def _update_scaling_params(self):
# type: () -> Optional[ScaleProvider]
if (self.device_pixel_ratio != self._UNKNOWN_DEVICE_PIXEL_RATIO
or not isinstance(self._scale_provider, NullScaleProvider)):
logger.debug("Device pixel ratio was already changed")
return self._scale_provider
logger.debug("Trying to extract device pixel ratio...")
try:
device_pixel_ratio = eyes_selenium_utils.get_device_pixel_ratio(
self._driver)
except Exception as e:
logger.info(
"Failed to extract device pixel ratio! Using default. Error %s "
% e)
device_pixel_ratio = self._DEFAULT_DEVICE_PIXEL_RATIO
logger.info("Device pixel ratio: {}".format(device_pixel_ratio))
self._device_pixel_ratio = device_pixel_ratio
logger.debug("Setting scale provider...")
try:
self._scale_provider = ContextBasedScaleProvider(
top_level_context_entire_size=self._driver.
get_entire_page_size(),
viewport_size=self.configure.viewport_size,
device_pixel_ratio=device_pixel_ratio,
is_mobile_device=False, # TODO: fix scaling for mobile
) # type: ScaleProvider
except Exception:
# This can happen in Appium for example.
logger.info("Failed to set ContextBasedScaleProvider.")
logger.info("Using FixedScaleProvider instead...")
self._scale_provider = FixedScaleProvider(1 / device_pixel_ratio)
logger.info("Done!")
return self._scale_provider
def update_scaling_params(self):
# type: () -> Optional[ScaleProvider]
if (
self.device_pixel_ratio != self._UNKNOWN_DEVICE_PIXEL_RATIO
or not isinstance(self._scale_provider, NullScaleProvider)
):
logger.debug("Device pixel ratio was already changed")
return self._scale_provider
logger.debug("Trying to extract device pixel ratio...")
try:
if (
self.driver.is_mobile_app
and Feature.SCALE_MOBILE_APP in self.configure.features
):
device_pixel_ratio = self.driver.session["pixelRatio"]
else:
device_pixel_ratio = self._driver.execute_script(
"return window.devicePixelRatio;"
)
except Exception as e:
logger.info(
"Failed to extract device pixel ratio! Using default. Error %s " % e
)
device_pixel_ratio = self._DEFAULT_DEVICE_PIXEL_RATIO
logger.info("Device pixel ratio: {}".format(device_pixel_ratio))
self._device_pixel_ratio = device_pixel_ratio
logger.debug("Setting scale provider...")
try:
self._scale_provider = ContextBasedScaleProvider(
top_level_context_entire_size=self._driver.get_entire_page_size(),
viewport_size=self.configure.viewport_size,
device_pixel_ratio=device_pixel_ratio,
is_mobile_device=False, # TODO: fix scaling for mobile
) # type: ScaleProvider
except Exception:
# This can happen in Appium for example.
logger.info("Failed to set ContextBasedScaleProvider.")
logger.info("Using FixedScaleProvider instead...")
self._scale_provider = FixedScaleProvider(1 / device_pixel_ratio)
logger.debug("Scaling provider has been set")
return self._scale_provider