author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:10:26 +0300 | |
changeset 48 | e0d6e9bd3ca7 |
parent 35 | 85266cc22c7f |
permissions | -rw-r--r-- |
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/******************************************************************************* |
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Nokia Corporation - initial implementation |
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*******************************************************************************/ |
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package org.eclipse.swt.internal.qt.graphics; |
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|
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import org.eclipse.swt.widgets.Display; |
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import org.eclipse.swt.widgets.Internal_PackageSupport; |
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/** |
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* Class for general utilities for common graphics |
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*/ |
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final class Utils { |
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/** |
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* Validates that ui thread is created and execution is |
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* currently in ui thread. |
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* |
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* @throws java.lang.Error if ui thread is not initialized or |
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* this method is not called within ui thread. |
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*/ |
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static void validateUiThread() { |
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if (!Config.ENABLE_UI_THREAD_VALIDATION) { |
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return; |
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} |
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Display display = Internal_PackageSupport.getDisplayInstance(); |
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if(display == null) { |
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display = Internal_PackageSupport.getInternalDisplayInstance(); |
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} |
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if (display == null) { |
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throw new Error("Ui thread not initialized or call was made outside ui thread"); |
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} else { |
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if (Thread.currentThread() != display.getThread()) { |
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throw new Error("Call to common graphics object occured outside ui thread"); |
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} |
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} |
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} |
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} |