def PinchPage(self,
left_anchor_ratio=0.5,
top_anchor_ratio=0.5,
scale_factor=None,
speed_in_pixels_per_second=800):
"""Perform the pinch gesture on the page.
It computes the pinch gesture automatically based on the anchor
coordinate and the scale factor. The scale factor is the ratio of
of the final span and the initial span of the gesture.
Args:
left_anchor_ratio: The horizontal pinch anchor coordinate of the
gesture, as a ratio of the visible bounding rectangle for
document.body.
top_anchor_ratio: The vertical pinch anchor coordinate of the
gesture, as a ratio of the visible bounding rectangle for
document.body.
scale_factor: The ratio of the final span to the initial span.
The default scale factor is 3.0 / (current scale factor).
speed_in_pixels_per_second: The speed of the gesture (in pixels/s).
"""
self._RunAction(
PinchAction(left_anchor_ratio=left_anchor_ratio,
top_anchor_ratio=top_anchor_ratio,
scale_factor=scale_factor,
speed_in_pixels_per_second=speed_in_pixels_per_second))
def PinchElement(self, selector=None, text=None, element_function=None,
left_anchor_ratio=0.5, top_anchor_ratio=0.5,
scale_factor=None, speed_in_pixels_per_second=800):
"""Perform the pinch gesture on an element.
It computes the pinch gesture automatically based on the anchor
coordinate and the scale factor. The scale factor is the ratio of
of the final span and the initial span of the gesture.
Args:
selector: A CSS selector describing the element.
text: The element must contains this exact text.
element_function: A JavaScript function (as string) that is used
to retrieve the element. For example:
'function() { return foo.element; }'.
left_anchor_ratio: The horizontal pinch anchor coordinate of the
gesture, as a ratio of the visible bounding rectangle for
the element.
top_anchor_ratio: The vertical pinch anchor coordinate of the
gesture, as a ratio of the visible bounding rectangle for
the element.
scale_factor: The ratio of the final span to the initial span.
The default scale factor is
3.0 / (window.outerWidth/window.innerWidth).
speed_in_pixels_per_second: The speed of the gesture (in pixels/s).
"""
self._RunAction(PinchAction(
selector=selector, text=text, element_function=element_function,
left_anchor_ratio=left_anchor_ratio, top_anchor_ratio=top_anchor_ratio,
scale_factor=scale_factor,
speed_in_pixels_per_second=speed_in_pixels_per_second))
