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60 lines
2.2 KiB
Java
60 lines
2.2 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.awt;
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import java.awt.*;
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/**
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* An interface for the EventQueue delegate.
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* This class is added to support JavaFX/AWT interop single threaded mode
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* The delegate should be set in EventQueue by {@link EventQueue#setFwDispatcher(FwDispatcher)}
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* If the delegate is not null, than it handles supported methods instead of the
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* event queue. If it is null than the behaviour of an event queue does not change.
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*
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* @see EventQueue
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*
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* @author Petr Pchelko
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*
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* @since 1.8
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*/
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public interface FwDispatcher {
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/**
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* Delegates the {@link EventQueue#isDispatchThread()} method
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*/
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boolean isDispatchThread();
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/**
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* Forwards a runnable to the delegate, which executes it on an appropriate thread.
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* @param r a runnable calling {@link EventQueue#dispatchEventImpl(java.awt.AWTEvent, Object)}
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*/
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void scheduleDispatch(Runnable r);
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/**
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* Delegates the {@link java.awt.EventQueue#createSecondaryLoop()} method
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*/
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SecondaryLoop createSecondaryLoop();
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}
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