1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef GIN_PER_CONTEXT_DATA_H_
6 #define GIN_PER_CONTEXT_DATA_H_
8 #include "base/memory/raw_ptr.h"
9 #include "base/supports_user_data.h"
10 #include "gin/gin_export.h"
11 #include "v8/include/v8-forward.h"
18 // There is one instance of PerContextData per v8::Context managed by Gin. This
19 // class stores all the Gin-related data that varies per context. Arbitrary data
20 // can be associated with this class by way of the SupportsUserData methods.
21 // Instances of this class (and any associated user data) are destroyed before
22 // the associated v8::Context.
23 class GIN_EXPORT PerContextData : public base::SupportsUserData {
25 PerContextData(ContextHolder* context_holder,
26 v8::Local<v8::Context> context);
27 PerContextData(const PerContextData&) = delete;
28 PerContextData& operator=(const PerContextData&) = delete;
29 ~PerContextData() override;
31 // Can return NULL after the ContextHolder has detached from context.
32 static PerContextData* From(v8::Local<v8::Context> context);
34 // The Runner associated with this context. To execute script in this context,
35 // please use the appropriate API on Runner.
36 Runner* runner() const { return runner_; }
37 void set_runner(Runner* runner) { runner_ = runner; }
39 ContextHolder* context_holder() { return context_holder_; }
42 raw_ptr<ContextHolder, DanglingUntriaged> context_holder_;
43 raw_ptr<Runner> runner_;
48 #endif // GIN_PER_CONTEXT_DATA_H_