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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_APPLICATION_PUBLIC_CPP_APPLICATION_RUNNER_H_ | |
6 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_RUNNER_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "base/message_loop/message_loop.h" | |
10 #include "mojo/public/cpp/system/core.h" | |
11 | |
12 namespace mojo { | |
13 | |
14 class ApplicationDelegate; | |
15 | |
16 // A utility for running a chromium based mojo Application. The typical use | |
17 // case is to use when writing your MojoMain: | |
18 // | |
19 // MojoResult MojoMain(MojoHandle shell_handle) { | |
20 // mojo::ApplicationRunner runner(new MyDelegate()); | |
21 // return runner.Run(shell_handle); | |
22 // } | |
23 // | |
24 // ApplicationRunner takes care of chromium environment initialization and | |
25 // shutdown, and starting a MessageLoop from which your application can run and | |
26 // ultimately Quit(). | |
27 class ApplicationRunner { | |
28 public: | |
29 // Takes ownership of |delegate|. | |
30 explicit ApplicationRunner(ApplicationDelegate* delegate); | |
31 ~ApplicationRunner(); | |
32 | |
33 static void InitBaseCommandLine(); | |
34 | |
35 void set_message_loop_type(base::MessageLoop::Type type); | |
36 | |
37 // Once the various parameters have been set above, use Run to initialize an | |
38 // ApplicationImpl wired to the provided delegate, and run a MessageLoop until | |
39 // the application exits. | |
40 // | |
41 // Iff |init_base| is true, the runner will perform some initialization of | |
42 // base globals (e.g. CommandLine and AtExitManager) before starting the | |
43 // application. | |
44 MojoResult Run(MojoHandle shell_handle, bool init_base); | |
45 | |
46 // Calls Run above with |init_base| set to |true|. | |
47 MojoResult Run(MojoHandle shell_handle); | |
48 | |
49 private: | |
50 scoped_ptr<ApplicationDelegate> delegate_; | |
51 | |
52 // MessageLoop type. TYPE_CUSTOM is default (MessagePumpMojo will be used as | |
53 // the underlying message pump). | |
54 base::MessageLoop::Type message_loop_type_; | |
55 // Whether Run() has been called. | |
56 bool has_run_; | |
57 | |
58 MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationRunner); | |
59 }; | |
60 | |
61 } // namespace mojo | |
62 | |
63 #endif // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_RUNNER_H_ | |
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