win8/metro_driver/metro_dialog_box.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 CHROME_BROWSER_UI_METRO_DRIVER_METRO_DIALOG_BOX_H_
   6 #define CHROME_BROWSER_UI_METRO_DRIVER_METRO_DIALOG_BOX_H_
   7
   8 #include <windows.ui.popups.h>
   9 #include <string>
  10
  11 #include "base/logging.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "base/win/metro.h"
  14
  15 // Provides functionality to display a dialog box
  16 class MetroDialogBox : public winui::Popups::IUICommandInvokedHandler {
  17  public:
  18   struct DialogBoxInfo {
  19     base::string16 title;
  20     base::string16 content;
  21     base::string16 button1_label;
  22     base::string16 button2_label;
  23     base::win::MetroDialogButtonPressedHandler button1_handler;
  24     base::win::MetroDialogButtonPressedHandler button2_handler;
  25   };
  26
  27   MetroDialogBox();
  28   ~MetroDialogBox();
  29
  30   // Displays the dialog box.
  31   void Show(const DialogBoxInfo& dialog_box_info);
  32
  33   // Dismisses the dialog box.
  34   void Dismiss();
  35
  36   // IUICommandInvokedHandler implementation.
  37   // Dummy implementation of IUnknown. This is fine as the lifetime of this
  38   // class is tied to the lifetime of the ChromeAppView instance.
  39   virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** object) {
  40     DVLOG(1) << __FUNCTION__;
  41     CHECK(false);
  42     return E_NOINTERFACE;
  43   }
  44
  45   virtual ULONG STDMETHODCALLTYPE AddRef(void) {
  46     DVLOG(1) << __FUNCTION__;
  47     return 1;
  48   }
  49
  50   virtual ULONG STDMETHODCALLTYPE Release(void) {
  51     DVLOG(1) << __FUNCTION__;
  52     return 1;
  53   }
  54
  55   virtual HRESULT STDMETHODCALLTYPE Invoke(winui::Popups::IUICommand* command);
  56
  57  private:
  58   // The actual dialog box.
  59   mswr::ComPtr<winui::Popups::IMessageDialog> dialog_box_;
  60   DialogBoxInfo dialog_box_info_;
  61 };
  62
  63 #endif  // CHROME_BROWSER_UI_METRO_DRIVER_METRO_DIALOG_BOX_H_
  64