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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import <Cocoa/Cocoa.h> | 5 #import <Cocoa/Cocoa.h> |
6 | 6 |
7 #include "base/memory/scoped_nsobject.h" | 7 #include "base/mac/scoped_nsobject.h" |
8 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h" | 8 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h" |
9 | 9 |
10 // Hover state machine. Encapsulates the hover state for | 10 // Hover state machine. Encapsulates the hover state for |
11 // BookmarkBarFolderController. | 11 // BookmarkBarFolderController. |
12 // A strict call order is implied with these calls. It is ONLY valid to make | 12 // A strict call order is implied with these calls. It is ONLY valid to make |
13 // the following state transitions: | 13 // the following state transitions: |
14 // From: To: Via: | 14 // From: To: Via: |
15 // closed opening scheduleOpen...: | 15 // closed opening scheduleOpen...: |
16 // opening closed cancelPendingOpen...: or | 16 // opening closed cancelPendingOpen...: or |
17 // open scheduleOpen...: completes. | 17 // open scheduleOpen...: completes. |
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32 enum HoverState { | 32 enum HoverState { |
33 kHoverStateClosed = 0, | 33 kHoverStateClosed = 0, |
34 kHoverStateOpening = 1, | 34 kHoverStateOpening = 1, |
35 kHoverStateOpen = 2, | 35 kHoverStateOpen = 2, |
36 kHoverStateClosing = 3 | 36 kHoverStateClosing = 3 |
37 }; | 37 }; |
38 | 38 |
39 // Like normal menus, hovering over a folder button causes it to | 39 // Like normal menus, hovering over a folder button causes it to |
40 // open. This variable is set when a hover is initiated (but has | 40 // open. This variable is set when a hover is initiated (but has |
41 // not necessarily fired yet). | 41 // not necessarily fired yet). |
42 scoped_nsobject<BookmarkButton> hoverButton_; | 42 base::scoped_nsobject<BookmarkButton> hoverButton_; |
43 | 43 |
44 // We model hover state as a state machine with specific allowable | 44 // We model hover state as a state machine with specific allowable |
45 // transitions. |hoverState_| is the state of this machine at any | 45 // transitions. |hoverState_| is the state of this machine at any |
46 // given time. | 46 // given time. |
47 HoverState hoverState_; | 47 HoverState hoverState_; |
48 } | 48 } |
49 | 49 |
50 // Designated initializer. | 50 // Designated initializer. |
51 - (id)init; | 51 - (id)init; |
52 | 52 |
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69 - (void)scheduleOpenBookmarkFolderOnHoverButton:(BookmarkButton*)hoverButton; | 69 - (void)scheduleOpenBookmarkFolderOnHoverButton:(BookmarkButton*)hoverButton; |
70 - (void)cancelPendingOpenBookmarkFolderOnHoverButton; | 70 - (void)cancelPendingOpenBookmarkFolderOnHoverButton; |
71 @end | 71 @end |
72 | 72 |
73 // Exposing these for unit testing purposes. They are used only in tests. | 73 // Exposing these for unit testing purposes. They are used only in tests. |
74 @interface BookmarkBarFolderHoverState(TestingAPI) | 74 @interface BookmarkBarFolderHoverState(TestingAPI) |
75 // Accessors and setters for button and hover state. | 75 // Accessors and setters for button and hover state. |
76 - (BookmarkButton*)hoverButton; | 76 - (BookmarkButton*)hoverButton; |
77 - (HoverState)hoverState; | 77 - (HoverState)hoverState; |
78 @end | 78 @end |
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