Module: Briar::Control::Slider

Defined in:
lib/briar/control/slider.rb

Instance Method Summary collapse

Instance Method Details

#briar_args_for_slider_set_value(options) ⇒ Object 



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# File 'lib/briar/control/slider.rb', line 7

def briar_args_for_slider_set_value(options)
  args = []
  if options.has_key?(:notify_targets)
    args << options[:notify_targets] ? 1 : 0
  else
    args << 1
  end

  if options.has_key?(:animate)
    args << options[:animate] ? 1 : 0
  else
    args << 1
  end
  args
end

#briar_slider_set_value(slider_id, value, options = {:animate => true, :notify_targets => true}) ⇒ Object 



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# File 'lib/briar/control/slider.rb', line 23

def briar_slider_set_value(slider_id, value, options = {:animate => true,
                                                        :notify_targets => true})
  value_str = value.to_f.to_s
  args = briar_args_for_slider_set_value(options)
  query_str = "slider marked:'#{slider_id}'"
  views_touched = map(query_str, :changeSlider, value_str, *args)
  msg = "could not slider marked '#{slider_id}' to '#{value}' using query '#{query_str}' with options '#{options}'"
  assert_map_results(views_touched, msg)
end

#change_slider_value_to(slider_id, value) ⇒ Object

WARNING: requires a tap gesture recognizer on the slider you have been warned



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# File 'lib/briar/control/slider.rb', line 36

def change_slider_value_to(slider_id, value)
  target = value.to_f
  if target < 0
    pending "value '#{value}' must be >= 0"
  end
  min_val = query("slider marked:'#{slider_id}'", :minimumValue).first
  # will not work for min_val != 0
  if min_val != 0
    pending "sliders with non-zero minimum values are not supported - slider '#{slider_id}' has minimum value of '#{min_val}'"
  end
  max_val = query("slider marked:'#{slider_id}'", :maximumValue).first
  if target > max_val
    screenshot_and_raise "cannot change slider '#{slider_id}' to '#{value}' because the maximum allowed value is '#{max_val}'"
  end
  # the x offset is from the middle of the slider.
  # ex.  slider from 0 to 5
  #      to touch 3, x must be 0
  #      to touch 0, x must be -2.5
  #      to touch 5, x must be 2.5
  half_val = (max_val/2)
  width = query("slider marked:'#{slider_id}'", :frame).first["Width"]
  x = ((width/2) * ((target - half_val)/half_val)).ceil
  touch("slider marked:'#{slider_id}'", {:offset => {:x => x, :y => 0}})
  #current = query("slider marked:'#{slider_id}'", :value).first
  #puts "current => at '#{current}' with x => '#{x}'"
end