From a95d5e83b4d0ab3a9bf2adef1ae4246adc317d04 Mon Sep 17 00:00:00 2001
From: Arnav Rawat <rawat.arnav@gmail.com>
Date: Thu, 11 Mar 2021 16:09:55 -0600
Subject: Support for pinned messages Fixes issue #188

---
 lib/events/simplestateevents.h | 17 +++++++++++++++++
 lib/room.cpp                   | 14 ++++++++++++++
 lib/room.h                     |  2 ++
 libQuotient.kdev4              |  4 ++++
 4 files changed, 37 insertions(+)
 create mode 100644 libQuotient.kdev4

diff --git a/lib/events/simplestateevents.h b/lib/events/simplestateevents.h
index d6261a8f..f22f313d 100644
--- a/lib/events/simplestateevents.h
+++ b/lib/events/simplestateevents.h
@@ -71,4 +71,21 @@ public:
     QStringList aliases() const { return content().value; }
 };
 REGISTER_EVENT_TYPE(RoomAliasesEvent)
+
+class RoomPinnedEvent
+    : public StateEvent<EventContent::SimpleContent<QStringList>>
+{
+public:
+    DEFINE_EVENT_TYPEID("m.room.pinned_messages", RoomPinnedEvent)
+
+    explicit RoomPinnedEvent(const QJsonObject& json)
+        : StateEvent(typeId(), json, QStringLiteral("pinned"))
+    { }
+    explicit RoomPinnedEvent(const QStringList& roomEvents)
+        : StateEvent(typeId(), matrixTypeId(), {},
+                     QStringLiteral("pinned"), roomEvents)
+    { }
+    QStringList pinnedEvents() const { return content().value; }
+};
+REGISTER_EVENT_TYPE(RoomPinnedEvent)
 } // namespace Quotient
diff --git a/lib/room.cpp b/lib/room.cpp
index fadcea17..4f7f7ca9 100644
--- a/lib/room.cpp
+++ b/lib/room.cpp
@@ -557,6 +557,16 @@ QString Room::canonicalAlias() const
 
 QString Room::displayName() const { return d->displayname; }
 
+QList<const RoomEvent*> Room::pinnedEvents() const
+{
+    QStringList events = d->getCurrentState<RoomPinnedEvent>()->pinnedEvents();
+    QList<const RoomEvent*> pinnedEvents;
+    QStringList::iterator i;
+    for (i = events.begin(); i != events.end(); ++i)
+        pinnedEvents.append(findInTimeline(*i)->event());
+    return pinnedEvents;
+}
+
 void Room::refreshDisplayName() { d->updateDisplayname(); }
 
 QString Room::topic() const
@@ -1830,6 +1840,10 @@ void Room::setCanonicalAlias(const QString& newAlias)
     d->requestSetState<RoomCanonicalAliasEvent>(newAlias, altAliases());
 }
 
+void Room::setPinnedMessages(const QStringList& events)
+{
+    d->requestSetState<RoomPinnedEvent>(events);
+}
 void Room::setLocalAliases(const QStringList& aliases)
 {
     d->requestSetState<RoomCanonicalAliasEvent>(canonicalAlias(), aliases);
diff --git a/lib/room.h b/lib/room.h
index a8275ce9..60eadacc 100644
--- a/lib/room.h
+++ b/lib/room.h
@@ -191,6 +191,7 @@ public:
     QStringList altAliases() const;
     QStringList aliases() const;
     QString displayName() const;
+    QList<const RoomEvent*> pinnedEvents() const;
     QString topic() const;
     QString avatarMediaId() const;
     QUrl avatarUrl() const;
@@ -566,6 +567,7 @@ public Q_SLOTS:
     SetRoomStateWithKeyJob* setState(const StateEventBase& evt) const;
     void setName(const QString& newName);
     void setCanonicalAlias(const QString& newAlias);
+    void setPinnedMessages(const QStringList& events);
     /// Set room aliases on the user's current server
     void setLocalAliases(const QStringList& aliases);
     void setTopic(const QString& newTopic);
diff --git a/libQuotient.kdev4 b/libQuotient.kdev4
new file mode 100644
index 00000000..2afdb72d
--- /dev/null
+++ b/libQuotient.kdev4
@@ -0,0 +1,4 @@
+[Project]
+CreatedFrom=CMakeLists.txt
+Manager=KDevCMakeManager
+Name=libQuotient
-- 
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