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# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""QtWebKit specific part of history."""
import functools
# pylint: disable=no-name-in-module
from qutebrowser.qt.webkit import QWebHistoryInterface
# pylint: enable=no-name-in-module
from qutebrowser.utils import debug
from qutebrowser.misc import debugcachestats
class WebHistoryInterface(QWebHistoryInterface):
"""Glue code between WebHistory and Qt's QWebHistoryInterface.
Attributes:
_history: The WebHistory object.
"""
def __init__(self, webhistory, parent=None):
super().__init__(parent)
self._history = webhistory
self._history.changed.connect(self.historyContains.cache_clear)
def addHistoryEntry(self, url_string):
"""Required for a QWebHistoryInterface impl, obsoleted by add_url."""
@debugcachestats.register(name='history')
@functools.lru_cache(maxsize=32768) # noqa: B019
def historyContains(self, url_string):
"""Called by WebKit to determine if a URL is contained in the history.
Args:
url_string: The URL (as string) to check for.
Return:
True if the url is in the history, False otherwise.
"""
with debug.log_time('sql', 'historyContains'):
return url_string in self._history
def init(history):
"""Initialize the QWebHistoryInterface.
Args:
history: The WebHistory object.
"""
interface = WebHistoryInterface(history, parent=history)
QWebHistoryInterface.setDefaultInterface(interface)
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