[Mac] Implements context menus for Page Actions. Introduces a reusable subcla...

chrome/browser/cocoa/autocomplete_text_field_cell.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/cocoa/styled_text_field_cell.h"
 
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/cocoa/location_bar_view_mac.h"
 
+class ExtensionAction;
+
 // AutocompleteTextFieldCell extends StyledTextFieldCell to provide support for
 // certain decorations to be applied to the field.  These are the search hint
 // ("Type to search" on the right-hand side), the keyword hint ("Press [Tab] to
 // search Engine" on the right-hand side), and keyword mode ("Search Engine:" in
 // a button-like token on the left-hand side).
 @interface AutocompleteTextFieldCell : StyledTextFieldCell {
  @private
   // Set if there is a string to display in a rounded rect on the
   // left-hand side of the field.  Exclusive WRT |hintString_|.
   scoped_nsobject<NSAttributedString> keywordString_;
@@ skipping 47 matching lines @@
 - (NSRect)securityImageFrameForFrame:(NSRect)cellFrame;
 
 // Returns the portion of the cell to use for displaying the Page Action icon
 // at the given index. May be NSZeroRect if the index's action is not visible.
 - (NSRect)pageActionFrameForIndex:(size_t)index inFrame:(NSRect)cellFrame;
 
 // Returns the string to be shown on hover for the Page Action icon at the
 // given index.
 - (NSString*)pageActionToolTipForIndex:(size_t)index;
 
+// Returns a pointer to the ExtensionAction object that the view at the
+// specified index represents.
+- (ExtensionAction*)pageActionForIndex:(size_t)index;
+
 // Called when the Page Action at the given index, whose icon is drawn in the
 // iconFrame, is visible and clicked. Passed through to the list of views to
 // handle the click.
 - (void)onPageActionMousePressedIn:(NSRect)iconFrame forIndex:(size_t)index;
 
 @end
 
 // Internal methods here exposed for unit testing.
 @interface AutocompleteTextFieldCell (UnitTesting)
 
 @property(readonly) NSAttributedString* keywordString;
 @property(readonly) NSAttributedString* hintString;
 @property(readonly) NSAttributedString* hintIconLabel;
 
 @end