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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_
      6 #define CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_
      7 #pragma once
      8 
      9 #import <Cocoa/Cocoa.h>
     10 
     11 #import "base/mac/cocoa_protocols.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #import "chrome/browser/ui/cocoa/menu_controller.h"
     14 
     15 @class MenuTrackedRootView;
     16 @class ToolbarController;
     17 class WrenchMenuModel;
     18 
     19 namespace WrenchMenuControllerInternal {
     20 class ZoomLevelObserver;
     21 }  // namespace WrenchMenuControllerInternal
     22 
     23 // The Wrench menu has a creative layout, with buttons in menu items. There is
     24 // a cross-platform model for this special menu, but on the Mac it's easier to
     25 // get spacing and alignment precisely right using a NIB. To do that, we
     26 // subclass the generic MenuController implementation and special-case the two
     27 // items that require specific layout and load them from the NIB.
     28 //
     29 // This object is instantiated in Toolbar.xib and is configured by the
     30 // ToolbarController.
     31 @interface WrenchMenuController : MenuController<NSMenuDelegate> {
     32   IBOutlet MenuTrackedRootView* editItem_;
     33   IBOutlet NSButton* editCut_;
     34   IBOutlet NSButton* editCopy_;
     35   IBOutlet NSButton* editPaste_;
     36 
     37   IBOutlet MenuTrackedRootView* zoomItem_;
     38   IBOutlet NSButton* zoomPlus_;
     39   IBOutlet NSButton* zoomDisplay_;
     40   IBOutlet NSButton* zoomMinus_;
     41   IBOutlet NSButton* zoomFullScreen_;
     42 
     43   scoped_ptr<WrenchMenuControllerInternal::ZoomLevelObserver> observer_;
     44 }
     45 
     46 // Designated initializer; called within the NIB.
     47 - (id)init;
     48 
     49 // Used to dispatch commands from the Wrench menu. The custom items within the
     50 // menu cannot be hooked up directly to First Responder because the window in
     51 // which the controls reside is not the BrowserWindowController, but a
     52 // NSCarbonMenuWindow; this screws up the typical |-commandDispatch:| system.
     53 - (IBAction)dispatchWrenchMenuCommand:(id)sender;
     54 
     55 // Returns the weak reference to the WrenchMenuModel.
     56 - (WrenchMenuModel*)wrenchMenuModel;
     57 
     58 @end
     59 
     60 ////////////////////////////////////////////////////////////////////////////////
     61 
     62 @interface WrenchMenuController (UnitTesting)
     63 // |-dispatchWrenchMenuCommand:| calls this after it has determined the tag of
     64 // the sender. The default implementation executes the command on the outermost
     65 // run loop using |-performSelector...withDelay:|. This is not desirable in
     66 // unit tests because it's hard to test around run loops in a deterministic
     67 // manner. To avoid those headaches, tests should provide an alternative
     68 // implementation.
     69 - (void)dispatchCommandInternal:(NSInteger)tag;
     70 @end
     71 
     72 #endif  // CHROME_BROWSER_UI_COCOA_WRENCH_MENU_WRENCH_MENU_CONTROLLER_H_
     73