tdesktop/Telegram/SourceFiles/profile/profile_block_invite_link.cpp
2017-06-29 11:39:38 +03:00

119 lines
3.7 KiB
C++

/*
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
*/
#include "profile/profile_block_invite_link.h"
#include "styles/style_profile.h"
#include "ui/widgets/labels.h"
#include "ui/toast/toast.h"
#include "boxes/confirm_box.h"
#include "observer_peer.h"
#include "mainwindow.h"
#include "lang/lang_keys.h"
namespace Profile {
using UpdateFlag = Notify::PeerUpdate::Flag;
InviteLinkWidget::InviteLinkWidget(QWidget *parent, PeerData *peer) : BlockWidget(parent, peer, lang(lng_profile_invite_link_section)) {
auto observeEvents = UpdateFlag::InviteLinkChanged | UpdateFlag::UsernameChanged;
subscribe(Notify::PeerUpdated(), Notify::PeerUpdatedHandler(observeEvents, [this](const Notify::PeerUpdate &update) {
notifyPeerUpdated(update);
}));
refreshLink();
refreshVisibility();
}
void InviteLinkWidget::notifyPeerUpdated(const Notify::PeerUpdate &update) {
if (update.peer != peer()) {
return;
}
if (update.flags & (UpdateFlag::InviteLinkChanged | UpdateFlag::UsernameChanged)) {
refreshLink();
refreshVisibility();
contentSizeUpdated();
}
}
int InviteLinkWidget::resizeGetHeight(int newWidth) {
int newHeight = contentTop();
int marginLeft = st::profileBlockTextPart.margin.left();
int marginRight = st::profileBlockTextPart.margin.right();
int left = st::profileBlockTitlePosition.x();
if (_link) {
int textWidth = _link->naturalWidth();
int availableWidth = newWidth - left - st::profileBlockMarginRight;
int maxWidth = st::msgMaxWidth;
accumulate_min(textWidth, availableWidth);
accumulate_min(textWidth, st::msgMaxWidth);
_link->resizeToWidth(textWidth + marginLeft + marginRight);
_link->moveToLeft(left - marginLeft, newHeight - st::profileBlockTextPart.margin.top());
newHeight += _link->height();
}
newHeight += st::profileBlockMarginBottom;
return newHeight;
}
void InviteLinkWidget::refreshVisibility() {
setVisible(_link != nullptr);
}
QString InviteLinkWidget::getInviteLink() const {
if (auto chat = peer()->asChat()) {
return chat->inviteLink();
} else if (auto channel = peer()->asChannel()) {
return channel->isPublic() ? QString() : channel->inviteLink();
}
return QString();
};
void InviteLinkWidget::refreshLink() {
_link.destroy();
TextWithEntities linkData = { getInviteLink(), EntitiesInText() };
if (linkData.text.isEmpty()) {
_link.destroy();
} else {
_link.create(this, QString(), Ui::FlatLabel::InitType::Simple, st::profileInviteLinkText);
_link->show();
linkData.entities.push_back(EntityInText(EntityInTextUrl, 0, linkData.text.size()));
_link->setMarkedText(linkData);
_link->setSelectable(true);
_link->setContextCopyText(QString());
_link->setClickHandlerHook([this](const ClickHandlerPtr &handler, Qt::MouseButton button) {
auto link = getInviteLink();
if (link.isEmpty()) {
return true;
}
QApplication::clipboard()->setText(link);
Ui::Toast::Show(lang(lng_group_invite_copied));
return false;
});
}
}
} // namespace Profile