/** Initializes contained components. */
private void initComponents() {
final SimpleDateFormat format = new SimpleDateFormat("mm:ss");
final Calendar c = Calendar.getInstance();
final JLabel counter = new JLabel();
counter.setForeground(Color.red);
counter.setFont(counter.getFont().deriveFont((float) (counter.getFont().getSize() + 5)));
setLayout(new GridBagLayout());
setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
GridBagConstraints constraints = new GridBagConstraints();
JLabel messageLabel =
new JLabel(
GuiActivator.getResources().getI18NString("service.gui.security.SECURITY_ALERT"));
messageLabel.setForeground(Color.WHITE);
constraints.anchor = GridBagConstraints.CENTER;
constraints.fill = GridBagConstraints.NONE;
constraints.gridx = 0;
constraints.gridy = 0;
add(messageLabel, constraints);
constraints.anchor = GridBagConstraints.CENTER;
constraints.fill = GridBagConstraints.NONE;
constraints.gridx = 0;
constraints.gridy = 1;
add(counter, constraints);
ZrtpControl zrtpControl = null;
if (securityControl instanceof ZrtpControl) zrtpControl = (ZrtpControl) securityControl;
long initialSeconds = 0;
if (zrtpControl != null) initialSeconds = zrtpControl.getTimeoutValue();
c.setTimeInMillis(initialSeconds);
counter.setText(format.format(c.getTime()));
if (initialSeconds > 0)
timer.schedule(
new TimerTask() {
@Override
public void run() {
if (c.getTimeInMillis() - 1000 > 0) {
c.add(Calendar.SECOND, -1);
counter.setText(format.format(c.getTime()));
}
}
},
1000,
1000);
}
/**
* Creates the buttons panel.
*
* @return the buttons panel
*/
private Component createButtonsPanel() {
JPanel buttonsPanel = new TransparentPanel(new FlowLayout(FlowLayout.RIGHT));
JButton okButton = new JButton(GuiActivator.getResources().getI18NString("service.gui.OK"));
okButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectedDevice = (MediaDevice) deviceComboBox.getSelectedItem();
dispose();
}
});
buttonsPanel.add(okButton);
cancelButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectedDevice = null;
dispose();
}
});
buttonsPanel.add(cancelButton);
return buttonsPanel;
}
/**
* The handler for the security event received. The security event for starting establish a secure
* connection.
*
* @param evt the security started event received
*/
public void securityNegotiationStarted(CallPeerSecurityNegotiationStartedEvent evt) {
if (Boolean.parseBoolean(
GuiActivator.getResources().getSettingsString("impl.gui.PARANOIA_UI"))) {
SrtpControl srtpControl = null;
if (callPeer instanceof MediaAwareCallPeer) srtpControl = evt.getSecurityController();
securityPanel = new ParanoiaTimerSecurityPanel<SrtpControl>(srtpControl);
setSecurityPanelVisible(true);
}
}
/**
* Creates preview for the device(video) in the video container.
*
* @param device the device
* @param videoContainer the container
* @throws IOException a problem accessing the device.
* @throws MediaException a problem getting preview.
*/
private static void createPreview(MediaDevice device, final JComponent videoContainer)
throws IOException, MediaException {
videoContainer.removeAll();
videoContainer.revalidate();
videoContainer.repaint();
if (device == null) return;
Component c =
(Component)
GuiActivator.getMediaService()
.getVideoPreviewComponent(
device, videoContainer.getSize().width, videoContainer.getSize().height);
videoContainer.add(c);
}
/**
* Creates a full filename for the call by combining the directory, file prefix and extension. If
* the directory is <tt>null</tt> user's home directory is used.
*
* @param savedCallsPath the path to the directory in which the generated file name is to be
* placed
* @return a full filename for the call
*/
private String createDefaultFilename(String savedCallsPath) {
// set to user's home when null
if (savedCallsPath == null) {
try {
savedCallsPath =
GuiActivator.getFileAccessService().getDefaultDownloadDirectory().getAbsolutePath();
} catch (IOException ioex) {
// Leave it in the current directory.
}
}
String ext = configuration.getString(Recorder.FORMAT);
// Use a default format when the configured one seems invalid.
if ((ext == null) || (ext.length() == 0) || !isSupportedFormat(ext))
ext = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
return ((savedCallsPath == null) ? "" : (savedCallsPath + File.separator))
+ generateCallFilename(ext);
}
/**
* Set the image of the peer
*
* @param image new image
*/
public void setPeerImage(byte[] image) {
// If the image is still null we try to obtain it from one of the
// available contact sources.
if (image == null || image.length <= 0) {
GuiActivator.getContactList().setSourceContactImage(peerName, photoLabel, 100, 100);
} else {
peerImage = ImageUtils.getScaledRoundedIcon(image, 100, 100);
if (peerImage == null) peerImage = getPhotoLabelIcon();
if (!SwingUtilities.isEventDispatchThread()) {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
photoLabel.setIcon(peerImage);
photoLabel.repaint();
}
});
} else {
photoLabel.setIcon(peerImage);
photoLabel.repaint();
}
}
}
/**
* Volume control used by the button.
*
* @return volume control used by the button.
*/
private VolumeControl getVolumeControl() {
VolumeControl volumeControl = GuiActivator.getMediaService().getInputVolumeControl();
volumeControl.addVolumeChangeListener(this);
return volumeControl;
}
/**
* Indicates that the security is turned on.
*
* <p>Sets the secured status icon to the status panel and initializes/updates the corresponding
* security details.
*
* @param evt Details about the event that caused this message.
*/
public void securityOn(final CallPeerSecurityOnEvent evt) {
if (!SwingUtilities.isEventDispatchThread()) {
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
securityOn(evt);
}
});
return;
}
// If the securityOn is called without a specific event, we'll just set
// the security label status to on.
if (evt == null) {
securityStatusLabel.setSecurityOn();
return;
}
SrtpControl srtpControl = evt.getSecurityController();
if (!srtpControl.requiresSecureSignalingTransport()
|| callPeer.getProtocolProvider().isSignalingTransportSecure()) {
if (srtpControl instanceof ZrtpControl) {
securityStatusLabel.setText("zrtp");
if (!((ZrtpControl) srtpControl).isSecurityVerified())
securityStatusLabel.setSecurityPending();
else securityStatusLabel.setSecurityOn();
} else securityStatusLabel.setSecurityOn();
}
// if we have some other panel, using other control
if (!srtpControl.getClass().isInstance(securityPanel.getSecurityControl())
|| (securityPanel instanceof ParanoiaTimerSecurityPanel)) {
setSecurityPanelVisible(false);
securityPanel = SecurityPanel.create(this, callPeer, srtpControl);
if (srtpControl instanceof ZrtpControl)
((ZrtpSecurityPanel) securityPanel).setSecurityStatusLabel(securityStatusLabel);
}
securityPanel.securityOn(evt);
boolean isSecurityLowPriority =
Boolean.parseBoolean(
GuiActivator.getResources()
.getSettingsString("impl.gui.I_DONT_CARE_THAT_MUCH_ABOUT_SECURITY"));
// Display ZRTP panel in case SAS was not verified or a AOR mismtach
// was detected during creation of ZrtpSecurityPanel.
// Don't show panel if user does not care about security at all.
if (srtpControl instanceof ZrtpControl
&& !isSecurityLowPriority
&& (!((ZrtpControl) srtpControl).isSecurityVerified()
|| ((ZrtpSecurityPanel) securityPanel).isZidAorMismatch())) {
setSecurityPanelVisible(true);
}
this.revalidate();
}
/** Creates sound level related components. */
private void createSoundLevelIndicators() {
TransparentPanel localLevelPanel = new TransparentPanel(new BorderLayout(5, 0));
TransparentPanel remoteLevelPanel = new TransparentPanel(new BorderLayout(5, 0));
localLevel =
new InputVolumeControlButton(
call, ImageLoader.MICROPHONE, ImageLoader.MUTE_BUTTON, false, false);
remoteLevel =
new OutputVolumeControlButton(call.getConference(), ImageLoader.HEADPHONE, false, false)
.getComponent();
final SoundLevelIndicator localLevelIndicator =
new SoundLevelIndicator(SoundLevelChangeEvent.MIN_LEVEL, SoundLevelChangeEvent.MAX_LEVEL);
final SoundLevelIndicator remoteLevelIndicator =
new SoundLevelIndicator(SoundLevelChangeEvent.MIN_LEVEL, SoundLevelChangeEvent.MAX_LEVEL);
localLevelPanel.add(localLevel, BorderLayout.WEST);
localLevelPanel.add(localLevelIndicator, BorderLayout.CENTER);
remoteLevelPanel.add(remoteLevel, BorderLayout.WEST);
remoteLevelPanel.add(remoteLevelIndicator, BorderLayout.CENTER);
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.NONE;
constraints.gridx = 0;
constraints.gridy = 5;
constraints.weightx = 0;
constraints.weighty = 0;
constraints.insets = new Insets(10, 0, 0, 0);
add(localLevelPanel, constraints);
constraints.fill = GridBagConstraints.NONE;
constraints.gridx = 0;
constraints.gridy = 6;
constraints.weightx = 0;
constraints.weighty = 0;
constraints.insets = new Insets(5, 0, 10, 0);
add(remoteLevelPanel, constraints);
if (!GuiActivator.getConfigurationService()
.getBoolean(
"net.java.sip.communicator.impl.gui.main.call." + "DISABLE_SOUND_LEVEL_INDICATORS",
false)) {
callPeer.addStreamSoundLevelListener(
new SoundLevelListener() {
public void soundLevelChanged(Object source, int level) {
remoteLevelIndicator.updateSoundLevel(level);
}
});
/*
* By the time the UI gets to be initialized, the callPeer may have
* been removed from its Call. As far as the UI is concerned, the
* callPeer will never have a Call again and there will be no audio
* levels to display anyway so there is no point in throwing a
* NullPointerException here.
*/
if (call != null) {
call.addLocalUserSoundLevelListener(
new SoundLevelListener() {
public void soundLevelChanged(Object source, int level) {
localLevelIndicator.updateSoundLevel(level);
}
});
}
}
}
/**
* The button that starts/stops the call recording.
*
* @author Dmitri Melnikov
* @author Lubomir Marinov
*/
public class RecordButton extends AbstractCallToggleButton {
/** The logger used by the <tt>RecordButton</tt> class and its instances for logging output. */
private static final Logger logger = Logger.getLogger(RecordButton.class);
/** The date format used in file names. */
private static final SimpleDateFormat FORMAT = new SimpleDateFormat("*****@*****.**");
/** Configuration service. */
private static final ConfigurationService configuration = GuiActivator.getConfigurationService();
/** Resource service. */
private static final ResourceManagementService resources = GuiActivator.getResources();
/** Maximum allowed file name length. */
private static final int MAX_FILENAME_LENGTH = 64;
/** The full filename of the saved call on the file system. */
private String callFilename;
/** Call file chooser. */
private SipCommFileChooser callFileChooser;
/**
* The <tt>Recorder</tt> which is depicted by this <tt>RecordButton</tt> and which is to record or
* records {@link #call} into {@link #callFilename}.
*/
private Recorder recorder;
/**
* Initializes a new <tt>RecordButton</tt> instance which is to record the audio stream.
*
* @param call the <tt>Call</tt> to be associated with the new instance and to have the audio
* stream recorded
*/
public RecordButton(Call call) {
this(call, false);
}
/**
* Initializes a new <tt>RecordButton</tt> instance which is to record the audio stream.
*
* @param call the <tt>Call</tt> to be associated with the new instance and to have its audio
* stream recorded
* @param selected <tt>true</tt> if the new toggle button is to be initially selected; otherwise,
* <tt>false</tt>
*/
public RecordButton(Call call, boolean selected) {
super(call, true, selected, ImageLoader.RECORD_BUTTON, ImageLoader.RECORD_BUTTON_PRESSED, null);
String toolTip = resources.getI18NString("service.gui.RECORD_BUTTON_TOOL_TIP");
String saveDir = configuration.getString(Recorder.SAVED_CALLS_PATH);
if ((saveDir != null) && (saveDir.length() != 0)) toolTip += " (" + saveDir + ")";
setToolTipText(toolTip);
}
/** Starts/stops the recording of the call when this button is pressed. */
@Override
public void buttonPressed() {
if (call != null) {
// start recording
if (isSelected()) {
boolean startedRecording = false;
try {
startedRecording = startRecording();
} finally {
if (!startedRecording && (recorder != null)) {
try {
recorder.stop();
} finally {
recorder = null;
}
}
setSelected(startedRecording);
}
}
// stop recording
else if (recorder != null) {
try {
recorder.stop();
} finally {
recorder = null;
setSelected(false);
}
}
}
}
/**
* Creates a full filename for the call by combining the directory, file prefix and extension. If
* the directory is <tt>null</tt> user's home directory is used.
*
* @param savedCallsPath the path to the directory in which the generated file name is to be
* placed
* @return a full filename for the call
*/
private String createDefaultFilename(String savedCallsPath) {
// set to user's home when null
if (savedCallsPath == null) {
try {
savedCallsPath =
GuiActivator.getFileAccessService().getDefaultDownloadDirectory().getAbsolutePath();
} catch (IOException ioex) {
// Leave it in the current directory.
}
}
String ext = configuration.getString(Recorder.FORMAT);
// Use a default format when the configured one seems invalid.
if ((ext == null) || (ext.length() == 0) || !isSupportedFormat(ext))
ext = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
return ((savedCallsPath == null) ? "" : (savedCallsPath + File.separator))
+ generateCallFilename(ext);
}
/**
* Generates a file name for the call based on the current date and the names of the peers in the
* call.
*
* @param ext file extension
* @return the file name for the call
*/
private String generateCallFilename(String ext) {
String filename = FORMAT.format(new Date()) + "-call";
int maxLength = MAX_FILENAME_LENGTH - 2 - filename.length() - ext.length();
String peerName = getCallPeerName(maxLength);
filename += ((!peerName.equals("")) ? "-" : "") + peerName + "." + ext;
return filename;
}
/**
* Gets and formats the names of the peers in the call.
*
* @param maxLength maximum length of the filename
* @return the name of the peer in the call formated
*/
private String getCallPeerName(int maxLength) {
List<CallPeer> callPeers = call.getConference().getCallPeers();
CallPeer callPeer = null;
String peerName = "";
if (!callPeers.isEmpty()) {
callPeer = callPeers.get(0);
if (callPeer != null) {
peerName = callPeer.getDisplayName();
peerName = peerName.replaceAll("[^\\da-zA-Z\\_\\-@\\.]", "");
if (peerName.length() > maxLength) {
peerName = peerName.substring(0, maxLength);
}
}
}
return peerName;
}
/**
* Gets the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> creating it first if it
* does not exist.
*
* @return the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> created first if it
* does not exist
* @throws OperationFailedException if anything goes wrong while creating the <tt>Recorder</tt> to
* be represented by this <tt>RecordButton</tt>
*/
private Recorder getRecorder() throws OperationFailedException {
if (recorder == null) {
OperationSetBasicTelephony<?> telephony =
call.getProtocolProvider().getOperationSet(OperationSetBasicTelephony.class);
recorder = telephony.createRecorder(call);
}
return recorder;
}
/**
* Determines whether the extension of a specific <tt>File</tt> specifies a format supported by
* the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>.
*
* @param file the <tt>File</tt> whose extension is to be checked whether it specifies a format
* supported by the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>
* @return <tt>true</tt> if the extension of the specified <tt>file</tt> specifies a format
* supported by the <tt>Recorder</tt> represented by this <tt>RecordButton</tt>; otherwise,
* <tt>false</tt>
*/
private boolean isSupportedFormat(File file) {
String extension = SoundFileUtils.getExtension(file);
return (extension != null) && (extension.length() != 0) && isSupportedFormat(extension);
}
/**
* Determines whether a specific format is supported by the <tt>Recorder</tt> represented by this
* <tt>RecordButton</tt>.
*
* @param format the format which is to be checked whether it is supported by the
* <tt>Recorder</tt> represented by this <tt>RecordButton</tt>
* @return <tt>true</tt> if the specified <tt>format</tt> is supported by the <tt>Recorder</tt>
* represented by this <tt>RecordButton</tt>; otherwise, <tt>false</tt>
*/
private boolean isSupportedFormat(String format) {
Recorder recorder;
try {
recorder = getRecorder();
} catch (OperationFailedException ofex) {
logger.error("Failed to get Recorder", ofex);
return false;
}
List<String> supportedFormats = recorder.getSupportedFormats();
return (supportedFormats != null) && supportedFormats.contains(format);
}
/**
* Starts recording {@link #call} creating {@link #recorder} first and asking the user for the
* recording format and file if they are not configured in the "Call Recording" configuration
* form.
*
* @return <tt>true</tt> if the recording has been started successfully; otherwise, <tt>false</tt>
*/
private boolean startRecording() {
String savedCallsPath = configuration.getString(Recorder.SAVED_CALLS_PATH);
String callFormat;
// Ask the user where to save the call.
if ((savedCallsPath == null) || (savedCallsPath.length() == 0)) {
/*
* Delay the initialization of callFileChooser in order to delay the
* creation of the recorder.
*/
if (callFileChooser == null) {
callFileChooser =
GenericFileDialog.create(
null,
resources.getI18NString("plugin.callrecordingconfig.SAVE_CALL"),
SipCommFileChooser.SAVE_FILE_OPERATION);
callFileChooser.addFilter(
new SipCommFileFilter() {
@Override
public boolean accept(File f) {
return f.isDirectory() || isSupportedFormat(f);
}
@Override
public String getDescription() {
StringBuilder description = new StringBuilder();
description.append("Recorded call");
Recorder recorder;
try {
recorder = getRecorder();
} catch (OperationFailedException ofex) {
logger.error("Failed to get Recorder", ofex);
recorder = null;
}
if (recorder != null) {
List<String> supportedFormats = recorder.getSupportedFormats();
if (supportedFormats != null) {
description.append(" (");
boolean firstSupportedFormat = true;
for (String supportedFormat : supportedFormats) {
if (firstSupportedFormat) firstSupportedFormat = false;
else description.append(", ");
description.append("*.");
description.append(supportedFormat);
}
description.append(')');
}
}
return description.toString();
}
});
}
// Offer a default name for the file to record into.
callFileChooser.setStartPath(createDefaultFilename(null));
File selectedFile = callFileChooser.getFileFromDialog();
if (selectedFile != null) {
callFilename = selectedFile.getAbsolutePath();
/*
* If the user specified no extension (which seems common on Mac
* OS X at least) i.e. no format, then it is not obvious that we
* have to override the set Recorder.CALL_FORMAT.
*/
callFormat = SoundFileUtils.getExtension(selectedFile);
if ((callFormat != null) && (callFormat.length() != 0)) {
/*
* If the use has specified an extension and thus a format
* which is not supported, use a default format instead.
*/
if (!isSupportedFormat(selectedFile)) {
/*
* If what appears to be an extension seems a lot like
* an extension, then it should be somewhat safer to
* replace it.
*/
if (SoundFileUtils.isSoundFile(selectedFile)) {
callFilename = callFilename.substring(0, callFilename.lastIndexOf('.'));
}
String configuredFormat = configuration.getString(Recorder.FORMAT);
callFormat =
(configuredFormat != null && configuredFormat.length() != 0)
? configuredFormat
: SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
callFilename += '.' + callFormat;
}
configuration.setProperty(Recorder.FORMAT, callFormat);
}
} else {
// user canceled the recording
return false;
}
} else {
callFilename = createDefaultFilename(savedCallsPath);
callFormat = SoundFileUtils.getExtension(new File(callFilename));
}
Throwable exception = null;
try {
Recorder recorder = getRecorder();
if (recorder != null) {
if ((callFormat == null) || (callFormat.length() <= 0))
callFormat = SoundFileUtils.DEFAULT_CALL_RECORDING_FORMAT;
recorder.start(callFormat, callFilename);
}
this.recorder = recorder;
} catch (IOException ioex) {
exception = ioex;
} catch (MediaException mex) {
exception = mex;
} catch (OperationFailedException ofex) {
exception = ofex;
}
if ((recorder == null) || (exception != null)) {
logger.error(
"Failed to start recording call " + call + " into file " + callFilename, exception);
return false;
} else return true;
}
}
/**
* A dialog dedicated to desktop streaming/sharing. Shows the possible screens to select from to use
* for the streaming/sharing session.
*
* @author Yana Stamcheva
*/
public class SelectScreenDialog extends SIPCommDialog {
/** Serial version UID. */
private static final long serialVersionUID = 0L;
/** The object used for logging. */
private static final Logger logger = Logger.getLogger(SelectScreenDialog.class);
/** The combo box containing screen choice. */
private final JComboBox deviceComboBox;
/** The cancel button of this dialog. */
private final JButton cancelButton =
new JButton(GuiActivator.getResources().getI18NString("service.gui.CANCEL"));
/**
* The video <code>CaptureDeviceInfo</code> this instance started to create the preview of.
*
* <p>Because the creation of the preview is asynchronous, it's possible to request the preview of
* one and the same device multiple times. Which may lead to failures because of, for example,
* busy devices and/or resources (as is the case with LTI-CIVIL and video4linux2).
*/
private static MediaDevice videoDeviceInPreview;
/** The selected media device. */
private MediaDevice selectedDevice;
/**
* Creates an instance of <tt>SelectScreenDialog</tt> by specifying the list of possible desktop
* devices to choose from.
*
* @param desktopDevices the list of possible desktop devices to choose from
*/
public SelectScreenDialog(List<MediaDevice> desktopDevices) {
setModal(true);
setPreferredSize(new Dimension(400, 300));
Container contentPane = getContentPane();
contentPane.setLayout(new BorderLayout());
deviceComboBox = new JComboBox(desktopDevices.toArray());
contentPane.add(deviceComboBox, BorderLayout.NORTH);
deviceComboBox.setRenderer(new ComboRenderer());
contentPane.add(createPreview(deviceComboBox));
contentPane.add(createButtonsPanel(), BorderLayout.SOUTH);
}
/**
* Returns the selected device.
*
* @return the selected device
*/
public MediaDevice getSelectedDevice() {
return selectedDevice;
}
/**
* Creates the buttons panel.
*
* @return the buttons panel
*/
private Component createButtonsPanel() {
JPanel buttonsPanel = new TransparentPanel(new FlowLayout(FlowLayout.RIGHT));
JButton okButton = new JButton(GuiActivator.getResources().getI18NString("service.gui.OK"));
okButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectedDevice = (MediaDevice) deviceComboBox.getSelectedItem();
dispose();
}
});
buttonsPanel.add(okButton);
cancelButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
selectedDevice = null;
dispose();
}
});
buttonsPanel.add(cancelButton);
return buttonsPanel;
}
/**
* Create preview component.
*
* @param comboBox the options.
* @return the component.
*/
private static Component createPreview(final JComboBox comboBox) {
final JComponent preview;
JLabel noPreview =
new JLabel(GuiActivator.getResources().getI18NString("impl.media.configform.NO_PREVIEW"));
noPreview.setHorizontalAlignment(SwingConstants.CENTER);
noPreview.setVerticalAlignment(SwingConstants.CENTER);
preview = createVideoContainer(noPreview);
preview.setPreferredSize(new Dimension(WIDTH, 280));
preview.setMaximumSize(new Dimension(WIDTH, 280));
final ActionListener comboBoxListener =
new ActionListener() {
public void actionPerformed(ActionEvent event) {
MediaDevice device = (MediaDevice) comboBox.getSelectedItem();
if ((device != null) && device.equals(videoDeviceInPreview)) return;
Exception exception;
try {
createPreview(device, preview);
exception = null;
} catch (IOException ex) {
exception = ex;
} catch (MediaException ex) {
exception = ex;
}
if (exception != null) {
logger.error("Failed to create preview for device " + device, exception);
device = null;
}
videoDeviceInPreview = device;
}
};
comboBox.addActionListener(comboBoxListener);
/*
* We have to initialize the controls to reflect the configuration
* at the time of creating this instance. Additionally, because the
* video preview will stop when it and its associated controls
* become unnecessary, we have to restart it when the mentioned
* controls become necessary again. We'll address the two goals
* described by pretending there's a selection in the video combo
* box when the combo box in question becomes displayable.
*/
comboBox.addHierarchyListener(
new HierarchyListener() {
public void hierarchyChanged(HierarchyEvent event) {
if (((event.getChangeFlags() & HierarchyEvent.DISPLAYABILITY_CHANGED) != 0)
&& comboBox.isDisplayable()) {
// let current changes end their execution
// and after that trigger action on combobox
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
comboBoxListener.actionPerformed(null);
}
});
} else {
if (!comboBox.isDisplayable()) videoDeviceInPreview = null;
}
}
});
return preview;
}
/**
* Creates preview for the device(video) in the video container.
*
* @param device the device
* @param videoContainer the container
* @throws IOException a problem accessing the device.
* @throws MediaException a problem getting preview.
*/
private static void createPreview(MediaDevice device, final JComponent videoContainer)
throws IOException, MediaException {
videoContainer.removeAll();
videoContainer.revalidate();
videoContainer.repaint();
if (device == null) return;
Component c =
(Component)
GuiActivator.getMediaService()
.getVideoPreviewComponent(
device, videoContainer.getSize().width, videoContainer.getSize().height);
videoContainer.add(c);
}
/**
* Creates the video container.
*
* @param noVideoComponent the container component.
* @return the video container.
*/
private static JComponent createVideoContainer(Component noVideoComponent) {
return new VideoContainer(noVideoComponent, false);
}
/** Custom combo box renderer. */
private static class ComboRenderer extends DefaultListCellRenderer {
@Override
public Component getListCellRendererComponent(
JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
MediaDevice mediaDevice = (MediaDevice) value;
Dimension screenSize = null;
if (mediaDevice != null) screenSize = ((VideoMediaFormat) mediaDevice.getFormat()).getSize();
this.setText(screenSize.width + "x" + screenSize.height);
return this;
}
}
/**
* Automatically press the cancel button when this dialog has been escaped.
*
* @param escaped indicates if this dialog has been closed by pressing the ESC key
*/
@Override
protected void close(boolean escaped) {
if (escaped) cancelButton.doClick();
}
}
/**
* Create preview component.
*
* @param comboBox the options.
* @return the component.
*/
private static Component createPreview(final JComboBox comboBox) {
final JComponent preview;
JLabel noPreview =
new JLabel(GuiActivator.getResources().getI18NString("impl.media.configform.NO_PREVIEW"));
noPreview.setHorizontalAlignment(SwingConstants.CENTER);
noPreview.setVerticalAlignment(SwingConstants.CENTER);
preview = createVideoContainer(noPreview);
preview.setPreferredSize(new Dimension(WIDTH, 280));
preview.setMaximumSize(new Dimension(WIDTH, 280));
final ActionListener comboBoxListener =
new ActionListener() {
public void actionPerformed(ActionEvent event) {
MediaDevice device = (MediaDevice) comboBox.getSelectedItem();
if ((device != null) && device.equals(videoDeviceInPreview)) return;
Exception exception;
try {
createPreview(device, preview);
exception = null;
} catch (IOException ex) {
exception = ex;
} catch (MediaException ex) {
exception = ex;
}
if (exception != null) {
logger.error("Failed to create preview for device " + device, exception);
device = null;
}
videoDeviceInPreview = device;
}
};
comboBox.addActionListener(comboBoxListener);
/*
* We have to initialize the controls to reflect the configuration
* at the time of creating this instance. Additionally, because the
* video preview will stop when it and its associated controls
* become unnecessary, we have to restart it when the mentioned
* controls become necessary again. We'll address the two goals
* described by pretending there's a selection in the video combo
* box when the combo box in question becomes displayable.
*/
comboBox.addHierarchyListener(
new HierarchyListener() {
public void hierarchyChanged(HierarchyEvent event) {
if (((event.getChangeFlags() & HierarchyEvent.DISPLAYABILITY_CHANGED) != 0)
&& comboBox.isDisplayable()) {
// let current changes end their execution
// and after that trigger action on combobox
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
comboBoxListener.actionPerformed(null);
}
});
} else {
if (!comboBox.isDisplayable()) videoDeviceInPreview = null;
}
}
});
return preview;
}
