diff --git a/include/timeline/TimelineView.h b/include/timeline/TimelineView.h
deleted file mode 100644
index e6b80637..00000000
--- a/include/timeline/TimelineView.h
+++ /dev/null
@@ -1,426 +0,0 @@
-/*
- * nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
- *
- * 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/>.
- */
-
-#pragma once
-
-#include <QApplication>
-#include <QLayout>
-#include <QList>
-#include <QQueue>
-#include <QScrollArea>
-#include <QStyle>
-#include <QStyleOption>
-#include <QTimer>
-
-#include <mtx/events.hpp>
-#include <mtx/responses/messages.hpp>
-
-#include "MatrixClient.h"
-#include "ScrollBar.h"
-#include "TimelineItem.h"
-
-class StateKeeper
-{
-public:
- StateKeeper(std::function<void()> &&fn)
- : fn_(std::move(fn))
- {}
-
- ~StateKeeper() { fn_(); }
-
-private:
- std::function<void()> fn_;
-};
-
-struct DecryptionResult
-{
- //! The decrypted content as a normal plaintext event.
- utils::TimelineEvent event;
- //! Whether or not the decryption was successful.
- bool isDecrypted = false;
-};
-
-class FloatingButton;
-struct DescInfo;
-
-// Contains info about a message shown in the history view
-// but not yet confirmed by the homeserver through sync.
-struct PendingMessage
-{
- mtx::events::MessageType ty;
- std::string txn_id;
- QString body;
- QString filename;
- QString mime;
- uint64_t media_size;
- QString event_id;
- TimelineItem *widget;
- QSize dimensions;
- bool is_encrypted = false;
-};
-
-template<class MessageT>
-MessageT
-toRoomMessage(const PendingMessage &) = delete;
-
-template<>
-mtx::events::msg::Audio
-toRoomMessage<mtx::events::msg::Audio>(const PendingMessage &m);
-
-template<>
-mtx::events::msg::Emote
-toRoomMessage<mtx::events::msg::Emote>(const PendingMessage &m);
-
-template<>
-mtx::events::msg::File
-toRoomMessage<mtx::events::msg::File>(const PendingMessage &);
-
-template<>
-mtx::events::msg::Image
-toRoomMessage<mtx::events::msg::Image>(const PendingMessage &m);
-
-template<>
-mtx::events::msg::Text
-toRoomMessage<mtx::events::msg::Text>(const PendingMessage &);
-
-template<>
-mtx::events::msg::Video
-toRoomMessage<mtx::events::msg::Video>(const PendingMessage &m);
-
-// In which place new TimelineItems should be inserted.
-enum class TimelineDirection
-{
- Top,
- Bottom,
-};
-
-class TimelineView : public QWidget
-{
- Q_OBJECT
-
-public:
- TimelineView(const mtx::responses::Timeline &timeline,
- const QString &room_id,
- QWidget *parent = 0);
- TimelineView(const QString &room_id, QWidget *parent = 0);
-
- // Add new events at the end of the timeline.
- void addEvents(const mtx::responses::Timeline &timeline);
- void addUserMessage(mtx::events::MessageType ty, const QString &msg);
-
- template<class Widget, mtx::events::MessageType MsgType>
- void addUserMessage(const QString &url,
- const QString &filename,
- const QString &mime,
- uint64_t size,
- const QSize &dimensions = QSize());
- void updatePendingMessage(const std::string &txn_id, const QString &event_id);
- void scrollDown();
-
- //! Remove an item from the timeline with the given Event ID.
- void removeEvent(const QString &event_id);
- void setPrevBatchToken(const QString &token) { prev_batch_token_ = token; }
-
-public slots:
- void sliderRangeChanged(int min, int max);
- void sliderMoved(int position);
- void fetchHistory();
-
- // Add old events at the top of the timeline.
- void addBackwardsEvents(const mtx::responses::Messages &msgs);
-
- // Whether or not the initial batch has been loaded.
- bool hasLoaded() { return scroll_layout_->count() > 1 || isTimelineFinished; }
-
- void handleFailedMessage(const std::string &txn_id);
-
-private slots:
- void sendNextPendingMessage();
-
-signals:
- void updateLastTimelineMessage(const QString &user, const DescInfo &info);
- void messagesRetrieved(const mtx::responses::Messages &res);
- void messageFailed(const std::string &txn_id);
- void messageSent(const std::string &txn_id, const QString &event_id);
-
-protected:
- void paintEvent(QPaintEvent *event) override;
- void showEvent(QShowEvent *event) override;
- bool event(QEvent *event) override;
-
-private:
- using TimelineEvent = mtx::events::collections::TimelineEvents;
-
- QWidget *relativeWidget(QWidget *item, int dt) const;
-
- DecryptionResult parseEncryptedEvent(
- const mtx::events::EncryptedEvent<mtx::events::msg::Encrypted> &e);
-
- void handleClaimedKeys(std::shared_ptr<StateKeeper> keeper,
- const std::map<std::string, std::string> &room_key,
- const std::map<std::string, DevicePublicKeys> &pks,
- const std::string &user_id,
- const mtx::responses::ClaimKeys &res,
- mtx::http::RequestErr err);
-
- //! Callback for all message sending.
- void sendRoomMessageHandler(const std::string &txn_id,
- const mtx::responses::EventId &res,
- mtx::http::RequestErr err);
- void prepareEncryptedMessage(const PendingMessage &msg);
-
- //! Call the /messages endpoint to fill the timeline.
- void getMessages();
- //! HACK: Fixing layout flickering when adding to the bottom
- //! of the timeline.
- void pushTimelineItem(QWidget *item)
- {
- item->hide();
- scroll_layout_->addWidget(item);
- QTimer::singleShot(0, this, [item]() { item->show(); });
- };
-
- //! Decides whether or not to show or hide the scroll down button.
- void toggleScrollDownButton();
- void init();
- void addTimelineItem(QWidget *item,
- TimelineDirection direction = TimelineDirection::Bottom);
- void updateLastSender(const QString &user_id, TimelineDirection direction);
- void notifyForLastEvent();
- void notifyForLastEvent(const TimelineEvent &event);
- //! Keep track of the sender and the timestamp of the current message.
- void saveLastMessageInfo(const QString &sender, const QDateTime &datetime)
- {
- lastSender_ = sender;
- lastMsgTimestamp_ = datetime;
- }
- void saveFirstMessageInfo(const QString &sender, const QDateTime &datetime)
- {
- firstSender_ = sender;
- firstMsgTimestamp_ = datetime;
- }
- //! Keep track of the sender and the timestamp of the current message.
- void saveMessageInfo(const QString &sender,
- uint64_t origin_server_ts,
- TimelineDirection direction);
-
- TimelineEvent findFirstViewableEvent(const std::vector<TimelineEvent> &events);
- TimelineEvent findLastViewableEvent(const std::vector<TimelineEvent> &events);
-
- //! Mark the last event as read.
- void readLastEvent() const;
- //! Whether or not the scrollbar is visible (non-zero height).
- bool isScrollbarActivated() { return scroll_area_->verticalScrollBar()->value() != 0; }
- //! Retrieve the event id of the last item.
- QString getLastEventId() const;
-
- template<class Event, class Widget>
- TimelineItem *processMessageEvent(const Event &event, TimelineDirection direction);
-
- // TODO: Remove this eventually.
- template<class Event>
- TimelineItem *processMessageEvent(const Event &event, TimelineDirection direction);
-
- // For events with custom display widgets.
- template<class Event, class Widget>
- TimelineItem *createTimelineItem(const Event &event, bool withSender);
-
- // For events without custom display widgets.
- // TODO: All events should have custom widgets.
- template<class Event>
- TimelineItem *createTimelineItem(const Event &event, bool withSender);
-
- // Used to determine whether or not we should prefix a message with the
- // sender's name.
- bool isSenderRendered(const QString &user_id,
- uint64_t origin_server_ts,
- TimelineDirection direction);
-
- bool isPendingMessage(const std::string &txn_id,
- const QString &sender,
- const QString &userid);
- void removePendingMessage(const std::string &txn_id);
-
- bool isDuplicate(const QString &event_id) { return eventIds_.contains(event_id); }
-
- void handleNewUserMessage(PendingMessage msg);
- bool isDateDifference(const QDateTime &first,
- const QDateTime &second = QDateTime::currentDateTime()) const;
-
- // Return nullptr if the event couldn't be parsed.
- QWidget *parseMessageEvent(const mtx::events::collections::TimelineEvents &event,
- TimelineDirection direction);
-
- //! Store the event id associated with the given widget.
- void saveEventId(QWidget *widget);
-
- QVBoxLayout *top_layout_;
- QVBoxLayout *scroll_layout_;
-
- QScrollArea *scroll_area_;
- ScrollBar *scrollbar_;
- QWidget *scroll_widget_;
-
- QString firstSender_;
- QDateTime firstMsgTimestamp_;
- QString lastSender_;
- QDateTime lastMsgTimestamp_;
-
- QString room_id_;
- QString prev_batch_token_;
- QString local_user_;
-
- bool isPaginationInProgress_ = false;
-
- // Keeps track whether or not the user has visited the view.
- bool isInitialized = false;
- bool isTimelineFinished = false;
- bool isInitialSync = true;
-
- const int SCROLL_BAR_GAP = 200;
-
- QTimer *paginationTimer_;
-
- int scroll_height_ = 0;
- int previous_max_height_ = 0;
-
- int oldPosition_;
- int oldHeight_;
-
- FloatingButton *scrollDownBtn_;
-
- TimelineDirection lastMessageDirection_;
-
- //! Messages received by sync not added to the timeline.
- std::vector<TimelineEvent> bottomMessages_;
- //! Messages received by /messages not added to the timeline.
- std::vector<TimelineEvent> topMessages_;
-
- //! Render the given timeline events to the bottom of the timeline.
- void renderBottomEvents(const std::vector<TimelineEvent> &events);
- //! Render the given timeline events to the top of the timeline.
- void renderTopEvents(const std::vector<TimelineEvent> &events);
-
- // The events currently rendered. Used for duplicate detection.
- QMap<QString, QWidget *> eventIds_;
- QQueue<PendingMessage> pending_msgs_;
- QList<PendingMessage> pending_sent_msgs_;
-};
-
-template<class Widget, mtx::events::MessageType MsgType>
-void
-TimelineView::addUserMessage(const QString &url,
- const QString &filename,
- const QString &mime,
- uint64_t size,
- const QSize &dimensions)
-{
- auto with_sender = (lastSender_ != local_user_) || isDateDifference(lastMsgTimestamp_);
- auto trimmed = QFileInfo{filename}.fileName(); // Trim file path.
-
- auto widget = new Widget(url, trimmed, size, this);
-
- TimelineItem *view_item =
- new TimelineItem(widget, local_user_, with_sender, room_id_, scroll_widget_);
-
- addTimelineItem(view_item);
-
- lastMessageDirection_ = TimelineDirection::Bottom;
-
- // Keep track of the sender and the timestamp of the current message.
- saveLastMessageInfo(local_user_, QDateTime::currentDateTime());
-
- PendingMessage message;
- message.ty = MsgType;
- message.txn_id = http::client()->generate_txn_id();
- message.body = url;
- message.filename = trimmed;
- message.mime = mime;
- message.media_size = size;
- message.widget = view_item;
- message.dimensions = dimensions;
-
- handleNewUserMessage(message);
-}
-
-template<class Event>
-TimelineItem *
-TimelineView::createTimelineItem(const Event &event, bool withSender)
-{
- TimelineItem *item = new TimelineItem(event, withSender, room_id_, scroll_widget_);
- return item;
-}
-
-template<class Event, class Widget>
-TimelineItem *
-TimelineView::createTimelineItem(const Event &event, bool withSender)
-{
- auto eventWidget = new Widget(event);
- auto item = new TimelineItem(eventWidget, event, withSender, room_id_, scroll_widget_);
-
- return item;
-}
-
-template<class Event>
-TimelineItem *
-TimelineView::processMessageEvent(const Event &event, TimelineDirection direction)
-{
- const auto event_id = QString::fromStdString(event.event_id);
- const auto sender = QString::fromStdString(event.sender);
-
- const auto txn_id = event.unsigned_data.transaction_id;
- if ((!txn_id.empty() && isPendingMessage(txn_id, sender, local_user_)) ||
- isDuplicate(event_id)) {
- removePendingMessage(txn_id);
- return nullptr;
- }
-
- auto with_sender = isSenderRendered(sender, event.origin_server_ts, direction);
-
- saveMessageInfo(sender, event.origin_server_ts, direction);
-
- auto item = createTimelineItem<Event>(event, with_sender);
-
- eventIds_[event_id] = item;
-
- return item;
-}
-
-template<class Event, class Widget>
-TimelineItem *
-TimelineView::processMessageEvent(const Event &event, TimelineDirection direction)
-{
- const auto event_id = QString::fromStdString(event.event_id);
- const auto sender = QString::fromStdString(event.sender);
-
- const auto txn_id = event.unsigned_data.transaction_id;
- if ((!txn_id.empty() && isPendingMessage(txn_id, sender, local_user_)) ||
- isDuplicate(event_id)) {
- removePendingMessage(txn_id);
- return nullptr;
- }
-
- auto with_sender = isSenderRendered(sender, event.origin_server_ts, direction);
-
- saveMessageInfo(sender, event.origin_server_ts, direction);
-
- auto item = createTimelineItem<Event, Widget>(event, with_sender);
-
- eventIds_[event_id] = item;
-
- return item;
-}
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