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/*
* qtmaildir - a Qt6 mail client for notmuch-indexed Maildirs
* Copyright (C) 2026 Danilo M. <danix@danix.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <QList>
#include <QUrl>
#include <QWidget>
#include "htmlbuilder.h"
#include "mimeparser.h"
class QLabel;
class QPushButton;
class QWebEngineView;
class QWebEngineProfile;
class CidSchemeHandler;
class RequestInterceptor;
/// The message pane: thread header, body, attachment bar.
///
/// A whole thread renders into one web view. A newsletter thread can hold
/// dozens of messages, and one view per message would spawn one Chromium
/// render process per message.
class MessageView : public QWidget
{
Q_OBJECT
public:
explicit MessageView(QWidget *parent = nullptr);
~MessageView() override;
/// The base URL every document in this pane is loaded with, and the only
/// qtmaildir: URL the interceptor trusts. Defined once so setHtml() and
/// setDocumentUrl() cannot drift apart: if they ever disagree, the
/// interceptor fails closed and the pane renders nothing at all.
static QUrl documentUrl() { return QUrl(QStringLiteral("qtmaildir://message")); }
/// Renders a whole thread, oldest first. Items whose expanded flag is
/// false collapse to a one-line stub.
void showThread(const QList<ThreadRenderItem> &items);
void showError(const QString &text, const QString &filePath);
void clear();
public slots:
void toggleHtml();
void loadRemoteContent();
signals:
void statusMessage(const QString &text);
private:
void render();
void updateHeader();
void setDocument(const QString &html);
QList<ThreadRenderItem> m_items;
bool m_preferHtml = true;
QWebEngineProfile *m_profile = nullptr;
QWebEngineView *m_view = nullptr;
RequestInterceptor *m_interceptor = nullptr;
CidSchemeHandler *m_cidHandler = nullptr;
QLabel *m_headerLabel = nullptr;
QLabel *m_blockedLabel = nullptr;
QPushButton *m_loadRemoteButton = nullptr;
QWidget *m_attachmentBar = nullptr;
};
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