[GUI] Build out infrastructure a bit

programs/light_client/ClientDataModel.cpp

@@ -1,7 +1,7 @@
 #include "ClientDataModel.hpp"
 
 
-Account* ClientDataModel::getAccount(quint64 id) const
+Account* ChainDataModel::getAccount(quint64 id) const
 {
    auto acct = new Account;
    acct->setProperty("id", id);
@@ -9,7 +9,7 @@ Account* ClientDataModel::getAccount(quint64 id) const
    return acct;
 }
 
-Account*ClientDataModel::getAccount(QString name) const
+Account*ChainDataModel::getAccount(QString name) const
 {
    auto acct = new Account;
    acct->setProperty("id", 800);

programs/light_client/ClientDataModel.hpp

@@ -45,10 +45,36 @@ public:
    QQmlListProperty<Balance> balances();
 };
 
-class ClientDataModel : public QObject {
+class ChainDataModel : public QObject {
    Q_OBJECT
 
 public:
    Q_INVOKABLE Account* getAccount(quint64 id)const;
    Q_INVOKABLE Account* getAccount(QString name)const;
 };
+
+class GrapheneApplication : public QObject {
+   Q_OBJECT
+
+   Q_PROPERTY(ChainDataModel* model READ model CONSTANT)
+   Q_PROPERTY(bool isConnected READ isConnected NOTIFY isConnectedChanged)
+
+   ChainDataModel* m_model;
+   bool m_isConnected;
+
+public:
+   ChainDataModel* model() const
+   {
+      return m_model;
+   }
+
+   Q_INVOKABLE void initialize(QString dataDirectory, QString apiUrl);
+
+   bool isConnected() const
+   {
+      return m_isConnected;
+   }
+
+signals:
+   void isConnectedChanged(bool isConnected);
+};

programs/light_client/main.cpp

@@ -11,7 +11,8 @@ int main(int argc, char *argv[])
    qmlRegisterType<Asset>("Graphene.Client", 0, 1, "Asset");
    qmlRegisterType<Balance>("Graphene.Client", 0, 1, "Balance");
    qmlRegisterType<Account>("Graphene.Client", 0, 1, "Account");
-   qmlRegisterType<ClientDataModel>("Graphene.Client", 0, 1, "DataModel");
+   qmlRegisterType<ChainDataModel>("Graphene.Client", 0, 1, "DataModel");
+   qmlRegisterType<GrapheneApplication>("Graphene.Client", 0, 1, "GrapheneApplication");
 
    QQmlApplicationEngine engine;
    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));

programs/light_client/qml/main.qml

@@ -27,8 +27,8 @@ ApplicationWindow {
       }
    }
 
-   DataModel {
+   GrapheneApplication {
-      id: model
+      id: app
    }
    Settings {
       id: appSettings