Refactor security-icon code to a more general form

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>
 
 #include "base/scoped_nsobject.h"
+#include "chrome/browser/cocoa/location_bar_view_mac.h"
 
 // AutocompleteTextFieldCell customizes the look of the Omnibox text
 // field.  The border and focus ring are modified, as is the font
 // baseline.
 
 // The cell also provides 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 : NSTextFieldCell {
  @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_;
 
   // Set if there is a string to display as a hint on the right-hand
   // side of the field.  Exclusive WRT |keywordString_|;
   scoped_nsobject<NSAttributedString> hintString_;
 
-  // Icon that represents the state of the SSL connection
-  scoped_nsobject<NSImage> hintIcon_;
-
-  // Optional text that appears to the right of the hint icon which
-  // appears only alongside the icon (i.e., it's possible to display a
-  // hintIcon without an hintIconLabel, but not vice-versa).
-  scoped_nsobject<NSAttributedString> hintIconLabel_;
+  // View showing the state of the SSL connection. Owned by the location bar.
+  // Display is exclusive WRT the |hintString_| and |keywordString_|.
+  // This may be NULL during testing.
+  LocationBarViewMac::SecurityImageView* security_image_view_;
 }
 
 // Chooses |partialString| if |width| won't fit |fullString|.  Strings
 // must be non-nil.
 - (void)setKeywordString:(NSString*)fullString
            partialString:(NSString*)partialString
           availableWidth:(CGFloat)width;
 
 // Chooses |anImage| only if all pieces won't fit w/in |width|.
 // Inputs must be non-nil.
 - (void)setKeywordHintPrefix:(NSString*)prefixString
                        image:(NSImage*)anImage
                       suffix:(NSString*)suffixString
               availableWidth:(CGFloat)width;
 
 // Suppresses hint entirely if |aString| won't fit w/in |width|.
 // String must be non-nil.
 - (void)setSearchHintString:(NSString*)aString
              availableWidth:(CGFloat)width;
 - (void)clearKeywordAndHint;
 
-// Sets the hint icon and optional icon label. If |icon| is nil, the current
-// icon is cleared. If |label| is provided, |color| must be provided as well.
-- (void)setHintIcon:(NSImage*)icon label:(NSString*)label color:(NSColor*)color;
+- (void)setSecurityImageView:(LocationBarViewMac::SecurityImageView*)view;
+
+// Called when the security icon is visible and clicked. Passed through to the
+// security_image_view_ to handle the click (i.e., show the page info dialog).
+- (void)onSecurityIconMousePressed;
 
 // Return the portion of the cell to show the text cursor over.
 - (NSRect)textCursorFrameForFrame:(NSRect)cellFrame;
 
 // Return the portion of the cell to use for text display.  This
 // corresponds to the frame with our added decorations sliced off.
 - (NSRect)textFrameForFrame:(NSRect)cellFrame;
 
-// Return the portion of the cell to use for displaing the |hintIcon_|.
-- (NSRect)hintImageFrameForFrame:(NSRect)cellFrame;
+// Return the portion of the cell to use for displaying the security (SSL lock)
+// icon, leaving space for its label if any.
+- (NSRect)securityImageFrameForFrame:(NSRect)cellFrame;
 
 @end
 
 // Internal methods here exposed for unit testing.
 @interface AutocompleteTextFieldCell (UnitTesting)
 
 @property(readonly) NSAttributedString* keywordString;
 @property(readonly) NSAttributedString* hintString;
-@property(readonly) NSImage* hintIcon;
 @property(readonly) NSAttributedString* hintIconLabel;
 
 @end