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# Copyright (C) 2007, One Laptop Per Child
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import logging
from gi.repository import WebKit
def get_session(browser):
session_history = browser.get_back_forward_list()
if session_history.get_back_length() == 0:
return ''
return _get_history(session_history)
def set_session(browser, data):
session_history = browser.get_back_forward_list()
_set_history(session_history, data)
def _get_history(history):
items_list = _items_history_as_list(history)
logging.debug('history count: %r', len(items_list))
entries_dest = []
for item in items_list:
entry_dest = {'url': item.get_uri(),
'title': item.get_title()}
entries_dest.append(entry_dest)
return entries_dest
def _set_history(history, history_data):
history.clear()
for entry in history_data:
uri, title = entry['url'], entry['title']
history_item = WebKit.WebHistoryItem.new_with_data(uri, title)
history.add_item(history_item)
def get_history_index(browser):
"""Return the index of the current item in the history."""
history = browser.get_back_forward_list()
history_list = _items_history_as_list(history)
current_item = history.get_current_item()
return history_list.index(current_item)
def set_history_index(browser, index):
"""Go to the item in the history specified by the index."""
history = browser.get_back_forward_list()
history_list = _items_history_as_list(history)
last_index = len(history_list) - 1
for i in range(last_index - index):
browser.go_back()
if index == last_index:
browser.go_back()
browser.go_forward()
def _items_history_as_list(history):
"""Return a list with the items of a WebKit.WebBackForwardList."""
back_items = []
for n in reversed(range(1, history.get_back_length() + 1)):
item = history.get_nth_item(n * -1)
back_items.append(item)
current_item = [history.get_current_item()]
forward_items = []
for n in range(1, history.get_forward_length() + 1):
item = history.get_nth_item(n)
forward_items.append(item)
all_items = back_items + current_item + forward_items
return all_items
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