mirror of https://github.com/sipwise/jitsi.git
tooltips. Patch provided by Marin Dzhigarov on Nov 25, 2013.cusax-fix 4926
yanas
12 years ago
parent
25f3208044
commit
9383a5e000
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After Width: | Height: | Size: 1.5 KiB |
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After Width: | Height: | Size: 1.5 KiB |
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After Width: | Height: | Size: 419 B |
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Before Width: | Height: | Size: 408 B After Width: | Height: | Size: 1.4 KiB |
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.plugin.otr;
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import java.lang.ref.*;
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import net.java.sip.communicator.service.protocol.*;
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/**
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* Implements a <tt>ScOtrEngineListener</tt> and
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* <tt>ScOtrKeyManagerListener</tt> listener for the purposes of
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* <tt>OtrContactMenu</tt> and <tt>OtrMetaContactButton</tt> which listen to
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* <tt>ScOtrEngine</tt> and <tt>ScOtrKeyManager</tt> while weakly referencing
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* them. Fixes a memory leak of <tt>OtrContactMenu</tt> and
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* <tt>OtrMetaContactButton</tt> instances because these cannot determine when
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* they are to be explicitly disposed.
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*
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* @author Lyubomir Marinov
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*/
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public class OtrWeakListener
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<T extends ScOtrEngineListener &
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ScOtrKeyManagerListener>
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implements ScOtrEngineListener,
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ScOtrKeyManagerListener
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{
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/**
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* The <tt>ScOtrEngine</tt> the <tt>T</tt> associated with
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* this instance is to listen to.
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*/
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private final ScOtrEngine engine;
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/**
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* The <tt>ScOtrKeyManager</tt> the <tt>T</tt> associated
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* with this instance is to listen to.
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*/
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private final ScOtrKeyManager keyManager;
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/**
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* The <tt>T</tt> which is associated with this instance
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* and which is to listen to {@link #engine} and {@link #keyManager}.
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*/
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private final WeakReference<T> listener;
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/**
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* Initializes a new <tt>OtrWeakListener</tt> instance which is to allow
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* a specific <tt>T</tt> to listener to a specific
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* <tt>ScOtrEngine</tt> and a specific <tt>ScOtrKeyManager</tt> without
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* being retained by them forever (because they live forever).
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*
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* @param listener the <tt>T</tt> which is to listen to the
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* specified <tt>engine</tt> and <tt>keyManager</tt>
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* @param engine the <tt>ScOtrEngine</tt> which is to be listened to by
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* the specified <tt>T</tt>
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* @param keyManager the <tt>ScOtrKeyManager</tt> which is to be
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* listened to by the specified <tt>T</tt>
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*/
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public OtrWeakListener(
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T listener,
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ScOtrEngine engine, ScOtrKeyManager keyManager)
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{
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if (listener == null)
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throw new NullPointerException("listener");
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this.listener = new WeakReference<T>(listener);
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this.engine = engine;
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this.keyManager = keyManager;
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this.engine.addListener(this);
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this.keyManager.addListener(this);
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}
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/**
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* {@inheritDoc}
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*
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* Forwards the event/notification to the associated
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* <tt>T</tt> if it is still needed by the application.
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*/
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public void contactPolicyChanged(Contact contact)
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{
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ScOtrEngineListener l = getListener();
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if (l != null)
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l.contactPolicyChanged(contact);
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}
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/**
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* {@inheritDoc}
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*
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* Forwards the event/notification to the associated
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* <tt>T</tt> if it is still needed by the application.
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*/
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public void contactVerificationStatusChanged(Contact contact)
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{
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ScOtrKeyManagerListener l = getListener();
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if (l != null)
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l.contactVerificationStatusChanged(contact);
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}
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/**
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* Gets the <tt>T</tt> which is listening to {@link #engine}
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* and {@link #keyManager}. If the <tt>T</tt> is no longer needed by
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* the application, this instance seizes listening to <tt>engine</tt> and
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* <tt>keyManager</tt> and allows the memory used by this instance to be
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* reclaimed by the Java virtual machine.
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*
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* @return the <tt>T</tt> which is listening to
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* <tt>engine</tt> and <tt>keyManager</tt> if it is still needed by the
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* application; otherwise, <tt>null</tt>
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*/
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private T getListener()
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{
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T l = this.listener.get();
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if (l == null)
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{
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engine.removeListener(this);
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keyManager.removeListener(this);
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}
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return l;
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}
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/**
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* {@inheritDoc}
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*
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* Forwards the event/notification to the associated
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* <tt>T</tt> if it is still needed by the application.
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*/
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public void globalPolicyChanged()
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{
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ScOtrEngineListener l = getListener();
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if (l != null)
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l.globalPolicyChanged();
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}
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/**
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* {@inheritDoc}
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*
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* Forwards the event/notification to the associated
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* <tt>T</tt> if it is still needed by the application.
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*/
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public void sessionStatusChanged(Contact contact)
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{
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ScOtrEngineListener l = getListener();
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if (l != null)
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l.sessionStatusChanged(contact);
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}
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}
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@ -0,0 +1,29 @@
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/*
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* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
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*
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* Distributable under LGPL license.
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* See terms of license at gnu.org.
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*/
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package net.java.sip.communicator.plugin.otr;
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/**
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* Extends otr4j's <tt>SessionStatus</tt> with two additional states.
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*
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* @author Marin Dzhigarov
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*/
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public enum ScSessionStatus
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{
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PLAINTEXT,
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ENCRYPTED,
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FINISHED,
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/*
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* A Session transitions in LOADING state right before
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* Session.startSession() is invoked.
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*/
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LOADING,
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/*
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* A Session transitions in TIMED_OUT state after being in LOADING state for
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* a long period of time.
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*/
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TIMED_OUT
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}
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