components: Create web_modal component.

chrome/browser/ui/native_web_contents_modal_dialog_manager.h

-// 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_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
-#define CHROME_BROWSER_UI_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
-
-#include "chrome/browser/ui/native_web_contents_modal_dialog.h"
-
-namespace content {
-class WebContents;
-}  // namespace content
-
-// Interface from NativeWebContentsModalDialogManager to
-// WebContentsModalDialogManager.
-class NativeWebContentsModalDialogManagerDelegate {
- public:
-  NativeWebContentsModalDialogManagerDelegate() {}
-  virtual ~NativeWebContentsModalDialogManagerDelegate() {}
-
-  virtual content::WebContents* GetWebContents() const = 0;
-  virtual void WillClose(NativeWebContentsModalDialog dialog) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManagerDelegate);
-};
-
-// Provides an interface for platform-specific UI implementation for the web
-// contents modal dialog.
-class NativeWebContentsModalDialogManager {
- public:
-  virtual ~NativeWebContentsModalDialogManager() {}
-
-  // Starts management of the modal aspects of the dialog.  This function should
-  // also register to be notified when the dialog is closing, so that it can
-  // notify the manager.
-  virtual void ManageDialog(NativeWebContentsModalDialog dialog) = 0;
-
-  // Makes the web contents modal dialog visible. Only one web contents modal
-  // dialog is shown at a time per tab.
-  virtual void ShowDialog(NativeWebContentsModalDialog dialog) = 0;
-
-  // Hides the web contents modal dialog without closing it.
-  virtual void HideDialog(NativeWebContentsModalDialog dialog) = 0;
-
-  // Closes the web contents modal dialog.
-  virtual void CloseDialog(NativeWebContentsModalDialog dialog) = 0;
-
-  // Sets focus on the web contents modal dialog.
-  virtual void FocusDialog(NativeWebContentsModalDialog dialog) = 0;
-
-  // Runs a pulse animation for the web contents modal dialog.
-  virtual void PulseDialog(NativeWebContentsModalDialog dialog) = 0;
-
- protected:
-  NativeWebContentsModalDialogManager() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManager);
-};
-
-#endif  // CHROME_BROWSER_UI_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_