File indexing completed on 2024-05-05 04:40:50

 /*
     SPDX-FileCopyrightText: 2009 Aleix Pol <aleixpol@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #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);
 }
 
 #include "moc_qthelpnetwork.cpp"