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/*
Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
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 "messageparser.h"
#include "stringhtmlwriter.h"
#include "objecttreesource.h"
#include "csshelper.h"
#include <QFile>
#include <QImage>
#include <QDebug>
#include <QTime>
#include <QUrl>
#include <MimeTreeParser/ObjectTreeParser>
#include <MimeTreeParser/MessagePart>
PartModel::PartModel(QSharedPointer<MimeTreeParser::MessagePart> partTree, QMap<QByteArray, QUrl> embeddedPartMap) : mPartTree(partTree), mEmbeddedPartMap(embeddedPartMap)
{
}
QHash<int, QByteArray> PartModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[Text] = "text";
roles[IsHtml] = "isHtml";
roles[IsHidden] = "isHidden";
roles[IsEncrypted] = "isEncrypted";
roles[IsAttachment] = "isAttachment";
roles[HasContent] = "hasContent";
roles[Type] = "type";
roles[IsHidden] = "isHidden";
return roles;
}
QModelIndex PartModel::index(int row, int column, const QModelIndex &parent) const
{
// qDebug() << "index " << parent << row << column << mPartTree->subParts().size();
if (!parent.isValid()) {
if (row < mPartTree->subParts().size()) {
auto part = mPartTree->subParts().at(row);
return createIndex(row, column, part.data());
}
} else {
auto part = static_cast<MimeTreeParser::MessagePart*>(parent.internalPointer());
auto subPart = part->subParts().at(row);
return createIndex(row, column, subPart.data());
}
return QModelIndex();
}
QVariant PartModel::data(const QModelIndex &index, int role) const
{
// qDebug() << "Getting data for index";
if (index.isValid()) {
auto part = static_cast<MimeTreeParser::MessagePart*>(index.internalPointer());
switch (role) {
case Text: {
// qDebug() << "Getting text: " << part->property("text").toString();
// FIXME: we should have a list per part, and not one for all parts.
auto text = part->property("htmlContent").toString();
for (const auto &cid : mEmbeddedPartMap.keys()) {
text.replace(QString("src=\"cid:%1\"").arg(QString(cid)), QString("src=\"%1\"").arg(mEmbeddedPartMap.value(cid).toString()));
}
return text;
}
case IsAttachment:
return part->property("attachment").toBool();
case IsEncrypted:
return part->property("isEncrypted").toBool();
case IsHtml:
return part->property("isHtml").toBool();
case HasContent:
return !part->property("htmlContent").toString().isEmpty();
case Type:
return part->metaObject()->className();
case IsHidden:
return part->property("isHidden").toBool();
}
}
return QVariant();
}
QModelIndex PartModel::parent(const QModelIndex &index) const
{
// qDebug() << "parent " << index;
if (index.isValid()) {
auto part = static_cast<MimeTreeParser::MessagePart*>(index.internalPointer());
auto parentPart = static_cast<MimeTreeParser::MessagePart*>(part->parentPart());
auto row = 0;//get the parents parent to find the index
if (!parentPart) {
parentPart = mPartTree.data();
}
int i = 0;
for (const auto &p : parentPart->subParts()) {
if (p.data() == part) {
row = i;
break;
}
i++;
}
return createIndex(row, index.column(), parentPart);
}
return QModelIndex();
}
int PartModel::rowCount(const QModelIndex &parent) const
{
// qDebug() << "Row count " << parent;
if (!parent.isValid()) {
// qDebug() << "Row count " << mPartTree->subParts().size();
return mPartTree->subParts().size();
} else {
auto part = static_cast<MimeTreeParser::MessagePart*>(parent.internalPointer());
if (part) {
return part->subParts().size();
}
}
return 0;
}
int PartModel::columnCount(const QModelIndex &parent) const
{
// qDebug() << "Column count " << parent;
return 1;
}
MessageParser::MessageParser(QObject *parent)
: QObject(parent)
{
}
QString MessageParser::html() const
{
return mHtml;
}
QVariant MessageParser::message() const
{
return QVariant();
}
void MessageParser::setMessage(const QVariant &message)
{
QTime time;
time.start();
const auto mailData = KMime::CRLFtoLF(message.toByteArray());
KMime::Message::Ptr msg(new KMime::Message);
msg->setContent(mailData);
msg->parse();
qWarning() << "parsed: " << time.elapsed();
// render the mail
StringHtmlWriter htmlWriter;
QImage paintDevice;
CSSHelper cssHelper(&paintDevice);
//temporary files only have the lifetime of the nodehelper, so we keep it around until the mail changes.
mNodeHelper = std::make_shared<MimeTreeParser::NodeHelper>();
ObjectTreeSource source(&htmlWriter, &cssHelper);
MimeTreeParser::ObjectTreeParser otp(&source, mNodeHelper.get());
otp.parseObjectTree(msg.data());
mPartTree = otp.parsedPart().dynamicCast<MimeTreeParser::MessagePart>();
mEmbeddedPartMap = htmlWriter.embeddedParts();
mHtml = htmlWriter.html();
emit htmlChanged();
}
QAbstractItemModel *MessageParser::partTree() const
{
qDebug() << "Getting partTree";
qDebug() << "Row count " << mPartTree->subParts().size();
return new PartModel(mPartTree, mEmbeddedPartMap);
}
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