rssguard/src/gui/messagepreviewer.cpp
2016-04-06 09:16:49 +02:00

223 lines
8.9 KiB
C++

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2016 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "gui/messagepreviewer.h"
#include "miscellaneous/application.h"
#include "network-web/webfactory.h"
#include "miscellaneous/databasequeries.h"
#include "gui/messagebox.h"
#include "gui/dialogs/formmain.h"
#include "services/abstract/serviceroot.h"
#include <QScrollBar>
#include <QToolBar>
#include <QToolTip>
MessagePreviewer::MessagePreviewer(QWidget *parent) : QWidget(parent),
m_ui(new Ui::MessagePreviewer) {
m_ui->setupUi(this);
m_ui->m_txtMessage->viewport()->setAutoFillBackground(true);
connect(m_ui->m_txtMessage, &QTextBrowser::anchorClicked, [=](const QUrl &url) {
// User clicked some URL. Open it in external browser or download?
MessageBox box(qApp->mainForm());
box.setText(tr("You clicked some link. You can download the link contents or open it in external web browser."));
box.setInformativeText(tr("What action do you want to take?"));
box.setDetailedText(url.toString());
QAbstractButton *btn_open = box.addButton(tr("Open in external browser"), QMessageBox::AcceptRole);
QAbstractButton *btn_download = box.addButton(tr("Download"), QMessageBox::RejectRole);
QAbstractButton *btn_cancel = box.addButton(QMessageBox::Cancel);
box.setDefaultButton(QMessageBox::Cancel);
box.exec();
if (box.clickedButton() == btn_open) {
WebFactory::instance()->openUrlInExternalBrowser(url.toString());
}
else if (box.clickedButton() == btn_download) {
qApp->downloadManager()->download(url);
}
btn_download->deleteLater();
btn_open->deleteLater();
btn_cancel->deleteLater();
});
m_toolBar = new QToolBar(this);
m_toolBar->setOrientation(Qt::Vertical);
m_ui->m_layout->addWidget(m_toolBar, 0, 0, -1, 1);
connect(m_actionMarkRead = m_toolBar->addAction(qApp->icons()->fromTheme("mail-mark-read"), tr("Mark message as read")),
&QAction::triggered,
this,
&MessagePreviewer::markMessageAsRead);
connect(m_actionMarkUnread = m_toolBar->addAction(qApp->icons()->fromTheme("mail-mark-unread"), tr("Mark message as unread")),
&QAction::triggered,
this,
&MessagePreviewer::markMessageAsUnread);
connect(m_actionSwitchImportance = m_toolBar->addAction(qApp->icons()->fromTheme("mail-mark-favorite"), tr("Switch message importance")),
&QAction::triggered,
this,
&MessagePreviewer::switchMessageImportance);
connect(m_ui->m_txtMessage,
static_cast<void (QTextBrowser::*)(const QString&)>(&QTextBrowser::highlighted),
[=](const QString &text) {
Q_UNUSED(text)
QToolTip::showText(QCursor::pos(), tr("Click this link to download it or open it with external browser."), this);
});
m_actionSwitchImportance->setCheckable(true);
reloadFontSettings();
clear();
}
MessagePreviewer::~MessagePreviewer() {
}
void MessagePreviewer::reloadFontSettings() {
const Settings *settings = qApp->settings();
QFont fon;
fon.fromString(settings->value(GROUP(Messages),
SETTING(Messages::PreviewerFontStandard)).toString());
m_ui->m_txtMessage->setFont(fon);
fon.setPointSize(fon.pointSize() + 5);
m_ui->m_lblTitle->setFont(fon);
}
void MessagePreviewer::clear() {
m_ui->m_lblTitle->clear();
m_ui->m_txtMessage->clear();
hide();
}
void MessagePreviewer::loadMessage(const Message &message, RootItem *root) {
m_message = message;
m_root = root;
if (!m_root.isNull()) {
updateButtons();
m_actionSwitchImportance->setChecked(m_message.m_isImportant);
m_ui->m_lblTitle->setText(m_message.m_title);
m_ui->m_txtMessage->setHtml(prepareHtmlForMessage(m_message));
updateTitle();
show();
m_ui->m_txtMessage->verticalScrollBar()->triggerAction(QScrollBar::SliderToMinimum);
}
}
void MessagePreviewer::markMessageAsRead() {
if (!m_root.isNull()) {
if (m_root->getParentServiceRoot()->onBeforeSetMessagesRead(m_root.data(),
QList<Message>() << m_message,
RootItem::Read)) {
DatabaseQueries::markMessagesReadUnread(qApp->database()->connection(objectName(), DatabaseFactory::FromSettings),
QStringList() << QString::number(m_message.m_id),
RootItem::Read);
m_root->getParentServiceRoot()->onAfterSetMessagesRead(m_root.data(),
QList<Message>() << m_message,
RootItem::Read);
emit requestMessageListReload(false);
m_message.m_isRead = true;
updateButtons();
updateTitle();
}
}
}
void MessagePreviewer::markMessageAsUnread() {
if (!m_root.isNull()) {
if (m_root->getParentServiceRoot()->onBeforeSetMessagesRead(m_root.data(),
QList<Message>() << m_message,
RootItem::Unread)) {
DatabaseQueries::markMessagesReadUnread(qApp->database()->connection(objectName(), DatabaseFactory::FromSettings),
QStringList() << QString::number(m_message.m_id),
RootItem::Unread);
m_root->getParentServiceRoot()->onAfterSetMessagesRead(m_root.data(),
QList<Message>() << m_message,
RootItem::Unread);
emit requestMessageListReload(false);
m_message.m_isRead = false;
updateButtons();
updateTitle();
}
}
}
void MessagePreviewer::switchMessageImportance(bool checked) {
if (!m_root.isNull()) {
if (m_root->getParentServiceRoot()->onBeforeSwitchMessageImportance(m_root.data(),
QList<ImportanceChange>() << ImportanceChange(m_message,
m_message.m_isImportant ?
RootItem::NotImportant :
RootItem::Important))) {
DatabaseQueries::switchMessagesImportance(qApp->database()->connection(objectName(), DatabaseFactory::FromSettings),
QStringList() << QString::number(m_message.m_id));
m_root->getParentServiceRoot()->onBeforeSwitchMessageImportance(m_root.data(),
QList<ImportanceChange>() << ImportanceChange(m_message,
m_message.m_isImportant ?
RootItem::NotImportant :
RootItem::Important));
emit requestMessageListReload(false);
m_message.m_isImportant = checked;
}
}
}
void MessagePreviewer::updateButtons() {
m_actionMarkRead->setEnabled(!m_message.m_isRead);
m_actionMarkUnread->setEnabled(m_message.m_isRead);
}
void MessagePreviewer::updateTitle() {
QFont fon = m_ui->m_lblTitle->font();
fon.setBold(!m_message.m_isRead);
m_ui->m_lblTitle->setFont(fon);
}
QString MessagePreviewer::prepareHtmlForMessage(const Message &message) {
QString html = QString("<p>[url] <a href=\"%1\">%1</a></p>").arg(message.m_url);
foreach (const Enclosure &enc, message.m_enclosures) {
html += QString("<p>[%2] <a href=\"%1\">%1</a></p>").arg(enc.m_url, enc.m_mimeType);
}
if (!message.m_enclosures.isEmpty()) {
html += "<hr/>";
}
html += message.m_contents;
return html;
}