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# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2015-2018 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/>.
"""QWebHistory serializer for QtWebEngine."""
import time
from PyQt5.QtCore import QByteArray, QDataStream, QIODevice, QUrl
from qutebrowser.utils import qtutils
HISTORY_STREAM_VERSION = 3
def _serialize_item(item, stream):
"""Serialize a single WebHistoryItem into a QDataStream.
Args:
item: The WebHistoryItem to write.
stream: The QDataStream to write to.
"""
### Thanks to Otter Browser:
### https://github.com/OtterBrowser/otter-browser/blob/v0.9.10/src/modules/backends/web/qtwebengine/QtWebEngineWebWidget.cpp#L1210
### src/core/web_contents_adapter.cpp serializeNavigationHistory
## toQt(entry->GetVirtualURL());
qtutils.serialize_stream(stream, item.url)
## toQt(entry->GetTitle());
stream.writeQString(item.title)
## QByteArray(encodedPageState.data(), encodedPageState.size());
qtutils.serialize_stream(stream, QByteArray())
## static_cast<qint32>(entry->GetTransitionType());
# chromium/ui/base/page_transition_types.h
stream.writeInt32(0) # PAGE_TRANSITION_LINK
## entry->GetHasPostData();
stream.writeBool(False)
## toQt(entry->GetReferrer().url);
qtutils.serialize_stream(stream, QUrl())
## static_cast<qint32>(entry->GetReferrer().policy);
# chromium/third_party/WebKit/public/platform/WebReferrerPolicy.h
stream.writeInt32(0) # WebReferrerPolicyAlways
## toQt(entry->GetOriginalRequestURL());
qtutils.serialize_stream(stream, item.original_url)
## entry->GetIsOverridingUserAgent();
stream.writeBool(False)
## static_cast<qint64>(entry->GetTimestamp().ToInternalValue());
stream.writeInt64(int(time.time()))
## entry->GetHttpStatusCode();
stream.writeInt(200)
def serialize(items):
"""Serialize a list of QWebHistoryItems 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.
cur_user_data: The user data for the current item or None.
Warning:
If 'data' goes out of scope, reading from 'stream' will result in a
segfault!
"""
data = QByteArray()
stream = QDataStream(data, QIODevice.ReadWrite)
cur_user_data = None
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
cur_user_data = item.user_data
if items:
if current_idx is None:
raise ValueError("No active item found!")
else:
current_idx = -1
### src/core/web_contents_adapter.cpp serializeNavigationHistory
# kHistoryStreamVersion
stream.writeInt(HISTORY_STREAM_VERSION)
# count
stream.writeInt(len(items))
# currentIndex
stream.writeInt(current_idx)
for item in items:
_serialize_item(item, stream)
stream.device().reset()
qtutils.check_qdatastream(stream)
return stream, data, cur_user_data