sysperfana/analyzetoolext/com.nokia.s60tools.analyzetool/src/com/nokia/s60tools/analyzetool/ActivateTrace.java
author Matti Laitinen <matti.t.laitinen@nokia.com>
Tue, 24 Aug 2010 12:16:27 +0300
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AnalyzeTool Carbide extension 1.10.0
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/*
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 * Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:  Definitions for the class ActivateTrace
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 *
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 */
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package com.nokia.s60tools.analyzetool;
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import org.eclipse.ui.IStartup;
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import org.eclipse.core.runtime.*;
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import com.nokia.s60tools.analyzetool.ui.IActionListener;
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import com.nokia.s60tools.analyzetool.ui.MainView;
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/**
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 * Checks at plugin startup is trace plugin available and sets MainView trace
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 * actions state
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 * 
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 * @author kihe
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 * 
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 */
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public class ActivateTrace implements IStartup {
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	/**
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	 * Check is AnalyzeTool trace plug-in registered.
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	 * 
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	 * If not registered disables AnalyzeTool trace buttons.
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	 * 
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	 * @see org.eclipse.ui.IStartup#earlyStartup()
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	 */
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	public final void earlyStartup() {
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		// get action listener
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		final IActionListener listener = Activator.getActionListener();
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		// get extension registry
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		IExtensionRegistry registry = RegistryFactory.getRegistry();
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		if (registry == null) {
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			MainView.enableTrace = false;
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			if (listener != null) {
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				listener.disableTraceActions(false);
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			}
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			return;
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		}
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		// get analyzetool extension
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		final IExtensionPoint extensionPoint = registry
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				.getExtensionPoint("com.nokia.s60tools.analyzetool.AnalyzeTool");
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		// try find analyzetool trace extension
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		IExtension extension = null;
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		if (extensionPoint != null) {
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			extension = extensionPoint
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					.getExtension("com.nokia.s60tools.analyzetool.trace.ActivateTrace");
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		}
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		// if trace extension found => enable trace buttons in the MainView
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		if (extension != null && extension.isValid()) {
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			MainView.enableTrace = true;
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			if (listener != null) {
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				listener.disableTraceActions(true);
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			}
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		}
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		// no trace extension found => disable trace buttons
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		else {
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			MainView.enableTrace = false;
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			if (listener != null) {
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				listener.disableTraceActions(false);
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			}
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		}
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	}
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}