WIP: Allow refreshing root in file browser

syncthingconnector/syncthingconnection.h

@@ -57,7 +57,7 @@ enum class SyncthingItemType { Unknown, File, Directory };
 
 struct LIB_SYNCTHING_CONNECTOR_EXPORT SyncthingItem {
     QString name;
-    CppUtilities::DateTime modificationTime;
+    CppUtilities::DateTime modificationTime = CppUtilities::DateTime();
     std::size_t size = std::size_t();
     SyncthingItemType type = SyncthingItemType::Unknown;
     std::vector<SyncthingItem> children;

syncthingmodel/syncthingfilemodel.cpp

@@ -13,15 +13,17 @@ using namespace CppUtilities;
 
 namespace Data {
 
-SyncthingFileModel::SyncthingFileModel(SyncthingConnection &connection, const QString &dirId, QObject *parent)
+SyncthingFileModel::SyncthingFileModel(SyncthingConnection &connection, const SyncthingDir &dir, QObject *parent)
     : SyncthingModel(connection, parent)
     , m_connection(connection)
-    , m_dirId(dirId)
+    , m_dirId(dir.id)
+    , m_root({.name = dir.displayName(), .modificationTime = dir.lastFileTime, .size = dir.globalStats.bytes, .type = SyncthingItemType::Directory})
 {
     m_connection.browse(m_dirId, QString(), 1, [this](std::vector<SyncthingItem> &&items) {
         const auto last = items.size() - 1;
-        beginInsertRows(QModelIndex(), 0, last < std::numeric_limits<int>::max() ? static_cast<int>(last) : std::numeric_limits<int>::max());
-        m_items = std::move(items);
+        beginInsertRows(index(0, 0), 0, last < std::numeric_limits<int>::max() ? static_cast<int>(last) : std::numeric_limits<int>::max());
+        m_root.children = std::move(items);
+        m_root.childrenPopulated = true;
         endInsertRows();
     });
 }
@@ -51,10 +53,7 @@ QModelIndex SyncthingFileModel::index(int row, int column, const QModelIndex &pa
     }
 
     if (!parent.isValid()) {
-        if (static_cast<std::size_t>(row) >= m_items.size()) {
-            return QModelIndex();
-        }
-        return createIndex(row, column, &m_items[static_cast<std::size_t>(row)]);
+        return static_cast<std::size_t>(row) ? QModelIndex() : createIndex(row, column, &m_root);
     }
 
     auto *const parentItem = reinterpret_cast<SyncthingItem *>(parent.internalPointer());
@@ -77,7 +76,11 @@ QString SyncthingFileModel::path(const QModelIndex &index) const
     auto size = QString::size_type();
     parts.reserve(reinterpret_cast<SyncthingItem *>(index.internalPointer())->level + 1);
     for (auto i = index; i.isValid(); i = i.parent()) {
-        size += parts.emplace_back(reinterpret_cast<SyncthingItem *>(i.internalPointer())->name).size();
+        const auto *const item = reinterpret_cast<SyncthingItem *>(i.internalPointer());
+        if (item == &m_root) {
+            break;
+        }
+        size += parts.emplace_back(item->name).size();
     }
     res.reserve(size + parts.size());
     for (auto i = parts.rbegin(), end = parts.rend(); i != end; ++i) {
@@ -191,7 +194,7 @@ int SyncthingFileModel::rowCount(const QModelIndex &parent) const
 {
     auto res = std::size_t();
     if (!parent.isValid()) {
-        res = m_items.size();
+        res = m_root.children.size();
     } else {
         auto *const parentItem = reinterpret_cast<SyncthingItem *>(parent.internalPointer());
         res = parentItem->childrenPopulated || parentItem->type != SyncthingItemType::Directory ? parentItem->children.size() : 1;

syncthingmodel/syncthingfilemodel.h

@@ -3,18 +3,18 @@
 
 #include "./syncthingmodel.h"
 
+#include <syncthingconnector/syncthingconnection.h>
+
 #include <vector>
 
 namespace Data {
 
-struct SyncthingItem;
-
 class LIB_SYNCTHING_MODEL_EXPORT SyncthingFileModel : public SyncthingModel {
     Q_OBJECT
 public:
     enum SyncthingFileModelRole { NameRole = SyncthingModelUserRole + 1, SizeRole, ModificationTimeRole, Actions, ActionNames, ActionIcons };
 
-    explicit SyncthingFileModel(SyncthingConnection &connection, const QString &dirId, QObject *parent = nullptr);
+    explicit SyncthingFileModel(SyncthingConnection &connection, const SyncthingDir &dir, QObject *parent = nullptr);
     ~SyncthingFileModel() override;
 
 public Q_SLOTS:
@@ -46,7 +46,7 @@ private:
     QString m_dirId;
     QModelIndexList m_fetchQueue;
     QMetaObject::Connection m_pendingRequest;
-    mutable std::vector<SyncthingItem> m_items;
+    SyncthingItem m_root;
 };
 
 } // namespace Data

syncthingwidgets/misc/otherdialogs.cpp

@@ -88,7 +88,7 @@ QDialog *browseRemoteFilesDialog(Data::SyncthingConnection &connection, const Da
     dlg->setAttribute(Qt::WA_DeleteOnClose);
 
     // setup model/view
-    auto model = new Data::SyncthingFileModel(connection, dir.id, &connection);
+    auto model = new Data::SyncthingFileModel(connection, dir, &connection);
     auto view = new QTreeView(dlg);
     view->setModel(model);
     view->setContextMenuPolicy(Qt::CustomContextMenu);