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Add ability to redact messages

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remotes/origin/HEAD
Konstantinos Sideris 7 years ago
parent a6f867353f
commit a0ae6cf5d5
9 changed files with 216 additions and 79 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      include/ChatPage.h
  2. 4
      include/MatrixClient.h
  3. 49
      include/timeline/TimelineItem.h
  4. 35
      include/timeline/TimelineView.h
  5. 3
      src/ChatPage.cc
  6. 44
      src/MatrixClient.cc
  7. 101
      src/timeline/TimelineItem.cc
  8. 45
      src/timeline/TimelineView.cc
  9. 10
      src/timeline/TimelineViewManager.cc

4
include/ChatPage.h
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@ -72,6 +72,10 @@ public:
{
client_->readEvent(room_id, event_id);
}
void redactEvent(const QString &room_id, const QString &event_id)
{
client_->redactEvent(room_id, event_id);
}
QSharedPointer<UserSettings> userSettings() { return userSettings_; }

4
include/MatrixClient.h
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@ -86,6 +86,7 @@ public:
void sendTypingNotification(const QString &roomid, int timeoutInMillis = 20000);
void removeTypingNotification(const QString &roomid);
void readEvent(const QString &room_id, const QString &event_id);
void redactEvent(const QString &room_id, const QString &event_id);
void inviteUser(const QString &room_id, const QString &user);
void createRoom(const mtx::requests::CreateRoom &request);
@ -171,6 +172,9 @@ signals:
void leftRoom(const QString &room_id);
void roomCreationFailed(const QString &msg);
void redactionFailed(const QString &error);
void redactionCompleted(const QString &room_id, const QString &event_id);
private:
QNetworkReply *makeUploadRequest(QSharedPointer<QIODevice> iodev);
QJsonObject getUploadReply(QNetworkReply *reply);

49
include/timeline/TimelineItem.h
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@ -93,6 +93,9 @@ public:
ChatPage::instance()->readEvent(room_id_, event_id_);
}
//! Add a user avatar for this event.
void addAvatar();
protected:
void paintEvent(QPaintEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
@ -130,20 +133,18 @@ private:
QMenu *contextMenu_;
QAction *showReadReceipts_;
QAction *markAsRead_;
QAction *redactMsg_;
QHBoxLayout *topLayout_;
//! The message and the timestamp/checkmark.
QHBoxLayout *messageLayout_;
//! Avatar or Timestamp
QVBoxLayout *sideLayout_;
//! Header & Message body
QVBoxLayout *mainLayout_;
QVBoxLayout *headerLayout_; // Username (&) Timestamp
QHBoxLayout *topLayout_ = nullptr;
QHBoxLayout *messageLayout_ = nullptr;
QVBoxLayout *mainLayout_ = nullptr;
QVBoxLayout *headerLayout_ = nullptr;
QHBoxLayout *widgetLayout_ = nullptr;
Avatar *userAvatar_;
QFont font_;
QFont usernameFont_;
QLabel *timestamp_;
QLabel *checkmark_;
@ -169,26 +170,23 @@ TimelineItem::setupLocalWidgetLayout(Widget *widget,
generateTimestamp(timestamp);
auto widgetLayout = new QHBoxLayout();
widgetLayout->setContentsMargins(0, 5, 0, 0);
widgetLayout->addWidget(widget);
widgetLayout->addStretch(1);
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
widgetLayout_ = new QHBoxLayout;
widgetLayout_->setContentsMargins(0, 5, 0, 0);
widgetLayout_->addWidget(widget);
widgetLayout_->addStretch(1);
if (withSender) {
generateBody(displayName, "");
setupAvatarLayout(displayName);
headerLayout_->addLayout(widgetLayout);
headerLayout_->addLayout(widgetLayout_);
messageLayout_->addLayout(headerLayout_, 1);
AvatarProvider::resolve(userid, [this](const QImage &img) { setUserAvatar(img); });
} else {
setupSimpleLayout();
messageLayout_->addLayout(widgetLayout, 1);
messageLayout_->addLayout(widgetLayout_, 1);
}
messageLayout_->addWidget(checkmark_);
@ -220,26 +218,23 @@ TimelineItem::setupWidgetLayout(Widget *widget,
generateTimestamp(timestamp);
auto widgetLayout = new QHBoxLayout();
widgetLayout->setContentsMargins(0, 5, 0, 0);
widgetLayout->addWidget(widget);
widgetLayout->addStretch(1);
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
widgetLayout_ = new QHBoxLayout();
widgetLayout_->setContentsMargins(0, 5, 0, 0);
widgetLayout_->addWidget(widget);
widgetLayout_->addStretch(1);
if (withSender) {
generateBody(displayName, "");
setupAvatarLayout(displayName);
headerLayout_->addLayout(widgetLayout);
headerLayout_->addLayout(widgetLayout_);
messageLayout_->addLayout(headerLayout_, 1);
AvatarProvider::resolve(sender, [this](const QImage &img) { setUserAvatar(img); });
} else {
setupSimpleLayout();
messageLayout_->addLayout(widgetLayout, 1);
messageLayout_->addLayout(widgetLayout_, 1);
}
messageLayout_->addWidget(checkmark_);

35
include/timeline/TimelineView.h
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@ -101,6 +101,9 @@ public:
void scrollDown();
QLabel *createDateSeparator(QDateTime datetime);
//! Remove an item from the timeline with the given Event ID.
void removeEvent(const QString &event_id);
public slots:
void sliderRangeChanged(int min, int max);
void sliderMoved(int position);
@ -128,6 +131,8 @@ protected:
private:
using TimelineEvent = mtx::events::collections::TimelineEvents;
QWidget *relativeWidget(TimelineItem *item, int dt) const;
//! HACK: Fixing layout flickering when adding to the bottom
//! of the timeline.
void pushTimelineItem(TimelineItem *item)
@ -232,7 +237,7 @@ private:
inline bool isNotifiable(const TimelineEvent &event) const;
// The events currently rendered. Used for duplicate detection.
QMap<QString, bool> eventIds_;
QMap<QString, TimelineItem *> eventIds_;
QQueue<PendingMessage> pending_msgs_;
QList<PendingMessage> pending_sent_msgs_;
QSharedPointer<MatrixClient> client_;
@ -295,13 +300,9 @@ TimelineView::processMessageEvent(const Event &event, TimelineDirection directio
const auto event_id = QString::fromStdString(event.event_id);
const auto sender = QString::fromStdString(event.sender);
if (isDuplicate(event_id))
return nullptr;
eventIds_[event_id] = true;
const QString txnid = QString::fromStdString(event.unsigned_data.transaction_id);
if (!txnid.isEmpty() && isPendingMessage(txnid, sender, local_user_)) {
if ((!txnid.isEmpty() && isPendingMessage(txnid, sender, local_user_)) ||
isDuplicate(event_id)) {
removePendingMessage(txnid);
return nullptr;
}
@ -310,7 +311,11 @@ TimelineView::processMessageEvent(const Event &event, TimelineDirection directio
updateLastSender(sender, direction);
return createTimelineItem<Event>(event, with_sender);
auto item = createTimelineItem<Event>(event, with_sender);
eventIds_[event_id] = item;
return item;
}
template<class Event, class Widget>
@ -320,13 +325,9 @@ TimelineView::processMessageEvent(const Event &event, TimelineDirection directio
const auto event_id = QString::fromStdString(event.event_id);
const auto sender = QString::fromStdString(event.sender);
if (isDuplicate(event_id))
return nullptr;
eventIds_[event_id] = true;
const QString txnid = QString::fromStdString(event.unsigned_data.transaction_id);
if (!txnid.isEmpty() && isPendingMessage(txnid, sender, local_user_)) {
if ((!txnid.isEmpty() && isPendingMessage(txnid, sender, local_user_)) ||
isDuplicate(event_id)) {
removePendingMessage(txnid);
return nullptr;
}
@ -335,5 +336,9 @@ TimelineView::processMessageEvent(const Event &event, TimelineDirection directio
updateLastSender(sender, direction);
return createTimelineItem<Event, Widget>(event, with_sender);
auto item = createTimelineItem<Event, Widget>(event, with_sender);
eventIds_[event_id] = item;
return item;
}

3
src/ChatPage.cc
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@ -342,6 +342,9 @@ ChatPage::ChatPage(QSharedPointer<MatrixClient> client,
emit showNotification(QString("Room %1 created").arg(room_id));
});
connect(client_.data(), &MatrixClient::leftRoom, this, &ChatPage::removeRoom);
connect(client_.data(), &MatrixClient::redactionFailed, this, [this](const QString &error) {
emit showNotification(QString("Message redaction failed: %1").arg(error));
});
showContentTimer_ = new QTimer(this);
showContentTimer_->setSingleShot(true);

44
src/MatrixClient.cc
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@ -1281,3 +1281,47 @@ MatrixClient::getUploadReply(QNetworkReply *reply)
return object;
}
void
MatrixClient::redactEvent(const QString &room_id, const QString &event_id)
{
QUrlQuery query;
query.addQueryItem("access_token", token_);
QUrl endpoint(server_);
endpoint.setPath(clientApiUrl_ + QString("/rooms/%1/redact/%2/%3")
.arg(room_id)
.arg(event_id)
.arg(incrementTransactionId()));
endpoint.setQuery(query);
QNetworkRequest request(QString(endpoint.toEncoded()));
request.setHeader(QNetworkRequest::KnownHeaders::ContentTypeHeader, "application/json");
// TODO: no reason specified
QJsonObject body{};
auto reply = put(request, QJsonDocument(body).toJson(QJsonDocument::Compact));
connect(reply, &QNetworkReply::finished, this, [reply, this, room_id, event_id]() {
reply->deleteLater();
int status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
auto data = reply->readAll();
if (status == 0 || status >= 400) {
try {
mtx::errors::Error res = nlohmann::json::parse(data);
emit redactionFailed(QString::fromStdString(res.error));
return;
} catch (const std::exception &) {
}
}
try {
mtx::responses::EventId res = nlohmann::json::parse(data);
emit redactionCompleted(room_id, event_id);
} catch (const std::exception &e) {
emit redactionFailed(QString::fromStdString(e.what()));
}
});
}

101
src/timeline/TimelineItem.cc
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@ -40,29 +40,39 @@ TimelineItem::init()
body_ = nullptr;
font_.setPixelSize(conf::fontSize);
usernameFont_ = font_;
usernameFont_.setWeight(60);
QFontMetrics fm(font_);
contextMenu_ = new QMenu(this);
showReadReceipts_ = new QAction("Read receipts", this);
markAsRead_ = new QAction("Mark as read", this);
redactMsg_ = new QAction("Redact message", this);
contextMenu_->addAction(showReadReceipts_);
contextMenu_->addAction(markAsRead_);
contextMenu_->addAction(redactMsg_);
connect(showReadReceipts_, &QAction::triggered, this, [this]() {
if (!event_id_.isEmpty())
ChatPage::instance()->showReadReceipts(event_id_);
});
connect(redactMsg_, &QAction::triggered, this, [this]() {
if (!event_id_.isEmpty())
ChatPage::instance()->redactEvent(room_id_, event_id_);
});
connect(markAsRead_, &QAction::triggered, this, [this]() { sendReadReceipt(); });
topLayout_ = new QHBoxLayout(this);
mainLayout_ = new QVBoxLayout;
messageLayout_ = new QHBoxLayout;
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
topLayout_->setContentsMargins(conf::timeline::msgMargin, conf::timeline::msgMargin, 0, 0);
topLayout_->setSpacing(0);
topLayout_->addLayout(mainLayout_, 1);
mainLayout_->setContentsMargins(conf::timeline::headerLeftMargin, 0, 0, 0);
@ -73,7 +83,7 @@ TimelineItem::init()
// Setting fixed width for checkmark because systems may have a differing width for a
// space and the Unicode checkmark.
checkmark_ = new QLabel(" ", this);
checkmark_ = new QLabel(this);
checkmark_->setFont(checkmarkFont);
checkmark_->setFixedWidth(QFontMetrics{checkmarkFont}.width(CHECKMARK));
}
@ -106,9 +116,6 @@ TimelineItem::TimelineItem(mtx::events::MessageType ty,
body.replace("\n", "<br/>");
generateTimestamp(timestamp);
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
if (withSender) {
generateBody(displayName, body);
setupAvatarLayout(displayName);
@ -240,9 +247,6 @@ TimelineItem::TimelineItem(const mtx::events::RoomEvent<mtx::events::msg::Notice
body.replace("\n", "<br/>");
body = "<i>" + body + "</i>";
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
if (with_sender) {
auto displayName = TimelineViewManager::displayName(sender);
@ -289,9 +293,6 @@ TimelineItem::TimelineItem(const mtx::events::RoomEvent<mtx::events::msg::Emote>
emoteMsg.replace(conf::strings::url_regex, conf::strings::url_html);
emoteMsg.replace("\n", "<br/>");
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
if (with_sender) {
generateBody(displayName, emoteMsg);
setupAvatarLayout(displayName);
@ -341,9 +342,6 @@ TimelineItem::TimelineItem(const mtx::events::RoomEvent<mtx::events::msg::Text>
body.replace(conf::strings::url_regex, conf::strings::url_html);
body.replace("\n", "<br/>");
messageLayout_->setContentsMargins(0, 0, 20, 4);
messageLayout_->setSpacing(20);
if (with_sender) {
generateBody(displayName, body);
setupAvatarLayout(displayName);
@ -400,25 +398,13 @@ TimelineItem::generateBody(const QString &userid, const QString &body)
sender = userid.split(":")[0].split("@")[1];
}
QFont usernameFont = font_;
usernameFont.setWeight(60);
QFontMetrics fm(usernameFont);
QFontMetrics fm(usernameFont_);
userName_ = new QLabel(this);
userName_->setFont(usernameFont);
userName_->setFont(usernameFont_);
userName_->setText(fm.elidedText(sender, Qt::ElideRight, 500));
if (body.isEmpty())
return;
body_ = new QLabel(this);
body_->setFont(font_);
body_->setWordWrap(true);
body_->setText(QString("<span>%1</span>").arg(replaceEmoji(body)));
body_->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextBrowserInteraction);
body_->setOpenExternalLinks(true);
body_->setMargin(0);
generateBody(body);
}
void
@ -474,12 +460,8 @@ TimelineItem::setupAvatarLayout(const QString &userName)
if (userName[0] == '@' && userName.size() > 1)
userAvatar_->setLetter(QChar(userName[1]).toUpper());
sideLayout_ = new QVBoxLayout;
sideLayout_->setMargin(0);
sideLayout_->setSpacing(0);
sideLayout_->addWidget(userAvatar_);
sideLayout_->addStretch(1);
topLayout_->insertLayout(0, sideLayout_);
topLayout_->insertWidget(0, userAvatar_);
topLayout_->setAlignment(userAvatar_, Qt::AlignTop);
headerLayout_ = new QVBoxLayout;
headerLayout_->setMargin(0);
@ -492,8 +474,8 @@ TimelineItem::setupAvatarLayout(const QString &userName)
void
TimelineItem::setupSimpleLayout()
{
topLayout_->setContentsMargins(conf::timeline::avatarSize + conf::timeline::msgMargin + 1,
conf::timeline::msgMargin / 3,
topLayout_->setContentsMargins(conf::timeline::msgMargin + conf::timeline::avatarSize + 2,
conf::timeline::msgMargin,
0,
0);
}
@ -533,3 +515,48 @@ TimelineItem::addSaveImageAction(ImageItem *image)
connect(saveImage, &QAction::triggered, image, &ImageItem::saveAs);
}
}
void
TimelineItem::addAvatar()
{
if (userAvatar_)
return;
// TODO: should be replaced with the proper event struct.
auto userid = descriptionMsg_.userid;
auto displayName = TimelineViewManager::displayName(userid);
QFontMetrics fm(usernameFont_);
userName_ = new QLabel(this);
userName_->setFont(usernameFont_);
userName_->setText(fm.elidedText(displayName, Qt::ElideRight, 500));
QWidget *widget = nullptr;
// Extract the widget before we delete its layout.
if (widgetLayout_)
widget = widgetLayout_->itemAt(0)->widget();
// Remove all items from the layout.
QLayoutItem *item;
while ((item = messageLayout_->takeAt(0)) != 0)
delete item;
setupAvatarLayout(displayName);
// Restore widget's layout.
if (widget) {
widgetLayout_ = new QHBoxLayout();
widgetLayout_->setContentsMargins(0, 5, 0, 0);
widgetLayout_->addWidget(widget);
widgetLayout_->addStretch(1);
headerLayout_->addLayout(widgetLayout_);
}
messageLayout_->addLayout(headerLayout_, 1);
messageLayout_->addWidget(checkmark_);
messageLayout_->addWidget(timestamp_);
AvatarProvider::resolve(userid, [this](const QImage &img) { setUserAvatar(img); });
}

45
src/timeline/TimelineView.cc
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@ -491,6 +491,7 @@ TimelineView::updatePendingMessage(int txn_id, QString event_id)
if (msg.widget) {
msg.widget->setEventId(event_id);
msg.widget->markReceived();
eventIds_[event_id] = msg.widget;
}
pending_sent_msgs_.append(msg);
@ -591,6 +592,9 @@ TimelineView::isPendingMessage(const QString &txnid,
void
TimelineView::removePendingMessage(const QString &txnid)
{
if (txnid.isEmpty())
return;
for (auto it = pending_sent_msgs_.begin(); it != pending_sent_msgs_.end(); ++it) {
if (QString::number(it->txn_id) == txnid) {
int index = std::distance(pending_sent_msgs_.begin(), it);
@ -739,3 +743,44 @@ TimelineView::toggleScrollDownButton()
scrollDownBtn_->hide();
}
}
void
TimelineView::removeEvent(const QString &event_id)
{
if (!eventIds_.contains(event_id)) {
qWarning() << "unknown event_id couldn't be removed:" << event_id;
return;
}
auto removedItem = eventIds_[event_id];
// Find the next and the previous widgets in the timeline
auto prevItem = qobject_cast<TimelineItem *>(relativeWidget(removedItem, -1));
auto nextItem = qobject_cast<TimelineItem *>(relativeWidget(removedItem, 1));
// If it's a TimelineItem add an avatar.
if (prevItem)
prevItem->addAvatar();
if (nextItem)
nextItem->addAvatar();
// Finally remove the event.
removedItem->deleteLater();
eventIds_.remove(event_id);
}
QWidget *
TimelineView::relativeWidget(TimelineItem *item, int dt) const
{
int pos = scroll_layout_->indexOf(item);
if (pos == -1)
return nullptr;
pos = pos + dt;
bool isOutOfBounds = (pos <= 0 || pos > scroll_layout_->count() - 1);
return isOutOfBounds ? nullptr : scroll_layout_->itemAt(pos)->widget();
}

10
src/timeline/TimelineViewManager.cc
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@ -44,6 +44,16 @@ TimelineViewManager::TimelineViewManager(QSharedPointer<MatrixClient> client, QW
&MatrixClient::messageSendFailed,
this,
&TimelineViewManager::messageSendFailed);
connect(client_.data(),
&MatrixClient::redactionCompleted,
this,
[this](const QString &room_id, const QString &event_id) {
auto view = views_[room_id];
if (view)
view->removeEvent(event_id);
});
}
void

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