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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
/* This file is part of KDevelop
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Copyright 2009 Aleix Pol <aleixpol@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef QTHELPNETWORK_H
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#define QTHELPNETWORK_H
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#include <QNetworkReply>
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#include <QTimer>
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#include <QHelpEngine>
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#include <kmimetype.h>
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class HelpNetworkReply : public QNetworkReply
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{
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public:
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HelpNetworkReply(const QNetworkRequest &request, const QByteArray &fileData, const QString &mimeType);
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virtual void abort() {}
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virtual qint64 bytesAvailable() const { return data.length() + QNetworkReply::bytesAvailable(); }
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protected:
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virtual qint64 readData(char *data, qint64 maxlen);
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private:
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QByteArray data;
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qint64 origLen;
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};
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HelpNetworkReply::HelpNetworkReply(const QNetworkRequest &request,
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const QByteArray &fileData, const QString &mimeType)
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: data(fileData), origLen(fileData.length())
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{
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setRequest(request);
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setOpenMode(QIODevice::ReadOnly);
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setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
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setHeader(QNetworkRequest::ContentLengthHeader, QByteArray::number(origLen));
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QTimer::singleShot(0, this, SIGNAL(metaDataChanged()));
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QTimer::singleShot(0, this, SIGNAL(readyRead()));
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}
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qint64 HelpNetworkReply::readData(char *buffer, qint64 maxlen)
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{
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qint64 len = qMin(qint64(data.length()), maxlen);
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if (len) {
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qMemCopy(buffer, data.constData(), len);
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data.remove(0, len);
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}
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if (!data.length())
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QTimer::singleShot(0, this, SIGNAL(finished()));
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return len;
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}
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class HelpNetworkAccessManager : public QNetworkAccessManager
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{
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public:
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HelpNetworkAccessManager(QHelpEngineCore *engine, QObject *parent)
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: QNetworkAccessManager(parent), m_helpEngine(engine) {}
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protected:
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virtual QNetworkReply *createRequest(Operation op,
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const QNetworkRequest &request, QIODevice *outgoingData = 0);
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private:
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QHelpEngineCore *m_helpEngine;
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};
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QNetworkReply *HelpNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData)
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{
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QString scheme = request.url().scheme();
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if (scheme == QLatin1String("qthelp") || scheme == QLatin1String("about")) {
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QString mimeType = KMimeType::findByUrl(request.url())->name();
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if (mimeType == "application/x-extension-html") {
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// see also: https://bugs.kde.org/show_bug.cgi?id=288277
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// firefox seems to add this bullshit mimetype above
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// which breaks displaying of qthelp documentation :(
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mimeType = "text/html";
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}
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return new HelpNetworkReply(request, m_helpEngine->fileData(request.url()), mimeType);
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}
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return QNetworkAccessManager::createRequest(op, request, outgoingData);
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}
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#endif
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