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61 lines
2.0 KiB
61 lines
2.0 KiB
/*
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* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <QImage>
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#include <QSharedPointer>
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#include <QUrl>
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#include <functional>
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class MatrixClient;
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class TimelineItem;
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//! Saved cache data per user.
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struct AvatarData
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{
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//! The avatar image of the user.
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QImage img;
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//! The url that was used to download the avatar.
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QUrl url;
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};
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class AvatarProvider : public QObject
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{
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Q_OBJECT
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public:
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static void init(QSharedPointer<MatrixClient> client);
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//! The callback is called with the downloaded avatar for the given user
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//! or the avatar is downloaded first and then saved for re-use.
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static void resolve(const QString &userId,
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QObject *receiver,
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std::function<void(QImage)> callback);
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//! Used to initialize the mapping user -> avatar url.
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static void setAvatarUrl(const QString &userId, const QUrl &url);
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//! Remove all saved data.
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static void clear() { avatars_.clear(); };
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private:
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//! Update the cache with the downloaded avatar.
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static void updateAvatar(const QString &uid, const QImage &img);
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static QSharedPointer<MatrixClient> client_;
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using UserID = QString;
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static std::map<UserID, AvatarData> avatars_;
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};
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