It2Me Confirmation Dialog

remoting/host/it2me/it2me_confirmation_dialog_proxy.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 "remoting/host/it2me/it2me_confirmation_dialog_proxy.h"
+
+#include "base/bind.h"
+#include "base/callback_helpers.h"
+#include "base/location.h"
+
+namespace remoting {
+
+It2MeConfirmationDialogProxy::It2MeConfirmationDialogProxy(
+    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+    scoped_ptr<It2MeConfirmationDialog> dialog)
+    : weak_factory_(this) {
+  core_ = new Core(ui_task_runner, caller_task_runner,
+                   weak_factory_.GetWeakPtr(), dialog.Pass());
+}
+
+It2MeConfirmationDialogProxy::~It2MeConfirmationDialogProxy() {}
+
+void It2MeConfirmationDialogProxy::Show(
+    const It2MeConfirmationDialog::ResultCallback& callback) {
+  callback_ = callback;
+  core_->Show();
+}
+
+It2MeConfirmationDialogProxy::Core::Core(
+    scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
+    base::WeakPtr<It2MeConfirmationDialogProxy> parent,
+    scoped_ptr<It2MeConfirmationDialog> dialog)
+    : ui_task_runner_(ui_task_runner),
+      caller_task_runner_(caller_task_runner),
+      parent_(parent),
+      dialog_(dialog.Pass()) {
+}
+
+void It2MeConfirmationDialogProxy::Core::Show() {
+  if (!ui_task_runner_->BelongsToCurrentThread()) {
+    ui_task_runner_->PostTask(
+        FROM_HERE,
+        base::Bind(&It2MeConfirmationDialogProxy::Core::Show, this));
+    return;
+  }
+  dialog_->Show(
+      base::Bind(&It2MeConfirmationDialogProxy::Core::ReportResult, this));
+}
+
+It2MeConfirmationDialogProxy::Core::~Core() {}
+
+void It2MeConfirmationDialogProxy::Core::ReportResult(
+    It2MeConfirmationDialog::Result result) {
+  if (!caller_task_runner_->BelongsToCurrentThread()) {
+    caller_task_runner_->PostTask(
+        FROM_HERE,
+        base::Bind(&It2MeConfirmationDialogProxy::Core::ReportResult, this,
+                   result));
+    return;
+  }
+
+  if (parent_)
+    parent_->ReportResult(result);
+}
+
+void It2MeConfirmationDialogProxy::ReportResult(
+    It2MeConfirmationDialog::Result result) {
+  base::ResetAndReturn(&callback_).Run(result);
+}
+
+}  // namespace remoting