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chromium / chromium / src / c5478adcd6c0bb58183c1363184d98fe50178a5f / . / gin / per_context_data.h
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Avi Drissman468e51b62022-09-13 20:47:01[diff] [blame]1// Copyright 2013 The Chromium Authors
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef GIN_PER_CONTEXT_DATA_H_
6#define GIN_PER_CONTEXT_DATA_H_
7
Keishi Hattori0e45c022021-11-27 09:25:52[diff] [blame]8#include "base/memory/raw_ptr.h"
sky@chromium.orgf2eec2ec2014-02-28 15:26:49[diff] [blame]9#include "base/supports_user_data.h"
jochen@chromium.org48c21632013-12-12 21:32:34[diff] [blame]10#include "gin/gin_export.h"
Dan Elphick05acd602021-08-30 15:22:07[diff] [blame]11#include "v8/include/v8-forward.h"
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]12
13namespace gin {
14
sky@chromium.org7f12ca72014-02-28 22:11:53[diff] [blame]15class ContextHolder;
abarth@chromium.org0d72f002013-11-25 02:19:34[diff] [blame]16class Runner;
17
abarth@chromium.org60531d52013-11-27 02:10:15[diff] [blame]18// There is one instance of PerContextData per v8::Context managed by Gin. This
sky@chromium.orgf2eec2ec2014-02-28 15:26:49[diff] [blame]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.
23class GIN_EXPORT PerContextData : public base::SupportsUserData {
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]24 public:
sky@chromium.org7f12ca72014-02-28 22:11:53[diff] [blame]25 PerContextData(ContextHolder* context_holder,
deepak.sfaaa1b62015-04-30 07:30:48[diff] [blame]26 v8::Local<v8::Context> context);
Daniel Hosseinian68c0798d2021-04-16 08:16:07[diff] [blame]27 PerContextData(const PerContextData&) = delete;
28 PerContextData& operator=(const PerContextData&) = delete;
dcheng074c0392014-10-23 19:08:25[diff] [blame]29 ~PerContextData() override;
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]30
31 // Can return NULL after the ContextHolder has detached from context.
deepak.sfaaa1b62015-04-30 07:30:48[diff] [blame]32 static PerContextData* From(v8::Local<v8::Context> context);
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]33
abarth@chromium.org60531d52013-11-27 02:10:15[diff] [blame]34 // The Runner associated with this context. To execute script in this context,
35 // please use the appropriate API on Runner.
abarth@chromium.org0d72f002013-11-25 02:19:34[diff] [blame]36 Runner* runner() const { return runner_; }
abarth@chromium.org60531d52013-11-27 02:10:15[diff] [blame]37 void set_runner(Runner* runner) { runner_ = runner; }
abarth@chromium.org0d72f002013-11-25 02:19:34[diff] [blame]38
sky@chromium.org7f12ca72014-02-28 22:11:53[diff] [blame]39 ContextHolder* context_holder() { return context_holder_; }
40
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]41 private:
Ali Hijazi96b84782023-01-25 14:03:12[diff] [blame]42 raw_ptr<ContextHolder, DanglingUntriaged> context_holder_;
Keishi Hattori0e45c022021-11-27 09:25:52[diff] [blame]43 raw_ptr<Runner> runner_;
abarth@chromium.org97f21ca2013-11-17 17:46:07[diff] [blame]44};
45
46} // namespace gin
47
48#endif // GIN_PER_CONTEXT_DATA_H_