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mojo/shell/android/ui_application_loader_android.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/android/ui_application_loader_android.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "mojo/shell/application_manager/application_manager.h"
+
+namespace mojo {
+namespace shell {
+
+UIApplicationLoader::UIApplicationLoader(
+    scoped_ptr<ApplicationLoader> real_loader,
+    base::MessageLoop* ui_message_loop)
+    : loader_(real_loader.Pass()), ui_message_loop_(ui_message_loop) {
+}
+
+UIApplicationLoader::~UIApplicationLoader() {
+  ui_message_loop_->PostTask(
+      FROM_HERE, base::Bind(&UIApplicationLoader::ShutdownOnUIThread,
+                            base::Unretained(this)));
+}
+
+void UIApplicationLoader::Load(
+    const GURL& url,
+    InterfaceRequest<Application> application_request) {
+  DCHECK(application_request.is_pending());
+  ui_message_loop_->PostTask(
+      FROM_HERE,
+      base::Bind(&UIApplicationLoader::LoadOnUIThread, base::Unretained(this),
+                 url, base::Passed(&application_request)));
+}
+
+void UIApplicationLoader::LoadOnUIThread(
+    const GURL& url,
+    InterfaceRequest<Application> application_request) {
+  loader_->Load(url, application_request.Pass());
+}
+
+void UIApplicationLoader::ShutdownOnUIThread() {
+  // Destroy |loader_| on the thread it's actually used on.
+  loader_.reset();
+}
+
+}  // namespace shell
+}  // namespace mojo