Separate mojo/shell into a runner and the application manager (shell)

mojo/shell/in_process_native_runner.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mojo/shell/in_process_native_runner.h"
-
-#include "base/bind.h"
-#include "base/callback_helpers.h"
-#include "base/location.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/threading/platform_thread.h"
-#include "mojo/shell/native_application_support.h"
-
-namespace mojo {
-namespace shell {
-
-InProcessNativeRunner::InProcessNativeRunner(Context* context)
-    : cleanup_(NativeApplicationCleanup::DONT_DELETE), app_library_(nullptr) {
-}
-
-InProcessNativeRunner::~InProcessNativeRunner() {
-  // It is important to let the thread exit before unloading the DSO (when
-  // app_library_ is destructed), because the library may have registered
-  // thread-local data and destructors to run on thread termination.
-  if (thread_) {
-    DCHECK(thread_->HasBeenStarted());
-    DCHECK(!thread_->HasBeenJoined());
-    thread_->Join();
-  }
-}
-
-void InProcessNativeRunner::Start(
-    const base::FilePath& app_path,
-    NativeApplicationCleanup cleanup,
-    InterfaceRequest<Application> application_request,
-    const base::Closure& app_completed_callback) {
-  app_path_ = app_path;
-  cleanup_ = cleanup;
-
-  DCHECK(!application_request_.is_pending());
-  application_request_ = application_request.Pass();
-
-  DCHECK(app_completed_callback_runner_.is_null());
-  app_completed_callback_runner_ =
-      base::Bind(&base::TaskRunner::PostTask, base::MessageLoopProxy::current(),
-                 FROM_HERE, app_completed_callback);
-
-  DCHECK(!thread_);
-  thread_.reset(new base::DelegateSimpleThread(this, "app_thread"));
-  thread_->Start();
-}
-
-void InProcessNativeRunner::Run() {
-  DVLOG(2) << "Loading/running Mojo app in process from library: "
-           << app_path_.value()
-           << " thread id=" << base::PlatformThread::CurrentId();
-
-  // TODO(vtl): ScopedNativeLibrary doesn't have a .get() method!
-  base::NativeLibrary app_library = LoadNativeApplication(app_path_, cleanup_);
-  app_library_.Reset(app_library);
-  RunNativeApplication(app_library, application_request_.Pass());
-  app_completed_callback_runner_.Run();
-  app_completed_callback_runner_.Reset();
-}
-
-scoped_ptr<NativeRunner> InProcessNativeRunnerFactory::Create(
-    const Options& options) {
-  return make_scoped_ptr(new InProcessNativeRunner(context_));
-}
-
-}  // namespace shell
-}  // namespace mojo