ui/views/examples/example_base.h

   1 // Copyright (c) 2012 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_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
   6 #define UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "ui/views/examples/views_examples_export.h"
  12
  13 namespace views {
  14 class View;
  15
  16 namespace examples {
  17
  18 class VIEWS_EXAMPLES_EXPORT ExampleBase {
  19  public:
  20   virtual ~ExampleBase();
  21
  22   // Sub-classes should creates and add the views to the given parent.
  23   virtual void CreateExampleView(View* parent) = 0;
  24
  25   const std::string& example_title() const { return example_title_; }
  26   View* example_view() { return container_; }
  27
  28  protected:
  29   explicit ExampleBase(const char* title);
  30
  31   View* container() { return container_; }
  32
  33   // Prints a message in the status area, at the bottom of the window.
  34   void PrintStatus(const char* format, ...);
  35
  36   // Converts an boolean value to "on" or "off".
  37   const char* BoolToOnOff(bool value) {
  38     return value ? "on" : "off";
  39   }
  40
  41  private:
  42   // Name of the example - used as title in the combobox list.
  43   std::string example_title_;
  44
  45   // The view that contains the views example.
  46   View* container_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(ExampleBase);
  49 };
  50
  51 }  // namespace examples
  52 }  // namespace views
  53
  54 #endif  // UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_