mirror of https://github.com/sipwise/jitsi.git
Damian Minkov
11 years ago
parent
84b528c941
commit
ecfda19eb5
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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.impl.gui.main.call;
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import net.java.sip.communicator.impl.gui.*;
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import net.java.sip.communicator.plugin.desktoputil.*;
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import net.java.sip.communicator.service.protocol.*;
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import net.java.sip.communicator.service.protocol.event.*;
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import net.java.sip.communicator.service.protocol.media.*;
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import org.jitsi.service.neomedia.*;
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import javax.swing.*;
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import javax.swing.plaf.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.beans.*;
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/**
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* <tt>FullScreenShareIndicator</tt> take care of always on top dialog
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* shown when we are sharing our fullscreen. This way when users go to other
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* application can still see an indication that their screen is shared, so
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* don't show sensitive information.
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* We use the java setAlwaysOnTop which is reported to be not working when
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* using fullscreen, for example if you enter fullscreen of the call (but
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* as you are sharing your screen it doesn't make sense). It also stops working
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* if other app goes in always on top, like when using windows you open task
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* manager and it is set as always on top, our indicator dialog will stop to
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* be always on top.
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*
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* @author Damian Minkov
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*/
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public class FullScreenShareIndicator
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extends CallChangeAdapter
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implements PropertyChangeListener
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{
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/**
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* The call to take care of.
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*/
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private final Call call;
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/**
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* The dialog that is shown, otherwise null.
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*/
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private JDialog dialog = null;
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/**
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* Constructs the indicator and adds the appropriate listeners.
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* @param call
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*/
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FullScreenShareIndicator(Call call)
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{
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this.call = call;
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if(call instanceof MediaAwareCall)
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{
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((MediaAwareCall)call).addVideoPropertyChangeListener(this);
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}
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call.addCallChangeListener(this);
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}
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/**
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* Listens for vide change events of local video straming in mesia case
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* desktop, whether we need to start and show the dialog, or if already
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* shown to close it.
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* @param evt the video event
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*/
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@Override
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public void propertyChange(PropertyChangeEvent evt)
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{
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if(!evt.getPropertyName()
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.equals(OperationSetVideoTelephony.LOCAL_VIDEO_STREAMING)
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|| (call instanceof MediaAwareCall
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&& ((MediaAwareCall)call).getMediaUseCase()
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!= MediaUseCase.DESKTOP))
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return;
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Object newValue = evt.getNewValue();
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Object oldValue = evt.getOldValue();
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// and if there is no frame shown for region desktop sharing
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if((oldValue == null || oldValue == MediaDirection.RECVONLY)
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&& newValue == MediaDirection.SENDRECV
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&& DesktopSharingFrame.getFrameForCall(call) == null)
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{
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showDialog();
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}
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else if(oldValue == MediaDirection.SENDRECV
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&& (newValue == null || newValue == MediaDirection.RECVONLY))
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{
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closeDialog();
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}
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}
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/**
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* Listens whether we need to show or hide the dialog.
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* @param ev
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*/
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@Override
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public void callStateChanged(CallChangeEvent ev)
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{
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if(!CallChangeEvent.CALL_STATE_CHANGE
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.equals(ev.getPropertyName()))
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return;
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Object newValue = ev.getNewValue();
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if(CallState.CALL_INITIALIZATION.equals(newValue)
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|| CallState.CALL_IN_PROGRESS.equals(newValue))
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{
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showDialog();
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}
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else if(CallState.CALL_ENDED.equals(newValue))
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{
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ev.getSourceCall().removeCallChangeListener(this);
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if(call instanceof MediaAwareCall)
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{
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((MediaAwareCall)call)
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.removeVideoPropertyChangeListener(this);
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}
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closeDialog();
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}
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}
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/**
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* Creates and shows the dialog if not already created.
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*/
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private void showDialog()
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{
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if(dialog != null)
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return;
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dialog = new JDialog((Window) null)
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{
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@Override
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public void setVisible(boolean b)
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{
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setLocationByPlatform(false);
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Dimension screenSize =
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Toolkit.getDefaultToolkit().getScreenSize();
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setLocation(screenSize.width/2 - getWidth()/2,
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getLocation().y);
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super.setVisible(b);
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}
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};
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dialog.setUndecorated(true);
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dialog.getRootPane().setWindowDecorationStyle(JRootPane.NONE);
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dialog.setAlwaysOnTop(true);
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JLabel label = new JLabel(
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GuiActivator.getResources()
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.getI18NString("service.gui.DESKTOP_SHARING_DIALOG_INDICATE"));
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label.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 8));
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Color backgroundColor =
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new ColorUIResource(GuiActivator.getResources().
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getColor("service.gui.DESKTOP_BACKGROUND"));
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JPanel panel = new JPanel(new FlowLayout());
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panel.setBackground(backgroundColor);
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JPanel linePanel = new TransparentPanel(new BorderLayout());
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linePanel.add(label, BorderLayout.CENTER);
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linePanel.setBorder(
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BorderFactory.createMatteBorder(0, 0, 0, 1, Color.lightGray));
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panel.add(linePanel);
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SIPCommTextButton stopButton = new SIPCommTextButton("Stop");
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stopButton.setBackground(backgroundColor);
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panel.add(stopButton);
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stopButton.addActionListener(new ActionListener()
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{
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@Override
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public void actionPerformed(ActionEvent e)
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{
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if (CallManager.isDesktopSharingEnabled(call))
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{
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CallManager.enableDesktopSharing(call, false);
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}
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}
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});
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panel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));
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dialog.getContentPane().add(panel);
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dialog.pack();
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dialog.setVisible(true);
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}
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/**
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* Closes and clears the dialog instance.
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*/
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private void closeDialog()
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{
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if(dialog != null)
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{
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dialog.setVisible(false);
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dialog = null;
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}
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}
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}
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