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# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from .command import Command
from selenium.webdriver.common.alert import Alert
from selenium.webdriver.common.by import By
from selenium.common.exceptions import NoSuchElementException, NoSuchFrameException, NoSuchWindowException
try:
basestring
except NameError:
basestring = str
class SwitchTo:
def __init__(self, driver):
self._driver = driver
@property
def active_element(self):
"""
Returns the element with focus, or BODY if nothing has focus.
:Usage:
::
element = driver.switch_to.active_element
"""
if self._driver.w3c:
return self._driver.execute(Command.W3C_GET_ACTIVE_ELEMENT)['value']
else:
return self._driver.execute(Command.GET_ACTIVE_ELEMENT)['value']
@property
def alert(self):
"""
Switches focus to an alert on the page.
:Usage:
::
alert = driver.switch_to.alert
"""
alert = Alert(self._driver)
alert.text
return alert
def default_content(self):
"""
Switch focus to the default frame.
:Usage:
::
driver.switch_to.default_content()
"""
self._driver.execute(Command.SWITCH_TO_FRAME, {'id': None})
def frame(self, frame_reference):
"""
Switches focus to the specified frame, by index, name, or webelement.
:Args:
- frame_reference: The name of the window to switch to, an integer representing the index,
or a webelement that is an (i)frame to switch to.
:Usage:
::
driver.switch_to.frame('frame_name')
driver.switch_to.frame(1)
driver.switch_to.frame(driver.find_elements_by_tag_name("iframe")[0])
"""
if isinstance(frame_reference, basestring) and self._driver.w3c:
try:
frame_reference = self._driver.find_element(By.ID, frame_reference)
except NoSuchElementException:
try:
frame_reference = self._driver.find_element(By.NAME, frame_reference)
except NoSuchElementException:
raise NoSuchFrameException(frame_reference)
self._driver.execute(Command.SWITCH_TO_FRAME, {'id': frame_reference})
def new_window(self, type_hint=None):
"""Switches to a new top-level browsing context.
The type hint can be one of "tab" or "window". If not specified the
browser will automatically select it.
:Usage:
::
driver.switch_to.new_window('tab')
"""
value = self._driver.execute(Command.NEW_WINDOW, {'type': type_hint})['value']
self._w3c_window(value['handle'])
def parent_frame(self):
"""
Switches focus to the parent context. If the current context is the top
level browsing context, the context remains unchanged.
:Usage:
::
driver.switch_to.parent_frame()
"""
self._driver.execute(Command.SWITCH_TO_PARENT_FRAME)
def window(self, window_name):
"""
Switches focus to the specified window.
:Args:
- window_name: The name or window handle of the window to switch to.
:Usage:
::
driver.switch_to.window('main')
"""
if self._driver.w3c:
self._w3c_window(window_name)
return
data = {'name': window_name}
self._driver.execute(Command.SWITCH_TO_WINDOW, data)
def _w3c_window(self, window_name):
def send_handle(h):
self._driver.execute(Command.SWITCH_TO_WINDOW, {'handle': h})
try:
# Try using it as a handle first.
send_handle(window_name)
except NoSuchWindowException as e:
# Check every window to try to find the given window name.
original_handle = self._driver.current_window_handle
handles = self._driver.window_handles
for handle in handles:
send_handle(handle)
current_name = self._driver.execute_script('return window.name')
if window_name == current_name:
return
send_handle(original_handle)
raise e
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