362 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			362 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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It 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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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "inline_bots/inline_bot_layout_item.h"
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#include "ui/effects/radial_animation.h"
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#include "ui/text/text.h"
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namespace InlineBots {
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namespace Layout {
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namespace internal {
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class FileBase : public ItemBase {
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public:
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	FileBase(gsl::not_null<Context*> context, Result *result);
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	// for saved gif layouts
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	FileBase(gsl::not_null<Context*> context, DocumentData *doc);
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protected:
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	DocumentData *getShownDocument() const;
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	int content_width() const;
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	int content_height() const;
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	int content_duration() const;
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	ImagePtr content_thumb() const;
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};
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class DeleteSavedGifClickHandler : public LeftButtonClickHandler {
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public:
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	DeleteSavedGifClickHandler(DocumentData *data) : _data(data) {
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	}
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protected:
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	void onClickImpl() const override;
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private:
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	DocumentData  *_data;
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};
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class Gif : public FileBase {
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public:
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	Gif(gsl::not_null<Context*> context, Result *result);
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	Gif(gsl::not_null<Context*> context, DocumentData *doc, bool hasDeleteButton);
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	void setPosition(int32 position) override;
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	void initDimensions() override;
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	bool isFullLine() const override {
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		return false;
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	}
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	bool hasRightSkip() const override {
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		return true;
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	}
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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	// ClickHandlerHost interface
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	void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override;
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private:
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	QSize countFrameSize() const;
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	enum class StateFlag {
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		Over = 0x01,
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		DeleteOver = 0x02,
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	};
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	Q_DECLARE_FLAGS(StateFlags, StateFlag);
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	StateFlags _state;
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	friend inline StateFlags operator~(StateFlag flag) {
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		return ~StateFlags(flag);
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	}
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	Media::Clip::ReaderPointer _gif;
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	ClickHandlerPtr _delete;
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	mutable QPixmap _thumb;
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	void prepareThumb(int32 width, int32 height, const QSize &frame) const;
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	void ensureAnimation() const;
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	bool isRadialAnimation(TimeMs ms) const;
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	void step_radial(TimeMs ms, bool timer);
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	void clipCallback(Media::Clip::Notification notification);
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	struct AnimationData {
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		AnimationData(AnimationCallbacks &&callbacks)
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			: over(false)
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			, radial(std::move(callbacks)) {
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		}
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		bool over;
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		Animation _a_over;
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		Ui::RadialAnimation radial;
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	};
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	mutable std::unique_ptr<AnimationData> _animation;
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	mutable Animation _a_deleteOver;
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};
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class Photo : public ItemBase {
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public:
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	Photo(gsl::not_null<Context*> context, Result *result);
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	// Not used anywhere currently.
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	//Photo(gsl::not_null<Context*> context, PhotoData *photo);
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	void initDimensions() override;
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	bool isFullLine() const override {
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		return false;
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	}
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	bool hasRightSkip() const override {
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		return true;
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	}
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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private:
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	PhotoData *getShownPhoto() const;
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	QSize countFrameSize() const;
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	mutable QPixmap _thumb;
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	mutable bool _thumbLoaded = false;
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	void prepareThumb(int32 width, int32 height, const QSize &frame) const;
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};
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class Sticker : public FileBase {
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public:
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	Sticker(gsl::not_null<Context*> context, Result *result);
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	// Not used anywhere currently.
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	//Sticker(gsl::not_null<Context*> context, DocumentData *document);
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	void initDimensions() override;
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	bool isFullLine() const override {
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		return false;
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	}
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	bool hasRightSkip() const override {
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		return false;
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	}
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	void preload() const override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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	// ClickHandlerHost interface
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	void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override;
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private:
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	QSize getThumbSize() const;
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	mutable Animation _a_over;
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	mutable bool _active = false;
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	mutable QPixmap _thumb;
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	mutable bool _thumbLoaded = false;
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	void prepareThumb() const;
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};
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class Video : public FileBase {
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public:
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	Video(gsl::not_null<Context*> context, Result *result);
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	void initDimensions() override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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private:
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	ClickHandlerPtr _link;
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	mutable QPixmap _thumb;
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	Text _title, _description;
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	QString _duration;
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	int _durationWidth = 0;
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	void prepareThumb(int32 width, int32 height) const;
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};
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class OpenFileClickHandler : public LeftButtonClickHandler {
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public:
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	OpenFileClickHandler(Result *result) : _result(result) {
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	}
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protected:
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	void onClickImpl() const override;
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private:
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	Result *_result;
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};
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class CancelFileClickHandler : public LeftButtonClickHandler {
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public:
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	CancelFileClickHandler(Result *result) : _result(result) {
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	}
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protected:
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	void onClickImpl() const override;
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private:
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	Result *_result;
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};
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class File : public FileBase {
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public:
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	File(gsl::not_null<Context*> context, Result *result);
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	void initDimensions() override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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	// ClickHandlerHost interface
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	void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override;
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	~File();
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private:
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	void thumbAnimationCallback();
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	void step_radial(TimeMs ms, bool timer);
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	void ensureAnimation() const;
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	void checkAnimationFinished() const;
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	bool updateStatusText() const;
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	bool isRadialAnimation(TimeMs ms) const {
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		if (!_animation || !_animation->radial.animating()) return false;
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		_animation->radial.step(ms);
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		return _animation && _animation->radial.animating();
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	}
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	bool isThumbAnimation(TimeMs ms) const {
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		if (_animation) {
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			if (_animation->a_thumbOver.animating(ms)) {
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				return true;
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			}
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			checkAnimationFinished();
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		}
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		return false;
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	}
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	struct AnimationData {
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		AnimationData(AnimationCallbacks &&radialCallbacks) : radial(std::move(radialCallbacks)) {
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		}
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		Animation a_thumbOver;
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		Ui::RadialAnimation radial;
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	};
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	mutable std::unique_ptr<AnimationData> _animation;
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	Text _title, _description;
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	ClickHandlerPtr _open, _cancel;
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	// >= 0 will contain download / upload string, _statusSize = loaded bytes
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	// < 0 will contain played string, _statusSize = -(seconds + 1) played
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	// 0x7FFFFFF0 will contain status for not yet downloaded file
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	// 0x7FFFFFF1 will contain status for already downloaded file
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	// 0x7FFFFFF2 will contain status for failed to download / upload file
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	mutable int32 _statusSize;
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	mutable QString _statusText;
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	// duration = -1 - no duration, duration = -2 - "GIF" duration
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	void setStatusSize(int32 newSize, int32 fullSize, int32 duration, qint64 realDuration) const;
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};
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class Contact : public ItemBase {
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public:
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	Contact(gsl::not_null<Context*> context, Result *result);
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	void initDimensions() override;
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	int resizeGetHeight(int width) override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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private:
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	mutable QPixmap _thumb;
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	Text _title, _description;
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	void prepareThumb(int width, int height) const;
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};
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class Article : public ItemBase {
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public:
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	Article(gsl::not_null<Context*> context, Result *result, bool withThumb);
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	void initDimensions() override;
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	int resizeGetHeight(int width) override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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private:
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	ClickHandlerPtr _url, _link;
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	bool _withThumb;
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	mutable QPixmap _thumb;
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	Text _title, _description;
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	QString _thumbLetter, _urlText;
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	int32 _urlWidth;
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	void prepareThumb(int width, int height) const;
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};
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class Game : public ItemBase {
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public:
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	Game(gsl::not_null<Context*> context, Result *result);
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	void setPosition(int32 position) override;
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	void initDimensions() override;
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	void paint(Painter &p, const QRect &clip, const PaintContext *context) const override;
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	void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const override;
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private:
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	void countFrameSize();
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	void prepareThumb(int32 width, int32 height) const;
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	bool isRadialAnimation(TimeMs ms) const;
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	void step_radial(TimeMs ms, bool timer);
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	void clipCallback(Media::Clip::Notification notification);
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	Media::Clip::ReaderPointer _gif;
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	mutable QPixmap _thumb;
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	mutable std::unique_ptr<Ui::RadialAnimation> _radial;
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	Text _title, _description;
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	QSize _frameSize;
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};
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} // namespace internal
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} // namespace Layout
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} // namespace InlineBots
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