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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 #import <Cocoa/Cocoa.h>
      6 
      7 #include "base/mac/scoped_nsobject.h"
      8 #import "chrome/browser/ui/cocoa/url_drop_target.h"
      9 
     10 @class AutocompleteTextField;
     11 class AutocompleteTextFieldObserver;
     12 
     13 // AutocompleteTextFieldEditor customized the AutocompletTextField
     14 // field editor (helper text-view used in editing).  It intercepts UI
     15 // events for forwarding to the core Omnibox code.  It also undoes
     16 // some of the effects of using styled text in the Omnibox (the text
     17 // is styled but should not appear that way when copied to the
     18 // pasteboard).
     19 
     20 // Field editor used for the autocomplete field.
     21 @interface AutocompleteTextFieldEditor : NSTextView<URLDropTarget> {
     22   // Handles being a drag-and-drop target. We handle DnD directly instead
     23   // allowing the |AutocompletTextField| to handle it (by making an empty
     24   // |-updateDragTypeRegistration|), since the latter results in a weird
     25   // start-up time regression.
     26   base::scoped_nsobject<URLDropTargetHandler> dropHandler_;
     27 
     28   base::scoped_nsobject<NSCharacterSet> forbiddenCharacters_;
     29 
     30   // Indicates if the field editor's interpretKeyEvents: method is being called.
     31   // If it's YES, then we should postpone the call to the observer's
     32   // OnDidChange() method after the field editor's interpretKeyEvents: method
     33   // is finished, rather than calling it in textDidChange: method. Because the
     34   // input method may update the marked text after inserting some text, but we
     35   // need the observer be aware of the marked text as well.
     36   BOOL interpretingKeyEvents_;
     37 
     38   // Indicates if the text has been changed by key events.
     39   BOOL textChangedByKeyEvents_;
     40 }
     41 
     42 // The delegate is always an AutocompleteTextField*.  Override the superclass
     43 // implementations to allow for proper typing.
     44 - (AutocompleteTextField*)delegate;
     45 - (void)setDelegate:(AutocompleteTextField*)delegate;
     46 
     47 // Sets attributed string programatically through the field editor's text
     48 // storage object.
     49 - (void)setAttributedString:(NSAttributedString*)aString;
     50 
     51 @end
     52 
     53 @interface AutocompleteTextFieldEditor(PrivateTestMethods)
     54 - (AutocompleteTextFieldObserver*)observer;
     55 - (void)pasteAndGo:sender;
     56 - (void)showURL:sender;
     57 @end
     58