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/*
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 "layout/layout_item_base.h"
#include "ui/text/text.h"
class Image;
namespace Ui {
class PathShiftGradient;
} // namespace Ui
namespace InlineBots {
class Result;
namespace Layout {
class ItemBase;
class PaintContext : public PaintContextBase {
public:
PaintContext(crl::time ms, bool selecting, bool paused, bool lastRow)
: PaintContextBase(ms, selecting)
, paused(paused)
, lastRow(lastRow) {
}
bool paused, lastRow;
Ui::PathShiftGradient *pathGradient = nullptr;
};
// this type used as a flag, we dynamic_cast<> to it
class SendClickHandler : public ClickHandler {
public:
void onClick(ClickContext context) const override {
}
};
class OpenFileClickHandler : public ClickHandler {
public:
void onClick(ClickContext context) const override {
}
};
class Context {
public:
virtual void inlineItemLayoutChanged(const ItemBase *layout) = 0;
virtual bool inlineItemVisible(const ItemBase *item) = 0;
virtual void inlineItemRepaint(const ItemBase *item) = 0;
virtual Data::FileOrigin inlineItemFileOrigin() = 0;
};
class ItemBase : public LayoutItemBase {
public:
ItemBase(not_null<Context*> context, not_null<Result*> result)
: _result(result)
, _context(context) {
}
ItemBase(not_null<Context*> context, not_null<DocumentData*> document)
: _document(document)
, _context(context) {
}
// Not used anywhere currently.
//ItemBase(not_null<Context*> context, PhotoData *photo) : _photo(photo), _context(context) {
//}
virtual void paint(Painter &p, const QRect &clip, const PaintContext *context) const = 0;
virtual bool isFullLine() const {
return true;
}
virtual bool hasRightSkip() const {
return false;
}
Result *getResult() const;
DocumentData *getDocument() const;
PhotoData *getPhoto() const;
// Get document or photo (possibly from InlineBots::Result) for
// showing sticker / GIF / photo preview by long mouse press.
DocumentData *getPreviewDocument() const;
PhotoData *getPreviewPhoto() const;
virtual void preload() const;
virtual void unloadHeavyPart() {
_thumbnail = nullptr;
}
void update() const;
void layoutChanged();
// ClickHandlerHost interface
void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override {
update();
}
void clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) override {
update();
}
virtual QRect innerContentRect() const {
// Only stickers are supported for now.
Unexpected("Unsupported type to get a rect of inner content.");
}
static std::unique_ptr<ItemBase> createLayout(
not_null<Context*> context,
not_null<Result*> result,
bool forceThumb);
static std::unique_ptr<ItemBase> createLayoutGif(
not_null<Context*> context,
not_null<DocumentData*> document);
protected:
DocumentData *getResultDocument() const;
PhotoData *getResultPhoto() const;
bool hasResultThumb() const;
QImage *getResultThumb(Data::FileOrigin origin) const;
QPixmap getResultContactAvatar(int width, int height) const;
int getResultDuration() const;
QString getResultUrl() const;
ClickHandlerPtr getResultUrlHandler() const;
ClickHandlerPtr getResultPreviewHandler() const;
QString getResultThumbLetter() const;
not_null<Context*> context() const {
return _context;
}
Data::FileOrigin fileOrigin() const;
Result *_result = nullptr;
DocumentData *_document = nullptr;
PhotoData *_photo = nullptr;
ClickHandlerPtr _send = ClickHandlerPtr{ new SendClickHandler() };
ClickHandlerPtr _open = ClickHandlerPtr{ new OpenFileClickHandler() };
private:
not_null<Context*> _context;
mutable std::shared_ptr<QImage> _thumbnail;
};
using DocumentItems = std::map<
not_null<const DocumentData*>,
base::flat_set<not_null<ItemBase*>>>;
const DocumentItems *documentItems();
namespace internal {
void regDocumentItem(
not_null<const DocumentData*> document,
not_null<ItemBase*> item);
void unregDocumentItem(
not_null<const DocumentData*> document,
not_null<ItemBase*> item);
} // namespace internal
} // namespace Layout
} // namespace InlineBots
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