New custom styling for action box menu on Os X.

chrome/browser/ui/cocoa/location_bar/action_box_menu_bubble_controller.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_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_
+#define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/memory/scoped_nsobject.h"
+#include "base/memory/scoped_ptr.h"
+#import "chrome/browser/ui/cocoa/base_bubble_controller.h"
+#import "chrome/browser/ui/cocoa/tracking_area.h"
+
+class Browser;
+@class HoverImageButton;
+
+namespace ui {
+class MenuModel;
+}
+
+// This window controller manages the action box popup menu.
+@interface ActionBoxMenuBubbleController : BaseBubbleController {
+ @private
+  // The model that contains the data from the backend.
+  scoped_ptr<ui::MenuModel> model_;
+
+  // Array of the below view controllers.
+  scoped_nsobject<NSMutableArray> items_;
+}
+
+// Designated initializer. |point| must be in screen coordinates.
+- (id)initWithModel:(scoped_ptr<ui::MenuModel>)model
+       parentWindow:(NSWindow*)parent
+         anchoredAt:(NSPoint)point;
+
+// Accesses the model.
+- (ui::MenuModel*)model;
+
+// Executes the action of a given menu item.
+- (IBAction)itemSelected:(id)sender;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////
+
+// This view controller manages the menu item XIB.
+@interface ActionBoxMenuItemController : NSViewController {
+ @private
+  // The parent menu controller owns this.
+  __weak ActionBoxMenuBubbleController* controller_;
+
+  size_t modelIndex_;
+
+  // Tracks whether this item is currently highlighted.
+  BOOL isHighlighted_;
+
+  // Instance variables that back the outlets.
+  IBOutlet __weak NSImageView* iconView_;
+  IBOutlet __weak NSTextField* nameField_;
+}
+@property(readonly, nonatomic) size_t modelIndex;
+@property(assign, nonatomic) BOOL isHighlighted;
+@property(assign, nonatomic)  NSTextField* nameField;
+
+// Designated initializer.
+- (id)initWithModelIndex:(size_t)modelIndex
+          menuController:(ActionBoxMenuBubbleController*)controller;
+
+// Highlights the subviews appropriately for a given event type.
+- (void)highlightForEventType:(NSEventType)type;
+
+// Execute the action of a given menu item.
+- (IBAction)itemSelected:(id)sender;
+
+@end
+
+////////////////////////////////////////////////////////////////////////////////
+
+// Simple button cell to get tracking and mouse events forwarded back to the
+// view controller for changing highlight style of the item subviews. This is
+// an invisible button that underlays most of the menu item and is responsible
+// for performing the attached action.
+@interface ActionBoxMenuItemView : NSView {
+ @private
+  // The controller that manages this.
+  IBOutlet __weak ActionBoxMenuItemController* viewController_;
+
+  // Used to highlight the background on hover.
+  ScopedCrTrackingArea trackingArea_;
+}
+
+@property(assign, nonatomic) ActionBoxMenuItemController* viewController;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_ACTION_BOX_MENU_BUBBLE_CONTROLLER_H_