tdesktop/Telegram/SourceFiles/boxes/edit_privacy_box.cpp

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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
*/
#include "boxes/edit_privacy_box.h"
#include "styles/style_boxes.h"
#include "ui/widgets/checkbox.h"
#include "ui/widgets/labels.h"
#include "ui/widgets/buttons.h"
#include "ui/effects/widget_slide_wrap.h"
#include "boxes/peer_list_box.h"
#include "apiwrap.h"
#include "lang.h"
namespace {
class PrivacyExceptionsBoxController : public ChatsListBoxController {
public:
PrivacyExceptionsBoxController(const QString &title, const QVector<UserData*> &selected, base::lambda_once<void(QVector<UserData*> &&result)> saveCallback);
void rowClicked(PeerListBox::Row *row) override;
protected:
void prepareViewHook() override;
std::unique_ptr<Row> createRow(History *history) override;
private:
QString _title;
QVector<UserData*> _selected;
base::lambda_once<void(QVector<UserData*> &&result)> _saveCallback;
};
PrivacyExceptionsBoxController::PrivacyExceptionsBoxController(const QString &title, const QVector<UserData*> &selected, base::lambda_once<void(QVector<UserData*> &&result)> saveCallback)
: _title(title)
, _selected(selected)
, _saveCallback(std::move(saveCallback)) {
}
void PrivacyExceptionsBoxController::prepareViewHook() {
view()->setTitle(_title);
view()->addButton(lang(lng_settings_save), [this] {
auto peers = view()->collectSelectedRows();
auto users = QVector<UserData*>();
if (!peers.empty()) {
users.reserve(peers.size());
for_const (auto peer, peers) {
auto user = peer->asUser();
t_assert(user != nullptr);
users.push_back(user);
}
}
_saveCallback(std::move(users));
view()->closeBox();
});
view()->addButton(lang(lng_cancel), [this] { view()->closeBox(); });
view()->addSelectedRows(_selected);
}
void PrivacyExceptionsBoxController::rowClicked(PeerListBox::Row *row) {
view()->setRowChecked(row, !row->checked());
}
std::unique_ptr<PrivacyExceptionsBoxController::Row> PrivacyExceptionsBoxController::createRow(History *history) {
if (auto user = history->peer->asUser()) {
if (!user->isSelf()) {
return std::make_unique<Row>(history);
}
}
return std::unique_ptr<Row>();
}
} // namespace
EditPrivacyBox::EditPrivacyBox(QWidget*, std::unique_ptr<Controller> controller) : BoxContent()
, _controller(std::move(controller))
, _loading(this, lang(lng_contacts_loading), Ui::FlatLabel::InitType::Simple, st::membersAbout) {
}
void EditPrivacyBox::prepare() {
_controller->setView(this);
setTitle(_controller->title());
addButton(lang(lng_cancel), [this] { closeBox(); });
loadData();
setDimensions(st::boxWideWidth, countDefaultHeight(st::boxWideWidth));
}
int EditPrivacyBox::resizeGetHeight(int newWidth) {
auto top = 0;
auto layoutRow = [this, newWidth, &top](auto &widget, style::margins padding) {
if (!widget) return;
widget->resizeToNaturalWidth(newWidth - padding.left() - padding.right());
widget->moveToLeft(padding.left(), top + padding.top());
top = widget->bottomNoMargins() + padding.bottom();
};
layoutRow(_description, st::editPrivacyPadding);
layoutRow(_everyone, st::editPrivacyOptionMargin);
layoutRow(_contacts, st::editPrivacyOptionMargin);
layoutRow(_nobody, st::editPrivacyOptionMargin);
layoutRow(_warning, st::editPrivacyWarningPadding);
layoutRow(_exceptionsTitle, st::editPrivacyPadding);
auto linksTop = top;
layoutRow(_alwaysLink, st::editPrivacyPadding);
layoutRow(_neverLink, st::editPrivacyPadding);
auto linksHeight = top - linksTop;
layoutRow(_exceptionsDescription, st::editPrivacyPadding);
// Add full width of both links in any case
auto linkMargins = exceptionLinkMargins();
top -= linksHeight;
top += linkMargins.top() + st::boxLinkButton.font->height + linkMargins.bottom();
top += linkMargins.top() + st::boxLinkButton.font->height + linkMargins.bottom();
return top;
}
void EditPrivacyBox::resizeEvent(QResizeEvent *e) {
if (_loading) {
_loading->moveToLeft((width() - _loading->width()) / 2, height() / 3);
}
}
int EditPrivacyBox::countDefaultHeight(int newWidth) {
auto height = 0;
auto optionHeight = [this](Option option) {
if (!_controller->hasOption(option)) {
return 0;
}
return st::editPrivacyOptionMargin.top() + st::defaultBoxCheckbox.height + st::editPrivacyOptionMargin.bottom();
};
auto labelHeight = [this, newWidth](const QString &text, const style::FlatLabel &st, style::margins padding) {
if (text.isEmpty()) {
return 0;
}
auto fake = object_ptr<Ui::FlatLabel>(nullptr, text, Ui::FlatLabel::InitType::Simple, st);
fake->resizeToNaturalWidth(newWidth - padding.left() - padding.right());
return padding.top() + fake->heightNoMargins() + padding.bottom();
};
auto linkHeight = [this]() {
auto linkMargins = exceptionLinkMargins();
return linkMargins.top() + st::boxLinkButton.font->height + linkMargins.bottom();
};
height += labelHeight(_controller->description(), st::editPrivacyLabel, st::editPrivacyPadding);
height += optionHeight(Option::Everyone);
height += optionHeight(Option::Contacts);
height += optionHeight(Option::Nobody);
height += labelHeight(_controller->warning(), st::editPrivacyLabel, st::editPrivacyWarningPadding);
height += labelHeight(lang(lng_edit_privacy_exceptions), st::editPrivacyTitle, st::editPrivacyPadding);
height += linkHeight();
height += linkHeight();
height += labelHeight(_controller->exceptionsDescription(), st::editPrivacyLabel, st::editPrivacyPadding);
return height;
}
void EditPrivacyBox::editExceptionUsers(Exception exception) {
auto controller = std::make_unique<PrivacyExceptionsBoxController>(_controller->exceptionBoxTitle(exception), exceptionUsers(exception), base::lambda_guarded(this, [this, exception](QVector<UserData*> &&users) {
exceptionUsers(exception) = std::move(users);
exceptionLink(exception)->entity()->setText(exceptionLinkText(exception));
auto removeFrom = ([exception] {
switch (exception) {
case Exception::Always: return Exception::Never;
case Exception::Never: return Exception::Always;
}
Unexpected("Invalid exception value.");
})();
auto &removeFromUsers = exceptionUsers(removeFrom);
auto removedSome = false;
for (auto user : exceptionUsers(exception)) {
if (removeFromUsers.contains(user)) {
removeFromUsers.erase(std::remove(removeFromUsers.begin(), removeFromUsers.end(), user), removeFromUsers.end());
removedSome = true;
}
}
if (removedSome) {
exceptionLink(removeFrom)->entity()->setText(exceptionLinkText(removeFrom));
}
}));
Ui::show(Box<PeerListBox>(std::move(controller)), KeepOtherLayers);
}
QString EditPrivacyBox::exceptionLinkText(Exception exception) {
return _controller->exceptionLinkText(exception, exceptionUsers(exception).size());
}
QVector<MTPInputPrivacyRule> EditPrivacyBox::collectResult() {
auto collectInputUsers = [](auto &users) {
auto result = QVector<MTPInputUser>();
result.reserve(users.size());
for (auto user : users) {
result.push_back(user->inputUser);
}
return result;
};
constexpr auto kMaxRules = 3; // allow users, disallow users, option
auto result = QVector<MTPInputPrivacyRule>();
result.reserve(kMaxRules);
if (showExceptionLink(Exception::Always) && !_alwaysUsers.empty()) {
result.push_back(MTP_inputPrivacyValueAllowUsers(MTP_vector<MTPInputUser>(collectInputUsers(_alwaysUsers))));
}
if (showExceptionLink(Exception::Never) && !_neverUsers.empty()) {
result.push_back(MTP_inputPrivacyValueDisallowUsers(MTP_vector<MTPInputUser>(collectInputUsers(_neverUsers))));
}
switch (_option) {
case Option::Everyone: result.push_back(MTP_inputPrivacyValueAllowAll()); break;
case Option::Contacts: result.push_back(MTP_inputPrivacyValueAllowContacts()); break;
case Option::Nobody: result.push_back(MTP_inputPrivacyValueDisallowAll()); break;
}
return result;
}
style::margins EditPrivacyBox::exceptionLinkMargins() const {
return st::editPrivacyLinkMargin;
}
QVector<UserData*> &EditPrivacyBox::exceptionUsers(Exception exception) {
switch (exception) {
case Exception::Always: return _alwaysUsers;
case Exception::Never: return _neverUsers;
}
Unexpected("Invalid exception value.");
}
object_ptr<Ui::WidgetSlideWrap<Ui::LinkButton>> &EditPrivacyBox::exceptionLink(Exception exception) {
switch (exception) {
case Exception::Always: return _alwaysLink;
case Exception::Never: return _neverLink;
}
Unexpected("Invalid exception value.");
}
bool EditPrivacyBox::showExceptionLink(Exception exception) const {
switch (exception) {
case Exception::Always: return (_option == Option::Contacts) || (_option == Option::Nobody);
case Exception::Never: return (_option == Option::Everyone) || (_option == Option::Contacts);
}
Unexpected("Invalid exception value.");
}
void EditPrivacyBox::createWidgets() {
_loading.destroy();
_optionGroup = std::make_shared<Ui::RadioenumGroup<Option>>(_option);
auto createOption = [this](object_ptr<Ui::Radioenum<Option>> &widget, Option option, const QString &label) {
if (_controller->hasOption(option) || (_option == option)) {
widget.create(this, _optionGroup, option, label, st::defaultBoxCheckbox);
}
};
auto createLabel = [this](object_ptr<Ui::FlatLabel> &widget, const QString &text, const style::FlatLabel &st) {
if (text.isEmpty()) {
return;
}
widget.create(this, text, Ui::FlatLabel::InitType::Simple, st);
};
auto createExceptionLink = [this](Exception exception) {
exceptionLink(exception).create(this, object_ptr<Ui::LinkButton>(this, exceptionLinkText(exception)), exceptionLinkMargins(), [this] {
resizeGetHeight(width());
});
exceptionLink(exception)->entity()->setClickedCallback([this, exception] { editExceptionUsers(exception); });
};
createLabel(_description, _controller->description(), st::editPrivacyLabel);
createOption(_everyone, Option::Everyone, lang(lng_edit_privacy_everyone));
createOption(_contacts, Option::Contacts, lang(lng_edit_privacy_contacts));
createOption(_nobody, Option::Nobody, lang(lng_edit_privacy_nobody));
createLabel(_warning, _controller->warning(), st::editPrivacyLabel);
createLabel(_exceptionsTitle, lang(lng_edit_privacy_exceptions), st::editPrivacyTitle);
createExceptionLink(Exception::Always);
createExceptionLink(Exception::Never);
createLabel(_exceptionsDescription, _controller->exceptionsDescription(), st::editPrivacyLabel);
clearButtons();
addButton(lang(lng_settings_save), [this] {
auto someAreDisallowed = (_option != Option::Everyone) || !_neverUsers.empty();
_controller->confirmSave(someAreDisallowed, base::lambda_guarded(this, [this] {
App::api()->savePrivacy(_controller->key(), collectResult());
closeBox();
}));
});
addButton(lang(lng_cancel), [this] { closeBox(); });
_optionGroup->setChangedCallback([this](Option value) {
_option = value;
_alwaysLink->toggleAnimated(showExceptionLink(Exception::Always));
_neverLink->toggleAnimated(showExceptionLink(Exception::Never));
});
showChildren();
_alwaysLink->toggleFast(showExceptionLink(Exception::Always));
_neverLink->toggleFast(showExceptionLink(Exception::Never));
setDimensions(st::boxWideWidth, resizeGetHeight(st::boxWideWidth));
}
void EditPrivacyBox::loadData() {
request(MTPaccount_GetPrivacy(_controller->key())).done([this](const MTPaccount_PrivacyRules &result) {
Expects(result.type() == mtpc_account_privacyRules);
auto &rules = result.c_account_privacyRules();
App::feedUsers(rules.vusers);
// This is simplified version of privacy rules interpretation.
// But it should be fine for all the apps that use the same subset of features.
auto optionSet = false;
auto setOption = [this, &optionSet](Option option) {
if (optionSet) return;
optionSet = true;
_option = option;
};
auto feedRule = [this, &setOption](const MTPPrivacyRule &rule) {
switch (rule.type()) {
case mtpc_privacyValueAllowAll: setOption(Option::Everyone); break;
case mtpc_privacyValueAllowContacts: setOption(Option::Contacts); break;
case mtpc_privacyValueAllowUsers: {
auto &users = rule.c_privacyValueAllowUsers().vusers.v;
_alwaysUsers.reserve(_alwaysUsers.size() + users.size());
for (auto &userId : users) {
auto user = App::user(UserId(userId.v));
if (!_neverUsers.contains(user) && !_alwaysUsers.contains(user)) {
_alwaysUsers.push_back(user);
}
}
} break;
case mtpc_privacyValueDisallowContacts: // not supported, fall through
case mtpc_privacyValueDisallowAll: setOption(Option::Nobody); break;
case mtpc_privacyValueDisallowUsers: {
auto &users = rule.c_privacyValueDisallowUsers().vusers.v;
_neverUsers.reserve(_neverUsers.size() + users.size());
for (auto &userId : users) {
auto user = App::user(UserId(userId.v));
if (!_alwaysUsers.contains(user) && !_neverUsers.contains(user)) {
_neverUsers.push_back(user);
}
}
} break;
}
};
for (auto &rule : rules.vrules.v) {
feedRule(rule);
}
feedRule(MTP_privacyValueDisallowAll()); // disallow by default.
createWidgets();
}).send();
}