[Bug 1607] IcedTea Web removes Components from the Applet Container before Applet.stop() and Applet.destroy() has been called

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1607

--- Comment #3 from Xerxes Rånby <xerxes at zafena.se> ---
(In reply to comment #1)
> isActive() state between start()-stop():
> ========================
> Applet-State @ start: ERROR, active[exp true, has false]*, init[exp 1, has
> 1], start[exp 1, has 1], stop[exp 0, has 0], destroy[exp 0, has 0]

Problem located: OpenJDK 6 7 & 8 AppletPanel fail to implement the AppletStub
interface according to spec.

The AppletStub:
http://icedtea.classpath.org/hg/icedtea7-forest/jdk/file/00cd9dc3c2b5/src/share/classes/java/applet/AppletStub.java#l41
41 /**
42 * Determines if the applet is active. An applet is active just
43 * before its <code>start</code> method is called. It becomes
44 * inactive just before its <code>stop</code> method is called.
45 *
46 * @return <code>true</code> if the applet is active;
47 * <code>false</code> otherwise.
48 */
49 boolean isActive();

The AppletPanel implementation differ from the AppletStub spec:
http://icedtea.classpath.org/hg/icedtea7-forest/jdk/file/00cd9dc3c2b5/src/share/classes/sun/applet/AppletPanel.java#l887
887 /**
888 * Return true when the applet has been started.
889 */
890 public boolean isActive() {
891 return status == APPLET_START;
892 }

Thus the AppletPanel implementation needs to be adjusted to follow the
AppletStub spec.

The status = APPLET_START; must be performed at the line just before
applet.start(); in order to correctly implement the spec.
http://icedtea.classpath.org/hg/icedtea7-forest/jdk/file/00cd9dc3c2b5/src/share/classes/sun/applet/AppletPanel.java#l467

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