onScreenshotRequested property

Stream<Viewport> onScreenshotRequested

Fired when user asks to capture screenshot of some area on the page.

Implementation

Stream<page.Viewport> get onScreenshotRequested => _client.onEvent
    .where((event) => event.name == 'Overlay.screenshotRequested')
    .map((event) => page.Viewport.fromJson(
        event.parameters['viewport'] as Map<String, dynamic>));