88 lines
2.1 KiB
C++
88 lines
2.1 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 "media/clip/media_clip_reader.h"
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#include "ui/effects/animations.h"
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#include "data/data_file_origin.h"
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#include "ui/rp_widget.h"
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namespace Data {
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class PhotoMedia;
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class DocumentMedia;
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} // namespace Data
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namespace Lottie {
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class SinglePlayer;
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} // namespace Lottie
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namespace Window {
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class SessionController;
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class MediaPreviewWidget : public Ui::RpWidget, private base::Subscriber {
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public:
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MediaPreviewWidget(
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QWidget *parent,
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not_null<Window::SessionController*> controller);
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void showPreview(
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Data::FileOrigin origin,
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not_null<DocumentData*> document);
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void showPreview(
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Data::FileOrigin origin,
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not_null<PhotoData*> photo);
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void hidePreview();
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~MediaPreviewWidget();
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protected:
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void paintEvent(QPaintEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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private:
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void validateGifAnimation();
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void startGifAnimation(const Media::Clip::ReaderPointer &gif);
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QSize currentDimensions() const;
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QPixmap currentImage() const;
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void setupLottie();
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void startShow();
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void fillEmojiString();
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void resetGifAndCache();
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[[nodiscard]] QRect updateArea() const;
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not_null<Window::SessionController*> _controller;
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Ui::Animations::Simple _a_shown;
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bool _hiding = false;
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Data::FileOrigin _origin;
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PhotoData *_photo = nullptr;
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DocumentData *_document = nullptr;
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std::shared_ptr<Data::PhotoMedia> _photoMedia;
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std::shared_ptr<Data::DocumentMedia> _documentMedia;
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Media::Clip::ReaderPointer _gif, _gifThumbnail;
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crl::time _gifLastPosition = 0;
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std::unique_ptr<Lottie::SinglePlayer> _lottie;
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int _emojiSize;
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std::vector<not_null<EmojiPtr>> _emojiList;
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void clipCallback(Media::Clip::Notification notification);
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enum CacheStatus {
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CacheNotLoaded,
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CacheThumbLoaded,
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CacheLoaded,
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};
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mutable CacheStatus _cacheStatus = CacheNotLoaded;
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mutable QPixmap _cache;
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mutable QSize _cachedSize;
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};
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} // namespace Window
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