chrome/browser/ui/cocoa/autofill/password_generation_popup_view_cocoa.mm - platform/external/chromium_org - Git at Google

 // Copyright 2014 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/ui/cocoa/autofill/password_generation_popup_view_cocoa.h"

 #include <cmath>

 #include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view.h"
 #include "chrome/browser/ui/autofill/popup_constants.h"
 #include "chrome/browser/ui/chrome_style.h"
 #include "chrome/browser/ui/cocoa/autofill/password_generation_popup_view_bridge.h"
 #import "chrome/browser/ui/cocoa/hyperlink_text_view.h"
 #import "chrome/browser/ui/cocoa/l10n_util.h"
 #include "components/autofill/core/browser/popup_item_ids.h"
 #include "grit/theme_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/range/range.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/text_constants.h"

 using autofill::AutofillPopupView;
 using autofill::PasswordGenerationPopupController;
 using autofill::PasswordGenerationPopupView;
 using base::scoped_nsobject;

 namespace {

 // The height of the divider between the password and help sections, in pixels.
 const CGFloat kDividerHeight = 1;

 // The amount of whitespace, in pixels, between lines of text in the password
 // section.
 const CGFloat kPasswordSectionVerticalSeparation = 5;

 NSColor* DividerColor() {
   return gfx::SkColorToCalibratedNSColor(
       PasswordGenerationPopupView::kDividerColor);
 }

 NSColor* HelpTextBackgroundColor() {
   return gfx::SkColorToCalibratedNSColor(
       PasswordGenerationPopupView::kExplanatoryTextBackgroundColor);
 }

 NSColor* HelpTextColor() {
   return gfx::SkColorToCalibratedNSColor(
       PasswordGenerationPopupView::kExplanatoryTextColor);
 }

 NSColor* HelpLinkColor() {
   return gfx::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
 }

 }  // namespace

 @implementation PasswordGenerationPopupViewCocoa

 #pragma mark Initialisers

 - (id)initWithFrame:(NSRect)frame {
   NOTREACHED();
   return nil;
 }

 - (id)initWithController:
     (autofill::PasswordGenerationPopupController*)controller
                    frame:(NSRect)frame {
   if (self = [super initWithDelegate:controller frame:frame]) {
     controller_ = controller;

     passwordSection_.reset([[NSView alloc] initWithFrame:NSZeroRect]);
     [self addSubview:passwordSection_];

     passwordField_.reset(
         [[self textFieldWithText:controller_->password()
                       attributes:[self passwordAttributes]] retain]);
     [passwordSection_ addSubview:passwordField_];

     passwordTitleField_.reset(
         [[self textFieldWithText:controller_->SuggestedText()
                       attributes:[self passwordTitleAttributes]] retain]);
     [passwordSection_ addSubview:passwordTitleField_];

     keyIcon_.reset([[NSImageView alloc] initWithFrame:NSZeroRect]);
     NSImage* keyImage = ResourceBundle::GetSharedInstance()
         .GetImageNamed(IDR_GENERATE_PASSWORD_KEY)
         .ToNSImage();
     [keyIcon_ setImage:keyImage];
     [passwordSection_ addSubview:keyIcon_];

     divider_.reset([[NSBox alloc] initWithFrame:NSZeroRect]);
     [divider_ setBoxType:NSBoxCustom];
     [divider_ setBorderType:NSLineBorder];
     [divider_ setBorderColor:DividerColor()];
     [self addSubview:divider_];

     helpTextView_.reset([[HyperlinkTextView alloc] initWithFrame:NSZeroRect]);
     [helpTextView_ setMessage:base::SysUTF16ToNSString(controller_->HelpText())
                      withFont:[self textFont]
                  messageColor:HelpTextColor()];
     [helpTextView_ addLinkRange:controller_->HelpTextLinkRange().ToNSRange()
                        withName:@""
                       linkColor:HelpLinkColor()];
     [helpTextView_ setDelegate:self];
     [helpTextView_ setDrawsBackground:YES];
     [helpTextView_ setBackgroundColor:HelpTextBackgroundColor()];
     [helpTextView_
         setTextContainerInset:NSMakeSize(controller_->kHorizontalPadding,
                                          controller_->kHelpVerticalPadding)];
     // Remove the underlining.
     NSTextStorage* text = [helpTextView_ textStorage];
     [text addAttribute:NSUnderlineStyleAttributeName
                  value:@(NSUnderlineStyleNone)
                  range:controller_->HelpTextLinkRange().ToNSRange()];
     [self addSubview:helpTextView_];
 }

   return self;
 }

 #pragma mark NSView implementation:

 - (void)drawRect:(NSRect)dirtyRect {
   [super drawRect:dirtyRect];

   // If the view is in the process of being destroyed, don't bother drawing.
   if (!controller_)
     return;

   [self drawBackgroundAndBorder];

   if (controller_->password_selected()) {
     // Draw a highlight under the suggested password.
     NSRect highlightBounds = [passwordSection_ frame];
     [[self highlightColor] set];
     [NSBezierPath fillRect:highlightBounds];
   }
 }

 #pragma mark Public API:

 - (NSSize)preferredSize {
   const NSSize passwordTitleSize =
       [base::SysUTF16ToNSString(controller_->SuggestedText())
           sizeWithAttributes:@{ NSFontAttributeName : [self boldFont] }];
   const NSSize passwordSize = [base::SysUTF16ToNSString(controller_->password())
       sizeWithAttributes:@{ NSFontAttributeName : [self textFont] }];

   CGFloat width =
       autofill::kPopupBorderThickness +
       controller_->kHorizontalPadding +
       [[keyIcon_ image] size].width +
       controller_->kHorizontalPadding +
       std::max(passwordSize.width, passwordTitleSize.width) +
       controller_->kHorizontalPadding +
       autofill::kPopupBorderThickness;

   width = std::max(width, (CGFloat)controller_->GetMinimumWidth());

   CGFloat height =
       autofill::kPopupBorderThickness +
       controller_->kHelpVerticalPadding +
       [self helpSizeForPopupWidth:width].height +
       controller_->kHelpVerticalPadding +
       autofill::kPopupBorderThickness;

   if (controller_->display_password())
     height += controller_->kPopupPasswordSectionHeight;

   return NSMakeSize(width, height);
 }

 - (void)updateBoundsAndRedrawPopup {
   const CGFloat popupWidth = controller_->popup_bounds().width();
   const CGFloat contentWidth =
       popupWidth - (2 * autofill::kPopupBorderThickness);
   const CGFloat contentHeight = controller_->popup_bounds().height() -
                                 (2 * autofill::kPopupBorderThickness);

   if (controller_->display_password()) {
     // The password can change while the bubble is shown: If the user has
     // accepted the password and then selects the form again and starts deleting
     // the password, the field will be initially invisible and then become
     // visible.
     [self updatePassword];

     // Lay out the password section, which includes the key icon, the title, and
     // the suggested password.
     [passwordSection_
         setFrame:NSMakeRect(autofill::kPopupBorderThickness,
                             autofill::kPopupBorderThickness,
                             contentWidth,
                             controller_->kPopupPasswordSectionHeight)];

     // The key icon falls to the left of the title and password.
     const NSSize imageSize = [[keyIcon_ image] size];
     const CGFloat keyX = controller_->kHorizontalPadding;
     const CGFloat keyY =
         std::ceil((controller_->kPopupPasswordSectionHeight / 2.0) -
                   (imageSize.height / 2.0));
     [keyIcon_ setFrame:{ NSMakePoint(keyX, keyY), imageSize }];

     // The title and password fall to the right of the key icon and are centered
     // vertically as a group with some padding in between.
     [passwordTitleField_ sizeToFit];
     [passwordField_ sizeToFit];
     const CGFloat groupHeight = NSHeight([passwordField_ frame]) +
                                 kPasswordSectionVerticalSeparation +
                                 NSHeight([passwordTitleField_ frame]);
     const CGFloat groupX =
         NSMaxX([keyIcon_ frame]) + controller_->kHorizontalPadding;
     const CGFloat groupY =
         std::ceil((controller_->kPopupPasswordSectionHeight / 2.0) -
                   (groupHeight / 2.0));
     [passwordField_ setFrameOrigin:NSMakePoint(groupX, groupY)];
     const CGFloat titleY = groupY +
                            NSHeight([passwordField_ frame]) +
                            kPasswordSectionVerticalSeparation;
     [passwordTitleField_ setFrameOrigin:NSMakePoint(groupX, titleY)];

     // Layout the divider, which falls immediately below the password section.
     const CGFloat dividerX = autofill::kPopupBorderThickness;
     const CGFloat dividerY = NSMaxY([passwordSection_ frame]);
     NSRect dividerFrame =
         NSMakeRect(dividerX, dividerY, contentWidth, kDividerHeight);
     [divider_ setFrame:dividerFrame];
   }

   // Layout the help section beneath the divider (if applicable, otherwise
   // beneath the border).
   const CGFloat helpX = autofill::kPopupBorderThickness;
   const CGFloat helpY = controller_->display_password()
       ? NSMaxY([divider_ frame])
       : autofill::kPopupBorderThickness;
   const CGFloat helpHeight = contentHeight -
                              NSHeight([passwordSection_ frame]) -
                              NSHeight([divider_ frame]);
   [helpTextView_ setFrame:NSMakeRect(helpX, helpY, contentWidth, helpHeight)];

   [super updateBoundsAndRedrawPopup];
 }

 - (BOOL)isPointInPasswordBounds:(NSPoint)point {
   return NSPointInRect(point, [passwordSection_ frame]);
 }

 - (void)controllerDestroyed {
   controller_ = NULL;
   [super delegateDestroyed];
 }

 #pragma mark NSTextViewDelegate implementation:

 - (BOOL)textView:(NSTextView*)textView
    clickedOnLink:(id)link
          atIndex:(NSUInteger)charIndex {
   controller_->OnSavedPasswordsLinkClicked();
   return YES;
 }

 #pragma mark Private helpers:

 - (void)updatePassword {
   base::scoped_nsobject<NSMutableAttributedString> updatedPassword(
       [[NSMutableAttributedString alloc]
           initWithString:base::SysUTF16ToNSString(controller_->password())
               attributes:[self passwordAttributes]]);
   [passwordField_ setAttributedStringValue:updatedPassword];
 }

 - (NSDictionary*)passwordTitleAttributes {
   scoped_nsobject<NSMutableParagraphStyle> paragraphStyle(
       [[NSMutableParagraphStyle alloc] init]);
   [paragraphStyle setAlignment:NSLeftTextAlignment];
   return @{
     NSFontAttributeName : [self boldFont],
     NSForegroundColorAttributeName : [self nameColor],
     NSParagraphStyleAttributeName : paragraphStyle.autorelease()
   };
 }

 - (NSDictionary*)passwordAttributes {
   scoped_nsobject<NSMutableParagraphStyle> paragraphStyle(
       [[NSMutableParagraphStyle alloc] init]);
   [paragraphStyle setAlignment:NSLeftTextAlignment];
   return @{
     NSFontAttributeName : [self textFont],
     NSForegroundColorAttributeName : [self nameColor],
     NSParagraphStyleAttributeName : paragraphStyle.autorelease()
   };
 }

 - (NSTextField*)textFieldWithText:(const base::string16&)text
                        attributes:(NSDictionary*)attributes {
   NSTextField* textField =
       [[[NSTextField alloc] initWithFrame:NSZeroRect] autorelease];
   scoped_nsobject<NSAttributedString> attributedString(
       [[NSAttributedString alloc]
           initWithString:base::SysUTF16ToNSString(text)
               attributes:attributes]);
   [textField setAttributedStringValue:attributedString.autorelease()];
   [textField setEditable:NO];
   [textField setSelectable:NO];
   [textField setDrawsBackground:NO];
   [textField setBezeled:NO];
   return textField;
 }

 - (NSSize)helpSizeForPopupWidth:(CGFloat)width {
   const CGFloat helpWidth = width -
                             2 * controller_->kHorizontalPadding -
                             2 * autofill::kPopupBorderThickness;
   const NSSize size = NSMakeSize(helpWidth, MAXFLOAT);
   NSRect textFrame = [base::SysUTF16ToNSString(controller_->HelpText())
       boundingRectWithSize:size
                    options:NSLineBreakByWordWrapping |
                            NSStringDrawingUsesLineFragmentOrigin
                 attributes:@{ NSFontAttributeName : [self textFont] }];
   return textFrame.size;
 }

 - (NSFont*)boldFont {
   return [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
 }

 - (NSFont*)textFont {
   return [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
 }

 @end
	// Copyright 2014 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/ui/cocoa/autofill/password_generation_popup_view_cocoa.h"

	#include <cmath>

	#include "base/logging.h"
	#include "base/strings/sys_string_conversions.h"
	#include "chrome/browser/ui/autofill/autofill_popup_controller.h"
	#include "chrome/browser/ui/autofill/autofill_popup_view.h"
	#include "chrome/browser/ui/autofill/popup_constants.h"
	#include "chrome/browser/ui/chrome_style.h"
	#include "chrome/browser/ui/cocoa/autofill/password_generation_popup_view_bridge.h"
	#import "chrome/browser/ui/cocoa/hyperlink_text_view.h"
	#import "chrome/browser/ui/cocoa/l10n_util.h"
	#include "components/autofill/core/browser/popup_item_ids.h"
	#include "grit/theme_resources.h"
	#include "skia/ext/skia_utils_mac.h"
	#include "ui/base/resource/resource_bundle.h"
	#include "ui/gfx/font_list.h"
	#include "ui/gfx/image/image.h"
	#include "ui/gfx/point.h"
	#include "ui/gfx/range/range.h"
	#include "ui/gfx/rect.h"
	#include "ui/gfx/text_constants.h"

	using autofill::AutofillPopupView;
	using autofill::PasswordGenerationPopupController;
	using autofill::PasswordGenerationPopupView;
	using base::scoped_nsobject;

	namespace {

	// The height of the divider between the password and help sections, in pixels.
	const CGFloat kDividerHeight = 1;

	// The amount of whitespace, in pixels, between lines of text in the password
	// section.
	const CGFloat kPasswordSectionVerticalSeparation = 5;

	NSColor* DividerColor() {
	return gfx::SkColorToCalibratedNSColor(
	PasswordGenerationPopupView::kDividerColor);
	}

	NSColor* HelpTextBackgroundColor() {
	return gfx::SkColorToCalibratedNSColor(
	PasswordGenerationPopupView::kExplanatoryTextBackgroundColor);
	}

	NSColor* HelpTextColor() {
	return gfx::SkColorToCalibratedNSColor(
	PasswordGenerationPopupView::kExplanatoryTextColor);
	}

	NSColor* HelpLinkColor() {
	return gfx::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
	}

	} // namespace

	@implementation PasswordGenerationPopupViewCocoa

	#pragma mark Initialisers

	- (id)initWithFrame:(NSRect)frame {
	NOTREACHED();
	return nil;
	}

	- (id)initWithController:
	(autofill::PasswordGenerationPopupController*)controller
	frame:(NSRect)frame {
	if (self = [super initWithDelegate:controller frame:frame]) {
	controller_ = controller;

	passwordSection_.reset([[NSView alloc] initWithFrame:NSZeroRect]);
	[self addSubview:passwordSection_];

	passwordField_.reset(
	[[self textFieldWithText:controller_->password()
	attributes:[self passwordAttributes]] retain]);
	[passwordSection_ addSubview:passwordField_];

	passwordTitleField_.reset(
	[[self textFieldWithText:controller_->SuggestedText()
	attributes:[self passwordTitleAttributes]] retain]);
	[passwordSection_ addSubview:passwordTitleField_];

	keyIcon_.reset([[NSImageView alloc] initWithFrame:NSZeroRect]);
	NSImage* keyImage = ResourceBundle::GetSharedInstance()
	.GetImageNamed(IDR_GENERATE_PASSWORD_KEY)
	.ToNSImage();
	[keyIcon_ setImage:keyImage];
	[passwordSection_ addSubview:keyIcon_];

	divider_.reset([[NSBox alloc] initWithFrame:NSZeroRect]);
	[divider_ setBoxType:NSBoxCustom];
	[divider_ setBorderType:NSLineBorder];
	[divider_ setBorderColor:DividerColor()];
	[self addSubview:divider_];

	helpTextView_.reset([[HyperlinkTextView alloc] initWithFrame:NSZeroRect]);
	[helpTextView_ setMessage:base::SysUTF16ToNSString(controller_->HelpText())
	withFont:[self textFont]
	messageColor:HelpTextColor()];
	[helpTextView_ addLinkRange:controller_->HelpTextLinkRange().ToNSRange()
	withName:@""
	linkColor:HelpLinkColor()];
	[helpTextView_ setDelegate:self];
	[helpTextView_ setDrawsBackground:YES];
	[helpTextView_ setBackgroundColor:HelpTextBackgroundColor()];
	[helpTextView_
	setTextContainerInset:NSMakeSize(controller_->kHorizontalPadding,
	controller_->kHelpVerticalPadding)];
	// Remove the underlining.
	NSTextStorage* text = [helpTextView_ textStorage];
	[text addAttribute:NSUnderlineStyleAttributeName
	value:@(NSUnderlineStyleNone)
	range:controller_->HelpTextLinkRange().ToNSRange()];
	[self addSubview:helpTextView_];
	}

	return self;
	}

	#pragma mark NSView implementation:

	- (void)drawRect:(NSRect)dirtyRect {
	[super drawRect:dirtyRect];

	// If the view is in the process of being destroyed, don't bother drawing.
	if (!controller_)
	return;

	[self drawBackgroundAndBorder];

	if (controller_->password_selected()) {
	// Draw a highlight under the suggested password.
	NSRect highlightBounds = [passwordSection_ frame];
	[[self highlightColor] set];
	[NSBezierPath fillRect:highlightBounds];
	}
	}

	#pragma mark Public API:

	- (NSSize)preferredSize {
	const NSSize passwordTitleSize =
	[base::SysUTF16ToNSString(controller_->SuggestedText())
	sizeWithAttributes:@{ NSFontAttributeName : [self boldFont] }];
	const NSSize passwordSize = [base::SysUTF16ToNSString(controller_->password())
	sizeWithAttributes:@{ NSFontAttributeName : [self textFont] }];

	CGFloat width =
	autofill::kPopupBorderThickness +
	controller_->kHorizontalPadding +
	[[keyIcon_ image] size].width +
	controller_->kHorizontalPadding +
	std::max(passwordSize.width, passwordTitleSize.width) +
	controller_->kHorizontalPadding +
	autofill::kPopupBorderThickness;

	width = std::max(width, (CGFloat)controller_->GetMinimumWidth());

	CGFloat height =
	autofill::kPopupBorderThickness +
	controller_->kHelpVerticalPadding +
	[self helpSizeForPopupWidth:width].height +
	controller_->kHelpVerticalPadding +
	autofill::kPopupBorderThickness;

	if (controller_->display_password())
	height += controller_->kPopupPasswordSectionHeight;

	return NSMakeSize(width, height);
	}

	- (void)updateBoundsAndRedrawPopup {
	const CGFloat popupWidth = controller_->popup_bounds().width();
	const CGFloat contentWidth =
	popupWidth - (2 * autofill::kPopupBorderThickness);
	const CGFloat contentHeight = controller_->popup_bounds().height() -
	(2 * autofill::kPopupBorderThickness);

	if (controller_->display_password()) {
	// The password can change while the bubble is shown: If the user has
	// accepted the password and then selects the form again and starts deleting
	// the password, the field will be initially invisible and then become
	// visible.
	[self updatePassword];

	// Lay out the password section, which includes the key icon, the title, and
	// the suggested password.
	[passwordSection_
	setFrame:NSMakeRect(autofill::kPopupBorderThickness,
	autofill::kPopupBorderThickness,
	contentWidth,
	controller_->kPopupPasswordSectionHeight)];

	// The key icon falls to the left of the title and password.
	const NSSize imageSize = [[keyIcon_ image] size];
	const CGFloat keyX = controller_->kHorizontalPadding;
	const CGFloat keyY =
	std::ceil((controller_->kPopupPasswordSectionHeight / 2.0) -
	(imageSize.height / 2.0));
	[keyIcon_ setFrame:{ NSMakePoint(keyX, keyY), imageSize }];

	// The title and password fall to the right of the key icon and are centered
	// vertically as a group with some padding in between.
	[passwordTitleField_ sizeToFit];
	[passwordField_ sizeToFit];
	const CGFloat groupHeight = NSHeight([passwordField_ frame]) +
	kPasswordSectionVerticalSeparation +
	NSHeight([passwordTitleField_ frame]);
	const CGFloat groupX =
	NSMaxX([keyIcon_ frame]) + controller_->kHorizontalPadding;
	const CGFloat groupY =
	std::ceil((controller_->kPopupPasswordSectionHeight / 2.0) -
	(groupHeight / 2.0));
	[passwordField_ setFrameOrigin:NSMakePoint(groupX, groupY)];
	const CGFloat titleY = groupY +
	NSHeight([passwordField_ frame]) +
	kPasswordSectionVerticalSeparation;
	[passwordTitleField_ setFrameOrigin:NSMakePoint(groupX, titleY)];

	// Layout the divider, which falls immediately below the password section.
	const CGFloat dividerX = autofill::kPopupBorderThickness;
	const CGFloat dividerY = NSMaxY([passwordSection_ frame]);
	NSRect dividerFrame =
	NSMakeRect(dividerX, dividerY, contentWidth, kDividerHeight);
	[divider_ setFrame:dividerFrame];
	}

	// Layout the help section beneath the divider (if applicable, otherwise
	// beneath the border).
	const CGFloat helpX = autofill::kPopupBorderThickness;
	const CGFloat helpY = controller_->display_password()
	? NSMaxY([divider_ frame])
	: autofill::kPopupBorderThickness;
	const CGFloat helpHeight = contentHeight -
	NSHeight([passwordSection_ frame]) -
	NSHeight([divider_ frame]);
	[helpTextView_ setFrame:NSMakeRect(helpX, helpY, contentWidth, helpHeight)];

	[super updateBoundsAndRedrawPopup];
	}

	- (BOOL)isPointInPasswordBounds:(NSPoint)point {
	return NSPointInRect(point, [passwordSection_ frame]);
	}

	- (void)controllerDestroyed {
	controller_ = NULL;
	[super delegateDestroyed];
	}

	#pragma mark NSTextViewDelegate implementation:

	- (BOOL)textView:(NSTextView*)textView
	clickedOnLink:(id)link
	atIndex:(NSUInteger)charIndex {
	controller_->OnSavedPasswordsLinkClicked();
	return YES;
	}

	#pragma mark Private helpers:

	- (void)updatePassword {
	base::scoped_nsobject<NSMutableAttributedString> updatedPassword(
	[[NSMutableAttributedString alloc]
	initWithString:base::SysUTF16ToNSString(controller_->password())
	attributes:[self passwordAttributes]]);
	[passwordField_ setAttributedStringValue:updatedPassword];
	}

	- (NSDictionary*)passwordTitleAttributes {
	scoped_nsobject<NSMutableParagraphStyle> paragraphStyle(
	[[NSMutableParagraphStyle alloc] init]);
	[paragraphStyle setAlignment:NSLeftTextAlignment];
	return @{
	NSFontAttributeName : [self boldFont],
	NSForegroundColorAttributeName : [self nameColor],
	NSParagraphStyleAttributeName : paragraphStyle.autorelease()
	};
	}

	- (NSDictionary*)passwordAttributes {
	scoped_nsobject<NSMutableParagraphStyle> paragraphStyle(
	[[NSMutableParagraphStyle alloc] init]);
	[paragraphStyle setAlignment:NSLeftTextAlignment];
	return @{
	NSFontAttributeName : [self textFont],
	NSForegroundColorAttributeName : [self nameColor],
	NSParagraphStyleAttributeName : paragraphStyle.autorelease()
	};
	}

	- (NSTextField*)textFieldWithText:(const base::string16&)text
	attributes:(NSDictionary*)attributes {
	NSTextField* textField =
	[[[NSTextField alloc] initWithFrame:NSZeroRect] autorelease];
	scoped_nsobject<NSAttributedString> attributedString(
	[[NSAttributedString alloc]
	initWithString:base::SysUTF16ToNSString(text)
	attributes:attributes]);
	[textField setAttributedStringValue:attributedString.autorelease()];
	[textField setEditable:NO];
	[textField setSelectable:NO];
	[textField setDrawsBackground:NO];
	[textField setBezeled:NO];
	return textField;
	}

	- (NSSize)helpSizeForPopupWidth:(CGFloat)width {
	const CGFloat helpWidth = width -
	2 * controller_->kHorizontalPadding -
	2 * autofill::kPopupBorderThickness;
	const NSSize size = NSMakeSize(helpWidth, MAXFLOAT);
	NSRect textFrame = [base::SysUTF16ToNSString(controller_->HelpText())
	boundingRectWithSize:size
	options:NSLineBreakByWordWrapping \|
	NSStringDrawingUsesLineFragmentOrigin
	attributes:@{ NSFontAttributeName : [self textFont] }];
	return textFrame.size;
	}

	- (NSFont*)boldFont {
	return [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
	}

	- (NSFont*)textFont {
	return [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
	}

	@end