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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 "mojo/shell/public/cpp/application_runner.h" | |
| 6 | |
| 7 #include "base/at_exit.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/command_line.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "base/process/launch.h" | |
| 13 #include "base/run_loop.h" | |
| 14 #include "mojo/shell/public/cpp/shell_client.h" | |
| 15 #include "mojo/shell/public/cpp/shell_connection.h" | |
| 16 | |
| 17 namespace mojo { | |
| 18 | |
| 19 int g_application_runner_argc; | |
| 20 const char* const* g_application_runner_argv; | |
| 21 | |
| 22 ApplicationRunner::ApplicationRunner(ShellClient* client) | |
| 23 : client_(scoped_ptr<ShellClient>(client)), | |
| 24 message_loop_type_(base::MessageLoop::TYPE_DEFAULT), | |
| 25 has_run_(false) {} | |
| 26 | |
| 27 ApplicationRunner::~ApplicationRunner() {} | |
| 28 | |
| 29 void ApplicationRunner::InitBaseCommandLine() { | |
| 30 base::CommandLine::Init(g_application_runner_argc, g_application_runner_argv); | |
| 31 } | |
| 32 | |
| 33 void ApplicationRunner::set_message_loop_type(base::MessageLoop::Type type) { | |
| 34 DCHECK_NE(base::MessageLoop::TYPE_CUSTOM, type); | |
| 35 DCHECK(!has_run_); | |
| 36 | |
| 37 message_loop_type_ = type; | |
| 38 } | |
| 39 | |
| 40 MojoResult ApplicationRunner::Run(MojoHandle shell_client_request_handle, | |
| 41 bool init_base) { | |
| 42 DCHECK(!has_run_); | |
| 43 has_run_ = true; | |
| 44 | |
| 45 scoped_ptr<base::AtExitManager> at_exit; | |
| 46 if (init_base) { | |
| 47 InitBaseCommandLine(); | |
| 48 at_exit.reset(new base::AtExitManager); | |
| 49 } | |
| 50 | |
| 51 { | |
| 52 scoped_ptr<base::MessageLoop> loop; | |
| 53 loop.reset(new base::MessageLoop(message_loop_type_)); | |
| 54 | |
| 55 connection_.reset(new ShellConnection( | |
| 56 client_.get(), | |
| 57 MakeRequest<shell::mojom::ShellClient>(MakeScopedHandle( | |
| 58 MessagePipeHandle(shell_client_request_handle))))); | |
| 59 base::RunLoop run_loop; | |
| 60 connection_->set_connection_lost_closure(run_loop.QuitClosure()); | |
| 61 run_loop.Run(); | |
| 62 // It's very common for the client to cache the app and terminate on errors. | |
| 63 // If we don't delete the client before the app we run the risk of the | |
| 64 // client having a stale reference to the app and trying to use it. | |
| 65 // Note that we destruct the message loop first because that might trigger | |
| 66 // connection error handlers and they might access objects created by the | |
| 67 // client. | |
| 68 loop.reset(); | |
| 69 client_.reset(); | |
| 70 connection_.reset(); | |
| 71 } | |
| 72 return MOJO_RESULT_OK; | |
| 73 } | |
| 74 | |
| 75 MojoResult ApplicationRunner::Run(MojoHandle shell_client_request_handle) { | |
| 76 bool init_base = true; | |
| 77 if (base::CommandLine::InitializedForCurrentProcess()) { | |
| 78 init_base = | |
| 79 !base::CommandLine::ForCurrentProcess()->HasSwitch("single-process"); | |
| 80 } | |
| 81 return Run(shell_client_request_handle, init_base); | |
| 82 } | |
| 83 | |
| 84 void ApplicationRunner::DestroyShellConnection() { | |
| 85 connection_.reset(); | |
| 86 } | |
| 87 | |
| 88 void ApplicationRunner::Quit() { | |
| 89 base::MessageLoop::current()->QuitWhenIdle(); | |
| 90 } | |
| 91 | |
| 92 } // namespace mojo | |
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Chromium Code Reviews
Issue 1877753003:
Move mojo\shell to services\shell (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@62scan