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mojo/shell/out_of_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/out_of_process_native_runner.h"
+
+#include "base/bind.h"
+#include "base/callback_helpers.h"
+#include "base/files/file_util.h"
+#include "base/logging.h"
+#include "mojo/shell/app_child_process.mojom.h"
+#include "mojo/shell/app_child_process_host.h"
+#include "mojo/shell/in_process_native_runner.h"
+
+namespace mojo {
+namespace shell {
+
+OutOfProcessNativeRunner::OutOfProcessNativeRunner(Context* context)
+    : context_(context) {
+}
+
+OutOfProcessNativeRunner::~OutOfProcessNativeRunner() {
+  if (app_child_process_host_) {
+    // TODO(vtl): Race condition: If |AppChildProcessHost::DidStart()| hasn't
+    // been called yet, we shouldn't call |Join()| here. (Until |DidStart()|, we
+    // may not have a child process to wait on.) Probably we should fix
+    // |Join()|.
+    app_child_process_host_->Join();
+  }
+}
+
+void OutOfProcessNativeRunner::Start(
+    const base::FilePath& app_path,
+    NativeApplicationCleanup cleanup,
+    InterfaceRequest<Application> application_request,
+    const base::Closure& app_completed_callback) {
+  app_path_ = app_path;
+
+  DCHECK(app_completed_callback_.is_null());
+  app_completed_callback_ = app_completed_callback;
+
+  app_child_process_host_.reset(new AppChildProcessHost(context_));
+  app_child_process_host_->Start();
+
+  // TODO(vtl): |app_path.AsUTF8Unsafe()| is unsafe.
+  app_child_process_host_->StartApp(
+      app_path.AsUTF8Unsafe(), cleanup == NativeApplicationCleanup::DELETE,
+      application_request.Pass(),
+      base::Bind(&OutOfProcessNativeRunner::AppCompleted,
+                 base::Unretained(this)));
+}
+
+void OutOfProcessNativeRunner::AppCompleted(int32_t result) {
+  DVLOG(2) << "OutOfProcessNativeRunner::AppCompleted(" << result << ")";
+
+  app_child_process_host_.reset();
+  // This object may be deleted by this callback.
+  base::Closure app_completed_callback = app_completed_callback_;
+  app_completed_callback_.Reset();
+  app_completed_callback.Run();
+}
+
+scoped_ptr<NativeRunner> OutOfProcessNativeRunnerFactory::Create(
+    const Options& options) {
+  if (options.force_in_process)
+    return make_scoped_ptr(new InProcessNativeRunner(context_));
+
+  return make_scoped_ptr(new OutOfProcessNativeRunner(context_));
+}
+
+}  // namespace shell
+}  // namespace mojo