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
|
/* This file is part of KDevelop
Copyright 2009 Aleix Pol <aleixpol@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "qthelpnetwork.h"
HelpNetworkAccessManager::HelpNetworkAccessManager(QHelpEngineCore* engine, QObject* parent)
: QNetworkAccessManager(parent), m_helpEngine(engine)
{}
HelpNetworkAccessManager::~HelpNetworkAccessManager()
{
}
HelpNetworkReply::HelpNetworkReply(const QNetworkRequest &request, const QByteArray &fileData, const QString &mimeType)
: data(fileData), origLen(fileData.length())
{
setRequest(request);
setOpenMode(QIODevice::ReadOnly);
// Instantly finish processing if data is empty. Without this code the loadFinished()
// signal will never be emitted by the corresponding QWebView.
if (!origLen) {
qCDebug(QTHELP) << "Empty data for" << request.url().toDisplayString();
QTimer::singleShot(0, this, &QNetworkReply::finished);
}
#ifdef USE_QTWEBKIT
// Fix broken CSS images (tested on Qt 5.5.1, 5.7.0, 5.9.7 and 5.14.1)
if (request.url().fileName() == QLatin1String("offline.css")) {
data.replace("../images", "images");
}
#endif
// Fix flickering when loading, the page has the offline-simple.css stylesheet which is replaced
// later by offline.css by javascript which causes flickering so we force the full stylesheet
// from the beginning
if (request.url().fileName().endsWith(QLatin1String(".html"))) {
data.replace("offline-simple.css", "offline.css");
}
setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
setHeader(QNetworkRequest::ContentLengthHeader, QByteArray::number(origLen));
QTimer::singleShot(0, this, &QNetworkReply::metaDataChanged);
QTimer::singleShot(0, this, &QIODevice::readyRead);
}
qint64 HelpNetworkReply::readData(char *buffer, qint64 maxlen)
{
qint64 len = qMin(qint64(data.length()), maxlen);
if (len) {
memcpy(buffer, data.constData(), len);
data.remove(0, len);
}
if (!data.length())
QTimer::singleShot(0, this, &QNetworkReply::finished);
return len;
}
QNetworkReply *HelpNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
{
QString scheme = request.url().scheme();
if (scheme == QLatin1String("qthelp") || scheme == QLatin1String("about")) {
QString mimeType = QMimeDatabase().mimeTypeForUrl(request.url()).name();
if (mimeType == QLatin1String("application/x-extension-html")) {
// see also: https://bugs.kde.org/show_bug.cgi?id=288277
// firefox seems to add this bullshit mimetype above
// which breaks displaying of qthelp documentation :(
mimeType = QStringLiteral("text/html");
}
return new HelpNetworkReply(request, m_helpEngine->fileData(request.url()), mimeType);
}
return QNetworkAccessManager::createRequest(op, request, outgoingData);
}
|
