66 lines
2.0 KiB
C++
66 lines
2.0 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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#include "core/click_handler.h"
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ClickHandlerHost::~ClickHandlerHost() {
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ClickHandler::hostDestroyed(this);
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}
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NeverFreedPointer<ClickHandlerPtr> ClickHandler::_active;
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NeverFreedPointer<ClickHandlerPtr> ClickHandler::_pressed;
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ClickHandlerHost *ClickHandler::_activeHost = nullptr;
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ClickHandlerHost *ClickHandler::_pressedHost = nullptr;
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bool ClickHandler::setActive(const ClickHandlerPtr &p, ClickHandlerHost *host) {
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if ((_active && (*_active == p)) || (!_active && !p)) {
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return false;
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}
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// emit clickHandlerActiveChanged only when there is no
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// other pressed click handler currently, if there is
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// this method will be called when it is unpressed
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if (_active && *_active) {
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const auto emitClickHandlerActiveChanged = false
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|| !_pressed
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|| !*_pressed
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|| (*_pressed == *_active);
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const auto wasactive = base::take(*_active);
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if (_activeHost) {
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if (emitClickHandlerActiveChanged) {
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_activeHost->clickHandlerActiveChanged(wasactive, false);
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}
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_activeHost = nullptr;
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}
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}
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if (p) {
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_active.createIfNull();
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*_active = p;
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if ((_activeHost = host)) {
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bool emitClickHandlerActiveChanged = (!_pressed || !*_pressed || *_pressed == *_active);
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if (emitClickHandlerActiveChanged) {
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_activeHost->clickHandlerActiveChanged(*_active, true);
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}
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}
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}
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return true;
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}
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QString ClickHandler::getExpandedLinkText(ExpandLinksMode mode, const QStringRef &textPart) const {
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return QString();
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}
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TextWithEntities ClickHandler::getExpandedLinkTextWithEntities(ExpandLinksMode mode, int entityOffset, const QStringRef &textPart) const {
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return { QString(), EntitiesInText() };
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}
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TextWithEntities ClickHandler::simpleTextWithEntity(const EntityInText &entity) const {
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TextWithEntities result;
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result.entities.push_back(entity);
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return result;
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}
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