Examples with FlutterFramesMonitor io.flutter.perf.FlutterFramesMonitor used on opensource projects

Example 1 with FlutterFramesMonitor

use of io.flutter.perf.FlutterFramesMonitor in project flutter-intellij by flutter.

the class StackLayout method createJPanelView.

public static JPanel createJPanelView(Disposable parentDisposable, FlutterApp app) {
    final JPanel panel = new JPanel(new StackLayout());
    panel.setDoubleBuffered(true);
    panel.setBorder(IdeBorderFactory.createBorder(SideBorder.TOP));
    panel.setPreferredSize(new Dimension(100, HeapDisplay.PANEL_HEIGHT));
    assert app.getPerfService() != null;
    final FlutterFramesMonitor flutterFramesMonitor = app.getPerfService().getFlutterFramesMonitor();
    final FPSPanel fpsPanel = new FPSPanel(flutterFramesMonitor);
    final JPanel labelsPanel = new JPanel();
    labelsPanel.setOpaque(false);
    labelsPanel.setLayout(new BoxLayout(labelsPanel, BoxLayout.X_AXIS));
    panel.add(fpsPanel);
    panel.add(labelsPanel);
    final JBLabel fpsLabel = new JBLabel();
    fpsLabel.setAlignmentY(Component.TOP_ALIGNMENT);
    fpsLabel.setFont(UIUtil.getLabelFont(UIUtil.FontSize.SMALL));
    fpsLabel.setForeground(UIUtil.getLabelDisabledForeground());
    fpsLabel.setOpaque(false);
    fpsLabel.setBorder(JBUI.Borders.empty(4));
    final JBLabel elapsedLabel = new JBLabel("", SwingConstants.RIGHT);
    elapsedLabel.setAlignmentY(Component.TOP_ALIGNMENT);
    elapsedLabel.setFont(UIUtil.getLabelFont(UIUtil.FontSize.SMALL));
    elapsedLabel.setForeground(UIUtil.getLabelDisabledForeground());
    elapsedLabel.setOpaque(false);
    elapsedLabel.setBorder(JBUI.Borders.empty(4));
    labelsPanel.add(fpsLabel);
    labelsPanel.add(Box.createHorizontalGlue());
    labelsPanel.add(elapsedLabel);
    final FlutterFramesMonitor.Listener listener = event -> {
        fpsPanel.update();
        final int ms = Math.round(event.elapsedMicros / 1000.0f);
        elapsedLabel.setText(ms + "ms");
        SwingUtilities.invokeLater(elapsedLabel::repaint);
        fpsLabel.setText(df.format(flutterFramesMonitor.getFPS()) + " FPS");
        SwingUtilities.invokeLater(fpsLabel::repaint);
    };
    flutterFramesMonitor.addListener(listener);
    Disposer.register(parentDisposable, () -> flutterFramesMonitor.removeListener(listener));
    return panel;
}