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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>
#include "base/mac/scoped_nsobject.h"
#import "chrome/browser/ui/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 {
@private
// Decorations which live before and after the text, ordered
// from outside in. Decorations are owned by |LocationBarViewMac|.
std::vector<LocationBarDecoration*> leadingDecorations_;
std::vector<LocationBarDecoration*> trailingDecorations_;
// The decoration associated to the current dragging session.
LocationBarDecoration* draggedDecoration_;
// Decorations with tracking areas attached to the AutocompleteTextField.
std::vector<LocationBarDecoration*> mouseTrackingDecorations_;
// If YES then the text field will not draw a focus ring or show the insertion
// pointer.
BOOL hideFocusState_;
// YES if this field is shown in a popup window.
BOOL isPopupMode_;
// Retains the NSEvent that caused the controlView to become firstResponder.
base::scoped_nsobject<NSEvent> focusEvent_;
// The coordinate system line width that draws a single pixel line.
CGFloat singlePixelLineWidth_;
}
@property(assign, nonatomic) BOOL isPopupMode;
@property(assign, nonatomic) CGFloat singlePixelLineWidth;
// Line height used for text in this cell.
- (CGFloat)lineHeight;
// Remove all of the tracking areas.
- (void)clearTrackingArea;
// Clear |leftDecorations_| and |rightDecorations_|.
- (void)clearDecorations;
// Add a new leading decoration after the existing
// leading decorations.
- (void)addLeadingDecoration:(LocationBarDecoration*)decoration;
// Add a new trailing decoration before the existing
// trailing decorations.
- (void)addTrailingDecoration:(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
inFrame:(NSRect)cellFrame;
// Returns the frame representing the background of |decoration|. Also sets
// |isLeftDecoration| according to whether the decoration appears on the left or
// the right side of the text field.
- (NSRect)backgroundFrameForDecoration:(LocationBarDecoration*)decoration
inFrame:(NSRect)cellFrame
isLeftDecoration:(BOOL*)isLeftDecoration;
// Returns true if it's okay to drop dragged data into the view at the
// given location.
- (BOOL)canDropAtLocationInWindow:(NSPoint)location
ofView:(AutocompleteTextField*)controlView;
// Find the decoration under the location in the window. Return |NULL| if
// there's nothing in the location.
- (LocationBarDecoration*)decorationForLocationInWindow:(NSPoint)location
inRect:(NSRect)cellFrame
ofView:(AutocompleteTextField*)
field;
// Find the decoration under the event. |NULL| if |theEvent| is not
// over anything.
- (LocationBarDecoration*)decorationForEvent:(NSEvent*)theEvent
inRect:(NSRect)cellFrame
ofView:(AutocompleteTextField*)field;
// 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
inRect:(NSRect)cellFrame
ofView:(AutocompleteTextField*)controlView;
// Called by |AutocompleteTextField| to let page actions intercept
// clicks. Returns |YES| if the click has been intercepted.
- (BOOL)mouseDown:(NSEvent*)theEvent
inRect:(NSRect)cellFrame
ofView:(AutocompleteTextField*)controlView;
// Called by |AutocompleteTextField| to pass the mouse up event to the omnibox
// decorations.
- (void)mouseUp:(NSEvent*)theEvent
inRect:(NSRect)cellFrame
ofView:(AutocompleteTextField*)controlView;
// 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 and mouse tracking on |controlView| by calling
// |-addToolTip:forRect:| and |SetupTrackingArea()|.
- (void)updateMouseTrackingAndToolTipsInRect:(NSRect)cellFrame
ofView:
(AutocompleteTextField*)controlView;
// Gets and sets |hideFocusState|. This allows the text field to have focus but
// to appear unfocused.
- (BOOL)hideFocusState;
- (void)setHideFocusState:(BOOL)hideFocusState
ofView:(AutocompleteTextField*)controlView;
// Handles the |event| that caused |controlView| to become firstResponder.
- (void)handleFocusEvent:(NSEvent*)event
ofView:(AutocompleteTextField*)controlView;
@end
// Methods which are either only for testing, or only public for testing.
@interface AutocompleteTextFieldCell (TestingAPI)
// Returns |mouseTrackingDecorations_|.
- (const std::vector<LocationBarDecoration*>&)mouseTrackingDecorations;
@end
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