ui/base/models/dialog_model.h

   1 // Copyright (c) 2013 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 UI_BASE_MODELS_DIALOG_MODEL_H_
   6 #define UI_BASE_MODELS_DIALOG_MODEL_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "ui/base/ui_base_export.h"
  10 #include "ui/base/ui_base_types.h"
  11
  12 namespace ui {
  13
  14 // A model representing a dialog window. The model provides the content to show
  15 // to the user (i.e. title), and the ways the user can interact with it
  16 // (i.e. the buttons).
  17 class UI_BASE_EXPORT DialogModel {
  18  public:
  19   virtual ~DialogModel();
  20
  21   // Returns the title of the dialog.
  22   virtual base::string16 GetDialogTitle() const = 0;
  23
  24   // Returns a mask specifying which of the available DialogButtons are visible
  25   // for the dialog. Note: Dialogs with just an OK button are frowned upon.
  26   virtual int GetDialogButtons() const = 0;
  27
  28   // Returns the default dialog button. This should not be a mask as only
  29   // one button should ever be the default button.  Return
  30   // ui::DIALOG_BUTTON_NONE if there is no default.  Default
  31   // behavior is to return ui::DIALOG_BUTTON_OK or
  32   // ui::DIALOG_BUTTON_CANCEL (in that order) if they are
  33   // present, ui::DIALOG_BUTTON_NONE otherwise.
  34   virtual int GetDefaultDialogButton() const = 0;
  35
  36   // Returns whether the default dialog button should be colored blue as a call
  37   // to action.
  38   virtual bool ShouldDefaultButtonBeBlue() const = 0;
  39
  40   // Returns the label of the specified dialog button.
  41   virtual base::string16 GetDialogButtonLabel(DialogButton button) const = 0;
  42
  43   // Returns whether the specified dialog button is enabled.
  44   virtual bool IsDialogButtonEnabled(DialogButton button) const = 0;
  45 };
  46
  47 }  // namespace ui
  48
  49 #endif  // UI_BASE_MODELS_DIALOG_MODEL_H_