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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