1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2015-2020 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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 3 of the License, or
# (at your option) any later version.
#
# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Utilities related to QWebHistory."""
import typing
from PyQt5.QtCore import QByteArray, QDataStream, QIODevice, QUrl
from qutebrowser.utils import qtutils
def _serialize_items(items, current_idx, stream):
# {'currentItemIndex': 0,
# 'history': [{'children': [],
# 'documentSequenceNumber': 1485030525573123,
# 'documentState': [],
# 'formContentType': '',
# 'itemSequenceNumber': 1485030525573122,
# 'originalURLString': 'about:blank',
# 'pageScaleFactor': 0.0,
# 'referrer': '',
# 'scrollPosition': {'x': 0, 'y': 0},
# 'target': '',
# 'title': '',
# 'urlString': 'about:blank'}]}
data = {'currentItemIndex': current_idx, 'history': []}
for item in items:
data['history'].append(_serialize_item(item))
stream.writeInt(3) # history stream version
stream.writeQVariantMap(data)
def _serialize_item(item):
data = {
'originalURLString': item.original_url.toString(QUrl.FullyEncoded),
'scrollPosition': {'x': 0, 'y': 0},
'title': item.title,
'urlString': item.url.toString(QUrl.FullyEncoded),
}
try:
data['scrollPosition']['x'] = item.user_data['scroll-pos'].x()
data['scrollPosition']['y'] = item.user_data['scroll-pos'].y()
except (KeyError, TypeError):
pass
return data
def serialize(items):
"""Serialize a list of WebHistoryItems to a data stream.
Args:
items: An iterable of WebHistoryItems.
Return:
A (stream, data, user_data) tuple.
stream: The reset QDataStream.
data: The QByteArray with the raw data.
user_data: A list with each item's user data.
Warning:
If 'data' goes out of scope, reading from 'stream' will result in a
segfault!
"""
data = QByteArray()
stream = QDataStream(data, QIODevice.ReadWrite)
user_data = [] # type: typing.List[typing.Mapping[str, typing.Any]]
current_idx = None
for i, item in enumerate(items):
if item.active:
if current_idx is not None:
raise ValueError("Multiple active items ({} and {}) "
"found!".format(current_idx, i))
current_idx = i
if items:
if current_idx is None:
raise ValueError("No active item found!")
else:
current_idx = 0
_serialize_items(items, current_idx, stream)
user_data += [item.user_data for item in items]
stream.device().reset()
qtutils.check_qdatastream(stream)
return stream, data, user_data
|
