Change AppState to BaseState. Update headers.

source/appstates/BaseState.cpp

@@ -0,0 +1,28 @@
+#include "appstates/BaseState.hpp"
+
+#include <switch.h>
+
+BaseState::BaseState(bool isClosable)
+    : m_isClosable(isClosable)
+{
+    if (!m_isClosable) { appletBeginBlockingHomeButton(0); }
+}
+
+BaseState::~BaseState()
+{
+    if (!m_isClosable) { appletEndBlockingHomeButton(); }
+}
+
+void BaseState::deactivate() { m_isActive = false; }
+
+void BaseState::reactivate() { m_isActive = true; }
+
+bool BaseState::is_active() const { return m_isActive; }
+
+void BaseState::give_focus() { m_hasFocus = true; }
+
+void BaseState::take_focus() { m_hasFocus = false; }
+
+bool BaseState::has_focus() const { return m_hasFocus; }
+
+bool BaseState::is_closable() const { return m_isClosable; }