Move icon loading to device model

src/device/deviceinfo.cpp

@@ -64,14 +64,7 @@ void DeviceInfo::InitFromDb(const DeviceDatabaseBackend::Device &dev) {
   size_ = dev.size_;
   transcode_mode_ = dev.transcode_mode_;
   transcode_format_ = dev.transcode_format_;
-
+  icon_name_ = dev.icon_name_;
-  QStringList icon_names = dev.icon_name_.split(',');
-  QVariantList icons;
-  for (const QString &icon_name : icon_names) {
-    icons << icon_name;
-  }
-
-  LoadIcon(icons, friendly_name_);
 
   QStringList unique_ids = dev.unique_id_.split(',');
   for (const QString &id : unique_ids) {

src/device/devicemanager.cpp

@@ -108,6 +108,8 @@ DeviceManager::DeviceManager(Application *app, QObject *parent)
   backend_->moveToThread(app_->database()->thread());
   backend_->Init(app_->database());
 
+  connect(this, SIGNAL(DeviceCreatedFromDB(DeviceInfo*)), SLOT(AddDeviceFromDB(DeviceInfo*)));
+
   // This reads from the database and contents on the database mutex, which can be very slow on startup.
   ConcurrentRun::Run<void>(&thread_pool_, bind(&DeviceManager::LoadAllDevices, this));
 
@@ -174,9 +176,34 @@ void DeviceManager::LoadAllDevices() {
 
   DeviceDatabaseBackend::DeviceList devices = backend_->GetAllDevices();
   for (const DeviceDatabaseBackend::Device &device : devices) {
-    beginInsertRows(ItemToIndex(root_), devices_.count(), devices_.count());
     DeviceInfo *info = new DeviceInfo(DeviceInfo::Type_Device, root_);
     info->InitFromDb(device);
+    emit DeviceCreatedFromDB(info);
+  }
+
+}
+
+void DeviceManager::AddDeviceFromDB(DeviceInfo *info) {
+
+  QStringList icon_names = info->icon_name_.split(',');
+  QVariantList icons;
+  for (const QString &icon_name : icon_names) {
+    icons << icon_name;
+  }
+  info->LoadIcon(icons, info->friendly_name_);
+
+  DeviceInfo *existing = FindEquivalentDevice(info);
+  if (existing) {
+    qLog(Info) << "Found existing device: " << info->friendly_name_;
+    existing->icon_name_ = info->icon_name_;
+    existing->icon_ = info->icon_;
+    QModelIndex idx = ItemToIndex(existing);
+    if (idx.isValid()) emit dataChanged(idx, idx);
+    delete info;
+  }
+  else {
+    qLog(Info) << "Device added from database: " << info->friendly_name_;
+    beginInsertRows(ItemToIndex(root_), devices_.count(), devices_.count());
     devices_ << info;
     endInsertRows();
   }
@@ -336,6 +363,16 @@ DeviceInfo *DeviceManager::FindDeviceByUrl(const QList<QUrl> &urls) const {
 
 }
 
+DeviceInfo *DeviceManager::FindEquivalentDevice(DeviceInfo *info) const {
+
+  for (const DeviceInfo::Backend &backend : info->backends_) {
+    DeviceInfo *match = FindDeviceById(backend.unique_id_);
+    if (match) return match;
+  }
+  return nullptr;
+
+}
+
 void DeviceManager::PhysicalDeviceAdded(const QString &id) {
 
   DeviceLister *lister = qobject_cast<DeviceLister*>(sender());

src/device/devicemanager.h

@@ -97,6 +97,7 @@ class DeviceManager : public SimpleTreeModel<DeviceInfo> {
   DeviceInfo *FindDeviceById(const QString &id) const;
   DeviceInfo *FindDeviceByUrl(const QList<QUrl> &url) const;
   QString DeviceNameByID(QString unique_id);
+  DeviceInfo *FindEquivalentDevice(DeviceInfo *info) const;
 
   // Actions on devices
   std::shared_ptr<ConnectedDevice> Connect(DeviceInfo *info);
@@ -116,6 +117,7 @@ class DeviceManager : public SimpleTreeModel<DeviceInfo> {
  signals:
   void DeviceConnected(QModelIndex idx);
   void DeviceDisconnected(QModelIndex idx);
+  void DeviceCreatedFromDB(DeviceInfo* info);
 
  private slots:
   void PhysicalDeviceAdded(const QString &id);
@@ -126,6 +128,7 @@ class DeviceManager : public SimpleTreeModel<DeviceInfo> {
   void DeviceSongCountUpdated(int count);
   void LoadAllDevices();
   void DeviceConnectFinished(const QString &id, bool success);
+  void AddDeviceFromDB(DeviceInfo *info);
 
  protected:
   void LazyPopulate(DeviceInfo *item) { LazyPopulate(item, true); }

src/device/devicestatefiltermodel.h

@@ -27,9 +27,8 @@
 
 #include <QObject>
 #include <QString>
-#include <QSortFilterProxyModel>
 #include <QAbstractItemModel>
-#include <QModelIndex>
+#include <QSortFilterProxyModel>
 
 #include "devicemanager.h"