mojo/application/application_runner_chromium.cc

   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/application/application_runner_chromium.h"
   6
   7 #include "base/at_exit.h"
   8 #include "base/command_line.h"
   9 #include "base/debug/stack_trace.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/message_loop/message_loop.h"
  12 #include "mojo/common/message_pump_mojo.h"
  13 #include "mojo/public/cpp/application/application_delegate.h"
  14 #include "mojo/public/cpp/application/application_impl.h"
  15
  16 namespace mojo {
  17
  18 // static
  19 void ApplicationImpl::Terminate() {
  20   if (base::MessageLoop::current()->is_running())
  21     base::MessageLoop::current()->Quit();
  22 }
  23
  24 ApplicationRunnerChromium::ApplicationRunnerChromium(
  25     ApplicationDelegate* delegate)
  26     : delegate_(scoped_ptr<ApplicationDelegate>(delegate)),
  27       message_loop_type_(base::MessageLoop::TYPE_CUSTOM),
  28       has_run_(false) {}
  29
  30 ApplicationRunnerChromium::~ApplicationRunnerChromium() {}
  31
  32 void ApplicationRunnerChromium::set_message_loop_type(
  33     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 ApplicationRunnerChromium::Run(MojoHandle shell_handle) {
  41   DCHECK(!has_run_);
  42   has_run_ = true;
  43
  44   base::CommandLine::Init(0, NULL);
  45 #if !defined(COMPONENT_BUILD)
  46   base::AtExitManager at_exit;
  47 #endif
  48
  49 #ifndef NDEBUG
  50   base::debug::EnableInProcessStackDumping();
  51 #endif
  52
  53   {
  54     scoped_ptr<base::MessageLoop> loop;
  55     if (message_loop_type_ == base::MessageLoop::TYPE_CUSTOM)
  56       loop.reset(new base::MessageLoop(common::MessagePumpMojo::Create()));
  57     else
  58       loop.reset(new base::MessageLoop(message_loop_type_));
  59
  60     ApplicationImpl impl(delegate_.get(),
  61                          MakeScopedHandle(MessagePipeHandle(shell_handle)));
  62     loop->Run();
  63   }
  64   delegate_.reset();
  65   return MOJO_RESULT_OK;
  66 }
  67
  68 }  // namespace mojo