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// 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.
#include <functional>
#include "third_party/dart/runtime/include/dart_api.h"
#include "tonic/logging/dart_error.h"
namespace tonic {
class DartState;
class DartMessageHandler {
using TaskDispatcher = std::function<void(std::function<void(void)>)>;
// Messages for the current isolate will be scheduled on |runner|.
void Initialize(TaskDispatcher dispatcher);
// Handle an unhandled error. If the error is fatal then shut down the
// isolate. The message handler's isolate must be the current isolate.
void UnhandledError(Dart_Handle error);
// Did the isolate exit?
bool isolate_exited() const { return isolate_exited_; }
// Did the isolate have an uncaught exception error?
bool isolate_had_uncaught_exception_error() const {
return isolate_had_uncaught_exception_error_;
DartErrorHandleType isolate_last_error() const { return isolate_last_error_; }
// Called from an unknown thread for each message.
void OnMessage(DartState* dart_state);
// By default, called on the task runner's thread for each message.
void OnHandleMessage(DartState* dart_state);
bool handled_first_message() const { return handled_first_message_; }
void set_handled_first_message(bool handled_first_message) {
handled_first_message_ = handled_first_message;
bool handled_first_message_;
bool isolate_exited_;
bool isolate_had_uncaught_exception_error_;
bool isolate_had_fatal_error_;
DartErrorHandleType isolate_last_error_;
TaskDispatcher task_dispatcher_;
static void MessageNotifyCallback(Dart_Isolate dest_isolate);
} // namespace tonic