fml::WeakPtr< T > Class Template Reference

#include <weak_ptr.h>

Public Member Functions
	WeakPtr ()
	WeakPtr (const WeakPtr< T > &r)=default
template<typename U >
	WeakPtr (const WeakPtr< U > &r)
	WeakPtr (WeakPtr< T > &&r)=default
template<typename U >
	WeakPtr (WeakPtr< U > &&r)
WeakPtr< T > &	operator= (const WeakPtr< T > &r)=default
WeakPtr< T > &	operator= (WeakPtr< T > &&r)=default
void	reset ()
	operator bool () const
T *	get () const
T &	operator* () const
T *	operator-> () const

Protected Member Functions
	WeakPtr (T *ptr, fml::RefPtr< fml::internal::WeakPtrFlag > &&flag)
void	CheckThreadSafety () const

Friends
template<typename U >
class	WeakPtr
class	WeakPtrFactory< T >

Detailed Description

template<typename T>
class fml::WeakPtr< T >

Definition at line 47 of file weak_ptr.h.

Constructor & Destructor Documentation

WeakPtr() [1/6]

template<typename T >

fml::WeakPtr< T >::WeakPtr ( )

inline

Definition at line 49 of file weak_ptr.h.

: ptr_(nullptr) {}

WeakPtr() [2/6]

template<typename T >

fml::WeakPtr< T >::WeakPtr ( const WeakPtr< T > &  r )

default

WeakPtr() [3/6]

template<typename T >

template<typename U >

fml::WeakPtr< T >::WeakPtr ( const WeakPtr< U > &  r )

inline

Definition at line 56 of file weak_ptr.h.

      : ptr_(static_cast<T*>(r.ptr_)), flag_(r.flag_), checker_(r.checker_) {}

WeakPtr() [4/6]

template<typename T >

fml::WeakPtr< T >::WeakPtr ( WeakPtr< T > &&  r )

default

WeakPtr() [5/6]

template<typename T >

template<typename U >

fml::WeakPtr< T >::WeakPtr ( WeakPtr< U > &&  r )

inline

Definition at line 63 of file weak_ptr.h.

      : ptr_(static_cast<T*>(r.ptr_)),
        flag_(std::move(r.flag_)),
        checker_(r.checker_) {}

WeakPtr() [6/6]

template<typename T >

fml::WeakPtr< T >::WeakPtr ( T *  ptr, fml::RefPtr< fml::internal::WeakPtrFlag > &&  flag  )

inlineexplicitprotected

Definition at line 105 of file weak_ptr.h.

      : ptr_(ptr), flag_(std::move(flag)) {}

Member Function Documentation

CheckThreadSafety()

template<typename T >

void fml::WeakPtr< T >::CheckThreadSafety ( ) const

inlineprotected

Definition at line 108 of file weak_ptr.h.

                                 {
    FML_DCHECK_CREATION_THREAD_IS_CURRENT(checker_.checker);
  }

References FML_DCHECK_CREATION_THREAD_IS_CURRENT.

Referenced by fml::WeakPtr< T >::get(), fml::WeakPtr< T >::operator bool(), fml::WeakPtr< T >::operator*(), and fml::WeakPtr< T >::operator->().

get()

template<typename T >

T * fml::WeakPtr< T >::get ( ) const

inline

Definition at line 87 of file weak_ptr.h.

                 {
    CheckThreadSafety();
    return *this ? ptr_ : nullptr;
  }

References fml::WeakPtr< T >::CheckThreadSafety().

Referenced by flutter::ConvertImageToRasterSkia(), flutter::ConvertToRasterUsingResourceContext(), fml::WeakPtr< T >::operator*(), and fml::WeakPtr< T >::operator->().

operator bool()

template<typename T >

fml::WeakPtr< T >::operator bool ( ) const

inlineexplicit

Definition at line 82 of file weak_ptr.h.

                                 {
    CheckThreadSafety();
    return flag_ && flag_->is_valid();
  }

References fml::WeakPtr< T >::CheckThreadSafety(), and fml::internal::WeakPtrFlag::is_valid().

operator*()

template<typename T >

T & fml::WeakPtr< T >::operator* ( ) const

inline

Definition at line 92 of file weak_ptr.h.

                       {
    CheckThreadSafety();
    FML_DCHECK(*this);
    return *get();
  }

References fml::WeakPtr< T >::CheckThreadSafety(), FML_DCHECK, and fml::WeakPtr< T >::get().

operator->()

template<typename T >

T * fml::WeakPtr< T >::operator-> ( ) const

inline

Definition at line 98 of file weak_ptr.h.

                        {
    CheckThreadSafety();
    FML_DCHECK(*this);
    return get();
  }

References fml::WeakPtr< T >::CheckThreadSafety(), FML_DCHECK, and fml::WeakPtr< T >::get().

operator=() [1/2]

template<typename T >

WeakPtr< T > & fml::WeakPtr< T >::operator= ( const WeakPtr< T > &  r )

default

operator=() [2/2]

template<typename T >

WeakPtr< T > & fml::WeakPtr< T >::operator= ( WeakPtr< T > &&  r )

default

reset()

template<typename T >

void fml::WeakPtr< T >::reset ( )

inline

Definition at line 77 of file weak_ptr.h.

{ flag_ = nullptr; }

Friends And Related Symbol Documentation

WeakPtr

template<typename T >

template<typename U >

friend class WeakPtr

friend

Definition at line 114 of file weak_ptr.h.

WeakPtrFactory< T >

template<typename T >

friend class WeakPtrFactory< T >

friend

Definition at line 114 of file weak_ptr.h.

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The documentation for this class was generated from the following file:

• fml/memory/weak_ptr.h