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// Copyright (c) 2010 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.

#include <vector>

#import <Cocoa/Cocoa.h>

#import "chrome/browser/cocoa/styled_text_field_cell.h"

@class AutocompleteTextField;
class LocationBarDecoration;

// 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 {
  // Decorations which live to the left and right of the text, ordered
  // from outside in.  Decorations are owned by |LocationBarViewMac|.
  std::vector<LocationBarDecoration*> leftDecorations_;
  std::vector<LocationBarDecoration*> rightDecorations_;

// Clear |leftDecorations_| and |rightDecorations_|.
- (void)clearDecorations;

// Add a new left-side decoration to the right of the existing
// left-side decorations.
- (void)addLeftDecoration:(LocationBarDecoration*)decoration;

// Add a new right-side decoration to the left of the existing
// right-side decorations.
- (void)addRightDecoration:(LocationBarDecoration*)decoration;

// The width available after accounting for decorations.
- (CGFloat)availableWidthInFrame:(const NSRect)frame;

// Return the frame for |aDecoration| if the cell is in |cellFrame|.
// Returns |NSZeroRect| for decorations which are not currently
// visible.
- (NSRect)frameForDecoration:(const LocationBarDecoration*)aDecoration

// Find the decoration under the event.  |NULL| if |theEvent| is not
// over anything.
- (LocationBarDecoration*)decorationForEvent:(NSEvent*)theEvent

// Return the appropriate menu for any decorations under event.
// Returns nil if no menu is present for the decoration, or if the
// event is not over a decoration.
- (NSMenu*)decorationMenuForEvent:(NSEvent*)theEvent

// Called by |AutocompleteTextField| to let page actions intercept
// clicks.  Returns |YES| if the click has been intercepted.
- (BOOL)mouseDown:(NSEvent*)theEvent

// Overridden from StyledTextFieldCell to include decorations adjacent
// to the text area which don't handle mouse clicks themselves.
// Keyword-search bubble, for instance.
- (NSRect)textCursorFrameForFrame:(NSRect)cellFrame;

// Setup decoration tooltips on |controlView| by calling
// |-addToolTip:forRect:|.
- (void)updateToolTipsInRect:(NSRect)cellFrame


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