text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
  #define CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
  
  #if !(defined(USE_AURA) || defined(OS_CHROMEOS))
  #error Tab-modal confirm dialog should be shown with native UI.
  #endif
  
  #include "base/basictypes.h"
  #include "base/compiler_specific.h"
  #include "base/memory/scoped_ptr.h"
  #include "chrome/browser/ui/tab_modal_confirm_dialog.h"
  #include "ui/web_dialogs/web_dialog_delegate.h"
  
  class ConstrainedWebDialogDelegate;
  
  namespace content {
  class WebContents;
  }
  
  // Displays a tab-modal dialog, i.e. a dialog that will block the current page
  // but still allow the user to switch to a different page.
  // To display the dialog, allocate this object on the heap. It will open the
  // dialog from its constructor and then delete itself when the user dismisses
  // the dialog.
  class TabModalConfirmDialogWebUI : public TabModalConfirmDialog,
                                     public ui::WebDialogDelegate {
   public:
    TabModalConfirmDialogWebUI(
        TabModalConfirmDialogDelegate* dialog_delegate,
        content::WebContents* web_contents);
  
    // ui::WebDialogDelegate implementation.
    virtual ui::ModalType GetDialogModalType() const OVERRIDE;
    virtual string16 GetDialogTitle() const OVERRIDE;
    virtual GURL GetDialogContentURL() const OVERRIDE;
    virtual void GetWebUIMessageHandlers(
        std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
    virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
    virtual std::string GetDialogArgs() const OVERRIDE;
    virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
    virtual void OnCloseContents(content::WebContents* source,
                                 bool* out_close_dialog) OVERRIDE;
    virtual bool ShouldShowDialogTitle() const OVERRIDE;
  
    ConstrainedWebDialogDelegate* constrained_web_dialog_delegate() {
      return constrained_web_dialog_delegate_;
    }
  
   private:
    virtual ~TabModalConfirmDialogWebUI();
  
    // TabModalConfirmDialog:
    virtual void AcceptTabModalDialog() OVERRIDE;
    virtual void CancelTabModalDialog() OVERRIDE;
  
    scoped_ptr<TabModalConfirmDialogDelegate> delegate_;
  
    // Deletes itself.
    ConstrainedWebDialogDelegate* constrained_web_dialog_delegate_;
  
    DISALLOW_COPY_AND_ASSIGN(TabModalConfirmDialogWebUI);
  };
  
  #endif  // CHROME_BROWSER_UI_WEBUI_TAB_MODAL_CONFIRM_DIALOG_WEBUI_H_
  