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// 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"
// 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_;
}
// 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;
// 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;
@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
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