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Code Issues Releases Wiki Activity

Allow revoking only sent messages.

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This commit is contained in:
John Preston
2019-03-20 17:02:02 +04:00
parent b972da059a
commit 2701e63406
6 changed files with 84 additions and 57 deletions
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119
Telegram/SourceFiles/boxes/confirm_box.cpp
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@@ -455,8 +455,7 @@ DeleteMessagesBox::DeleteMessagesBox(
QWidget*,
not_null<HistoryItem*> item,
bool suggestModerateActions)
: _ids(1, item->fullId())
, _singleItem(true) {
: _ids(1, item->fullId()) {
if (suggestModerateActions) {
_moderateBan = item->suggestBanReport();
_moderateDeleteAll = item->suggestDeleteAllReport();
@@ -487,44 +486,23 @@ void DeleteMessagesBox::prepare() {
_deleteAll.create(this, lang(lng_delete_all_from), false, st::defaultBoxCheckbox);
}
} else {
text = _singleItem ? lang(lng_selected_delete_sure_this) : lng_selected_delete_sure(lt_count, _ids.size());
auto canDeleteAllForEveryone = true;
auto now = unixtime();
auto deleteForUser = (UserData*)nullptr;
auto peer = (PeerData*)nullptr;
auto forEveryoneText = lang(lng_delete_for_everyone_check);
for (const auto fullId : std::as_const(_ids)) {
if (const auto item = App::histItemById(fullId)) {
peer = item->history()->peer;
if (!item->canDeleteForEveryone(now)) {
canDeleteAllForEveryone = false;
break;
} else if (auto user = item->history()->peer->asUser()) {
if (!deleteForUser || deleteForUser == user) {
deleteForUser = user;
forEveryoneText = lng_delete_for_other_check(
lt_user,
user->firstName);
} else {
forEveryoneText = lang(lng_delete_for_everyone_check);
}
text = (_ids.size() == 1)
? lang(lng_selected_delete_sure_this)
: lng_selected_delete_sure(lt_count, _ids.size());
if (const auto peer = checkFromSinglePeer()) {
auto count = int(_ids.size());
if (const auto revoke = revokeText(peer); !revoke.isEmpty()) {
_revoke.create(this, revoke, false, st::defaultBoxCheckbox);
} else if (peer && peer->isChannel()) {
if (peer->isMegagroup()) {
text += qsl("\n\n") + lng_delete_for_everyone_hint(lt_count, count);
}
} else {
canDeleteAllForEveryone = false;
} else if (peer->isChat()) {
text += qsl("\n\n") + lng_delete_for_me_chat_hint(lt_count, count);
} else if (!peer->isSelf()) {
text += qsl("\n\n") + lng_delete_for_me_hint(lt_count, count);
}
}
auto count = int(_ids.size());
if (canDeleteAllForEveryone) {
_forEveryone.create(this, forEveryoneText, false, st::defaultBoxCheckbox);
} else if (peer && peer->isChannel()) {
if (peer->isMegagroup()) {
text += qsl("\n\n") + lng_delete_for_everyone_hint(lt_count, count);
}
} else if (peer->isChat()) {
text += qsl("\n\n") + lng_delete_for_me_chat_hint(lt_count, count);
} else if (!peer->isSelf()) {
text += qsl("\n\n") + lng_delete_for_me_hint(lt_count, count);
}
}
_text.create(this, text, Ui::FlatLabel::InitType::Simple, st::boxLabel);
@@ -541,12 +519,65 @@ void DeleteMessagesBox::prepare() {
if (_deleteAll) {
fullHeight += st::boxLittleSkip + _deleteAll->heightNoMargins();
}
} else if (_forEveryone) {
fullHeight += st::boxMediumSkip + _forEveryone->heightNoMargins();
} else if (_revoke) {
fullHeight += st::boxMediumSkip + _revoke->heightNoMargins();
}
setDimensions(st::boxWidth, fullHeight);
}
PeerData *DeleteMessagesBox::checkFromSinglePeer() const {
auto result = (PeerData*)nullptr;
for (const auto fullId : std::as_const(_ids)) {
if (const auto item = App::histItemById(fullId)) {
const auto peer = item->history()->peer;
if (!result) {
result = peer;
} else if (result != peer) {
return nullptr;
}
}
}
return result;
}
QString DeleteMessagesBox::revokeText(not_null<PeerData*> peer) const {
const auto items = ranges::view::all(
_ids
) | ranges::view::transform([](FullMsgId id) {
return App::histItemById(id);
}) | ranges::view::filter([](HistoryItem *item) {
return (item != nullptr);
}) | ranges::to_vector;
if (items.size() != _ids.size()) {
// We don't have information about all messages.
return QString();
}
const auto now = unixtime();
const auto cannotRevoke = [&](HistoryItem *item) {
return !item->canDeleteForEveryone(now);
};
const auto canRevokeAll = ranges::find_if(
items,
cannotRevoke
) == end(items);
auto outgoing = items | ranges::view::filter(&HistoryItem::out);
const auto canRevokeAllOutgoing = canRevokeAll ? true : ranges::find_if(
outgoing,
cannotRevoke
) == end(outgoing);
return canRevokeAll
? (peer->isUser()
? lng_delete_for_other_check(
lt_user,
peer->asUser()->firstName)
: lang(lng_delete_for_everyone_check))
: (canRevokeAllOutgoing && (begin(outgoing) != end(outgoing)))
? lang(lng_delete_for_other_my)
: QString();
}
void DeleteMessagesBox::resizeEvent(QResizeEvent *e) {
BoxContent::resizeEvent(e);
@@ -562,10 +593,10 @@ void DeleteMessagesBox::resizeEvent(QResizeEvent *e) {
if (_deleteAll) {
_deleteAll->moveToLeft(st::boxPadding.left(), top);
}
} else if (_forEveryone) {
auto availableWidth = width() - 2 * st::boxPadding.left();
_forEveryone->resizeToNaturalWidth(availableWidth);
_forEveryone->moveToLeft(st::boxPadding.left(), _text->bottomNoMargins() + st::boxMediumSkip);
} else if (_revoke) {
const auto availableWidth = width() - 2 * st::boxPadding.left();
_revoke->resizeToNaturalWidth(availableWidth);
_revoke->moveToLeft(st::boxPadding.left(), _text->bottomNoMargins() + st::boxMediumSkip);
}
}
@@ -621,7 +652,7 @@ void DeleteMessagesBox::deleteAndClear() {
}
}
const auto revoke = _forEveryone ? _forEveryone->checked() : false;
const auto revoke = _revoke ? _revoke->checked() : false;
for (const auto &[peer, ids] : idsByPeer) {
App::main()->deleteMessages(peer, ids, revoke);
}