Show the community of a room

4 files changed, 47 insertions, 0 deletions

diff --git a/src/timeline/CommunitiesModel.cpp b/src/timeline/CommunitiesModel.cpp

index 72d0bdfb..a0c73f84 100644
--- a/src/timeline/CommunitiesModel.cpp
+++ b/src/timeline/CommunitiesModel.cpp
@@ -605,6 +605,20 @@ CommunitiesModel::setCurrentTagId(const QString &tagId)
     emit currentTagIdChanged(currentTagId_);
 }
 
+bool
+CommunitiesModel::trySwitchToSpace(const QString &tag)
+{
+    for (const auto &t : spaceOrder_.tree) {
+        if (t.id == tag) {
+            this->currentTagId_ = "space:" + tag;
+            emit currentTagIdChanged(currentTagId_);
+            return true;
+        }
+    }
+
+    return false;
+}
+
 void
 CommunitiesModel::toggleTagId(QString tagId)
 {
diff --git a/src/timeline/CommunitiesModel.h b/src/timeline/CommunitiesModel.h

index 89f1ed07..3a599476 100644
--- a/src/timeline/CommunitiesModel.h
+++ b/src/timeline/CommunitiesModel.h
@@ -179,6 +179,7 @@ public slots:
     void clear();
     QString currentTagId() const { return currentTagId_; }
     void setCurrentTagId(const QString &tagId);
+    bool trySwitchToSpace(const QString &spaceId);
     void resetCurrentTagId()
     {
         currentTagId_.clear();
diff --git a/src/timeline/TimelineModel.cpp b/src/timeline/TimelineModel.cpp

index eaf85b2a..1ddef7b7 100644
--- a/src/timeline/TimelineModel.cpp
+++ b/src/timeline/TimelineModel.cpp
@@ -915,6 +915,9 @@ TimelineModel::syncState(const mtx::responses::State &s)
         } else if (std::holds_alternative<StateEvent<state::Encryption>>(e)) {
             this->isEncrypted_ = cache::isRoomEncrypted(room_id_.toStdString());
             emit encryptionChanged();
+        } else if (std::holds_alternative<StateEvent<state::space::Parent>>(e)) {
+            this->parentChecked = false;
+            emit parentSpaceChanged();
         }
     }
 }
@@ -976,6 +979,9 @@ TimelineModel::addEvents(const mtx::responses::Timeline &timeline)
         } else if (std::holds_alternative<StateEvent<state::Encryption>>(e)) {
             this->isEncrypted_ = cache::isRoomEncrypted(room_id_.toStdString());
             emit encryptionChanged();
+        } else if (std::holds_alternative<StateEvent<state::space::Parent>>(e)) {
+            this->parentChecked = false;
+            emit parentSpaceChanged();
         }
     }
 
@@ -2904,3 +2910,22 @@ TimelineModel::directChatOtherUserId() const
     } else
         return {};
 }
+
+RoomSummary *
+TimelineModel::parentSpace()
+{
+    if (!parentChecked) {
+        auto parents = cache::client()->getStateEventsWithType<mtx::events::state::space::Parent>(
+          this->room_id_.toStdString());
+
+        for (const auto &p : parents) {
+            if (p.content.canonical and p.content.via and not p.content.via->empty()) {
+                parentSummary.reset(new RoomSummary(p.state_key, *p.content.via, ""));
+                QQmlEngine::setObjectOwnership(parentSummary.get(), QQmlEngine::CppOwnership);
+                break;
+            }
+        }
+    }
+
+    return parentSummary.get();
+}
diff --git a/src/timeline/TimelineModel.h b/src/timeline/TimelineModel.h

index 295bc69b..ea6daa34 100644
--- a/src/timeline/TimelineModel.h
+++ b/src/timeline/TimelineModel.h
@@ -22,6 +22,7 @@
 #include "MemberList.h"
 #include "Permissions.h"
 #include "ReadReceiptsModel.h"
+#include "ui/RoomSummary.h"
 
 namespace mtx::http {
 using RequestErr = const std::optional<mtx::http::ClientError> &;
@@ -197,6 +198,7 @@ class TimelineModel : public QAbstractListModel
       QString directChatOtherUserId READ directChatOtherUserId NOTIFY directChatOtherUserIdChanged)
     Q_PROPERTY(InputBar *input READ input CONSTANT)
     Q_PROPERTY(Permissions *permissions READ permissions NOTIFY permissionsChanged)
+    Q_PROPERTY(RoomSummary *parentSpace READ parentSpace NOTIFY parentSpaceChanged)
 
 public:
     explicit TimelineModel(TimelineViewManager *manager,
@@ -397,6 +399,7 @@ public slots:
     Permissions *permissions() { return &permissions_; }
     QString roomAvatarUrl() const;
     QString roomId() const { return room_id_; }
+    RoomSummary *parentSpace();
 
     bool hasMentions() const { return highlight_count > 0; }
     int notificationCount() const { return notification_count; }
@@ -431,6 +434,7 @@ signals:
     void addPendingMessageToStore(mtx::events::collections::TimelineEvents event);
     void updateFlowEventId(std::string event_id);
 
+    void parentSpaceChanged();
     void encryptionChanged();
     void fullyReadEventIdChanged();
     void trustlevelChanged();
@@ -488,6 +492,9 @@ private:
     bool isEncrypted_           = false;
     std::string last_event_id;
     std::string fullyReadEventId_;
+
+    std::unique_ptr<RoomSummary> parentSummary = nullptr;
+    bool parentChecked                         = false;
 };
 
 template<class T>