Refactor RPC

src/connection.h

@@ -0,0 +1,64 @@
+#ifndef CONNECTION_H
+#define CONNECTION_H
+
+#include "ui_connection.h"
+#include "precompiled.h"
+
+using json = nlohmann::json;
+
+class MainWindow;
+class RPC;
+
+enum ConnectionType {
+    DetectedConfExternalZcashD = 1,
+    UISettingsZCashD,
+    InternalZcashD
+};
+
+struct ConnectionConfig {
+    QString host;
+    QString port;
+    QString rpcuser;
+    QString rpcpassword;
+
+    ConnectionType connType;
+};
+
+class LoadingDialog;
+
+class ConnectionLoader {
+
+public:
+    ConnectionLoader(MainWindow* main);
+    ~ConnectionLoader();
+
+    void getConnection(std::function<void(RPC*)> cb);
+
+private:
+    std::shared_ptr<ConnectionConfig*> autoDetectZcashConf();
+    std::shared_ptr<ConnectionConfig*> loadFromSettings();
+
+    LoadingDialog*          d;
+    Ui_ConnectionDialog*    connD;
+    MainWindow*             main;
+};
+
+/**
+ * Represents a connection to a zcashd. It may even start a new zcashd if needed.
+ * This is also a UI class, so it may show a dialog waiting for the connection.
+*/
+class Connection {
+public:
+    Connection(QNetworkAccessManager* c, QNetworkRequest* r);
+    ~Connection();
+
+
+    QNetworkAccessManager*  restclient;
+    QNetworkRequest*        request;
+
+    void doRPC(const json& payload, const std::function<void(json)>& cb, 
+               const std::function<void(QNetworkReply::NetworkError, const json&)>& ne);
+
+};
+
+#endif