org.trinity.shellplugin.widget.impl.view.qt.AbstractQWidgetViewProvider.java Source code

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Here is the source code for org.trinity.shellplugin.widget.impl.view.qt.AbstractQWidgetViewProvider.java

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/*******************************************************************************
 * Trinity Shell Copyright (C) 2011 Erik De Rijcke
 *
 * This file is part of Trinity Shell.
 *
 * Trinity Shell is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or (at your option) any
 * later version.
 *
 * Trinity Shell is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 ******************************************************************************/

package org.trinity.shellplugin.widget.impl.view.qt;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;

import com.google.common.util.concurrent.ListenableFutureTask;
import com.google.inject.Provider;
import com.trolltech.qt.core.Qt.WidgetAttribute;
import com.trolltech.qt.core.Qt.WindowType;
import com.trolltech.qt.gui.QApplication;
import com.trolltech.qt.gui.QWidget;

public abstract class AbstractQWidgetViewProvider<T extends QWidget> implements Provider<T> {

    protected AbstractQWidgetViewProvider() {
    }

    @Override
    public T get() {
        final ListenableFutureTask<T> futureTask = ListenableFutureTask.create(new Callable<T>() {
            @Override
            public T call() {
                final T view = createView();
                view.setWindowFlags(WindowType.X11BypassWindowManagerHint);
                view.setAttribute(WidgetAttribute.WA_DeleteOnClose, true);
                view.setAttribute(WidgetAttribute.WA_DontCreateNativeAncestors, true);
                return view;
            }
        });
        QApplication.invokeLater(futureTask);
        try {
            return futureTask.get();
        } catch (final InterruptedException e) {
            throw new Error(e);
        } catch (final ExecutionException e) {
            throw new Error(e);
        }
    }

    protected abstract T createView();

}