init

Telegram/SourceFiles/ui/chat/attach/attach_single_media_preview.h

@@ -0,0 +1,62 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/chat/attach/attach_abstract_single_media_preview.h"
+#include "media/clip/media_clip_reader.h"
+
+namespace Lottie {
+class SinglePlayer;
+} // namespace Lottie
+
+namespace Ui {
+
+struct PreparedFile;
+
+class SingleMediaPreview final : public AbstractSingleMediaPreview {
+public:
+	static SingleMediaPreview *Create(
+		QWidget *parent,
+		const style::ComposeControls &st,
+		Fn<bool()> gifPaused,
+		const PreparedFile &file,
+		Fn<bool(AttachActionType)> actionAllowed,
+		AttachControls::Type type = AttachControls::Type::Full);
+
+	SingleMediaPreview(
+		QWidget *parent,
+		const style::ComposeControls &st,
+		Fn<bool()> gifPaused,
+		QImage preview,
+		bool animated,
+		bool sticker,
+		bool spoiler,
+		const QString &animatedPreviewPath,
+		AttachControls::Type type,
+		Fn<bool(AttachActionType)> actionAllowed);
+
+protected:
+	bool supportsSpoilers() const override;
+	bool drawBackground() const override;
+	bool tryPaintAnimation(QPainter &p) override;
+	bool isAnimatedPreviewReady() const override;
+
+private:
+	void prepareAnimatedPreview(
+		const QString &animatedPreviewPath,
+		bool animated);
+	void clipCallback(Media::Clip::Notification notification);
+
+	const Fn<bool()> _gifPaused;
+	const bool _sticker = false;
+	Media::Clip::ReaderPointer _gifPreview;
+	std::unique_ptr<Lottie::SinglePlayer> _lottiePreview;
+
+};
+
+} // namespace Ui