backport: Applet.java: New file.
2000-07-12 Bryce McKinlay <bryce@albatross.co.nz> Merged implementation of java.applet from classpath: * java/applet/Applet.java: New file. * java/applet/AppletContext.java: New file. * java/applet/AppletStub.java: New file. * java/applet/AudioClip.java: New file. * Makefile.am: Added new java.applet classes. * Makefile.in: Rebuilt. From-SVN: r34981
This commit is contained in:
Bryce McKinlay
Bryce McKinlay
parent
2a59078d51
commit
e98da3dcf5
@ -1,3 +1,14 @@
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2000-07-12 Bryce McKinlay <bryce@albatross.co.nz>
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Merged implementation of java.applet from classpath:
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* java/applet/Applet.java: New file.
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* java/applet/AppletContext.java: New file.
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* java/applet/AppletStub.java: New file.
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* java/applet/AudioClip.java: New file.
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* Makefile.am: Added new java.applet classes.
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* Makefile.in: Rebuilt.
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2000-07-12 Bryce McKinlay <bryce@albatross.co.nz>
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AWT Stuff:
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@ -660,6 +660,10 @@ gnu/java/lang/ClassHelper.java \
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gnu/java/security/provider/Gnu.java \
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gnu/java/security/provider/SHA.java \
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gnu/java/security/provider/SHA1PRNG.java \
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java/applet/Applet.java \
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java/applet/AppletStub.java \
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java/applet/AppletContext.java \
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java/applet/AudioClip.java \
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java/io/BufferedInputStream.java \
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java/io/BufferedOutputStream.java \
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java/io/BufferedReader.java \
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@ -430,6 +430,10 @@ gnu/java/lang/ClassHelper.java \
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gnu/java/security/provider/Gnu.java \
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gnu/java/security/provider/SHA.java \
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gnu/java/security/provider/SHA1PRNG.java \
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java/applet/Applet.java \
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java/applet/AppletStub.java \
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java/applet/AppletContext.java \
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java/applet/AudioClip.java \
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java/io/BufferedInputStream.java \
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java/io/BufferedOutputStream.java \
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java/io/BufferedReader.java \
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@ -1011,6 +1015,8 @@ DEP_FILES = .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
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.deps/gnu/java/security/provider/Gnu.P \
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.deps/gnu/java/security/provider/SHA.P \
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.deps/gnu/java/security/provider/SHA1PRNG.P .deps/interpret.P \
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.deps/java/applet/Applet.P .deps/java/applet/AppletContext.P \
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.deps/java/applet/AppletStub.P .deps/java/applet/AudioClip.P \
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.deps/java/awt/AWTError.P .deps/java/awt/AWTEvent.P \
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.deps/java/awt/AWTEventMulticaster.P .deps/java/awt/AWTException.P \
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.deps/java/awt/ActiveEvent.P .deps/java/awt/Adjustable.P \
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296
libjava/java/applet/Applet.java
Normal file
296
libjava/java/applet/Applet.java
Normal file
@ -0,0 +1,296 @@
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/* Applet.java -- Java base applet class
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.applet;
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import java.awt.Dimension;
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import java.awt.Image;
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import java.net.URL;
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import java.util.Locale;
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/**
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* This is the base applet class. An applet is a Java program that
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* runs inside a web browser or other applet viewer in a restricted
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* environment.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class Applet extends java.awt.Panel implements java.io.Serializable
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{
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// The applet stub for this applet
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private AppletStub stub;
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/**
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* Default constructor for subclasses.
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*/
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public Applet() {}
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/**
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* Returns the URL of the document this applet is embedded in.
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*
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* @return The URL of the document this applet is embedded in.
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*/
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public URL getDocumentBase()
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{
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return (stub.getDocumentBase ());
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}
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/**
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* Returns the URL of the code base for this applet.
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*
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* @return The URL of the code base for this applet.
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*/
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public URL getCodeBase()
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{
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return (stub.getCodeBase ());
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}
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/**
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* Returns the value of the specified parameter that was specified in
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* the <APPLET> tag for this applet.
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*
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* @param name The parameter name.
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*
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* @param value The parameter value, or <code>null</code> if the parameter
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* does not exist.
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*/
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public String getParameter(String name)
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{
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return (stub.getParameter (name));
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}
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/**
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* Returns the applet context for this applet.
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*
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* @return The applet context for this applet.
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*/
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public AppletContext getAppletContext()
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{
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return (stub.getAppletContext ());
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}
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/**
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* Tests whether or not this applet is currently active.
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*
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* @return <code>true</code> if this applet is active, <code>false</code>
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* otherwise.
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*/
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public boolean isActive()
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{
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return (stub.isActive ());
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}
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/**
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* Requests that the applet window for this applet be resized.
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*
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* @param width The new width in pixels.
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* @param height The new height in pixels.
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*/
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public void resize(int width, int height)
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{
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stub.appletResize (width, height);
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}
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/**
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* Requests that the applet window for this applet be resized.
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*
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* @param dim The <code>Dimension</code> object with the requested
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* width and height.
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*/
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public void resize(Dimension dim)
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{
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resize (dim.width, dim.height);
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}
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/**
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* Returns an audio clip from the specified URL.
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*
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* @param url The URL of the audio clip.
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*
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* @return The retrieved audio clip.
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*/
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public AudioClip getAudioClip(URL url)
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{
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return (getAppletContext ().getAudioClip (url));
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}
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/**
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* Returns an audio clip from the specified URL and name
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*
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* @param url The base URL of the audio clip.
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* @param name The name of the clip relative to the URL.
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*
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* @return The retrieved audio clip.
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*/
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public AudioClip getAudioClip(URL url, String name)
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{
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try
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{
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return (getAppletContext ().getAudioClip (new URL (url.toExternalForm()
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+ name)));
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}
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catch(Exception e)
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{
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return (getAudioClip (url));
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}
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}
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/**
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* Loads and plays the audio clip pointed to by the specified URL.
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*
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* @param The URL of the audio clip.
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*/
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public void play (URL url)
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{
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getAudioClip (url).play ();
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}
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/**
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* Loads and plays the audio clip pointed to by the specified URL.
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*
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* @param The base URL of the audio clip.
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* @param name The name of the audio clip relative to the URL.
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*/
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public void play (URL url, String name)
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{
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getAudioClip (url, name).play ();
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}
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/**
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* Returns an image from the specified URL. Note that the image is not
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* actually retrieved until the applet attempts to display it, so this
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* method returns immediately.
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*
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* @param url The URL of the image.
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*
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* @return The retrieved image.
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*/
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public Image getImage(URL url)
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{
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return (getAppletContext ().getImage (url));
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}
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/**
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* Returns an image from the specified URL. Note that the image is not
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* actually retrieved until the applet attempts to display it, so this
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* method returns immediately.
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*
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* @param url The base URL of the image.
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* @param name The name of the image relative to the URL.
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*
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* @return The retrieved image.
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*/
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public Image getImage(URL url, String name)
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{
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try
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{
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return (getAppletContext ().getImage (new URL (url.toExternalForm()
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+ name)));
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}
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catch(Exception e)
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{
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return (getImage (url));
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}
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}
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/**
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* Returns the locale for this applet, if it has been set. If no applet
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* specific locale has been set, the default locale is returned.
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*
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* @return The locale for this applet.
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*/
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public Locale getLocale()
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{
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return (super.getLocale ());
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}
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/**
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* Returns a descriptive string with applet defined information. The
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* implementation in this class returns <code>null</code>. Applets who
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* wish to return this information should override.
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*
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* @return A string describing the applet.
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*/
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public String getAppletInfo()
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{
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return (null);
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}
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/**
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* Returns a list of parameters this applet supports. Each element of
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* the array is a list of three strings with the name of the parameter,
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* the data type or valid values, and a description. This method is
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* optional and the default implementation returns <code>null</code>.
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*
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* @return The list of parameters supported by this applet.
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*/
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public String[][] getParameterInfo()
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{
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return (null);
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}
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/**
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* This method is called when the applet is first loaded. The default
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* implementation does nothing. Applets that wish to do one time
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* initialization should override.
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*/
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public void init() {}
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/**
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* This method is called when the applet is being unloaded. The default
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* implementation does nothing. Applets that need to clean up resources
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* on exit should override.
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*/
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public void destroy() {}
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/**
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* This method is called when the applet should start running. This is
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* normally each time a web page containing it is loaded. The default
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* implemention does nothing. Subclasses should override.
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*/
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public void start() {}
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/**
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* This method is called when the applet should stop running. This is
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* normally when the next web page is loaded. The default implementation
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* does nothing.
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*/
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public void stop() {}
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/**
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* The browser calls this method to set the applet's stub, which is the
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* low level interface to the browser.
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*
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* @param stub The applet stub for this applet.
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*/
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public final void setStub (AppletStub stub)
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{
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this.stub = stub;
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}
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} // class Applet
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108
libjava/java/applet/AppletContext.java
Normal file
108
libjava/java/applet/AppletContext.java
Normal file
@ -0,0 +1,108 @@
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/* AppletContext.java -- Access the applet's runtime environment.
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Copyright (C) 1999 Free Software Foundation, Inc.
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|
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This file is part of GNU Classpath.
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||||
|
||||
GNU Classpath 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 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
As a special exception, if you link this library with other files to
|
||||
produce an executable, this library does not by itself cause the
|
||||
resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why the
|
||||
executable file might be covered by the GNU General Public License. */
|
||||
|
||||
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package java.applet;
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import java.awt.Image;
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import java.net.URL;
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import java.util.Enumeration;
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/**
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* This interface allows an applet access to the browser to retrieve
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* additional data files and display documents. It also allows the
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* applet to find out other applets in the same document.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface AppletContext
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{
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/**
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* Returns an audio clip from the specified URL.
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*
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* @param url The URL of the audio clip.
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*
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* @return The retrieved audio clip // FIXME: What happens on error?
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*/
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AudioClip getAudioClip(URL url);
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/**
|
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* Returns an image from the specified URL. Note that the image is not
|
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* actually retrieved until the applet attempts to display it, so this
|
||||
* method returns immediately.
|
||||
*
|
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* @param url The URL of the image.
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*
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* @return The retrieved image. // FIXME: What happens on eror?
|
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*/
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Image getImage(URL url);
|
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|
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/**
|
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* Returns the applet in the document for this object that has the
|
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* specified name.
|
||||
*
|
||||
* @param name The applet name.
|
||||
*
|
||||
* @return The requested applet, or <code>null</code> if an applet with
|
||||
* the requested name cannot be found.
|
||||
*/
|
||||
Applet getApplet(String name);
|
||||
|
||||
/**
|
||||
* Returns a list of all the applets in the document for this object.
|
||||
*
|
||||
* @return A list of all the applets in the document for this object.
|
||||
*/
|
||||
Enumeration getApplets();
|
||||
|
||||
/**
|
||||
* Displays the web page pointed to by the specified URL in the window
|
||||
* for this object. This page replaces the document that is currently
|
||||
* there.
|
||||
*
|
||||
* @param url The URL of the web page to load.
|
||||
*/
|
||||
void showDocument(URL url);
|
||||
|
||||
/**
|
||||
* Displays the web page pointed to be the sepcified URL in the window
|
||||
* with the specified name. The standard names "_top", "_blank",
|
||||
* "_parent", and "_self" are allowed.
|
||||
*
|
||||
* @param url The URL of the web page to load.
|
||||
* @param target The target window.
|
||||
*/
|
||||
void showDocument(URL url, String target);
|
||||
|
||||
/**
|
||||
* Displays the specified message in the status window if that window
|
||||
* exists.
|
||||
*
|
||||
* @param message The status message.
|
||||
*/
|
||||
void showStatus(String message);
|
||||
|
||||
} // interface AppletContext
|
||||
88
libjava/java/applet/AppletStub.java
Normal file
88
libjava/java/applet/AppletStub.java
Normal file
@ -0,0 +1,88 @@
|
||||
/* AppletStub.java -- Low level interface to the browser.
|
||||
Copyright (C) 1999 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath 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 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
As a special exception, if you link this library with other files to
|
||||
produce an executable, this library does not by itself cause the
|
||||
resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why the
|
||||
executable file might be covered by the GNU General Public License. */
|
||||
|
||||
package java.applet;
|
||||
|
||||
import java.net.URL;
|
||||
|
||||
/**
|
||||
* This interface is the low level interface between the applet and the
|
||||
* browser.
|
||||
*
|
||||
* @author Aaron M. Renn (arenn@urbanophile.com)
|
||||
*/
|
||||
public interface AppletStub
|
||||
{
|
||||
/**
|
||||
* Returns the URL of the document this applet is embedded in.
|
||||
*
|
||||
* @return The URL of the document this applet is embedded in.
|
||||
*/
|
||||
URL getDocumentBase();
|
||||
|
||||
/**
|
||||
* Returns the URL of the code base for this applet.
|
||||
*
|
||||
* @return The URL of the code base for this applet.
|
||||
*/
|
||||
URL getCodeBase();
|
||||
|
||||
/**
|
||||
* Returns the value of the specified parameter that was specified in
|
||||
* the <APPLET> tag for this applet.
|
||||
*
|
||||
* @param name The parameter name.
|
||||
*
|
||||
* @param value The parameter value, or <code>null</code> if the parameter
|
||||
* does not exist.
|
||||
*/
|
||||
String getParameter(String name);
|
||||
|
||||
/**
|
||||
* Returns the applet context for this applet.
|
||||
*
|
||||
* @return The applet context for this applet.
|
||||
*/
|
||||
AppletContext getAppletContext();
|
||||
|
||||
/**
|
||||
* Tests whether or not this applet is currently active.
|
||||
*
|
||||
* @return <code>true</code> if this applet is active, <code>false</code>
|
||||
* otherwise.
|
||||
*/
|
||||
boolean isActive();
|
||||
|
||||
/**
|
||||
* Requests that the applet window for this applet be resized.
|
||||
*
|
||||
* @param width The new width in pixels.
|
||||
* @param height The new height in pixels.
|
||||
*/
|
||||
void appletResize(int width, int height);
|
||||
|
||||
} // interface AppletStub
|
||||
|
||||
53
libjava/java/applet/AudioClip.java
Normal file
53
libjava/java/applet/AudioClip.java
Normal file
@ -0,0 +1,53 @@
|
||||
/* AudioClip.java -- Play an audio clip.
|
||||
Copyright (C) 1999 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Classpath.
|
||||
|
||||
GNU Classpath 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 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
|
||||
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA.
|
||||
|
||||
As a special exception, if you link this library with other files to
|
||||
produce an executable, this library does not by itself cause the
|
||||
resulting executable to be covered by the GNU General Public License.
|
||||
This exception does not however invalidate any other reasons why the
|
||||
executable file might be covered by the GNU General Public License. */
|
||||
|
||||
|
||||
package java.applet;
|
||||
|
||||
/**
|
||||
* This interface provides a simple mechanism for playing audio clips.
|
||||
*
|
||||
* @author Aaron M. Renn (arenn@urbanophile.com)
|
||||
*/
|
||||
public interface AudioClip
|
||||
{
|
||||
/**
|
||||
* Plays the audio clip starting from the beginning.
|
||||
*/
|
||||
void play();
|
||||
|
||||
/**
|
||||
* Stops playing this audio clip. There is no mechanism for restarting
|
||||
* at the point where the clip is stopped.
|
||||
*/
|
||||
void stop();
|
||||
|
||||
/**
|
||||
* Plays this audio clip in a continuous loop.
|
||||
*/
|
||||
void loop();
|
||||
|
||||
} // interface AudioClip
|
||||
Loading…
Reference in New Issue
Block a user