mirror of
https://github.com/Nheko-Reborn/nheko.git
synced 2024-11-25 20:48:52 +03:00
123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef HISTORY_VIEW_H
|
|
#define HISTORY_VIEW_H
|
|
|
|
#include <QHBoxLayout>
|
|
#include <QList>
|
|
#include <QScrollArea>
|
|
#include <QVBoxLayout>
|
|
#include <QWidget>
|
|
|
|
#include "Sync.h"
|
|
#include "TimelineItem.h"
|
|
|
|
#include "Image.h"
|
|
#include "Notice.h"
|
|
#include "Text.h"
|
|
|
|
namespace msgs = matrix::events::messages;
|
|
namespace events = matrix::events;
|
|
|
|
// Contains info about a message shown in the history view
|
|
// but not yet confirmed by the homeserver through sync.
|
|
struct PendingMessage {
|
|
int txn_id;
|
|
QString body;
|
|
QString event_id;
|
|
TimelineItem *widget;
|
|
|
|
PendingMessage(int txn_id, QString body, QString event_id, TimelineItem *widget)
|
|
: txn_id(txn_id)
|
|
, body(body)
|
|
, event_id(event_id)
|
|
, widget(widget)
|
|
{
|
|
}
|
|
};
|
|
|
|
// In which place new TimelineItems should be inserted.
|
|
enum class TimelineDirection {
|
|
Top,
|
|
Bottom,
|
|
};
|
|
|
|
class TimelineView : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
TimelineView(const Timeline &timeline, QSharedPointer<MatrixClient> client, const QString &room_id, QWidget *parent = 0);
|
|
|
|
TimelineItem *createTimelineItem(const events::MessageEvent<msgs::Image> &e, const QString &color, bool with_sender);
|
|
TimelineItem *createTimelineItem(const events::MessageEvent<msgs::Notice> &e, const QString &color, bool with_sender);
|
|
TimelineItem *createTimelineItem(const events::MessageEvent<msgs::Text> &e, const QString &color, bool with_sender);
|
|
|
|
// Add new events at the end of the timeline.
|
|
int addEvents(const Timeline &timeline);
|
|
void addUserTextMessage(const QString &msg, int txn_id);
|
|
void updatePendingMessage(int txn_id, QString event_id);
|
|
void scrollDown();
|
|
|
|
public slots:
|
|
void sliderRangeChanged(int min, int max);
|
|
void sliderMoved(int position);
|
|
|
|
// Add old events at the top of the timeline.
|
|
void addBackwardsEvents(const QString &room_id, const RoomMessages &msgs);
|
|
|
|
private:
|
|
void init();
|
|
void removePendingMessage(const events::MessageEvent<msgs::Text> &e);
|
|
void addTimelineItem(TimelineItem *item, TimelineDirection direction);
|
|
void updateLastSender(const QString &user_id, TimelineDirection direction);
|
|
|
|
// Used to determine whether or not we should prefix a message with the sender's name.
|
|
bool isSenderRendered(const QString &user_id, TimelineDirection direction);
|
|
bool isPendingMessage(const events::MessageEvent<msgs::Text> &e, const QString &userid);
|
|
|
|
// Return nullptr if the event couldn't be parsed.
|
|
TimelineItem *parseMessageEvent(const QJsonObject &event, TimelineDirection direction);
|
|
|
|
QVBoxLayout *top_layout_;
|
|
QVBoxLayout *scroll_layout_;
|
|
|
|
QScrollArea *scroll_area_;
|
|
QWidget *scroll_widget_;
|
|
|
|
QString last_sender_;
|
|
QString last_sender_backwards_;
|
|
QString room_id_;
|
|
QString prev_batch_token_;
|
|
QString local_user_;
|
|
|
|
bool isPaginationInProgress_ = false;
|
|
bool isInitialized = false;
|
|
bool isTimelineFinished = false;
|
|
bool isInitialSync = true;
|
|
|
|
const int SCROLL_BAR_GAP = 300;
|
|
|
|
int scroll_height_ = 0;
|
|
int previous_max_height_ = 0;
|
|
|
|
QList<PendingMessage> pending_msgs_;
|
|
QSharedPointer<MatrixClient> client_;
|
|
};
|
|
|
|
#endif // HISTORY_VIEW_H
|