diff options
Diffstat (limited to 'base/callback.h')
-rw-r--r-- | base/callback.h | 45 |
1 files changed, 1 insertions, 44 deletions
diff --git a/base/callback.h b/base/callback.h index 9e43afb..9c76aa5 100644 --- a/base/callback.h +++ b/base/callback.h @@ -11,7 +11,7 @@ #define BASE_CALLBACK_H_ #pragma once -#include "base/callback_helpers.h" +#include "base/callback_internal.h" #include "base/callback_old.h" // New, super-duper, unified Callback system. This will eventually replace @@ -212,49 +212,6 @@ namespace base { -namespace internal { - -// Holds the methods that don't require specialization to reduce template bloat. -class CallbackBase { - public: - // Returns true if Callback is null (doesn't refer to anything). - bool is_null() const { - return invoker_storage_.get() == NULL; - } - - // Returns the Callback into an uninitalized state. - void Reset() { - invoker_storage_ = NULL; - polymorphic_invoke_ = NULL; - } - - bool Equals(const CallbackBase& other) const { - return invoker_storage_.get() == other.invoker_storage_.get() && - polymorphic_invoke_ == other.polymorphic_invoke_; - } - - protected: - // In C++, it is safe to cast function pointers to function pointers of - // another type. It is not okay to use void*. We create a InvokeFuncStorage - // that that can store our function pointer, and then cast it back to - // the original type on usage. - typedef void(*InvokeFuncStorage)(void); - - CallbackBase(InvokeFuncStorage polymorphic_invoke, - scoped_refptr<InvokerStorageBase>* invoker_storage) - : polymorphic_invoke_(polymorphic_invoke) { - if (invoker_storage) { - invoker_storage_.swap(*invoker_storage); - } - } - - scoped_refptr<InvokerStorageBase> invoker_storage_; - InvokeFuncStorage polymorphic_invoke_; -}; - -} // namespace internal - - // First, we forward declare the Callback class template. This informs the // compiler that the template only has 1 type parameter which is the function // signature that the Callback is representing. |