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Side by Side Diff: content/common/mojo/embedded_application_runner.h

Issue 2118083002: ShellClient -> Service (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@mus2
Patch Set: . Created 4 years, 5 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_ 5 #ifndef CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_
6 #define CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_ 6 #define CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_
7 7
8 #include <memory> 8 #include <memory>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "base/memory/weak_ptr.h" 13 #include "base/memory/weak_ptr.h"
14 #include "base/single_thread_task_runner.h" 14 #include "base/single_thread_task_runner.h"
15 #include "base/strings/string_piece.h" 15 #include "base/strings/string_piece.h"
16 #include "content/public/common/mojo_application_info.h" 16 #include "content/public/common/mojo_application_info.h"
17 #include "services/shell/public/cpp/shell_client.h" 17 #include "services/shell/public/cpp/service.h"
18 #include "services/shell/public/interfaces/shell_client.mojom.h" 18 #include "services/shell/public/interfaces/service.mojom.h"
19 19
20 namespace content { 20 namespace content {
21 21
22 // Hosts an in-process application instance that supports multiple ShellClient 22 // Hosts an in-process application instance that supports multiple Service
23 // connections. The first incoming connection will invoke a provided factory 23 // connections. The first incoming connection will invoke a provided factory
24 // function to instantiate the application, and the application will 24 // function to instantiate the application, and the application will
25 // automatically be torn down when its last connection is lost. The application 25 // automatically be torn down when its last connection is lost. The application
26 // may be launched and torn down multiple times by a single 26 // may be launched and torn down multiple times by a single
27 // EmbeddedApplicationRunner instance. 27 // EmbeddedApplicationRunner instance.
28 class EmbeddedApplicationRunner { 28 class EmbeddedApplicationRunner {
29 public: 29 public:
30 // Constructs a runner which hosts a Mojo application. If an existing instance 30 // Constructs a runner which hosts a Mojo application. If an existing instance
31 // of the app is not running when an incoming connection is made, details from 31 // of the app is not running when an incoming connection is made, details from
32 // |info| will be used to construct a new instance. 32 // |info| will be used to construct a new instance.
33 EmbeddedApplicationRunner(const base::StringPiece& name, 33 EmbeddedApplicationRunner(const base::StringPiece& name,
34 const MojoApplicationInfo& info); 34 const MojoApplicationInfo& info);
35 ~EmbeddedApplicationRunner(); 35 ~EmbeddedApplicationRunner();
36 36
37 // Binds an incoming ShellClientRequest for this application. If the 37 // Binds an incoming ServiceRequest for this application. If the
38 // application isn't already running, it's started. Otherwise the request is 38 // application isn't already running, it's started. Otherwise the request is
39 // bound to the running instance. 39 // bound to the running instance.
40 void BindShellClientRequest(shell::mojom::ShellClientRequest request); 40 void BindServiceRequest(shell::mojom::ServiceRequest request);
41 41
42 // Sets a callback to run after the application loses its last connection and 42 // Sets a callback to run after the application loses its last connection and
43 // is torn down. 43 // is torn down.
44 void SetQuitClosure(const base::Closure& quit_closure); 44 void SetQuitClosure(const base::Closure& quit_closure);
45 45
46 private: 46 private:
47 class Instance; 47 class Instance;
48 48
49 void OnQuit(); 49 void OnQuit();
50 50
51 // A reference to the application instance which may operate on the 51 // A reference to the application instance which may operate on the
52 // |application_task_runner_|'s thread. 52 // |application_task_runner_|'s thread.
53 scoped_refptr<Instance> instance_; 53 scoped_refptr<Instance> instance_;
54 54
55 base::Closure quit_closure_; 55 base::Closure quit_closure_;
56 56
57 base::WeakPtrFactory<EmbeddedApplicationRunner> weak_factory_; 57 base::WeakPtrFactory<EmbeddedApplicationRunner> weak_factory_;
58 58
59 DISALLOW_COPY_AND_ASSIGN(EmbeddedApplicationRunner); 59 DISALLOW_COPY_AND_ASSIGN(EmbeddedApplicationRunner);
60 }; 60 };
61 61
62 } // namespace content 62 } // namespace content
63 63
64 #endif // CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_ 64 #endif // CONTENT_COMMON_MOJO_EMBEDDED_APPLICATION_RUNNER_H_
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