remoting/host/it2me/it2me_confirmation_dialog.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_H_
   6 #define REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback_forward.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/single_thread_task_runner.h"
  13
  14 namespace remoting {
  15
  16 // Interface for a dialog to confirm an It2Me session with the user.
  17 // All methods, with the exception of the constructor, are guaranteed to be
  18 // called on the UI thread.
  19 class It2MeConfirmationDialog {
  20  public:
  21   enum class Result {
  22     OK,
  23     CANCEL
  24   };
  25
  26   typedef base::Callback<void(Result)> ResultCallback;
  27
  28   virtual ~It2MeConfirmationDialog() {}
  29
  30   // Shows the dialog. |callback| will be called with the user's selection.
  31   // |callback| will not be called if the dialog is destroyed.
  32   virtual void Show(const ResultCallback& callback) = 0;
  33 };
  34
  35 // Used to create an platform specific instance of It2MeConfirmationDialog.
  36 class It2MeConfirmationDialogFactory {
  37  public:
  38   It2MeConfirmationDialogFactory();
  39   virtual ~It2MeConfirmationDialogFactory();
  40
  41   virtual scoped_ptr<It2MeConfirmationDialog> Create();
  42
  43   DISALLOW_COPY_AND_ASSIGN(It2MeConfirmationDialogFactory);
  44 };
  45
  46 }  // namespace remoting
  47
  48 #endif  // REMOTING_HOST_IT2ME_IT2ME_CONFIRMATION_DIALOG_H_