Introduce SimpleBaseDialogScreen, TabbedBaseDialogScreen's simpler cousin

UI/SimpleDialogScreen.cpp

@@ -0,0 +1,27 @@
+#include "Common/UI/ScrollView.h"
+#include "UI/SimpleDialogScreen.h"
+#include "UI/MiscViews.h"
+
+void UISimpleBaseDialogScreen::CreateViews() {
+	using namespace UI;
+
+	const bool canScroll = CanScroll();
+	ignoreBottomInset_ = canScroll;
+
+	const bool portrait = UsePortraitLayout();
+
+	root_ = new LinearLayout(ORIENT_VERTICAL, new LayoutParams(FILL_PARENT, FILL_PARENT));
+	root_->Add(new TopBar(GetTitle()));
+
+	if (canScroll) {
+		ScrollView *scroll = new ScrollView(ORIENT_VERTICAL, new LinearLayoutParams(FILL_PARENT, FILL_PARENT, 1.0f));
+		LinearLayout *contents = new LinearLayoutList(ORIENT_VERTICAL);
+		contents->SetSpacing(0);
+		CreateDialogViews(contents);
+		scroll->Add(contents);
+		root_->Add(scroll);
+	} else {
+		CreateDialogViews(root_);
+	}
+}
+