tdesktop/Telegram/SourceFiles/history/history_location_manager.h

121 lines
3.0 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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.
It 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.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
void initLocationManager();
void reinitLocationManager();
void deinitLocationManager();
struct LocationCoords {
LocationCoords() : lat(0), lon(0) {
}
LocationCoords(float64 lat, float64 lon) : lat(lat), lon(lon) {
}
LocationCoords(const MTPDgeoPoint &point) : lat(point.vlat.v), lon(point.vlong.v) {
}
float64 lat, lon;
};
inline bool operator==(const LocationCoords &a, const LocationCoords &b) {
return (a.lat == b.lat) && (a.lon == b.lon);
}
inline bool operator<(const LocationCoords &a, const LocationCoords &b) {
return (a.lat < b.lat) || ((a.lat == b.lat) && (a.lon < b.lon));
}
inline uint qHash(const LocationCoords &t, uint seed = 0) {
#ifndef OS_MAC_OLD
return qHash(QtPrivate::QHashCombine().operator()(qHash(t.lat), t.lon), seed);
#else // OS_MAC_OLD
uint h1 = qHash(t.lat, seed);
uint h2 = qHash(t.lon, seed);
return ((h1 << 16) | (h1 >> 16)) ^ h2 ^ seed;
#endif // OS_MAC_OLD
}
struct LocationData {
LocationData(const LocationCoords &coords) : coords(coords), loading(false) {
}
LocationCoords coords;
ImagePtr thumb;
bool loading;
void load();
};
class LocationClickHandler : public ClickHandler {
public:
LocationClickHandler(const LocationCoords &coords) : _coords(coords) {
setup();
}
void onClick(Qt::MouseButton button) const override;
QString tooltip() const override {
return QString();
}
QString dragText() const override {
return _text;
}
void copyToClipboard() const override {
if (!_text.isEmpty()) {
QApplication::clipboard()->setText(_text);
}
}
QString copyToClipboardContextItemText() const override;
private:
void setup();
LocationCoords _coords;
QString _text;
};
class LocationManager : public QObject {
Q_OBJECT
public:
void init();
void reinit();
void deinit();
void getData(LocationData *data);
~LocationManager() {
deinit();
}
public slots:
void onFinished(QNetworkReply *reply);
void onFailed(QNetworkReply *reply);
private:
void failed(LocationData *data);
QNetworkAccessManager *manager = nullptr;
QMap<QNetworkReply*, LocationData*> dataLoadings, imageLoadings;
QMap<LocationData*, int32> serverRedirects;
ImagePtr *notLoadedPlaceholder = nullptr;
};