ui: Indexing UI

* Added DialogView with QtDialogView implementation to handle information dialogs
* Implemented QtIndexingDialog class that covers all different dialogs for indexing
* Directly communicate with DialogView from Prpject and all Tasks involved in indexing
* Block QtMainWindow UI while indexing

src/lib/component/view/DialogView.cpp

@@ -0,0 +1,40 @@
+#include "component/view/DialogView.h"
+
+DialogView::DialogView()
+{
+}
+
+DialogView::~DialogView()
+{
+}
+
+void DialogView::showProgressDialog(const std::string& title, const std::string& message)
+{
+}
+
+void DialogView::hideProgressDialog()
+{
+}
+
+bool DialogView::startIndexingDialog(size_t cleanFileCount, size_t indexFileCount)
+{
+	return false;
+}
+
+void DialogView::updateIndexingDialog(size_t fileCount, size_t totalFileCount, std::string sourcePath)
+{
+}
+
+void DialogView::finishedIndexingDialog(size_t fileCount, size_t totalFileCount, float time, ErrorCountInfo errorInfo)
+{
+}
+
+int DialogView::confirm(const std::string& message)
+{
+	return confirm(message, std::vector<std::string>());
+}
+
+int DialogView::confirm(const std::string& message, const std::vector<std::string>& options)
+{
+	return -1;
+}