squawk/ui/widgets/conversation.cpp

566 lines
18 KiB
C++

/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program 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.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "conversation.h"
#include "ui_conversation.h"
#include <QDebug>
#include <QClipboard>
#include <QScrollBar>
#include <QTimer>
#include <QFileDialog>
#include <QMimeDatabase>
#include <QAbstractTextDocumentLayout>
#include <QApplication>
#include <QTemporaryFile>
#include <QDir>
#include <QMenu>
#include <QBitmap>
#include <unistd.h>
#include <algorithm>
#include "shared/icons.h"
#include "shared/utils.h"
#include "shared/pathcheck.h"
#include "shared/defines.h"
constexpr QSize avatarSize(50, 50);
Conversation::Conversation(bool muc, Models::Account* acc, Models::Element* el, const QString pJid, const QString pRes, QWidget* parent):
QWidget(parent),
isMuc(muc),
account(acc),
element(el),
palJid(pJid),
activePalResource(pRes),
m_ui(new Ui::Conversation()),
ker(),
thread(),
statusIcon(0),
statusLabel(0),
filesLayout(0),
overlay(new QWidget()),
filesToAttach(),
feed(new FeedView()),
delegate(new MessageDelegate(this)),
manualSliderChange(false),
tsb(QApplication::style()->styleHint(QStyle::SH_ScrollBar_Transient) == 1),
pasteImageAction(new QAction(tr("Paste Image"), this)),
shadow(10, 1, Qt::black, this),
contextMenu(new QMenu()),
currentAction(CurrentAction::none),
currentMessageId()
{
createUI();
createFeed();
subscribeEvents();
initializeOverlay();
}
Conversation::~Conversation() {
delete contextMenu;
element->feed->decrementObservers();
delete m_ui;
}
void Conversation::createFeed() {
feed->setItemDelegate(delegate);
feed->setFrameShape(QFrame::NoFrame);
feed->setContextMenuPolicy(Qt::CustomContextMenu);
feed->setModel(element->feed);
element->feed->incrementObservers();
m_ui->widget->layout()->addWidget(feed);
connect(element->feed, &Models::MessageFeed::newMessage, this, &Conversation::onFeedMessage);
connect(feed, &FeedView::resized, this, &Conversation::positionShadow);
connect(feed, &FeedView::customContextMenuRequested, this, &Conversation::onFeedContext);
}
void Conversation::createUI() {
m_ui->setupUi(this);
statusIcon = m_ui->statusIcon;
statusLabel = m_ui->statusLabel;
filesLayout = new FlowLayout(m_ui->filesPanel, 0);
m_ui->filesPanel->setLayout(filesLayout);
m_ui->currentActionBadge->setVisible(false);
m_ui->encryptionButton->setVisible(false);
shadow.setFrames(true, false, true, false);
}
void Conversation::subscribeEvents() {
connect(account, &Models::Account::childChanged, this, &Conversation::onAccountChanged);
connect(&ker, &KeyEnterReceiver::enterPressed, this, qOverload<>(&Conversation::initiateMessageSending));
connect(&ker, &KeyEnterReceiver::imagePasted, this, &Conversation::onImagePasted);
connect(m_ui->sendButton, &QPushButton::clicked, this, qOverload<>(&Conversation::initiateMessageSending));
connect(m_ui->attachButton, &QPushButton::clicked, this, &Conversation::onAttach);
connect(m_ui->clearButton, &QPushButton::clicked, this, &Conversation::clear);
connect(m_ui->messageEditor->document()->documentLayout(), &QAbstractTextDocumentLayout::documentSizeChanged,
this, &Conversation::onTextEditDocSizeChanged);
connect(m_ui->encryptionButton, &QPushButton::clicked, this, &Conversation::onEncryptionButtonClicked);
m_ui->messageEditor->installEventFilter(&ker);
connect(m_ui->messageEditor, &QTextEdit::customContextMenuRequested, this, &Conversation::onMessageEditorContext);
connect(pasteImageAction, &QAction::triggered, this, &Conversation::onImagePasted);
connect(m_ui->currentActionBadge, &Badge::closeClicked, this, &Conversation::clear);
}
void Conversation::onAccountChanged(Models::Item* item, int row, int col) {
SHARED_UNUSED(row);
if (item == account) {
if (col == 2 && account->getState() == Shared::ConnectionState::connected) { //to request the history when we're back online after reconnect
//if (!requestingHistory) {
//requestingHistory = true;
//line->showBusyIndicator();
//emit requestArchive("");
//scroll = down;
//}
}
}
}
void Conversation::initializeOverlay() {
QGridLayout* gr = static_cast<QGridLayout*>(layout());
QLabel* progressLabel = new QLabel(tr("Drop files here to attach them to your message"));
gr->addWidget(overlay, 0, 0, 2, 1);
QVBoxLayout* nl = new QVBoxLayout();
QGraphicsOpacityEffect* opacity = new QGraphicsOpacityEffect();
opacity->setOpacity(0.8);
overlay->setLayout(nl);
overlay->setBackgroundRole(QPalette::Base);
overlay->setAutoFillBackground(true);
overlay->setGraphicsEffect(opacity);
progressLabel->setAlignment(Qt::AlignCenter);
QFont pf = progressLabel->font();
pf.setBold(true);
pf.setPointSize(26);
progressLabel->setWordWrap(true);
progressLabel->setFont(pf);
nl->addStretch();
nl->addWidget(progressLabel);
nl->addStretch();
overlay->hide();
}
void Conversation::setName(const QString& name) {
m_ui->nameLabel->setText(name);
setWindowTitle(name);
}
QString Conversation::getAccount() const {
return account->getName();
}
QString Conversation::getJid() const {
return palJid;
}
KeyEnterReceiver::KeyEnterReceiver(QObject* parent): QObject(parent), ownEvent(false) {}
bool KeyEnterReceiver::eventFilter(QObject* obj, QEvent* event) {
QEvent::Type type = event->type();
if (type == QEvent::KeyPress) {
QKeyEvent* key = static_cast<QKeyEvent*>(event);
int k = key->key();
if (k == Qt::Key_Enter || k == Qt::Key_Return) {
Qt::KeyboardModifiers mod = key->modifiers();
if (mod & Qt::ControlModifier) {
mod = mod & ~Qt::ControlModifier;
QKeyEvent* nEvent = new QKeyEvent(event->type(), k, mod, key->text(), key->isAutoRepeat(), key->count());
QCoreApplication::postEvent(obj, nEvent);
ownEvent = true;
return true;
} else {
if (ownEvent) {
ownEvent = false;
} else {
emit enterPressed();
return true;
}
}
}
if (k == Qt::Key_V && key->modifiers() & Qt::CTRL) {
if (Conversation::checkClipboardImage()) {
emit imagePasted();
return true;
}
}
}
return QObject::eventFilter(obj, event);
}
bool Conversation::checkClipboardImage() {
return !QApplication::clipboard()->image().isNull();
}
QString Conversation::getPalResource() const {
return activePalResource;
}
void Conversation::setPalResource(const QString& res) {
activePalResource = res;
}
void Conversation::initiateMessageSending() {
QString body(m_ui->messageEditor->toPlainText());
if (body.size() > 0) {
Shared::Message msg = createMessage();
msg.setBody(body);
initiateMessageSending(msg);
}
if (filesToAttach.size() > 0) {
for (const Badge* badge : filesToAttach) {
Shared::Message msg = createMessage();
msg.setAttachPath(badge->id);
element->feed->registerUpload(msg.getId());
initiateMessageSending(msg);
}
}
clear();
}
void Conversation::initiateMessageSending(const Shared::Message& msg) {
if (currentAction == CurrentAction::edit) {
emit replaceMessage(currentMessageId, msg);
currentAction = CurrentAction::none;
} else {
emit sendMessage(msg);
}
}
void Conversation::onImagePasted() {
QImage image = QApplication::clipboard()->image();
if (image.isNull())
return;
QTemporaryFile *tempFile = new QTemporaryFile(QDir::tempPath() + QStringLiteral("/squawk_img_attach_XXXXXX.png"), QApplication::instance());
tempFile->open();
image.save(tempFile, "PNG");
tempFile->close();
qDebug() << "image on paste temp file: " << tempFile->fileName();
addAttachedFile(tempFile->fileName());
// The file, if successfully uploaded, will be copied to Download folder.
// On application closing, this temporary file will be automatically removed by Qt.
// See Core::NetworkAccess::onUploadFinished.
}
void Conversation::onAttach() {
QFileDialog* d = new QFileDialog(this, tr("Chose a file to send"));
d->setFileMode(QFileDialog::ExistingFile);
connect(d, &QFileDialog::accepted, this, &Conversation::onFileSelected);
connect(d, &QFileDialog::rejected, d, &QFileDialog::deleteLater);
d->show();
}
void Conversation::onFileSelected() {
QFileDialog* d = static_cast<QFileDialog*>(sender());
for (const QString& path : d->selectedFiles())
addAttachedFile(path);
d->deleteLater();
}
void Conversation::setStatus(const QString& status) {
statusLabel->setText(Shared::processMessageBody(status));
}
Models::Roster::ElId Conversation::getId() const {
return {getAccount(), getJid()};
}
void Conversation::addAttachedFile(const QString& path) {
std::vector<Badge*>::const_iterator itr = std::find_if(
filesToAttach.begin(),
filesToAttach.end(),
[&path] (const Badge* badge) {return badge->id == path;}
);
if (itr != filesToAttach.end())
return;
QMimeDatabase db;
QMimeType type = db.mimeTypeForFile(path);
QFileInfo info(path);
QIcon fileIcon = QIcon::fromTheme(type.iconName());
if (fileIcon.isNull())
fileIcon.addFile(QString::fromUtf8(":/images/fallback/dark/big/mail-attachment.svg"), QSize(), QIcon::Normal, QIcon::Off);
Badge* badge = new Badge(path, info.fileName(), fileIcon);
filesToAttach.push_back(badge);
connect(badge, &Badge::closeClicked, this, &Conversation::onBadgeClose);
filesLayout->addWidget(badge);
if (filesLayout->count() == 1)
filesLayout->setContentsMargins(3, 3, 3, 3);
}
void Conversation::removeAttachedFile(const QString& id) {
std::vector<Badge*>::const_iterator itr = std::find_if(
filesToAttach.begin(),
filesToAttach.end(),
[&id] (const Badge* badge) {return badge->id == id;}
);
if (itr != filesToAttach.end()) {
Badge* badge = *itr;
filesToAttach.erase(itr);
if (filesLayout->count() == 1)
filesLayout->setContentsMargins(0, 0, 0, 0);
badge->deleteLater();
}
}
void Conversation::onBadgeClose() {
Badge* badge = static_cast<Badge*>(sender());
removeAttachedFile(badge->id);
}
void Conversation::clearAttachedFiles() {
for (Badge* badge : filesToAttach)
badge->deleteLater();
filesToAttach.clear();
filesLayout->setContentsMargins(0, 0, 0, 0);
}
void Conversation::clear() {
currentMessageId.clear();
currentAction = CurrentAction::none;
m_ui->currentActionBadge->setVisible(false);
clearAttachedFiles();
m_ui->messageEditor->clear();
}
void Conversation::onEncryptionButtonClicked() {}
void Conversation::setAvatar(const QString& path) {
QPixmap pixmap;
if (path.size() == 0)
pixmap = Shared::icon("user", true).pixmap(avatarSize);
else
pixmap = QPixmap(path).scaled(avatarSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QPixmap result(avatarSize);
result.fill(Qt::transparent);
QPainter painter(&result);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
QPainterPath maskPath;
maskPath.addEllipse(0, 0, avatarSize.width(), avatarSize.height());
painter.setClipPath(maskPath);
painter.drawPixmap(0, 0, pixmap);
m_ui->avatar->setPixmap(result);
}
void Conversation::onTextEditDocSizeChanged(const QSizeF& size) {
m_ui->messageEditor->setMaximumHeight(int(size.height()));
}
void Conversation::setFeedFrames(bool top, bool right, bool bottom, bool left) {
shadow.setFrames(top, right, bottom, left);
}
void Conversation::dragEnterEvent(QDragEnterEvent* event) {
bool accept = false;
if (event->mimeData()->hasUrls()) {
QList<QUrl> list = event->mimeData()->urls();
for (const QUrl& url : list) {
if (url.isLocalFile()) {
QFileInfo info(url.toLocalFile());
if (info.isReadable() && info.isFile()) {
accept = true;
break;
}
}
}
}
if (accept) {
event->acceptProposedAction();
overlay->show();
}
}
void Conversation::dragLeaveEvent(QDragLeaveEvent* event) {
SHARED_UNUSED(event);
overlay->hide();
}
void Conversation::dropEvent(QDropEvent* event) {
bool accept = false;
if (event->mimeData()->hasUrls()) {
QList<QUrl> list = event->mimeData()->urls();
for (const QUrl& url : list) {
if (url.isLocalFile()) {
QFileInfo info(url.toLocalFile());
if (info.isReadable() && info.isFile()) {
addAttachedFile(info.canonicalFilePath());
accept = true;
}
}
}
}
if (accept)
event->acceptProposedAction();
overlay->hide();
}
Shared::Message Conversation::createMessage() const {
Shared::Message msg;
msg.setOutgoing(true);
msg.generateRandomId();
msg.setCurrentTime();
msg.setState(Shared::Message::State::pending);
return msg;
}
void Conversation::onFeedMessage(const Shared::Message& msg) {
this->onMessage(msg);
}
void Conversation::onMessage(const Shared::Message& msg) {
if (!msg.getForwarded()) {
QApplication::alert(this);
if (window()->windowState().testFlag(Qt::WindowMinimized))
emit notifyableMessage(getAccount(), msg);
}
}
void Conversation::positionShadow() {
int w = width();
int h = feed->height();
shadow.resize(w, h);
shadow.move(feed->pos());
shadow.raise();
}
void Conversation::onFeedContext(const QPoint& pos) {
QModelIndex index = feed->indexAt(pos);
if (index.isValid()) {
Shared::Message* item = static_cast<Shared::Message*>(index.internalPointer());
contextMenu->clear();
QString id = item->getId();
bool showMenu = false;
if (item->getState() == Shared::Message::State::error) {
showMenu = true;
QAction* resend = contextMenu->addAction(Shared::icon("view-refresh"), tr("Try sending again"));
connect(resend, &QAction::triggered, [this, id]() {
element->feed->registerUpload(id);
emit resendMessage(id);
});
}
QString selected = feed->getSelectedText();
if (selected.size() > 0) {
showMenu = true;
QAction* copy = contextMenu->addAction(Shared::icon("edit-copy"), tr("Copy selected"));
connect(copy, &QAction::triggered, [selected] () {
QClipboard* cb = QApplication::clipboard();
cb->setText(selected);
});
}
QString body = item->getBody();
if (body.size() > 0) {
showMenu = true;
QAction* copy = contextMenu->addAction(Shared::icon("edit-copy"), tr("Copy message"));
connect(copy, &QAction::triggered, [body] () {
QClipboard* cb = QApplication::clipboard();
cb->setText(body);
});
}
QString path = Shared::resolvePath(item->getAttachPath());
if (path.size() > 0) {
showMenu = true;
QAction* open = contextMenu->addAction(Shared::icon("document-preview"), tr("Open"));
connect(open, &QAction::triggered, [path]() {
QDesktopServices::openUrl(QUrl::fromLocalFile(path));
});
QAction* show = contextMenu->addAction(Shared::icon("folder"), tr("Show in folder"));
connect(show, &QAction::triggered, [path]() {
Shared::Global::highlightInFileManager(path);
});
}
bool hasAttach = item->getAttachPath() > 0 || item->getOutOfBandUrl() > 0;
//the only mandatory condition - is for the message to be outgoing, the rest is just a good intention on the server
if (item->getOutgoing() && !hasAttach && index.row() < 100 && item->getTime().daysTo(QDateTime::currentDateTimeUtc()) < 20) {
showMenu = true;
QAction* edit = contextMenu->addAction(Shared::icon("edit-rename"), tr("Edit"));
connect(edit, &QAction::triggered, this, std::bind(&Conversation::onMessageEditRequested, this, id));
}
if (showMenu)
contextMenu->popup(feed->viewport()->mapToGlobal(pos));
}
}
void Conversation::onMessageEditorContext(const QPoint& pos) {
pasteImageAction->setEnabled(Conversation::checkClipboardImage());
QMenu *editorMenu = m_ui->messageEditor->createStandardContextMenu();
editorMenu->addSeparator();
editorMenu->addAction(pasteImageAction);
editorMenu->exec(this->m_ui->messageEditor->mapToGlobal(pos));
}
void Conversation::onMessageEditRequested(const QString& id) {
clear();
try {
Shared::Message msg = element->feed->getMessage(id);
currentMessageId = id;
m_ui->currentActionBadge->setVisible(true);
m_ui->currentActionBadge->setText(tr("Editing message..."));
currentAction = CurrentAction::edit;
m_ui->messageEditor->setText(msg.getBody());
QString path = msg.getAttachPath();
if (path.size() > 0)
addAttachedFile(path);
} catch (const Models::MessageFeed::NotFound& e) {
qDebug() << "The message requested to be edited was not found" << e.getMessage().c_str();
qDebug() << "Ignoring";
}
}
void Conversation::showEvent(QShowEvent* event) {
QWidget::showEvent(event);
emit shown();
m_ui->messageEditor->setFocus();
}