worked on Image

src/common/UniqueAccess.hpp

@@ -1,47 +1,61 @@
 #pragma once
 
-#include <boost/noncopyable.hpp>
 #include <mutex>
 #include <type_traits>
 
 namespace chatterino {
 
 template <typename T>
-class AccessGuard : boost::noncopyable
+class AccessGuard
 {
 public:
     AccessGuard(T &element, std::mutex &mutex)
-        : element_(element)
-        , mutex_(mutex)
+        : element_(&element)
+        , mutex_(&mutex)
     {
-        this->mutex_.lock();
+        this->mutex_->lock();
+    }
+
+    AccessGuard(AccessGuard<T> &&other)
+        : element_(other.element_)
+        , mutex_(other.mutex_)
+    {
+        other.isValid_ = false;
+    }
+
+    AccessGuard<T> &operator=(AccessGuard<T> &&other)
+    {
+        other.isValid_ = false;
+        this->element_ = other.element_;
+        this->mutex_ = other.element_;
     }
 
     ~AccessGuard()
     {
-        this->mutex_.unlock();
+        if (this->isValid_) this->mutex_->unlock();
     }
 
     T *operator->() const
     {
-        return &this->element_;
+        return this->element_;
     }
 
     T &operator*() const
     {
-        return this->element_;
+        return *this->element_;
     }
 
 private:
-    T &element_;
-    std::mutex &mutex_;
+    T *element_;
+    std::mutex *mutex_;
+    bool isValid_ = true;
 };
 
 template <typename T>
 class UniqueAccess
 {
 public:
-//    template <typename X = decltype(T())>
+    //    template <typename X = decltype(T())>
     UniqueAccess()
         : element_(T())
     {