tdesktop/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "layout.h"
#include "ui/text/text.h"
namespace InlineBots {
class Result;
namespace Layout {
class PaintContext : public PaintContextBase {
public:
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PaintContext(TimeMs ms, bool selecting, bool paused, bool lastRow)
: PaintContextBase(ms, selecting)
, paused(paused)
, lastRow(lastRow) {
}
bool paused, lastRow;
};
// this type used as a flag, we dynamic_cast<> to it
class SendClickHandler : public ClickHandler {
public:
void onClick(Qt::MouseButton) 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;
};
class ItemBase : public LayoutItemBase {
public:
ItemBase(not_null<Context*> context, Result *result) : _result(result), _context(context) {
}
ItemBase(not_null<Context*> context, DocumentData *doc) : _doc(doc), _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 void setPosition(int32 position);
int32 position() const;
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;
void update();
void layoutChanged();
// ClickHandlerHost interface
void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override {
update();
}
void clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) override {
update();
}
static std::unique_ptr<ItemBase> createLayout(not_null<Context*> context, Result *result, bool forceThumb);
static std::unique_ptr<ItemBase> createLayoutGif(not_null<Context*> context, DocumentData *document);
protected:
DocumentData *getResultDocument() const;
PhotoData *getResultPhoto() const;
ImagePtr getResultThumb() const;
QPixmap getResultContactAvatar(int width, int height) const;
int getResultDuration() const;
QString getResultUrl() const;
ClickHandlerPtr getResultUrlHandler() const;
ClickHandlerPtr getResultContentUrlHandler() const;
QString getResultThumbLetter() const;
not_null<Context*> context() const {
return _context;
}
Result *_result = nullptr;
DocumentData *_doc = nullptr;
PhotoData *_photo = nullptr;
ClickHandlerPtr _send = ClickHandlerPtr{ new SendClickHandler() };
int _position = 0; // < 0 means removed from layout
private:
not_null<Context*> _context;
};
using DocumentItems = QMap<DocumentData*, OrderedSet<ItemBase*>>;
const DocumentItems *documentItems();
namespace internal {
void regDocumentItem(DocumentData *document, ItemBase *item);
void unregDocumentItem(DocumentData *document, ItemBase *item);
} // namespace internal
} // namespace Layout
} // namespace InlineBots