Make a platform-independent ToolbarActionViewController

chrome/browser/ui/views/toolbar/toolbar_action_view_delegate.h

-// Copyright 2014 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_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_DELEGATE_H_
-#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_DELEGATE_H_
-
-namespace content {
-class WebContents;
-}
-
-namespace views {
-class FocusManager;
-class MenuButton;
-class View;
-class Widget;
-}
-
-class ToolbarActionViewController;
-
-// The view that surrounds an ToolbarAction and owns the
-// ToolbarActionViewController. Since different actions can subclass
-// different views, we don't derive views::View directly here.
-class ToolbarActionViewDelegate {
- public:
-  // Returns |this| as a view. We need this because our subclasses implement
-  // different kinds of views, and inheriting View here is a really bad idea.
-  virtual views::View* GetAsView() = 0;
-
-  // Returns true if this view is being shown inside a menu.
-  virtual bool IsShownInMenu() = 0;
-
-  // Returns the FocusManager to use when registering accelerators.
-  virtual views::FocusManager* GetFocusManagerForAccelerator() = 0;
-
-  // Returns the parent for the associated context menu.
-  virtual views::Widget* GetParentForContextMenu() = 0;
-
-  // In some cases (such as when an action is shown in a menu), a substitute
-  // ToolbarActionViewController should be used for showing popups. This
-  // returns the preferred control.
-  virtual ToolbarActionViewController* GetPreferredPopupViewController() = 0;
-
-  // Returns the reference view for the extension action's popup.
-  virtual views::View* GetReferenceViewForPopup() = 0;
-
-  // Returns the MenuButton (if any) to use in showing the context menu (this
-  // allows views code to update the pressed state of the button).
-  virtual views::MenuButton* GetContextMenuButton() = 0;
-
-  // Returns the current web contents.
-  virtual content::WebContents* GetCurrentWebContents() const = 0;
-
-  // Hides whatever popup is active (even if it's not this one).
-  virtual void HideActivePopup() = 0;
-
-  // Called when the icon is updated; this is forwarded from the icon factory.
-  virtual void OnIconUpdated() = 0;
-
-  // Called when a popup is shown. See ExecuteAction() for the definition of
-  // |grant_tab_permissions|.
-  virtual void OnPopupShown(bool grant_tab_permissions) {}
-
-  // Does any additional cleanup after the popup is closed.
-  virtual void CleanupPopup() {}
-
- protected:
-  virtual ~ToolbarActionViewDelegate() {}
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_ACTION_VIEW_DELEGATE_H_