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1 // Copyright 2013 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_SHELL_STANDALONE_CONTEXT_H_ | |
6 #define MOJO_SHELL_STANDALONE_CONTEXT_H_ | |
7 | |
8 #include "base/callback_forward.h" | |
9 #include "base/macros.h" | |
10 #include "base/memory/ref_counted.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/threading/thread.h" | |
13 #include "base/time/time.h" | |
14 #include "mojo/edk/embedder/process_delegate.h" | |
15 #include "mojo/shell/shell.h" | |
16 #include "mojo/shell/standalone/tracer.h" | |
17 | |
18 namespace base { | |
19 class SingleThreadTaskRunner; | |
20 } | |
21 | |
22 namespace catalog { | |
23 class Factory; | |
24 class Store; | |
25 } | |
26 | |
27 namespace mojo { | |
28 namespace shell { | |
29 class NativeRunnerDelegate; | |
30 | |
31 // The "global" context for the shell's main process. | |
32 class Context : public edk::ProcessDelegate { | |
33 public: | |
34 struct InitParams { | |
35 InitParams(); | |
36 ~InitParams(); | |
37 | |
38 NativeRunnerDelegate* native_runner_delegate = nullptr; | |
39 scoped_ptr<catalog::Store> catalog_store; | |
40 // If true the edk is initialized. | |
41 bool init_edk = true; | |
42 }; | |
43 | |
44 Context(); | |
45 ~Context() override; | |
46 | |
47 static void EnsureEmbedderIsInitialized(); | |
48 | |
49 // This must be called with a message loop set up for the current thread, | |
50 // which must remain alive until after Shutdown() is called. | |
51 void Init(scoped_ptr<InitParams> init_params); | |
52 | |
53 // If Init() was called and succeeded, this must be called before destruction. | |
54 void Shutdown(); | |
55 | |
56 // Run the application specified on the command line. | |
57 void RunCommandLineApplication(); | |
58 | |
59 Shell* shell() { return shell_.get(); } | |
60 | |
61 private: | |
62 // edk::ProcessDelegate: | |
63 void OnShutdownComplete() override; | |
64 | |
65 // Runs the app specified by |name|. | |
66 void Run(const std::string& name); | |
67 | |
68 scoped_refptr<base::SingleThreadTaskRunner> shell_runner_; | |
69 scoped_ptr<base::Thread> io_thread_; | |
70 scoped_refptr<base::SequencedWorkerPool> blocking_pool_; | |
71 | |
72 // Ensure this is destructed before task_runners_ since it owns a message pipe | |
73 // that needs the IO thread to destruct cleanly. | |
74 Tracer tracer_; | |
75 scoped_ptr<catalog::Factory> catalog_; | |
76 scoped_ptr<Shell> shell_; | |
77 base::Time main_entry_time_; | |
78 bool init_edk_ = false; | |
79 | |
80 DISALLOW_COPY_AND_ASSIGN(Context); | |
81 }; | |
82 | |
83 } // namespace shell | |
84 } // namespace mojo | |
85 | |
86 #endif // MOJO_SHELL_STANDALONE_CONTEXT_H_ | |
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