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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_TABS_TAB_STRIP_VIEW_H_
      6 #define CHROME_BROWSER_UI_COCOA_TABS_TAB_STRIP_VIEW_H_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 
     10 #include "base/mac/scoped_nsobject.h"
     11 #import "chrome/browser/ui/cocoa/background_gradient_view.h"
     12 #import "chrome/browser/ui/cocoa/url_drop_target.h"
     13 
     14 @class NewTabButton;
     15 @class TabStripController;
     16 
     17 // A view class that handles rendering the tab strip and drops of URLS with
     18 // a positioning locator for drop feedback.
     19 
     20 @interface TabStripView : BackgroundGradientView<URLDropTarget> {
     21  @private
     22   TabStripController* controller_;  // Weak; owns us.
     23 
     24   NSTimeInterval lastMouseUp_;
     25 
     26   // Handles being a drag-and-drop target.
     27   base::scoped_nsobject<URLDropTargetHandler> dropHandler_;
     28 
     29   base::scoped_nsobject<NewTabButton> newTabButton_;
     30 
     31   // Whether the drop-indicator arrow is shown, and if it is, the coordinate of
     32   // its tip.
     33   BOOL dropArrowShown_;
     34   NSPoint dropArrowPosition_;
     35 }
     36 
     37 @property(assign, nonatomic) BOOL dropArrowShown;
     38 @property(assign, nonatomic) NSPoint dropArrowPosition;
     39 
     40 // Name starts with "get" because methods staring with "new" return retained
     41 // objects according to Cocoa's create rule.
     42 - (NewTabButton*)getNewTabButton;
     43 
     44 @end
     45 
     46 // Interface for the controller to set and clear the weak reference to itself.
     47 @interface TabStripView (TabStripControllerInterface)
     48 - (void)setController:(TabStripController*)controller;
     49 @end
     50 
     51 // Protected methods subclasses can override to alter behavior. Clients should
     52 // not call these directly.
     53 @interface TabStripView (Protected)
     54 - (void)drawBottomBorder:(NSRect)bounds;
     55 - (BOOL)doubleClickMinimizesWindow;
     56 @end
     57 
     58 @interface TabStripView (TestingAPI)
     59 - (void)setNewTabButton:(NewTabButton*)button;
     60 @end
     61 
     62 #endif  // CHROME_BROWSER_UI_COCOA_TABS_TAB_STRIP_VIEW_H_
     63