chrome/browser/ui/cocoa/password_reuse_warning_view_controller.mm

// Copyright 2017 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/password_reuse_warning_view_controller.h"

#import "base/mac/scoped_nsobject.h"
#include "chrome/app/vector_icons/vector_icons.h"
#import "chrome/browser/ui/cocoa/chrome_style.h"
#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_button.h"
#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_control_utils.h"
#include "chrome/browser/ui/cocoa/key_equivalent_constants.h"
#include "chrome/browser/ui/cocoa/l10n_util.h"
#import "chrome/browser/ui/cocoa/password_reuse_warning_dialog_cocoa.h"
#include "components/strings/grit/components_strings.h"
#include "components/vector_icons/vector_icons.h"
#import "ui/base/cocoa/controls/imageview_utils.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/image/image_skia_util_mac.h"
#include "ui/gfx/paint_vector_icon.h"

namespace {

// Size of the security icon.
constexpr CGFloat kIconSize = 20;

constexpr CGFloat kWindowMinWidth = 500;
constexpr CGFloat kButtonGap = 8;
constexpr CGFloat kIconGap = 18;
constexpr CGFloat kBaselineAdjust = 1;

}  // namespace

@interface PasswordReuseWarningViewController () {
  PasswordReuseWarningDialogCocoa* owner_;  // weak.

  // UI elements.
  base::scoped_nsobject<NSBox> box_;
  base::scoped_nsobject<NSTextField> titleField_;
  base::scoped_nsobject<NSImageView> iconView_;
  base::scoped_nsobject<NSTextField> messageField_;
  base::scoped_nsobject<ConstrainedWindowButton> ignoreButton_;
  base::scoped_nsobject<ConstrainedWindowButton> changePasswordButton_;
}

@end

@implementation PasswordReuseWarningViewController

- (instancetype)initWithOwner:(PasswordReuseWarningDialogCocoa*)owner {
  if ((self = [super init])) {
    DCHECK(owner);
    owner_ = owner;
  }
  return self;
}

- (void)loadView {
  self.view = [[[NSView alloc] initWithFrame:NSZeroRect] autorelease];

  box_.reset([[NSBox alloc] initWithFrame:NSZeroRect]);
  [[self view] addSubview:box_];

  CGFloat dialogHeight = chrome_style::kClientBottomPadding;

  changePasswordButton_.reset(
      [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
  constrained_window::AddButton([self view], changePasswordButton_,
                                IDS_PAGE_INFO_CHANGE_PASSWORD_BUTTON, self,
                                @selector(changePassword:), true);
  [changePasswordButton_ setKeyEquivalent:kKeyEquivalentReturn];

  ignoreButton_.reset(
      [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
  constrained_window::AddButton([self view], ignoreButton_,
                                IDS_PAGE_INFO_IGNORE_PASSWORD_WARNING_BUTTON,
                                self, @selector(ignore:), true);

  dialogHeight += NSHeight([ignoreButton_ frame]) + chrome_style::kRowPadding;

  // Compute the dialog width using the title and buttons.
  const CGFloat buttonsWidth = NSWidth([changePasswordButton_ frame]) +
                               kButtonGap + NSWidth([ignoreButton_ frame]);
  const CGFloat titleIconWidth =
      NSWidth([titleField_ frame]) + kIconSize + kIconGap;

  // Dialog minimum width must include the padding.
  const CGFloat minWidth =
      kWindowMinWidth - 2 * chrome_style::kHorizontalPadding;
  const CGFloat width =
      std::max(minWidth, std::max(buttonsWidth, titleIconWidth));
  const CGFloat dialogWidth = width + 2 * chrome_style::kHorizontalPadding;

  CGFloat textLeftPadding =
      chrome_style::kHorizontalPadding + kIconSize + kIconGap;
  CGFloat textWidth = width - kIconSize - kIconGap;

  messageField_.reset([constrained_window::AddTextField(
      [self view], owner_->GetWarningDetailText(), chrome_style::kTextFontStyle)
      retain]);

  [messageField_
      setFrame:constrained_window::ComputeFrame(
                   [messageField_ attributedStringValue], textWidth, 0.0)];
  [messageField_ setFrameOrigin:NSMakePoint(textLeftPadding, dialogHeight)];
  dialogHeight += NSHeight([messageField_ frame]) + chrome_style::kRowPadding;

  BOOL isSoftWarning =
      safe_browsing::PasswordProtectionService::ShouldShowSofterWarning();
  int titleTextId = isSoftWarning ? IDS_PAGE_INFO_CHANGE_PASSWORD_SUMMARY_SOFTER
                                  : IDS_PAGE_INFO_CHANGE_PASSWORD_SUMMARY;
  // Add the title label.
  titleField_.reset([constrained_window::AddTextField(
      [self view], l10n_util::GetStringUTF16(titleTextId),
      chrome_style::kTitleFontStyle) retain]);
  [titleField_ setFrame:constrained_window::ComputeFrame(
                            [titleField_ attributedStringValue], 0.0, 0.0)];
  [titleField_ setFrameOrigin:NSMakePoint(textLeftPadding, dialogHeight)];
  dialogHeight += NSHeight([titleField_ frame]);

  SkColor iconColor = isSoftWarning ? gfx::kChromeIconGrey : gfx::kGoogleRed700;
  const gfx::VectorIcon& icon =
      isSoftWarning ? kSecurityIcon : vector_icons::kWarningIcon;
  iconView_.reset([ImageViewUtils
      imageViewWithImage:NSImageFromImageSkia(gfx::CreateVectorIcon(
                             icon, kIconSize, iconColor))]);

  // Align the icon with the title's baseline.
  const NSFont* titleFont = ui::ResourceBundle::GetSharedInstance()
                                .GetFont(chrome_style::kTitleFontStyle)
                                .GetNativeFont();
  const CGFloat iconViewY =
      NSMinY([titleField_ frame]) - titleFont.descender - kBaselineAdjust;
  [iconView_ setFrame:NSMakeRect(chrome_style::kHorizontalPadding, iconViewY,
                                 kIconSize, kIconSize)];
  [self.view addSubview:iconView_.get()];

  dialogHeight += chrome_style::kTitleTopPadding;

  [box_ setBorderColor:[NSColor whiteColor]];
  [box_ setFillColor:[NSColor whiteColor]];
  [box_ setBoxType:NSBoxCustom];
  [box_ setTitlePosition:NSNoTitle];
  [box_ setFrame:NSMakeRect(0, 0, dialogWidth, dialogHeight)];

  // Layout the buttons and box based on the calculated width & height.
  CGFloat buttonX = dialogWidth - chrome_style::kHorizontalPadding -
                    NSWidth([changePasswordButton_ frame]);
  [changePasswordButton_
      setFrameOrigin:NSMakePoint(buttonX, chrome_style::kRowPadding)];

  buttonX -= kButtonGap;
  buttonX -= NSWidth([ignoreButton_ frame]);
  [ignoreButton_
      setFrameOrigin:NSMakePoint(buttonX, chrome_style::kRowPadding)];

  // Update the dialog frame with the computed dimensions.
  [[self view] setFrame:NSMakeRect(0, 0, dialogWidth, dialogHeight)];

  cocoa_l10n_util::FlipAllSubviewsIfNecessary([self view]);
}

- (void)changePassword:(id)sender {
  owner_->OnChangePassword();
}

- (void)ignore:(id)sender {
  owner_->OnIgnore();
}

- (void)cancelOperation:(id)sender {
  DCHECK(owner_);
  owner_->Close();
}

@end