WIP - allow vector icons to specify motion.

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

 // Copyright 2013 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_APP_MENU_BUTTON_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_APP_MENU_BUTTON_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
+#include "base/timer/timer.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/toolbar/app_menu_icon_controller.h"
 #include "ui/views/controls/button/menu_button.h"
 #include "ui/views/controls/button/menu_button_listener.h"
 #include "ui/views/view.h"
 
 class AppMenu;
 class AppMenuModel;
 
 namespace views {
 class LabelButtonBorder;
 class MenuListener;
 }
 
 class AppMenuAnimation;
 class ToolbarView;
+class VectorIconAnimator;
 
 class AppMenuButton : public views::MenuButton, public TabStripModelObserver {
  public:
   explicit AppMenuButton(ToolbarView* toolbar_view);
   ~AppMenuButton() override;
 
   void SetSeverity(AppMenuIconController::IconType type,
                    AppMenuIconController::Severity severity,
                    bool animate);
 
@@ skipping 72 matching lines @@
   // Listeners to call when the menu opens.
   base::ObserverList<views::MenuListener> menu_listeners_;
 
   // App model and menu.
   // Note that the menu should be destroyed before the model it uses, so the
   // menu should be listed later.
   std::unique_ptr<AppMenuModel> menu_model_;
   std::unique_ptr<AppMenu> menu_;
 
   // Used for animating and drawing the app menu icon.
-  std::unique_ptr<AppMenuAnimation> animation_;
+  std::unique_ptr<VectorIconAnimator> animator_;
 
   // True if the app menu should use the new animated icon.
   bool should_use_new_icon_;
 
   // Any trailing margin to be applied. Used when the browser is in
   // a maximized state to extend to the full window width.
   int margin_trailing_;
 
+  base::TimeTicks animation_start_time_;
+  base::RepeatingTimer animation_timer_;
+
   // Used to spawn weak pointers for delayed tasks to open the overflow menu.
   base::WeakPtrFactory<AppMenuButton> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppMenuButton);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_APP_MENU_BUTTON_H_