[refactor] add namespace 'crossdesk' to codebase

src/device_controller/keyboard/windows/keyboard_capturer.cpp

@@ -2,6 +2,8 @@
 
 #include "rd_log.h"
 
+namespace crossdesk {
+
 static OnKeyAction g_on_key_action = nullptr;
 static void* g_user_ptr = nullptr;
 
@@ -53,4 +55,5 @@ int KeyboardCapturer::SendKeyboardCommand(int key_code, bool is_down) {
   SendInput(1, &input, sizeof(INPUT));
 
   return 0;
-}
+}
+}  // namespace crossdesk

src/device_controller/keyboard/windows/keyboard_capturer.h

@@ -11,18 +11,21 @@
 
 #include "device_controller.h"
 
+namespace crossdesk {
+
 class KeyboardCapturer : public DeviceController {
  public:
   KeyboardCapturer();
   virtual ~KeyboardCapturer();
 
  public:
-  virtual int Hook(OnKeyAction on_key_action, void *user_ptr);
+  virtual int Hook(OnKeyAction on_key_action, void* user_ptr);
   virtual int Unhook();
   virtual int SendKeyboardCommand(int key_code, bool is_down);
 
  private:
   HHOOK keyboard_hook_ = nullptr;
 };
+}  // namespace crossdesk
 
 #endif