Use factory method to create mouse controller on MacOS

src/device_controller/mouse/mac/mouse_controller.cpp

@@ -0,0 +1,49 @@
+#include "mouse_controller.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+
+#include "log.h"
+
+MouseController::MouseController() {}
+
+MouseController::~MouseController() {}
+
+int MouseController::Init(int screen_width, int screen_height) {
+  screen_width_ = screen_width;
+  screen_height_ = screen_height;
+
+  return 0;
+}
+
+int MouseController::Destroy() { return 0; }
+
+int MouseController::SendCommand(RemoteAction remote_action) {
+  int mouse_pos_x = remote_action.m.x * screen_width_ / 1280;
+  int mouse_pos_y = remote_action.m.y * screen_height_ / 720;
+
+  if (remote_action.type == ControlType::mouse) {
+    CGEventRef mouse_event;
+    CGEventType mouse_type;
+
+    if (remote_action.m.flag == MouseFlag::left_down) {
+      mouse_type = kCGEventLeftMouseDown;
+    } else if (remote_action.m.flag == MouseFlag::left_up) {
+      mouse_type = kCGEventLeftMouseUp;
+    } else if (remote_action.m.flag == MouseFlag::right_down) {
+      mouse_type = kCGEventRightMouseDown;
+    } else if (remote_action.m.flag == MouseFlag::right_up) {
+      mouse_type = kCGEventRightMouseUp;
+    } else {
+      mouse_type = kCGEventMouseMoved;
+    }
+
+    mouse_event = CGEventCreateMouseEvent(NULL, mouse_type,
+                                          CGPointMake(mouse_pos_x, mouse_pos_y),
+                                          kCGMouseButtonLeft);
+
+    CGEventPost(kCGHIDEventTap, mouse_event);
+    CFRelease(mouse_event);
+  }
+
+  return 0;
+}