Contents

class Puppeteer::EmulationManager
  using Puppeteer::DefineAsyncMethod

  # @param {!Puppeteer.CDPSession} client
  def initialize(client)
    @client = client
    @emulating_mobile = false
    @has_touch = false
  end

  # @param viewport [Puppeteer::Viewport]
  # @return [true|false]
  def emulate_viewport(viewport)
    mobile = viewport.mobile?
    width = viewport.width
    height = viewport.height
    device_scale_factor = viewport.device_scale_factor
    screen_orientation =
      if viewport.landscape?
        { angle: 90, type: 'landscapePrimary' }
      else
        { angle: 0, type: 'portraitPrimary' }
      end
    has_touch = viewport.has_touch?

    await_all(
      @client.async_send_message('Emulation.setDeviceMetricsOverride',
        mobile: mobile,
        width: width,
        height: height,
        deviceScaleFactor: device_scale_factor,
        screenOrientation: screen_orientation,
      ),
      @client.async_send_message('Emulation.setTouchEmulationEnabled',
        enabled: has_touch,
      ),
    )

    reload_needed = @emulating_mobile != mobile || @has_touch != has_touch
    @emulating_mobile = mobile
    @has_touch = has_touch
    reload_needed
  end

  define_async_method :async_emulate_viewport
end

Version data entries

42 entries across 42 versions & 1 rubygems

Version	Path
puppeteer-ruby-0.32.4	lib/puppeteer/emulation_manager.rb
puppeteer-ruby-0.32.3	lib/puppeteer/emulation_manager.rb