[Mac] Refactor location-bar autocomplete cell classes.

chrome/browser/cocoa/autocomplete_text_field_cell.mm

+// 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 "chrome/browser/cocoa/autocomplete_text_field_cell.h"
+#import "third_party/GTM/AppKit/GTMTheme.h"
+
+const NSInteger kBaselineOffset = 2;
+
+@implementation AutocompleteTextFieldCell
+
+- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView {
+  [[NSColor colorWithCalibratedWhite:1.0 alpha:0.25] set];
+  NSFrameRectWithWidthUsingOperation(cellFrame,  1, NSCompositeSourceOver);
+
+  NSRect frame = NSInsetRect(cellFrame, 0, 1);
+  [[NSColor whiteColor] setFill];
+  NSRect innerFrame = NSInsetRect(frame, 1, 1);
+  NSRectFill(innerFrame);
+
+  NSRect shadowFrame, restFrame;
+  NSDivideRect(innerFrame, &shadowFrame, &restFrame, 1, NSMinYEdge);
+
+  BOOL isMainWindow = [[controlView window] isMainWindow];
+  GTMTheme *theme = [controlView gtm_theme];
+  NSColor* stroke = [theme strokeColorForStyle:GTMThemeStyleToolBarButton
+                                         state:isMainWindow];
+  [stroke set];
+  NSFrameRectWithWidthUsingOperation(frame, 1.0, NSCompositeSourceOver);
+
+  // Draw the shadow.
+  [[NSColor colorWithCalibratedWhite:0.0 alpha:0.05] setFill];
+  NSRectFillUsingOperation(shadowFrame, NSCompositeSourceOver);
+
+  if ([self showsFirstResponder]) {
+    [[[NSColor keyboardFocusIndicatorColor] colorWithAlphaComponent:0.5] set];
+    NSFrameRectWithWidthUsingOperation(NSInsetRect(frame, 0, 0), 2,
+                                       NSCompositeSourceOver);
+  }
+
+  [self drawInteriorWithFrame:cellFrame
+                        inView:controlView];
+
+}
+
+- (void)drawInteriorWithFrame:(NSRect)cellFrame
+                       inView:(NSView*)controlView {
+  [super drawInteriorWithFrame:NSInsetRect(cellFrame, 0, kBaselineOffset)
+                        inView:controlView];
+}
+
+// Override these methods so that the field editor shows up in the right place
+- (void)editWithFrame:(NSRect)cellFrame
+               inView:(NSView*)controlView
+               editor:(NSText*)textObj
+             delegate:(id)anObject
+                event:(NSEvent*)theEvent {
+  [super editWithFrame:NSInsetRect(cellFrame, 0, kBaselineOffset)
+                inView:controlView
+                editor:textObj
+              delegate:anObject
+                 event:theEvent];
+}
+
+
+// Override these methods so that the field editor shows up in the right place
+- (void)selectWithFrame:(NSRect)cellFrame
+                 inView:(NSView*)controlView
+                 editor:(NSText*)textObj
+               delegate:(id)anObject
+                  start:(NSInteger)selStart
+                 length:(NSInteger)selLength {
+  [super selectWithFrame:NSInsetRect(cellFrame, 0, kBaselineOffset)
+                  inView:controlView editor:textObj
+                delegate:anObject
+                   start:selStart
+                  length:selLength];
+}
+
+@end