shell/platform/common/cpp/public/flutter_plugin_registrar.h

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef FLUTTER_SHELL_PLATFORM_COMMON_CPP_PUBLIC_FLUTTER_PLUGIN_REGISTRAR_H_
#define FLUTTER_SHELL_PLATFORM_COMMON_CPP_PUBLIC_FLUTTER_PLUGIN_REGISTRAR_H_

#include <stddef.h>
#include <stdint.h>

#include "flutter_export.h"
#include "flutter_messenger.h"

#if defined(__cplusplus)
extern "C" {
#endif  // defined(__cplusplus)

// Opaque reference to a plugin registrar.
typedef struct FlutterDesktopPluginRegistrar* FlutterDesktopPluginRegistrarRef;

// Function pointer type for registrar destruction callback.
typedef void (*FlutterDesktopOnPluginRegistrarDestroyed)(
    FlutterDesktopPluginRegistrarRef);

// Returns the engine messenger associated with this registrar.
FLUTTER_EXPORT FlutterDesktopMessengerRef
FlutterDesktopPluginRegistrarGetMessenger(
    FlutterDesktopPluginRegistrarRef registrar);

// Registers a callback to be called when the plugin registrar is destroyed.
FLUTTER_EXPORT void FlutterDesktopPluginRegistrarSetDestructionHandler(
    FlutterDesktopPluginRegistrarRef registrar,
    FlutterDesktopOnPluginRegistrarDestroyed callback);

#if defined(__cplusplus)
}  // extern "C"
#endif

#endif  // FLUTTER_SHELL_PLATFORM_COMMON_CPP_PUBLIC_FLUTTER_PLUGIN_REGISTRAR_H_