MacViews: Allows the toolkit-views Manage Passwords Dialog to be used

chrome/browser/ui/cocoa/passwords/credentials_selection_view.mm

-// Copyright 2015 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/passwords/credentials_selection_view.h"
-
-#include <stddef.h>
-
-#import "chrome/browser/ui/cocoa/bubble_combobox.h"
-#include "chrome/browser/ui/cocoa/chrome_style.h"
-#import "chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h"
-#include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
-#include "ui/base/models/simple_combobox_model.h"
-
-namespace {
-
-NSPopUpButton* CreateUsernamesPopUpButton(
-    const std::vector<autofill::PasswordForm>& forms,
-    const base::string16& best_matched_username) {
-  DCHECK(!forms.empty());
-  std::vector<base::string16> usernames;
-  size_t best_matched_username_index = forms.size();
-  size_t preffered_form_index = forms.size();
-
-  for (size_t index = 0; index < forms.size(); ++index) {
-    usernames.push_back(forms[index].username_value);
-    if (forms[index].username_value == best_matched_username) {
-      best_matched_username_index = index;
-    }
-    if (forms[index].preferred) {
-      preffered_form_index = index;
-    }
-  }
-
-  ui::SimpleComboboxModel model(usernames);
-  base::scoped_nsobject<NSPopUpButton> button([[BubbleCombobox alloc]
-      initWithFrame:NSZeroRect
-          pullsDown:NO
-              model:&model]);
-  [button setFont:LabelFont()];
-
-  if (best_matched_username_index < forms.size()) {
-    [button selectItemAtIndex:best_matched_username_index];
-  } else if (preffered_form_index < forms.size()) {
-    [button selectItemAtIndex:preffered_form_index];
-  } else {
-    [button selectItemAtIndex:0];
-  }
-
-  [button sizeToFit];
-  return button.autorelease();
-}
-
-}  // namespace
-
-@implementation CredentialsSelectionView
-
-- (id)initWithModel:(ManagePasswordsBubbleModel*)model {
-  if ((self = [super init])) {
-    model_ = model;
-
-    // Create the pop up button with usernames and the password field.
-    usernamePopUpButton_.reset([CreateUsernamesPopUpButton(
-        model_->local_credentials(),
-        model_->pending_password().username_value) retain]);
-    passwordField_.reset(
-        [PasswordLabel(model_->pending_password().password_value) retain]);
-
-    // Calculate desired widths of username and password.
-    CGFloat firstWidth = NSMaxX([usernamePopUpButton_ frame]);
-    CGFloat secondWidth = NSMaxX([passwordField_ frame]);
-    std::pair<CGFloat, CGFloat> sizes = GetResizedColumns(
-        kDesiredRowWidth, std::make_pair(firstWidth, secondWidth));
-    CGFloat curX = 0;
-    CGFloat curY = 0;
-
-    [usernamePopUpButton_
-        setFrameSize:NSMakeSize(sizes.first,
-                                NSHeight([usernamePopUpButton_ frame]))];
-    [self addSubview:usernamePopUpButton_];
-
-    [passwordField_ setFrameSize:NSMakeSize(sizes.second,
-                                            NSHeight([passwordField_ frame]))];
-    [self addSubview:passwordField_];
-
-    // Calculate username and password positions. The element with bigger height
-    // will have Y coordinate equal to curY, another one will have Y coordinate
-    // equals to curY + half of their heights difference.
-    CGFloat popUpLabelHeightDifference =
-        NSHeight([usernamePopUpButton_ frame]) -
-        NSHeight([passwordField_ frame]);
-
-    CGFloat usernameY = std::max(curY, curY - popUpLabelHeightDifference / 2);
-    CGFloat passwordY = std::max(curY, curY + popUpLabelHeightDifference / 2);
-
-    [usernamePopUpButton_ setFrameOrigin:NSMakePoint(curX, usernameY)];
-    // Move to the right of the username and add the password.
-    curX = NSMaxX([usernamePopUpButton_ frame]) + kItemLabelSpacing;
-    [passwordField_ setFrameOrigin:NSMakePoint(curX, passwordY)];
-
-    // Move to the top-right of the password.
-    curY = std::max(NSMaxY([passwordField_ frame]),
-                    NSMaxY([usernamePopUpButton_ frame]));
-
-    // Update the frame.
-    [self setFrameSize:NSMakeSize(kDesiredRowWidth, curY)];
-  }
-  return self;
-}
-
-- (const autofill::PasswordForm*)getSelectedCredentials {
-  int selected_index = [usernamePopUpButton_ indexOfSelectedItem];
-  CHECK(selected_index >= 0);
-  return &model_->local_credentials()[selected_index];
-}
-
-@end