A PlatformMessageResponse that will respond over a Dart port. More...

#include <platform_message_response_dart_port.h>

Inheritance diagram for flutter::PlatformMessageResponseDartPort:

Public Member Functions
void	Complete (std::unique_ptr< fml::Mapping > data) override

void	CompleteEmpty () override

Public Member Functions inherited from flutter::PlatformMessageResponse
bool	is_complete () const

Public Member Functions inherited from fml::RefCountedThreadSafe< PlatformMessageResponse >
void	Release () const

Public Member Functions inherited from fml::internal::RefCountedThreadSafeBase
void	AddRef () const

bool	HasOneRef () const

void	AssertHasOneRef () const

Protected Member Functions
	PlatformMessageResponseDartPort (Dart_Port send_port, int64_t identifier, const std::string &channel)

Protected Member Functions inherited from flutter::PlatformMessageResponse
	PlatformMessageResponse ()

virtual	~PlatformMessageResponse ()

Protected Member Functions inherited from fml::RefCountedThreadSafe< PlatformMessageResponse >
	RefCountedThreadSafe ()

	~RefCountedThreadSafe ()

Protected Member Functions inherited from fml::internal::RefCountedThreadSafeBase
	RefCountedThreadSafeBase ()

	~RefCountedThreadSafeBase ()

bool	Release () const

void	Adopt ()

Protected Attributes
Dart_Port	send_port_

int64_t	identifier_

const std::string	channel_

Protected Attributes inherited from flutter::PlatformMessageResponse
bool	is_complete_ = false

Detailed Description

A PlatformMessageResponse that will respond over a Dart port.

Definition at line 15 of file platform_message_response_dart_port.h.

Constructor & Destructor Documentation

◆ PlatformMessageResponseDartPort()

flutter::PlatformMessageResponseDartPort::PlatformMessageResponseDartPort	(	Dart_Port	send_port,
		int64_t	identifier,
		const std::string &	channel
	)

explicitprotected

Definition at line 21 of file platform_message_response_dart_port.cc.

    : send_port_(send_port), identifier_(identifier), channel_(channel) {
  FML_DCHECK(send_port != ILLEGAL_PORT);
}

References FML_DCHECK.

Member Function Documentation

◆ Complete()

void flutter::PlatformMessageResponseDartPort::Complete ( std::unique_ptr< fml::Mapping > data )

overridevirtual

Implements flutter::PlatformMessageResponse.

Definition at line 29 of file platform_message_response_dart_port.cc.

                                    {
  is_complete_ = true;
  Dart_CObject response_identifier = {
      .type = Dart_CObject_kInt64,
  };
  response_identifier.value.as_int64 = identifier_;
  Dart_CObject response_data = {
      .type = Dart_CObject_kTypedData,
  };
  response_data.value.as_typed_data.type = Dart_TypedData_kUint8;
  response_data.value.as_typed_data.length = data->GetSize();
  response_data.value.as_typed_data.values = data->GetMapping();
 
  std::array<Dart_CObject*, 2> response_values = {&response_identifier,
                                                  &response_data};
 
  Dart_CObject response = {
      .type = Dart_CObject_kArray,
  };
  response.value.as_array.length = response_values.size();
  response.value.as_array.values = response_values.data();
 
  bool did_send = Dart_PostCObject(send_port_, &response);
  FML_CHECK(did_send);
}

References flutter::data, FML_CHECK, identifier_, flutter::PlatformMessageResponse::is_complete_, and send_port_.

◆ CompleteEmpty()

void flutter::PlatformMessageResponseDartPort::CompleteEmpty ( )

overridevirtual

Implements flutter::PlatformMessageResponse.

Definition at line 56 of file platform_message_response_dart_port.cc.

                                                    {
  is_complete_ = true;
  Dart_CObject response = {
      .type = Dart_CObject_kNull,
  };
  bool did_send = Dart_PostCObject(send_port_, &response);
  FML_CHECK(did_send);
}