Desktop Qt based XMPP messenger https://macaw.me
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/*
* 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 "ui/utils/dropshadoweffect.h"
#include <QDebug>
#include <QScrollBar>
#include <QTimer>
#include <QFileDialog>
#include <QMimeDatabase>
#include <unistd.h>
#include <QAbstractTextDocumentLayout>
#include <QCoreApplication>
Conversation::Conversation(bool muc, Models::Account* acc, const QString pJid, const QString pRes, QWidget* parent):
QWidget(parent),
isMuc(muc),
account(acc),
palJid(pJid),
activePalResource(pRes),
line(new MessageLine(muc)),
m_ui(new Ui::Conversation()),
ker(),
scrollResizeCatcher(),
vis(),
thread(),
statusIcon(0),
statusLabel(0),
filesLayout(0),
overlay(new QWidget()),
filesToAttach(),
scroll(down),
manualSliderChange(false),
requestingHistory(false),
everShown(false),
tsb(QApplication::style()->styleHint(QStyle::SH_ScrollBar_Transient) == 1)
{
m_ui->setupUi(this);
connect(acc, &Models::Account::childChanged, this, &Conversation::onAccountChanged);
filesLayout = new FlowLayout(m_ui->filesPanel, 0);
m_ui->filesPanel->setLayout(filesLayout);
statusIcon = m_ui->statusIcon;
statusLabel = m_ui->statusLabel;
connect(&ker, &KeyEnterReceiver::enterPressed, this, &Conversation::onEnterPressed);
connect(&scrollResizeCatcher, &Resizer::resized, this, &Conversation::onScrollResize);
connect(&vis, &VisibilityCatcher::shown, this, &Conversation::onScrollResize);
connect(&vis, &VisibilityCatcher::hidden, this, &Conversation::onScrollResize);
connect(m_ui->sendButton, &QPushButton::clicked, this, &Conversation::onEnterPressed);
connect(line, &MessageLine::resize, this, &Conversation::onMessagesResize);
connect(line, &MessageLine::downloadFile, this, &Conversation::downloadFile);
connect(line, &MessageLine::uploadFile, this, qOverload<const Shared::Message&, const QString&>(&Conversation::sendMessage));
connect(line, &MessageLine::requestLocalFile, this, &Conversation::requestLocalFile);
connect(m_ui->attachButton, &QPushButton::clicked, this, &Conversation::onAttach);
connect(m_ui->clearButton, &QPushButton::clicked, this, &Conversation::onClearButton);
connect(m_ui->messageEditor->document()->documentLayout(), &QAbstractTextDocumentLayout::documentSizeChanged,
this, &Conversation::onTextEditDocSizeChanged);
m_ui->messageEditor->installEventFilter(&ker);
QScrollBar* vs = m_ui->scrollArea->verticalScrollBar();
m_ui->scrollArea->setWidget(line);
vs->installEventFilter(&vis);
line->setAutoFillBackground(false);
if (testAttribute(Qt::WA_TranslucentBackground)) {
m_ui->scrollArea->setAutoFillBackground(false);
} else {
m_ui->scrollArea->setBackgroundRole(QPalette::Base);
}
connect(vs, &QScrollBar::valueChanged, this, &Conversation::onSliderValueChanged);
m_ui->scrollArea->installEventFilter(&scrollResizeCatcher);
line->setMyAvatarPath(acc->getAvatarPath());
line->setMyName(acc->getName());
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();
applyVisualEffects();
}
Conversation::~Conversation()
{
}
void Conversation::onAccountChanged(Models::Item* item, int row, int col)
{
if (item == account) {
if (col == 2 && account->getState() == Shared::ConnectionState::connected) {
if (!requestingHistory) {
requestingHistory = true;
line->showBusyIndicator();
emit requestArchive("");
scroll = down;
}
}
}
}
void Conversation::applyVisualEffects()
{
DropShadowEffect *e1 = new DropShadowEffect;
e1->setBlurRadius(10);
e1->setColor(Qt::black);
e1->setThickness(1);
e1->setFrame(true, false, true, false);
m_ui->scrollArea->setGraphicsEffect(e1);
}
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;
}
void Conversation::addMessage(const Shared::Message& data)
{
int pos = m_ui->scrollArea->verticalScrollBar()->sliderPosition();
int max = m_ui->scrollArea->verticalScrollBar()->maximum();
MessageLine::Position place = line->message(data);
if (place == MessageLine::invalid) {
return;
}
}
void Conversation::changeMessage(const QString& id, const QMap<QString, QVariant>& data)
{
line->changeMessage(id, data);
}
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;
}
}
}
}
return QObject::eventFilter(obj, event);
}
QString Conversation::getPalResource() const
{
return activePalResource;
}
void Conversation::setPalResource(const QString& res)
{
activePalResource = res;
}
void Conversation::onEnterPressed()
{
QString body(m_ui->messageEditor->toPlainText());
if (body.size() > 0) {
m_ui->messageEditor->clear();
Shared::Message msg = createMessage();
msg.setBody(body);
addMessage(msg);
emit sendMessage(msg);
}
if (filesToAttach.size() > 0) {
for (Badge* badge : filesToAttach) {
Shared::Message msg = createMessage();
line->appendMessageWithUpload(msg, badge->id);
usleep(1000); //this is required for the messages not to have equal time when appending into messageline
}
clearAttachedFiles();
}
}
void Conversation::appendMessageWithUpload(const Shared::Message& data, const QString& path)
{
line->appendMessageWithUploadNoSiganl(data, path);
}
void Conversation::onMessagesResize(int amount)
{
manualSliderChange = true;
switch (scroll) {
case down:
m_ui->scrollArea->verticalScrollBar()->setValue(m_ui->scrollArea->verticalScrollBar()->maximum());
break;
case keep: {
int max = m_ui->scrollArea->verticalScrollBar()->maximum();
int value = m_ui->scrollArea->verticalScrollBar()->value() + amount;
m_ui->scrollArea->verticalScrollBar()->setValue(value);
if (value == max) {
scroll = down;
} else {
scroll = nothing;
}
}
break;
default:
break;
}
manualSliderChange = false;
}
void Conversation::onSliderValueChanged(int value)
{
if (!manualSliderChange) {
if (value == m_ui->scrollArea->verticalScrollBar()->maximum()) {
scroll = down;
} else {
if (!requestingHistory && value == 0) {
requestingHistory = true;
line->showBusyIndicator();
emit requestArchive(line->firstMessageId());
scroll = keep;
} else {
scroll = nothing;
}
}
}
}
void Conversation::responseArchive(const std::list<Shared::Message> list)
{
requestingHistory = false;
scroll = keep;
line->hideBusyIndicator();
for (std::list<Shared::Message>::const_iterator itr = list.begin(), end = list.end(); itr != end; ++itr) {
addMessage(*itr);
}
}
void Conversation::showEvent(QShowEvent* event)
{
if (!everShown) {
everShown = true;
line->showBusyIndicator();
requestingHistory = true;
scroll = keep;
emit requestArchive(line->firstMessageId());
}
emit shown();
QWidget::showEvent(event);
}
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));
}
void Conversation::onScrollResize()
{
if (everShown) {
int size = m_ui->scrollArea->width();
QScrollBar* bar = m_ui->scrollArea->verticalScrollBar();
if (bar->isVisible() && !tsb) {
size -= bar->width();
}
line->setMaximumWidth(size);
}
}
void Conversation::responseFileProgress(const QString& messageId, qreal progress)
{
line->fileProgress(messageId, progress);
}
void Conversation::fileError(const QString& messageId, const QString& error)
{
line->fileError(messageId, error);
}
void Conversation::responseLocalFile(const QString& messageId, const QString& path)
{
line->responseLocalFile(messageId, path);
}
Models::Roster::ElId Conversation::getId() const
{
return {getAccount(), getJid()};
}
void Conversation::addAttachedFile(const QString& path)
{
QMimeDatabase db;
QMimeType type = db.mimeTypeForFile(path);
QFileInfo info(path);
Badge* badge = new Badge(path, info.fileName(), QIcon::fromTheme(type.iconName()));
connect(badge, &Badge::close, this, &Conversation::onBadgeClose);
try {
filesToAttach.push_back(badge);
filesLayout->addWidget(badge);
if (filesLayout->count() == 1) {
filesLayout->setContentsMargins(3, 3, 3, 3);
}
} catch (const W::Order<Badge*, Badge::Comparator>::Duplicates& e) {
delete badge;
} catch (...) {
throw;
}
}
void Conversation::removeAttachedFile(Badge* badge)
{
W::Order<Badge*, Badge::Comparator>::const_iterator itr = filesToAttach.find(badge);
if (itr != filesToAttach.end()) {
filesToAttach.erase(badge);
if (filesLayout->count() == 1) {
filesLayout->setContentsMargins(0, 0, 0, 0);
}
badge->deleteLater();
}
}
void Conversation::onBadgeClose()
{
Badge* badge = static_cast<Badge*>(sender());
removeAttachedFile(badge);
}
void Conversation::clearAttachedFiles()
{
for (Badge* badge : filesToAttach) {
badge->deleteLater();
}
filesToAttach.clear();
filesLayout->setContentsMargins(0, 0, 0, 0);
}
void Conversation::onClearButton()
{
clearAttachedFiles();
m_ui->messageEditor->clear();
}
void Conversation::setAvatar(const QString& path)
{
if (path.size() == 0) {
m_ui->avatar->setPixmap(Shared::icon("user", true).pixmap(QSize(50, 50)));
} else {
m_ui->avatar->setPixmap(path);
}
}
void Conversation::onTextEditDocSizeChanged(const QSizeF& size)
{
m_ui->messageEditor->setMaximumHeight(int(size.height()));
}
void Conversation::setFeedFrames(bool top, bool right, bool bottom, bool left)
{
static_cast<DropShadowEffect*>(m_ui->scrollArea->graphicsEffect())->setFrame(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)
{
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;
}
bool VisibilityCatcher::eventFilter(QObject* obj, QEvent* event)
{
if (event->type() == QEvent::Show) {
emit shown();
}
if (event->type() == QEvent::Hide) {
emit hidden();
}
return false;
}
VisibilityCatcher::VisibilityCatcher(QWidget* parent):
QObject(parent)
{
}