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Diffstat (limited to 'engine/src/core/com/jme3/system/SystemListener.java')
-rw-r--r-- | engine/src/core/com/jme3/system/SystemListener.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/system/SystemListener.java b/engine/src/core/com/jme3/system/SystemListener.java new file mode 100644 index 0000000..e1ccf57 --- /dev/null +++ b/engine/src/core/com/jme3/system/SystemListener.java @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2009-2010 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package com.jme3.system; + +/** + * The <code>ContextListener> provides a means for an application + * to receive events relating to a context. + */ +public interface SystemListener { + + /** + * Callback to indicate the application to initialize. This method + * is called in the GL/Rendering thread so any GL-dependent resources + * can be initialized. + */ + public void initialize(); + + /** + * Called to notify the application that the resolution has changed. + * @param width + * @param height + */ + public void reshape(int width, int height); + + /** + * Callback to update the application state, and render the scene + * to the back buffer. + */ + public void update(); + + /** + * Called when the user requests to close the application. This + * could happen when he clicks the X button on the window, presses + * the Alt-F4 combination, attempts to shutdown the process from + * the task manager, or presses ESC. + * @param esc If true, the user pressed ESC to close the application. + */ + public void requestClose(boolean esc); + + /** + * Called when the application gained focus. The display + * implementation is not allowed to call this method before + * initialize() has been called or after destroy() has been called. + */ + public void gainFocus(); + + /** + * Called when the application lost focus. The display + * implementation is not allowed to call this method before + * initialize() has been called or after destroy() has been called. + */ + public void loseFocus(); + + /** + * Called when an error has occured. This is typically + * invoked when an uncought exception is thrown in the render thread. + * @param errorMsg The error message, if any, or null. + * @param t Throwable object, or null. + */ + public void handleError(String errorMsg, Throwable t); + + /** + * Callback to indicate that the context has been destroyed (either + * by the user or requested by the application itself). Typically + * cleanup of native resources should happen here. This method is called + * in the GL/Rendering thread. + */ + public void destroy(); +} |