It2Me Confirmation Dialog

remoting/host/it2me/it2me_confirmation_dialog_proxy.h

+// 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.
+
+#ifndef REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_PROXY_H_
+#define REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_PROXY_H_
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/non_thread_safe.h"
+#include "remoting/host/it2me/it2me_confirmation_dialog.h"
+
+namespace remoting {
+
+// A helper class to use an It2MeConfirmationDialog from a non-UI thread.
+class It2MeConfirmationDialogProxy : public It2MeConfirmationDialog {
+ public:
+  // |ui_task_runner| must be the UI thread. It will be used to call into the
+  // wrapped dialog.
+  // |dialog| is the dialog being wrapped.
+  It2MeConfirmationDialogProxy(
+      scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+      scoped_ptr<It2MeConfirmationDialog> dialog);
+
+  ~It2MeConfirmationDialogProxy() override;
+
+  // It2MeConfirmationDialog implementation.
+  void Show(const It2MeConfirmationDialog::ResultCallback& callback) override;
+
+ private:
+  class Core;
+
+  void ReportResult(It2MeConfirmationDialog::Result result);
+
+  scoped_ptr<Core> core_;
+  It2MeConfirmationDialog::ResultCallback callback_;
+  base::WeakPtrFactory<It2MeConfirmationDialogProxy> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(It2MeConfirmationDialogProxy);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_PROXY_H_