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CommunitiesList.cpp 12.53 KiB
#include "CommunitiesList.h"
#include "Cache.h"
#include "Logging.h"
#include "MatrixClient.h"
#include "Splitter.h"
#include "UserSettingsPage.h"
#include <mtx/responses/groups.hpp>
#include <nlohmann/json.hpp>
#include <QLabel>
CommunitiesList::CommunitiesList(QWidget *parent)
: QWidget(parent)
{
QSizePolicy sizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
sizePolicy.setHorizontalStretch(0);
sizePolicy.setVerticalStretch(1);
setSizePolicy(sizePolicy);
topLayout_ = new QVBoxLayout(this);
topLayout_->setSpacing(0);
topLayout_->setMargin(0);
const auto sideBarSizes = splitter::calculateSidebarSizes(QFont{});
setFixedWidth(sideBarSizes.groups);
scrollArea_ = new QScrollArea(this);
scrollArea_->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
scrollArea_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
scrollArea_->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
scrollArea_->setWidgetResizable(true);
scrollArea_->setAlignment(Qt::AlignLeading | Qt::AlignTop | Qt::AlignVCenter);
contentsLayout_ = new QVBoxLayout();
contentsLayout_->setSpacing(0);
contentsLayout_->setMargin(0);
addGlobalItem();
contentsLayout_->addStretch(1);
scrollArea_->setLayout(contentsLayout_);
topLayout_->addWidget(scrollArea_);
connect(
this, &CommunitiesList::avatarRetrieved, this, &CommunitiesList::updateCommunityAvatar);
}
void
CommunitiesList::setCommunities(const mtx::responses::JoinedGroups &response)
{
// remove all non-tag communities
auto it = communities_.begin();
while (it != communities_.end()) {
if (it->second->is_tag()) {
++it;
} else {
it = communities_.erase(it);
}
}
addGlobalItem();
for (const auto &group : response.groups)
addCommunity(group);
communities_["world"]->setPressedState(true);
selectedCommunity_ = "world";
emit communityChanged("world");
sortEntries();}
void
CommunitiesList::syncTags(const std::map<QString, RoomInfo> &info)
{
for (const auto &room : info)
setTagsForRoom(room.first, room.second.tags);
emit communityChanged(selectedCommunity_);
sortEntries();
}
void
CommunitiesList::setTagsForRoom(const QString &room_id, const std::vector<std::string> &tags)
{
// create missing tag if any
for (const auto &tag : tags) {
// filter out tags we should ignore according to the spec
// https://matrix.org/docs/spec/client_server/r0.4.0.html#id154
// nheko currently does not make use of internal tags
// so we ignore any tag containig a `.` (which would indicate a tag
// in the form `tld.domain.*`) except for `m.*` and `u.*`.
if (tag.find(".") != ::std::string::npos && tag.compare(0, 2, "m.") &&
tag.compare(0, 2, "u."))
continue;
QString name = QString("tag:") + QString::fromStdString(tag);
if (!communityExists(name)) {
addCommunity(std::string("tag:") + tag);
}
}
// update membership of the room for all tags
auto it = communities_.begin();
while (it != communities_.end()) {
// Skip if the community is not a tag
if (!it->second->is_tag()) {
++it;
continue;
}
// insert or remove the room from the tag as appropriate
std::string current_tag =
it->first.right(static_cast<int>(it->first.size() - strlen("tag:")))
.toStdString();
if (std::find(tags.begin(), tags.end(), current_tag) != tags.end()) {
// the room has this tag
it->second->addRoom(room_id);
} else {
// the room does not have this tag
it->second->delRoom(room_id);
}
// Check if the tag is now empty, if yes delete it
if (it->second->rooms().empty()) {
it = communities_.erase(it);
} else {
++it;
}
}
}
void
CommunitiesList::addCommunity(const std::string &group_id)
{
auto hiddenTags = UserSettings::instance()->hiddenTags();
const auto id = QString::fromStdString(group_id);
CommunitiesListItem *list_item = new CommunitiesListItem(id, scrollArea_);
if (hiddenTags.contains(id))
list_item->setDisabled(true);
communities_.emplace(id, QSharedPointer<CommunitiesListItem>(list_item)); contentsLayout_->insertWidget(contentsLayout_->count() - 1, list_item);
connect(list_item,
&CommunitiesListItem::clicked,
this,
&CommunitiesList::highlightSelectedCommunity);
connect(list_item, &CommunitiesListItem::isDisabledChanged, this, [this]() {
for (const auto &community : communities_) {
if (community.second->isPressed()) {
emit highlightSelectedCommunity(community.first);
break;
}
}
auto hiddenTags = hiddenTagsAndCommunities();
// Qt < 5.14 compat
QStringList hiddenTags_;
for (auto &&t : hiddenTags)
hiddenTags_.push_back(t);
UserSettings::instance()->setHiddenTags(hiddenTags_);
});
if (group_id.empty() || group_id.front() != '+')
return;
nhlog::ui()->debug("Add community: {}", group_id);
connect(this,
&CommunitiesList::groupProfileRetrieved,
this,
[this](const QString &id, const mtx::responses::GroupProfile &profile) {
if (communities_.find(id) == communities_.end())
return;
communities_.at(id)->setName(QString::fromStdString(profile.name));
if (!profile.avatar_url.empty())
fetchCommunityAvatar(id,
QString::fromStdString(profile.avatar_url));
});
connect(this,
&CommunitiesList::groupRoomsRetrieved,
this,
[this](const QString &id, const std::set<QString> &rooms) {
nhlog::ui()->info(
"Fetched rooms for {}: {}", id.toStdString(), rooms.size());
if (communities_.find(id) == communities_.end())
return;
communities_.at(id)->setRooms(rooms);
});
http::client()->group_profile(
group_id, [id, this](const mtx::responses::GroupProfile &res, mtx::http::RequestErr err) {
if (err) {
return;
}
emit groupProfileRetrieved(id, res);
});
http::client()->group_rooms(
group_id, [id, this](const nlohmann::json &res, mtx::http::RequestErr err) {
if (err) {
return;
}
std::set<QString> room_ids;
for (const auto &room : res.at("chunk"))
room_ids.emplace(QString::fromStdString(room.at("room_id")));
emit groupRoomsRetrieved(id, room_ids);
});
}
void
CommunitiesList::updateCommunityAvatar(const QString &community_id, const QPixmap &img)
{
if (!communityExists(community_id)) {
nhlog::ui()->warn("Avatar update on nonexistent community {}",
community_id.toStdString());
return;
}
communities_.at(community_id)->setAvatar(img.toImage());
}
void
CommunitiesList::highlightSelectedCommunity(const QString &community_id)
{
if (!communityExists(community_id)) {
nhlog::ui()->debug("CommunitiesList: clicked unknown community");
return;
}
selectedCommunity_ = community_id;
emit communityChanged(community_id);
for (const auto &community : communities_) {
if (community.first != community_id) {
community.second->setPressedState(false);
} else {
community.second->setPressedState(true);
scrollArea_->ensureWidgetVisible(community.second.data());
}
}
}
void
CommunitiesList::fetchCommunityAvatar(const QString &id, const QString &avatarUrl)
{
auto savedImgData = cache::image(avatarUrl);
if (!savedImgData.isNull()) {
QPixmap pix;
pix.loadFromData(savedImgData);
emit avatarRetrieved(id, pix);
return;
}
if (avatarUrl.isEmpty())
return;
mtx::http::ThumbOpts opts;
opts.mxc_url = avatarUrl.toStdString();
http::client()->get_thumbnail(
opts, [this, opts, id](const std::string &res, mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to download avatar: {} - ({} {})",
opts.mxc_url,
mtx::errors::to_string(err->matrix_error.errcode),
err->matrix_error.error);
return;
}
cache::saveImage(opts.mxc_url, res);
auto data = QByteArray(res.data(), (int)res.size());
QPixmap pix;
pix.loadFromData(data);
emit avatarRetrieved(id, pix);
});
}
std::set<QString>
CommunitiesList::roomList(const QString &id) const
{
if (communityExists(id))
return communities_.at(id)->rooms();
return {};
}
std::vector<std::string>
CommunitiesList::currentTags() const
{
std::vector<std::string> tags;
for (auto &entry : communities_) {
CommunitiesListItem *item = entry.second.data();
if (item->is_tag())
tags.push_back(entry.first.mid(4).toStdString());
}
return tags;
}
std::set<QString>
CommunitiesList::hiddenTagsAndCommunities() const
{
std::set<QString> hiddenTags;
for (auto &entry : communities_) {
if (entry.second->isDisabled())
hiddenTags.insert(entry.first);
}
return hiddenTags;
}
void
CommunitiesList::sortEntries()
{
std::vector<CommunitiesListItem *> header;
std::vector<CommunitiesListItem *> communities;
std::vector<CommunitiesListItem *> tags;
std::vector<CommunitiesListItem *> footer;
// remove all the contents and sort them in the 4 vectors
for (auto &entry : communities_) {
CommunitiesListItem *item = entry.second.data();
contentsLayout_->removeWidget(item);
// world is handled separately
if (entry.first == "world")
continue;
// sort the rest
if (item->is_tag())
if (entry.first == "tag:m.favourite")
header.push_back(item);
else if (entry.first == "tag:m.lowpriority")
footer.push_back(item);
else
tags.push_back(item);
else
communities.push_back(item);
}
// now there remains only the stretch in the layout, remove it
QLayoutItem *stretch = contentsLayout_->itemAt(0);
contentsLayout_->removeItem(stretch);
contentsLayout_->addWidget(communities_["world"].data());
auto insert_widgets = [this](auto &vec) {
for (auto item : vec)
contentsLayout_->addWidget(item);
};
insert_widgets(header);
insert_widgets(communities);
insert_widgets(tags);
insert_widgets(footer);
contentsLayout_->addItem(stretch);
}