79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/image/image.h"
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class DocumentData;
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namespace Data {
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class GoodThumbSource : public Images::Source {
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public:
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explicit GoodThumbSource(not_null<DocumentData*> document);
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void load(
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Data::FileOrigin origin,
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bool loadFirst,
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bool prior) override;
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void loadEvenCancelled(
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Data::FileOrigin origin,
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bool loadFirst,
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bool prior) override;
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QImage takeLoaded() override;
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void unload() override;
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void automaticLoad(
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Data::FileOrigin origin,
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const HistoryItem *item) override;
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void automaticLoadSettingsChanged() override;
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bool loading() override;
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bool displayLoading() override;
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void cancel() override;
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float64 progress() override;
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int loadOffset() override;
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const StorageImageLocation &location() override;
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void refreshFileReference(const QByteArray &data) override;
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std::optional<Storage::Cache::Key> cacheKey() override;
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void setDelayedStorageLocation(
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const StorageImageLocation &location) override;
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void performDelayedLoad(Data::FileOrigin origin) override;
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bool isDelayedStorageImage() const override;
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void setImageBytes(const QByteArray &bytes) override;
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int width() override;
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int height() override;
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int bytesSize() override;
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void setInformation(int size, int width, int height) override;
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QByteArray bytesForCache() override;
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private:
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void generate(base::binary_guard &&guard);
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// NB: This method is called from crl::async(), 'this' is unreliable.
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void ready(
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base::binary_guard &&guard,
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QImage &&image,
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int bytesSize,
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QByteArray &&bytesForCache = {});
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not_null<DocumentData*> _document;
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QImage _loaded;
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base::binary_guard _loading;
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int _width = 0;
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int _height = 0;
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int _bytesSize = 0;
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bool _empty = false;
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};
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} // namespace Data
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