1// Copyright 2014 The Chromium 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#ifndef MOJO_APPS_JS_JS_APP_H_
6#define MOJO_APPS_JS_JS_APP_H_
7
8#include "base/memory/ref_counted.h"
9#include "base/single_thread_task_runner.h"
10#include "base/threading/thread.h"
11#include "gin/public/isolate_holder.h"
12#include "gin/shell_runner.h"
13#include "mojo/apps/js/mojo_runner_delegate.h"
14#include "mojo/services/public/interfaces/content_handler/content_handler.mojom.h"
15
16namespace mojo {
17namespace apps {
18
19class JSApp;
20class ApplicationDelegateImpl;
21
22// Each JavaScript app started by content handler runs on its own thread and
23// in its own V8 isolate. This class represents one running JS app.
24//
25// The lifetime of this class is defined by the content handler's internal
26// "app_vector" list.
27
28class JSApp {
29 public:
30  JSApp(ApplicationDelegateImpl* content_handler_app,
31        const std::string& url,
32        URLResponsePtr content);
33  ~JSApp();
34
35  bool Start();
36  void Quit();
37  Handle ConnectToService(const std::string& application_url,
38                          const std::string& interface_name);
39
40 private:
41  void Run();
42  void Terminate();
43
44  // Used to CHECK that we're running on the correct thread.
45  bool on_content_handler_thread() const;
46  bool on_js_app_thread() const;
47
48  ApplicationDelegateImpl* content_handler_app_;
49  std::string url_;
50  URLResponsePtr content_;
51  base::Thread thread_;
52  scoped_refptr<base::SingleThreadTaskRunner> content_handler_task_runner_;
53  scoped_refptr<base::SingleThreadTaskRunner> js_app_task_runner_;
54  MojoRunnerDelegate runner_delegate_;
55  scoped_ptr<gin::IsolateHolder> isolate_holder_;
56  scoped_ptr<gin::ShellRunner> shell_runner_;
57
58  DISALLOW_COPY_AND_ASSIGN(JSApp);
59};
60
61}  // namespace apps
62}  // namespace mojo
63
64#endif  // MOJO_APPS_JS_JS_APP_H_
65