Menu for the OSX app launcher.

ui/app_list/cocoa/current_user_menu_item_view.mm

+// Copyright 2013 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 "ui/app_list/cocoa/current_user_menu_item_view.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_nsobject.h"
+#include "base/strings/sys_string_conversions.h"
+#include "grit/ui_resources.h"
+#include "ui/app_list/app_list_view_delegate.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace {
+
+// Padding on the left of the indicator icon.
+const CGFloat kMenuLeftMargin = 3;
+
+}
+
+@interface CurrentUserMenuItemView ()
+
+// Adds a text label in the custom view in the menu showing the current user.
+- (NSTextField*)addLabelWithFrame:(NSPoint)origin
+                        labelText:(const string16&)labelText;
+
+@end
+
+@implementation CurrentUserMenuItemView
+
+- (id)initWithDelegate:(app_list::AppListViewDelegate*)delegate {
+  DCHECK(delegate);
+  if ((self = [super initWithFrame:NSZeroRect])) {
+    NSImage* userImage = ui::ResourceBundle::GetSharedInstance().
+        GetNativeImageNamed(IDR_APP_LIST_USER_INDICATOR).AsNSImage();
+    NSRect imageRect = NSMakeRect(kMenuLeftMargin, 0, 0, 0);
+    imageRect.size = [userImage size];
+    scoped_nsobject<NSImageView> userImageView(
+        [[NSImageView alloc] initWithFrame:imageRect]);
+    [userImageView setImage:userImage];
+    [self addSubview:userImageView];
+
+    NSPoint labelOrigin = NSMakePoint(NSMaxX(imageRect), 0);
+    NSTextField* userField =
+        [self addLabelWithFrame:labelOrigin
+                      labelText:delegate->GetCurrentUserName()];
+
+    labelOrigin.y = NSMaxY([userField frame]);
+    NSTextField* emailField =
+        [self addLabelWithFrame:labelOrigin
+                      labelText:delegate->GetCurrentUserEmail()];
+    [emailField setTextColor:[NSColor disabledControlTextColor]];
+
+    // Size the container view to fit, and ensure the longest label appears

[sail, 2013/06/11 00:55:22]

Don't need comma

[tapted, 2013/06/11 02:32:44]

Done.

+    // centered (if it is the longest item in the menu).

[sail, 2013/06/11 00:55:22]

I don't understand how the labels would appear centered since you're just
expanding the container to fit the widest label.

[tapted, 2013/06/11 02:32:44]

I guess a better way to say it would be to ensure the longest menu item has
equal padding on both sides, but that's implicit from "fit the longest label".
So, comment is now just "Size the container view to fit the longest label." :)

+    NSRect labelFrame = [emailField frame];
+    if (NSWidth([userField frame]) > NSWidth(labelFrame))
+      labelFrame.size.width = NSWidth([userField frame]);
+    [self setFrameSize:NSMakeSize(
+        NSMaxX(labelFrame) + NSMaxX(imageRect),
+        NSMaxY(labelFrame))];
+  }
+  return self;
+}
+
+- (NSTextField*)addLabelWithFrame:(NSPoint)origin
+                        labelText:(const string16&)labelText {
+  NSRect labelFrame = NSZeroRect;
+  labelFrame.origin = origin;
+  scoped_nsobject<NSTextField> label(
+      [[NSTextField alloc] initWithFrame:labelFrame]);
+  [label setStringValue:base::SysUTF16ToNSString(labelText)];
+  [label setEditable:NO];
+  [label setBordered:NO];
+  [label setDrawsBackground:NO];
+  [label setFont:[NSFont menuFontOfSize:0]];
+  [label sizeToFit];
+  [self addSubview:label];
+  return label.autorelease();
+}
+
+- (BOOL)isFlipped {
+  return YES;
+}
+
+@end