Table table = new Table(c, SWT.CHECK \| SWT.BORDER);
	GridData gd = new GridData(GridData.FILL_BOTH);
	gd.horizontalSpan = 2;
	table.setLayoutData(gd);
	table.setHeaderVisible(false);
	table.setLinesVisible(false);

	for (SystraceTag tag : supportedTags) {
	TableItem item = new TableItem(table, SWT.NONE);
	item.setText(tag.info);
	item.setChecked(sEnabledTags.contains(tag.tag));
	}

	TableHelper.createTableColumn(table,
	"TagHeaderNotDisplayed", //$NON-NLS-1$
	SWT.LEFT,
	"SampleTagForColumnLengthCalculation", //$NON-NLS-1$
	null,
	null);

	return table;
	}

	private void validateFields() {
	// validate trace destination path
	String msg = validatePath(mDestinationText.getText());
	if (msg != null) {
	setErrorMessage(msg);
	getButton(OK).setEnabled(false);
	return;
	}

	// validate the trace duration
	if (!validateInteger(mTraceDurationText.getText())) {
	setErrorMessage("Trace Duration should be a valid integer (seconds)");
	getButton(OK).setEnabled(false);
	return;
	}

	// validate the trace buffer size
	if (!validateInteger(mTraceBufferSizeText.getText())) {
	setErrorMessage("Trace Buffer Size should be a valid integer (kilobytes)");
	getButton(OK).setEnabled(false);
	return;
	}

	getButton(OK).setEnabled(true);
	setErrorMessage(null);
	}

	private boolean validateInteger(String text) {
	if (text == null \|\| text.isEmpty()) {
	return true;
	}

	try {
	Integer.parseInt(text);
	return true;
	} catch (NumberFormatException e) {
	return false;
	}
	}

	private String validatePath(String path) {
	if (path == null \|\| path.isEmpty()) {
	return null;
	}

	File f = new File(path);
	if (f.isDirectory()) {
	return String.format("The path '%s' points to a folder", path);
	}

	if (!f.exists()) { // if such a file doesn't exist, make sure the parent folder is valid
	if (!f.getParentFile().isDirectory()) {
	return String.format("That path '%s' is not a valid folder.", f.getParent());
	}
	}

	return null;
	}

	private String openBrowseDialog(Shell parentShell) {
	FileDialog fd = new FileDialog(parentShell, SWT.SAVE);

	fd.setText("Save To");
	fd.setFileName(DEFAULT_TRACE_FNAME);

	fd.setFilterPath(sSaveToFolder);
	fd.setFilterExtensions(new String[] { "*.html" }); //$NON-NLS-1$

	String fname = fd.open();
	if (fname == null \|\| fname.trim().length() == 0) {
	return null;
	}

	sSaveToFolder = fd.getFilterPath();
	return fname;
	}

	@Override
	protected void okPressed() {
	mDestinationPath = mDestinationText.getText().trim();

	sTraceDuration = mTraceDurationText.getText();
	if (!sTraceDuration.isEmpty()) {
	mOptions.mTraceDuration = Integer.parseInt(sTraceDuration);
	}

	sTraceBufferSize = mTraceBufferSizeText.getText();
	if (!sTraceBufferSize.isEmpty()) {
	mOptions.mTraceBufferSize = Integer.parseInt(sTraceBufferSize);
	}

	if (mTraceAppCombo.getSelectionIndex() != 0) {
	mOptions.mTraceApp = sLastSelectedApp = mTraceAppCombo.getText();
	}

	sEnabledTags.clear();
	sEnabledTags.addAll(getEnabledTags(mCommonTagsTable, mCommonSupportedTags));
	sEnabledTags.addAll(getEnabledTags(mAdvancedTagsTable, mAdvancedSupportedTags));

	super.okPressed();
	}

	private static Set<String> getEnabledTags(Table table, List<SystraceTag> tags) {
	Set<String> enabledTags = Sets.newHashSetWithExpectedSize(tags.size());

	for (int i = 0; i < table.getItemCount(); i++) {
	TableItem it = table.getItem(i);
	if (it.getChecked()) {
	enabledTags.add(tags.get(i).tag);
	}
	}

	return enabledTags;
	}

	@Override
	public ISystraceOptions getSystraceOptions() {
	return mOptions;
	}

	@Override
	public String getTraceFilePath() {
	return mDestinationPath;
	}

	private class SystraceOptions implements ISystraceOptions {
	private int mTraceBufferSize;
	private int mTraceDuration;
	private String mTraceApp;

	@Override
	public String getTags() {
	return null;
	}

	@Override
	public String getOptions() {
	StringBuilder sb = new StringBuilder(5 * mCommonSupportedTags.size());

	if (mTraceApp != null) {
	sb.append("-a "); //$NON-NLS-1$
	sb.append(mTraceApp);
	sb.append(' ');
	}

	if (mTraceDuration > 0) {
	sb.append("-t"); //$NON-NLS-1$
	sb.append(mTraceDuration);
	sb.append(' ');
	}

	if (mTraceBufferSize > 0) {
	sb.append("-b "); //$NON-NLS-1$
	sb.append(mTraceBufferSize);
	sb.append(' ');
	}

	for (String s : sEnabledTags) {
	sb.append(s);
	sb.append(' ');
	}

	return sb.toString().trim();
	}
	}
	}