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/*
SPDX-FileCopyrightText: 2013-2025 Laurent Montel <montel@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "fancyheaderstyle.h"
#include <KTextToHTML>
#include <MessageViewer/HeaderStrategy>
#include <MessageViewer/MessageViewerSettings>
#include <MimeTreeParser/NodeHelper>
#include <MessageCore/StringUtil>
#include <KLocalizedString>
#include <QApplication>
using namespace MessageCore;
using namespace MessageViewer;
//
// FancyHeaderStyle:
// Like PlainHeaderStyle, but with slick frames and background colours.
//
FancyHeaderStyle::FancyHeaderStyle()
: HeaderStyle()
{
}
FancyHeaderStyle::~FancyHeaderStyle() = default;
const char *FancyHeaderStyle::name() const
{
return "fancy";
}
QString FancyHeaderStyle::format(KMime::Message *message) const
{
if (!message) {
return {};
}
const HeaderStrategy *strategy = headerStrategy();
// ### from kmreaderwin begin
// The direction of the header is determined according to the direction
// of the application layout.
const QString dir = QApplication::isRightToLeft() ? QStringLiteral("rtl") : QStringLiteral("ltr");
QString headerStr = QStringLiteral("<div class=\"fancy header\" dir=\"%1\">\n").arg(dir);
// However, the direction of the message subject within the header is
// determined according to the contents of the subject itself. Since
// the "Re:" and "Fwd:" prefixes would always cause the subject to be
// considered left-to-right, they are ignored when determining its
// direction.
const QString subjectDir = mHeaderStyleUtil.subjectDirectionString(message);
// Spam header display.
// If the spamSpamStatus config value is true then we look for headers
// from a few spam filters and try to create visually meaningful graphics
// out of the spam scores.
const QString spamHTML = mHeaderStyleUtil.spamStatus(message);
QString userHTML;
MessageViewer::HeaderStyleUtil::xfaceSettings xface = mHeaderStyleUtil.xface(this, message);
if (!xface.photoURL.isEmpty()) {
// qCDebug(MESSAGEVIEWER_LOG) << "Got a photo:" << xface.photoURL;
userHTML = QStringLiteral("<img src=\"%1\" width=\"%2\" height=\"%3\"/>").arg(xface.photoURL).arg(xface.photoWidth).arg(xface.photoHeight);
userHTML = QLatin1StringView("<div class=\"senderpic\">") + userHTML + QLatin1StringView("</div>");
}
// the subject line and box below for details
if (strategy->showHeader(QStringLiteral("subject"))) {
const KTextToHTML::Options flags = KTextToHTML::PreserveSpaces | KTextToHTML::ReplaceSmileys;
headerStr += QStringLiteral("<div dir=\"%1\">%2</div>\n").arg(subjectDir, mHeaderStyleUtil.subjectString(message, flags));
}
headerStr += QLatin1StringView("<table class=\"outer\"><tr><td width=\"100%\"><table>\n");
// headerStr += "<table>\n";
// from line
// the mailto: URLs can contain %3 etc., therefore usage of multiple
// QString::arg is not possible
if (strategy->showHeader(QStringLiteral("from"))) {
const auto resentFrom = mHeaderStyleUtil.resentFromList(message);
headerStr += QStringLiteral(
"<tr><th>%1</th>\n"
"<td>")
.arg(i18n("From: "))
+ StringUtil::emailAddrAsAnchor(message->from(), StringUtil::DisplayFullAddress)
+ (message->headerByType("Resent-From")
? QStringLiteral(" ") + i18n("(resent from %1)", StringUtil::emailAddrAsAnchor(resentFrom.data(), StringUtil::DisplayFullAddress))
: QString())
+ (!vCardName().isEmpty()
? QStringLiteral(" <a href=\"") + vCardName() + QStringLiteral("\">") + i18n("[vCard]") + QStringLiteral("</a>")
: QString())
+ (!message->organization(false)
? QString()
: QStringLiteral(" (") + mHeaderStyleUtil.strToHtml(message->organization()->asUnicodeString()) + QLatin1Char(')'))
+ QStringLiteral("</td></tr>\n");
}
// to line
if (strategy->showHeader(QStringLiteral("to"))) {
const auto resentTo = mHeaderStyleUtil.resentToList(message);
QString to;
if (resentTo.data()) {
to = StringUtil::emailAddrAsAnchor(resentTo.data(), StringUtil::DisplayFullAddress) + QLatin1Char(' ')
+ i18n("(receiver was %1)",
StringUtil::emailAddrAsAnchor(message->to(),
StringUtil::DisplayFullAddress,
QString(),
StringUtil::ShowLink,
StringUtil::ExpandableAddresses,
QStringLiteral("FullToAddressList")));
} else {
to = StringUtil::emailAddrAsAnchor(message->to(),
StringUtil::DisplayFullAddress,
QString(),
StringUtil::ShowLink,
StringUtil::ExpandableAddresses,
QStringLiteral("FullToAddressList"));
}
headerStr.append(QStringLiteral("<tr><th>%1</th>\n"
"<td>%2</td></tr>\n")
.arg(i18nc("To-field of the mail header.", "To: "), to));
}
// cc line, if an
if (strategy->showHeader(QStringLiteral("cc")) && message->cc(false)) {
const QString str = StringUtil::emailAddrAsAnchor(message->cc(),
StringUtil::DisplayFullAddress,
QString(),
StringUtil::ShowLink,
StringUtil::ExpandableAddresses,
QStringLiteral("FullCcAddressList"));
if (!str.isEmpty()) {
headerStr.append(QStringLiteral("<tr><th>%1</th>\n"
"<td>%2</td></tr>\n")
.arg(i18n("CC: "), str));
}
}
// Bcc line, if any
if (strategy->showHeader(QStringLiteral("bcc")) && message->bcc(false)) {
const QString str = StringUtil::emailAddrAsAnchor(message->bcc(), StringUtil::DisplayFullAddress);
if (!str.isEmpty()) {
headerStr.append(QStringLiteral("<tr><th>%1</th>\n"
"<td>%2</td></tr>\n")
.arg(i18n("BCC: "), str));
}
}
if (strategy->showHeader(QStringLiteral("date"))) {
headerStr.append(QStringLiteral("<tr><th>%1</th>\n"
"<td dir=\"%2\">%3</td></tr>\n")
.arg(i18n("Date: "),
mHeaderStyleUtil.directionOf(HeaderStyleUtil::dateStr(message->date()->dateTime())),
mHeaderStyleUtil.strToHtml(HeaderStyleUtil::dateString(message, /* short = */ MessageViewer::HeaderStyleUtil::CustomDate))));
}
if (strategy->showHeader(QStringLiteral("x-bugzilla-url"))) {
if (message->hasHeader("X-Bugzilla-URL")) {
QString product;
if (auto hrd = message->headerByType("X-Bugzilla-Product")) {
product = hrd->asUnicodeString();
}
QString component;
if (auto hrd = message->headerByType("X-Bugzilla-Component")) {
component = hrd->asUnicodeString();
}
QString status;
if (auto hrd = message->headerByType("X-Bugzilla-Status")) {
status = hrd->asUnicodeString();
}
headerStr.append(
QStringLiteral("<tr><th>%1</th>\n"
"<td>%2/%3, <strong>%4</strong></td></tr>\n")
.arg(i18n("Bugzilla: "), mHeaderStyleUtil.strToHtml(product), mHeaderStyleUtil.strToHtml(component), mHeaderStyleUtil.strToHtml(status)));
}
}
if (strategy->showHeader(QStringLiteral("disposition-notification-to"))) {
if (auto hrd = message->headerByType("Disposition-Notification-To")) {
const QString to = hrd->asUnicodeString();
headerStr.append(QStringLiteral("<tr><th>%1</th>\n"
"<td>%2</tr>\n")
.arg(i18n("MDN To: "), mHeaderStyleUtil.strToHtml(to)));
}
}
if (!spamHTML.isEmpty()) {
headerStr.append(
QStringLiteral(
"<tr><td colspan=\"2\"><div class=\"spamheader\" dir=\"%1\"><b>%2</b> <span style=\"padding-left: 20px;\">%3</span></div></td></tr>\n")
.arg(subjectDir, i18n("Spam Status:"), spamHTML));
}
headerStr.append(QStringLiteral("<tr><td colspan=\"2\"><div>%1</div></td></tr>").arg(attachmentHtml()));
headerStr.append(QStringLiteral("</table></td><td align=\"center\">%1</td></tr></table>\n").arg(userHTML));
headerStr += QLatin1StringView("</div>\n\n");
return headerStr;
}
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