[Chromoting] Make the Windows host controller ask the user to confirm host registration.

remoting/host/verify_config_window_win.h

+// Copyright (c) 2012 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_VERIFY_CONFIG_WINDOW_WIN_H
+#define REMOTING_HOST_VERIFY_CONFIG_WINDOW_WIN_H
+
+#include <string>
+
+#include "base/callback.h"
+
+namespace remoting {
+
+// TODO(simonmorris): Derive this class from ATL's CDialog.
+class VerifyConfigWindowWin {
+ public:
+   VerifyConfigWindowWin(const std::string& email,
+                         const std::string& host_id,
+                         const std::string& host_secret_hash);
+  ~VerifyConfigWindowWin();
+
+  // Run the dialog modally. Returns true on successful verification.
+  bool Run();
+
+ private:
+  static BOOL CALLBACK DialogProc(HWND hwmd, UINT msg, WPARAM wParam,
+                                  LPARAM lParam);
+
+  BOOL OnDialogMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+  void InitDialog();
+  void EndDialog();
+  bool VerifyHostSecretHash();
+
+  HWND hwnd_;
+  const std::string email_;
+  const std::string host_id_;
+  const std::string host_secret_hash_;
+
+  DISALLOW_COPY_AND_ASSIGN(VerifyConfigWindowWin);
+};
+
+}
+
+#endif  // REMOTING_HOST_VERIFY_CONFIG_WINDOW_WIN_H