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      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     string16 title;
     20     string16 content;
     21     string16 button1_label;
     22     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 
     65