flutter::BinaryMessengerImpl Class Reference

#include <binary_messenger_impl.h>

Inheritance diagram for flutter::BinaryMessengerImpl:

Public Member Functions
	BinaryMessengerImpl (FlutterDesktopMessengerRef core_messenger)
virtual	~BinaryMessengerImpl ()
	BinaryMessengerImpl (BinaryMessengerImpl const &)=delete
BinaryMessengerImpl &	operator= (BinaryMessengerImpl const &)=delete
void	Send (const std::string &channel, const uint8_t *message, size_t message_size, BinaryReply reply) const override
void	SetMessageHandler (const std::string &channel, BinaryMessageHandler handler) override
Public Member Functions inherited from flutter::BinaryMessenger
virtual	~BinaryMessenger ()=default

Detailed Description

Definition at line 19 of file binary_messenger_impl.h.

Constructor & Destructor Documentation

BinaryMessengerImpl() [1/2]

flutter::BinaryMessengerImpl::BinaryMessengerImpl ( FlutterDesktopMessengerRef  core_messenger )

explicit

Definition at line 81 of file core_implementations.cc.

    : messenger_(core_messenger) {}

~BinaryMessengerImpl()

flutter::BinaryMessengerImpl::~BinaryMessengerImpl ( )

virtualdefault

BinaryMessengerImpl() [2/2]

flutter::BinaryMessengerImpl::BinaryMessengerImpl ( BinaryMessengerImpl const &  )

delete

Member Function Documentation

operator=()

BinaryMessengerImpl& flutter::BinaryMessengerImpl::operator= ( BinaryMessengerImpl const &  )

delete

Send()

void flutter::BinaryMessengerImpl::Send ( const std::string &  channel, const uint8_t *  message, size_t  message_size, BinaryReply  reply  ) const

overridevirtual

Implements flutter::BinaryMessenger.

Definition at line 87 of file core_implementations.cc.

                                                        {
  if (reply == nullptr) {
    FlutterDesktopMessengerSend(messenger_, channel.c_str(), message,
                                message_size);
    return;
  }
  struct Captures {
    BinaryReply reply;
  };
  auto captures = new Captures();
  captures->reply = reply;
 
  auto message_reply = [](const uint8_t* data, size_t data_size,
                          void* user_data) {
    auto captures = reinterpret_cast<Captures*>(user_data);
    captures->reply(data, data_size);
    delete captures;
  };
  bool result = FlutterDesktopMessengerSendWithReply(
      messenger_, channel.c_str(), message, message_size, message_reply,
      captures);
  if (!result) {
    delete captures;
  }
}

References FlutterDesktopMessengerSend(), FlutterDesktopMessengerSendWithReply(), and user_data.

SetMessageHandler()

void flutter::BinaryMessengerImpl::SetMessageHandler ( const std::string &  channel, BinaryMessageHandler  handler  )

overridevirtual

Implements flutter::BinaryMessenger.

Definition at line 116 of file core_implementations.cc.

                                                                          {
  if (!handler) {
    handlers_.erase(channel);
    FlutterDesktopMessengerSetCallback(messenger_, channel.c_str(), nullptr,
                                       nullptr);
    return;
  }
  // Save the handler, to keep it alive.
  handlers_[channel] = std::move(handler);
  BinaryMessageHandler* message_handler = &handlers_[channel];
  // Set an adaptor callback that will invoke the handler.
  FlutterDesktopMessengerSetCallback(messenger_, channel.c_str(),
                                     ForwardToHandler, message_handler);
}

References FlutterDesktopMessengerSetCallback().

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

• shell/platform/common/client_wrapper/binary_messenger_impl.h
• shell/platform/common/client_wrapper/core_implementations.cc