Remove ImageItem, Paintable and use unified image provider.

src/spectralroom.h

@@ -1,7 +1,6 @@
 #ifndef SpectralRoom_H
 #define SpectralRoom_H
 
-#include "paintable.h"
 #include "room.h"
 #include "spectraluser.h"
 
@@ -11,29 +10,8 @@
 
 using namespace QMatrixClient;
 
-class RoomPaintable : public Paintable {
-  Q_OBJECT
- public:
-  RoomPaintable(Room* parent) : Paintable(parent), m_room(parent) {
-    connect(m_room, &Room::avatarChanged, [=] { emit paintableChanged(); });
-  }
-
-  QImage image(int dimension) override {
-    if (!m_room) return {};
-    return m_room->avatar(dimension);
-  }
-  QImage image(int width, int height) override {
-    if (!m_room) return {};
-    return m_room->avatar(width, height);
-  }
-
- private:
-  Room* m_room;
-};
-
 class SpectralRoom : public Room {
   Q_OBJECT
-  Q_PROPERTY(Paintable* paintable READ paintable CONSTANT)
   Q_PROPERTY(bool hasUsersTyping READ hasUsersTyping NOTIFY typingChanged)
   Q_PROPERTY(QString usersTyping READ getUsersTyping NOTIFY typingChanged)
   Q_PROPERTY(QString cachedInput READ cachedInput WRITE setCachedInput NOTIFY
@@ -48,8 +26,6 @@ class SpectralRoom : public Room {
   explicit SpectralRoom(Connection* connection, QString roomId,
                         JoinState joinState = {});
 
-  Paintable* paintable() { return &m_paintable; }
-
   const QString& cachedInput() const { return m_cachedInput; }
   void setCachedInput(const QString& input) {
     if (input != m_cachedInput) {
@@ -132,9 +108,6 @@ class SpectralRoom : public Room {
   void sendTypingNotification(bool isTyping);
   void sendReply(QString userId, QString eventId, QString replyContent,
                  QString sendContent);
-
- private:
-  RoomPaintable m_paintable;
 };
 
 #endif  // SpectralRoom_H