mojo/shell/launcher_main.cc - Issue 775343004: Move //mojo/shell to //shell

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Issue 775343004: Move //mojo/shell to //shell (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 6 years ago

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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 #include "base/at_exit.h"

6 #include "base/bind.h"

7 #include "base/bind_helpers.h"

8 #include "base/command_line.h"

9 #include "base/message_loop/message_loop.h"

10 #include "base/run_loop.h"

11 #include "mojo/edk/embedder/embedder.h"

12 #include "mojo/edk/embedder/simple_platform_support.h"

13 #include "mojo/shell/external_application_registrar_connection.h"

14 #include "mojo/shell/in_process_dynamic_service_runner.h"

15 #include "mojo/shell/init.h"

16 #include "url/gurl.h"

17

18 namespace {

19 const char kAppPath[] = "app-path";

20 const char kAppURL[] = "app-url";

21 const char kShellPath[] = "shell-path";

22 }

23

24 class Launcher {

25 public:

26 explicit Launcher(base::CommandLine* command_line)

27 : app_path_(command_line->GetSwitchValuePath(kAppPath)),

28 app_url_(command_line->GetSwitchValueASCII(kAppURL)),

29 loop_(base::MessageLoop::TYPE_IO),

30 connection_(

31 base::FilePath(command_line->GetSwitchValuePath(kShellPath))),

32 connect_result_(0) {}

33 ~Launcher() {}

34

35 int Connect() {

36 DCHECK(!run_loop_.get());

37 run_loop_.reset(new base::RunLoop);

38 connection_.Connect(

39 base::Bind(&Launcher::OnConnected, base::Unretained(this)));

40 run_loop_->Run();

41 run_loop_.reset();

42 return connect_result_;

43 }

44

45 bool Register() {

46 DCHECK(!run_loop_.get());

47 DCHECK(connect_result_ == 0);

48 run_loop_.reset(new base::RunLoop);

49 connection_.Register(

50 app_url_, base::Bind(&Launcher::OnRegistered, base::Unretained(this)));

51 run_loop_->Run();

52 run_loop_.reset();

53 return shell_handle_.is_valid();

54 }

55

56 void Run() {

57 DCHECK(!run_loop_.get());

58 DCHECK(shell_handle_.is_valid());

59 mojo::shell::InProcessDynamicServiceRunner service_runner(nullptr);

60 run_loop_.reset(new base::RunLoop);

61 service_runner.Start(

62 app_path_,

63 shell_handle_.Pass(),

64 base::Bind(&Launcher::OnAppCompleted, base::Unretained(this)));

65 run_loop_->Run();

66 run_loop_.reset();

67 }

68

69 private:

70 void OnConnected(int result) {

71 connect_result_ = result;

72 run_loop_->Quit();

73 }

74

75 void OnRegistered(mojo::ShellPtr shell) {

76 shell_handle_ = shell.PassMessagePipe();

77 run_loop_->Quit();

78 }

79

80 void OnAppCompleted() {

81 run_loop_->Quit();

82 }

83

84 const base::FilePath app_path_;

85 const GURL app_url_;

86 base::MessageLoop loop_;

87 mojo::shell::ExternalApplicationRegistrarConnection connection_;

88 int connect_result_;

89 mojo::ScopedMessagePipeHandle shell_handle_;

90 scoped_ptr<base::RunLoop> run_loop_;

91 };

92

93 #if defined(OS_WIN)

94 int main(int argc, wchar_t** argv) {

95 #else

96 int main(int argc, char** argv) {

97 #endif

98 base::AtExitManager at_exit;

99 mojo::embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>(

100 new mojo::embedder::SimplePlatformSupport()));

101

102 base::CommandLine::Init(argc, argv);

103 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();

104 mojo::shell::InitializeLogging();

105

106 Launcher launcher(command_line);

107 int result = launcher.Connect();

108 if (result < 0) {

109 LOG(ERROR) << "Error(" << result << ") connecting on socket "

110 << command_line->GetSwitchValueASCII(kShellPath);

111 return MOJO_RESULT_INVALID_ARGUMENT;

112 }

113

114 if (!launcher.Register()) {

115 LOG(ERROR) << "Error registering "

116 << command_line->GetSwitchValueASCII(kAppURL);

117 return MOJO_RESULT_INVALID_ARGUMENT;

118 }

119

120 launcher.Run();

121 return MOJO_RESULT_OK;

122 }

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