Action box menu

chrome/browser/ui/views/action_box_menu.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_VIEWS_ACTION_BOX_MENU_H_
+#define CHROME_BROWSER_UI_VIEWS_ACTION_BOX_MENU_H_
+
+#include <map>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
+#include "chrome/browser/ui/views/browser_action_view.h"
+#include "content/public/browser/notification_observer.h"
+#include "ui/views/controls/menu/menu_delegate.h"
+
+class ActionBoxMenuModel;
+
+namespace views {
+class Background;
+class Border;
+class MenuItemView;
+class MenuRunner;
+class View;
+}
+
+// ActionBoxMenu adapts the ActionBoxMenuModel to view's menu related classes.
+class ActionBoxMenu : public views::MenuDelegate,
+                      public BrowserActionView::Delegate,
+                      public content::NotificationObserver {
+ public:
+  ActionBoxMenu(Browser* browser,
+                ActionBoxMenuModel* model,
+                bool starred);
+  virtual ~ActionBoxMenu();
+
+  void Init();
+
+  // Shows the menu relative to the specified button.
+  void RunMenu(views::MenuButton* menu_button);
+
+ private:
+  // Overridden from views::MenuDelegate:
+  virtual void ExecuteCommand(int id) OVERRIDE;
+  virtual views::Border* CreateMenuBorder() OVERRIDE;
+  virtual views::Background* CreateMenuBackground() OVERRIDE;
+
+  // Overridden from BrowserActionView::Delegate and DragController overrides:
+  virtual int GetCurrentTabId() const OVERRIDE;
+  virtual void OnBrowserActionExecuted(BrowserActionButton* button) OVERRIDE;
+  virtual void OnBrowserActionVisibilityChanged() OVERRIDE;
+  virtual gfx::Size GetViewContentOffset() const OVERRIDE;
+  virtual bool NeedToShowMultipleIconStates() const OVERRIDE;
+  virtual bool NeedToShowTooltip() const OVERRIDE;
+  virtual void WriteDragDataForView(views::View* sender,
+                                    const gfx::Point& press_pt,
+                                    ui::OSExchangeData* data) OVERRIDE;
+  virtual int GetDragOperationsForView(views::View* sender,
+                                       const gfx::Point& p) OVERRIDE;
+  virtual bool CanStartDragForView(views::View* sender,
+                                   const gfx::Point& press_pt,
+                                   const gfx::Point& p) OVERRIDE;
+
+  // NotificationObserver overrides:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  // Adds a new bookmark menu item to the menu, |next_id| is incremented.
+  views::MenuItemView* AddBookmarkMenuItem(views::MenuItemView* parent,
+                                           int* next_id);
+
+  // Populates |root_| with all the child menu items from the |model_|.
+  void PopulateMenu();
+
+  Browser* browser_;
+
+  // The views menu. Owned by |menu_runner_|.
+  views::MenuItemView* root_;
+
+  scoped_ptr<views::MenuRunner> menu_runner_;
+
+  // The model that tracks the order of the toolbar icons.
+  ActionBoxMenuModel* model_;
+
+  // Set when the current page is bookmarked and thus the star icon should be
+  // drawn in the "starred" rather than "unstarred" state.
+  bool starred_;
+
+  ScopedVector<BrowserActionView> browser_action_views_;
+
+  DISALLOW_COPY_AND_ASSIGN(ActionBoxMenu);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_ACTION_BOX_MENU_H_