From 921d5794a7602e0320187d96e1d939d405398034 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Tue, 6 Sep 2016 17:17:12 +0200
Subject: [PATCH] Add missing file

---
 qutebrowser/browser/webengine/tabhistory.py | 117 ++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 qutebrowser/browser/webengine/tabhistory.py

diff --git a/qutebrowser/browser/webengine/tabhistory.py b/qutebrowser/browser/webengine/tabhistory.py
new file mode 100644
index 000000000..ec43aa07b
--- /dev/null
+++ b/qutebrowser/browser/webengine/tabhistory.py
@@ -0,0 +1,117 @@
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2015-2016 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