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isolate_scope.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "flutter/fml/logging.h"
6 #include "third_party/dart/runtime/include/dart_api.h"
7
8 #ifndef FLUTTER_SHELL_PLATFORM_COMMON_ISOLATE_SCOPE_H_
9 #define FLUTTER_SHELL_PLATFORM_COMMON_ISOLATE_SCOPE_H_
10
11 namespace flutter {
12
13 /// This class is a thin wrapper around dart isolate. It can be used
14 /// as argument to IsolateScope constructor to enter and exit the isolate.
15 class Isolate {
16 public:
17 /// Retrieve the current Dart Isolate. If no isolate is current, this
18 /// results in a crash.
19 static Isolate Current();
20
21 ~Isolate() = default;
22
23 private:
24 explicit Isolate(Dart_Isolate isolate) : isolate_(isolate) {
25 FML_DCHECK(isolate_ != nullptr);
26 }
27
28 friend class IsolateScope;
29 Dart_Isolate isolate_;
30 };
31
32 // Enters provided isolate for as long as the scope is alive.
33 class IsolateScope {
34 public:
35 explicit IsolateScope(const Isolate& isolate);
36 ~IsolateScope();
37
38 private:
39 Dart_Isolate isolate_;
40 Dart_Isolate previous_;
41
42 FML_DISALLOW_COPY_AND_ASSIGN(IsolateScope);
43 };
44
45 } // namespace flutter
46
47 #endif // FLUTTER_SHELL_PLATFORM_COMMON_ISOLATE_SCOPE_H_
flutter::Isolate
Definition: isolate_scope.h:15
flutter::Isolate::Current
static Isolate Current()
Definition: isolate_scope.cc:9
flutter::Isolate::~Isolate
~Isolate()=default
flutter::IsolateScope
Definition: isolate_scope.h:33
flutter::IsolateScope::~IsolateScope
~IsolateScope()
Definition: isolate_scope.cc:26
flutter::IsolateScope::IsolateScope
IsolateScope(const Isolate &isolate)
Definition: isolate_scope.cc:14
flutter
Definition: accessibility_bridge.cc:14