108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2015-2017 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Utilities related to QWebHistory."""
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from PyQt5.QtCore import QByteArray, QDataStream, QIODevice, QUrl
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from qutebrowser.utils import qtutils
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def _serialize_items(items, current_idx, stream):
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# {'currentItemIndex': 0,
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# 'history': [{'children': [],
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# 'documentSequenceNumber': 1485030525573123,
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# 'documentState': [],
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# 'formContentType': '',
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# 'itemSequenceNumber': 1485030525573122,
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# 'originalURLString': 'about:blank',
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# 'pageScaleFactor': 0.0,
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# 'referrer': '',
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# 'scrollPosition': {'x': 0, 'y': 0},
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# 'target': '',
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# 'title': '',
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# 'urlString': 'about:blank'}]}
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data = {'currentItemIndex': current_idx, 'history': []}
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for item in items:
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data['history'].append(_serialize_item(item))
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stream.writeInt(3) # history stream version
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stream.writeQVariantMap(data)
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def _serialize_item(item):
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data = {
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'originalURLString': item.original_url.toString(QUrl.FullyEncoded),
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'scrollPosition': {'x': 0, 'y': 0},
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'title': item.title,
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'urlString': item.url.toString(QUrl.FullyEncoded),
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}
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try:
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data['scrollPosition']['x'] = item.user_data['scroll-pos'].x()
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data['scrollPosition']['y'] = item.user_data['scroll-pos'].y()
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except (KeyError, TypeError):
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pass
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return data
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def serialize(items):
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"""Serialize a list of QWebHistoryItems to a data stream.
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Args:
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items: An iterable of WebHistoryItems.
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Return:
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A (stream, data, user_data) tuple.
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stream: The reset QDataStream.
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data: The QByteArray with the raw data.
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user_data: A list with each item's user data.
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Warning:
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If 'data' goes out of scope, reading from 'stream' will result in a
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segfault!
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"""
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data = QByteArray()
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stream = QDataStream(data, QIODevice.ReadWrite)
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user_data = []
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current_idx = None
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for i, item in enumerate(items):
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if item.active:
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if current_idx is not None:
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raise ValueError("Multiple active items ({} and {}) "
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"found!".format(current_idx, i))
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else:
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current_idx = i
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if items:
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if current_idx is None:
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raise ValueError("No active item found!")
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else:
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current_idx = 0
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_serialize_items(items, current_idx, stream)
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user_data += [item.user_data for item in items]
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stream.device().reset()
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qtutils.check_qdatastream(stream)
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return stream, data, user_data
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