chrome/browser/ui/cocoa/omnibox/omnibox_popup_matrix.h

   1 // Copyright 2013 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_OMNIBOX_OMNIBOX_POPUP_MATRIX_H_
   6 #define CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_MATRIX_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9
  10 #import "ui/base/cocoa/tracking_area.h"
  11 #include "ui/base/window_open_disposition.h"
  12
  13 @class OmniboxPopupMatrix;
  14
  15 class OmniboxPopupMatrixDelegate {
  16  public:
  17   // Called when the selection in the matrix changes.
  18   virtual void OnMatrixRowSelected(OmniboxPopupMatrix* matrix, size_t row) = 0;
  19
  20   // Called when the user clicks on a row.
  21   virtual void OnMatrixRowClicked(OmniboxPopupMatrix* matrix, size_t row) = 0;
  22
  23   // Called when the user middle clicks on a row.
  24   virtual void OnMatrixRowMiddleClicked(OmniboxPopupMatrix* matrix,
  25                                         size_t row) = 0;
  26 };
  27
  28 // Sets up a tracking area to implement hover by highlighting the cell the mouse
  29 // is over.
  30 @interface OmniboxPopupMatrix : NSMatrix {
  31   OmniboxPopupMatrixDelegate* delegate_;  // weak
  32   ui::ScopedCrTrackingArea trackingArea_;
  33 }
  34
  35 // Create a zero-size matrix.
  36 - (id)initWithDelegate:(OmniboxPopupMatrixDelegate*)delegate;
  37
  38 // Sets the delegate.
  39 - (void)setDelegate:(OmniboxPopupMatrixDelegate*)delegate;
  40
  41 // Return the currently highlighted row.  Returns -1 if no row is highlighted.
  42 - (NSInteger)highlightedRow;
  43
  44 @end
  45
  46 #endif  // CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_POPUP_MATRIX_H_