src/chrome/browser/ui/cocoa/profile_signin_confirmation_view_controller.mm

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #import "chrome/browser/ui/cocoa/profile_signin_confirmation_view_controller.h"
   6
   7 #include <algorithm>
   8 #include <cmath>
   9
  10 #include "base/callback_helpers.h"
  11 #include "base/mac/bundle_locations.h"
  12 #include "base/strings/sys_string_conversions.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "chrome/browser/ui/browser_finder.h"
  15 #include "chrome/browser/ui/browser_navigator.h"
  16 #import "chrome/browser/ui/chrome_style.h"
  17 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_control_utils.h"
  18 #import "chrome/browser/ui/cocoa/hover_close_button.h"
  19 #import "chrome/browser/ui/cocoa/hyperlink_text_view.h"
  20 #include "chrome/browser/ui/host_desktop.h"
  21 #include "chrome/browser/ui/sync/profile_signin_confirmation_helper.h"
  22 #include "chrome/common/url_constants.h"
  23 #include "google_apis/gaia/gaia_auth_util.h"
  24 #include "grit/chromium_strings.h"
  25 #include "grit/generated_resources.h"
  26 #include "skia/ext/skia_utils_mac.h"
  27 #import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
  28 #import "ui/base/cocoa/controls/hyperlink_button_cell.h"
  29 #include "ui/base/l10n/l10n_util.h"
  30
  31 namespace {
  32
  33 const CGFloat kWindowMinWidth = 500;
  34 const CGFloat kButtonGap = 6;
  35 const CGFloat kDialogAlertBarBorderWidth = 1;
  36
  37 // Determine the frame required to fit the content of a string.  Uses the
  38 // provided height and width as preferred dimensions, where a value of
  39 // 0.0 indicates no preference.
  40 NSRect ComputeFrame(NSAttributedString* text, CGFloat width, CGFloat height) {
  41   NSRect frame =
  42       [text boundingRectWithSize:NSMakeSize(width, height)
  43                          options:NSStringDrawingUsesLineFragmentOrigin];
  44   // boundingRectWithSize is known to underestimate the width.
  45   static const CGFloat kTextViewPadding = 10;
  46   frame.size.width += kTextViewPadding;
  47   return frame;
  48 }
  49
  50 // Make the indicated range of characters in a text view bold.
  51 void MakeTextBold(NSTextField* textField, int offset, int length) {
  52   base::scoped_nsobject<NSMutableAttributedString> text(
  53       [[textField attributedStringValue] mutableCopy]);
  54   NSFont* currentFont =
  55       [text attribute:NSFontAttributeName
  56               atIndex:offset
  57                effectiveRange:NULL];
  58   NSFontManager* fontManager = [NSFontManager sharedFontManager];
  59   NSFont* boldFont = [fontManager convertFont:currentFont
  60                                   toHaveTrait:NSBoldFontMask];
  61   [text beginEditing];
  62   [text addAttribute:NSFontAttributeName
  63                value:boldFont
  64                range:NSMakeRange(offset, length)];
  65   [text endEditing];
  66   [textField setAttributedStringValue:text];
  67 }
  68
  69 // Remove underlining from the specified range of characters in a text view.
  70 void RemoveUnderlining(NSTextView* textView, int offset, int length) {
  71   // Clear the default link attributes that were set by the
  72   // HyperlinkTextView, otherwise removing the underline doesn't matter.
  73   [textView setLinkTextAttributes:nil];
  74   NSTextStorage* text = [textView textStorage];
  75   NSRange range = NSMakeRange(offset, length);
  76   [text addAttribute:NSUnderlineStyleAttributeName
  77                value:[NSNumber numberWithInt:NSUnderlineStyleNone]
  78                range:range];
  79 }
  80
  81 // Create a new NSTextView and add it to the specified parent.
  82 NSTextView* AddTextView(
  83     NSView* parent,
  84     id<NSTextViewDelegate> delegate,
  85     const base::string16& message,
  86     const base::string16& link,
  87     int offset,
  88     const ui::ResourceBundle::FontStyle& font_style) {
  89   base::scoped_nsobject<HyperlinkTextView> textView(
  90       [[HyperlinkTextView alloc] initWithFrame:NSZeroRect]);
  91   NSFont* font = ui::ResourceBundle::GetSharedInstance().GetFont(
  92       font_style).GetNativeFont();
  93   NSColor* linkColor = gfx::SkColorToCalibratedNSColor(
  94       chrome_style::GetLinkColor());
  95   [textView setMessageAndLink:base::SysUTF16ToNSString(message)
  96                      withLink:base::SysUTF16ToNSString(link)
  97                      atOffset:offset
  98                          font:font
  99                  messageColor:[NSColor blackColor]
 100                     linkColor:linkColor];
 101   RemoveUnderlining(textView, offset, link.size());
 102   [textView setDelegate:delegate];
 103   [parent addSubview:textView];
 104   return textView.autorelease();
 105 }
 106
 107 // Create a new NSTextField and add it to the specified parent.
 108 NSTextField* AddTextField(
 109     NSView* parent,
 110     const base::string16& message,
 111     const ui::ResourceBundle::FontStyle& font_style) {
 112   NSTextField* textField = constrained_window::CreateLabel();
 113   [textField setAttributedStringValue:
 114       constrained_window::GetAttributedLabelString(
 115           SysUTF16ToNSString(message),
 116           font_style,
 117           NSNaturalTextAlignment,
 118           NSLineBreakByWordWrapping)];
 119   [parent addSubview:textField];
 120   return textField;
 121 }
 122
 123 }  // namespace
 124
 125 @interface ProfileSigninConfirmationViewController ()
 126 - (void)learnMore;
 127 - (void)addButton:(NSButton*)button
 128         withTitle:(int)resourceID
 129            target:(id)target
 130            action:(SEL)action
 131    shouldAutoSize:(BOOL)shouldAutoSize;
 132 @end
 133
 134 @implementation ProfileSigninConfirmationViewController
 135
 136 - (id)initWithBrowser:(Browser*)browser
 137              username:(const std::string&)username
 138              delegate:(ui::ProfileSigninConfirmationDelegate*)delegate
 139   closeDialogCallback:(const base::Closure&)closeDialogCallback
 140  offerProfileCreation:(bool)offer {
 141   if ((self = [super initWithNibName:nil bundle:nil])) {
 142     browser_ = browser;
 143     username_ = username;
 144     delegate_ = delegate;
 145     closeDialogCallback_ = closeDialogCallback;
 146     offerProfileCreation_ = offer;
 147   }
 148   return self;
 149 }
 150
 151 - (void)loadView {
 152   self.view = [[[NSView alloc] initWithFrame:NSZeroRect] autorelease];
 153   cancelButton_.reset(
 154       [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
 155   okButton_.reset(
 156       [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
 157   if (offerProfileCreation_) {
 158     createProfileButton_.reset(
 159         [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
 160   }
 161   promptBox_.reset(
 162       [[NSBox alloc] initWithFrame:NSZeroRect]);
 163   closeButton_.reset(
 164       [[WebUIHoverCloseButton alloc] initWithFrame:NSZeroRect]);
 165
 166   // -------------------------------
 167   // | Title                     x |
 168   // |-----------------------------| (1 px border)
 169   // | Prompt    (box)             |
 170   // |-----------------------------| (1 px border)
 171   // | Explanation                 |
 172   // |                             |
 173   // | [create]      [cancel] [ok] |
 174   // -------------------------------
 175
 176   // The width of the dialog should be sufficient to fit the buttons on
 177   // one line and the title and the close button on one line, but not
 178   // smaller than kWindowMinWidth.  Therefore we first layout the title
 179   // and the buttons and then compute the necessary width.
 180
 181   // OK button.
 182   [self addButton:okButton_
 183         withTitle:IDS_ENTERPRISE_SIGNIN_CONTINUE_NEW_STYLE
 184            target:self
 185            action:@selector(ok:)
 186    shouldAutoSize:YES];
 187
 188   // Cancel button.
 189   [self addButton:cancelButton_
 190         withTitle:IDS_ENTERPRISE_SIGNIN_CANCEL
 191            target:self
 192            action:@selector(cancel:)
 193    shouldAutoSize:YES];
 194
 195   // Add the close button.
 196   [self addButton:closeButton_
 197         withTitle:0
 198            target:self
 199            action:@selector(close:)
 200    shouldAutoSize:NO];
 201   NSRect closeButtonFrame = [closeButton_ frame];
 202   closeButtonFrame.size.width = chrome_style::GetCloseButtonSize();
 203   closeButtonFrame.size.height = chrome_style::GetCloseButtonSize();
 204   [closeButton_ setFrame:closeButtonFrame];
 205
 206   // Create Profile link.
 207   if (offerProfileCreation_) {
 208     [self addButton:createProfileButton_
 209           withTitle:IDS_ENTERPRISE_SIGNIN_CREATE_NEW_PROFILE_NEW_STYLE
 210              target:self
 211              action:@selector(createProfile:)
 212      shouldAutoSize:YES];
 213   }
 214
 215   // Add the title label.
 216   titleField_.reset(
 217       [AddTextField([self view],
 218                     l10n_util::GetStringUTF16(
 219                         IDS_ENTERPRISE_SIGNIN_TITLE_NEW_STYLE),
 220                     chrome_style::kTitleFontStyle) retain]);
 221   [titleField_ setFrame:ComputeFrame(
 222       [titleField_ attributedStringValue], 0.0, 0.0)];
 223
 224   // Compute the dialog width using the title and buttons.
 225   const CGFloat buttonsWidth =
 226       (offerProfileCreation_ ? NSWidth([createProfileButton_ frame]) : 0) +
 227       kButtonGap + NSWidth([cancelButton_ frame]) +
 228       kButtonGap + NSWidth([okButton_ frame]);
 229   const CGFloat titleWidth =
 230       NSWidth([titleField_ frame]) + NSWidth([closeButton_ frame]);
 231   // Dialog minimum width must include the padding.
 232   const CGFloat minWidth =
 233       kWindowMinWidth - 2 * chrome_style::kHorizontalPadding;
 234   const CGFloat width = std::max(minWidth,
 235                                  std::max(buttonsWidth, titleWidth));
 236   const CGFloat dialogWidth = width + 2 * chrome_style::kHorizontalPadding;
 237
 238   // Now setup the prompt and explanation text using the computed width.
 239
 240   // Prompt box.
 241   [promptBox_ setBorderColor:gfx::SkColorToCalibratedNSColor(
 242       ui::GetSigninConfirmationPromptBarColor(
 243           ui::kSigninConfirmationPromptBarBorderAlpha))];
 244   [promptBox_ setBorderWidth:kDialogAlertBarBorderWidth];
 245   [promptBox_ setFillColor:gfx::SkColorToCalibratedNSColor(
 246       ui::GetSigninConfirmationPromptBarColor(
 247           ui::kSigninConfirmationPromptBarBackgroundAlpha))];
 248   [promptBox_ setBoxType:NSBoxCustom];
 249   [promptBox_ setTitlePosition:NSNoTitle];
 250   [[self view] addSubview:promptBox_];
 251
 252   // Prompt text.
 253   size_t offset;
 254   const base::string16 domain =
 255       base::ASCIIToUTF16(gaia::ExtractDomainName(username_));
 256   const base::string16 username = base::ASCIIToUTF16(username_);
 257   const base::string16 prompt_text =
 258       l10n_util::GetStringFUTF16(
 259           IDS_ENTERPRISE_SIGNIN_ALERT_NEW_STYLE,
 260           domain, &offset);
 261   promptField_.reset(
 262       [AddTextField(promptBox_, prompt_text, chrome_style::kTextFontStyle)
 263           retain]);
 264   MakeTextBold(promptField_, offset, domain.size());
 265   [promptField_ setFrame:ComputeFrame(
 266         [promptField_ attributedStringValue], width, 0.0)];
 267
 268   // Set the height of the prompt box from the prompt text, padding, and border.
 269   CGFloat boxHeight =
 270       kDialogAlertBarBorderWidth +
 271       chrome_style::kRowPadding +
 272       NSHeight([promptField_ frame]) +
 273       chrome_style::kRowPadding +
 274       kDialogAlertBarBorderWidth;
 275   [promptBox_ setFrame:NSMakeRect(0, 0, dialogWidth, boxHeight)];
 276
 277   // Explanation text.
 278   std::vector<size_t> offsets;
 279   const base::string16 learn_more_text =
 280       l10n_util::GetStringUTF16(
 281           IDS_ENTERPRISE_SIGNIN_PROFILE_LINK_LEARN_MORE);
 282   const base::string16 explanation_text =
 283       l10n_util::GetStringFUTF16(
 284           offerProfileCreation_ ?
 285           IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITH_PROFILE_CREATION_NEW_STYLE :
 286           IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITHOUT_PROFILE_CREATION_NEW_STYLE,
 287           username, learn_more_text, &offsets);
 288   // HyperlinkTextView requires manually inserting the link text
 289   // into the middle of the message text.  To do this we slice out
 290   // the "learn more" string from the message so that it can be
 291   // inserted again.
 292   const base::string16 explanation_message_text =
 293     explanation_text.substr(0, offsets[1]) +
 294     explanation_text.substr(offsets[1] + learn_more_text.size());
 295   explanationField_.reset(
 296       [AddTextView([self view], self, explanation_message_text, learn_more_text,
 297                    offsets[1], chrome_style::kTextFontStyle) retain]);
 298
 299   [explanationField_ setFrame:ComputeFrame(
 300         [explanationField_ attributedString], width, 0.0)];
 301
 302   // Layout the elements, starting at the bottom and moving up.
 303
 304   CGFloat curX = dialogWidth - chrome_style::kHorizontalPadding;
 305   CGFloat curY = chrome_style::kClientBottomPadding;
 306
 307   // Buttons should go |Cancel|Continue|CreateProfile|, unless
 308   // |CreateProfile| isn't shown.
 309   if (offerProfileCreation_) {
 310     curX -= NSWidth([createProfileButton_ frame]);
 311     [createProfileButton_ setFrameOrigin:NSMakePoint(curX, curY)];
 312     curX -= kButtonGap;
 313   }
 314   curX -= NSWidth([okButton_ frame]);
 315   [okButton_ setFrameOrigin:NSMakePoint(curX, curY)];
 316   curX -= (kButtonGap + NSWidth([cancelButton_ frame]));
 317   [cancelButton_ setFrameOrigin:NSMakePoint(curX, curY)];
 318
 319   curY += NSHeight([cancelButton_ frame]);
 320
 321   // Explanation text.
 322   curY += chrome_style::kRowPadding;
 323   [explanationField_
 324       setFrameOrigin:NSMakePoint(chrome_style::kHorizontalPadding, curY)];
 325   curY += NSHeight([explanationField_ frame]);
 326
 327   // Prompt box goes all the way to the edges.
 328   curX = 0;
 329   curY += chrome_style::kRowPadding;
 330   [promptBox_ setFrameOrigin:NSMakePoint(curX, curY)];
 331   curY += NSHeight([promptBox_ frame]);
 332
 333   // Prompt label fits in the middle of the box.
 334   NSRect boxClientFrame = [[promptBox_ contentView] bounds];
 335   CGFloat boxHorizontalMargin =
 336       roundf((dialogWidth - NSWidth(boxClientFrame)) / 2);
 337   CGFloat boxVerticalMargin =
 338       roundf((boxHeight - NSHeight(boxClientFrame)) / 2);
 339   [promptField_ setFrameOrigin:NSMakePoint(
 340       chrome_style::kHorizontalPadding - boxHorizontalMargin,
 341       chrome_style::kRowPadding - boxVerticalMargin)];
 342
 343   // Title goes at the top.
 344   curY += chrome_style::kRowPadding;
 345   [titleField_
 346       setFrameOrigin:NSMakePoint(chrome_style::kHorizontalPadding, curY)];
 347   curY += NSHeight([titleField_ frame]);
 348
 349   // Find the height required to fit everything with the necessary padding.
 350   CGFloat dialogHeight = curY + chrome_style::kTitleTopPadding;
 351
 352   // Update the dialog frame with the computed dimensions.
 353   [[self view] setFrame:NSMakeRect(0, 0, dialogWidth, dialogHeight)];
 354
 355   // Close button goes in the top-right corner.
 356   NSPoint closeOrigin = NSMakePoint(
 357       dialogWidth - chrome_style::kCloseButtonPadding -
 358           NSWidth(closeButtonFrame),
 359       dialogHeight - chrome_style::kCloseButtonPadding -
 360           NSWidth(closeButtonFrame));
 361   [closeButton_ setFrameOrigin:closeOrigin];
 362 }
 363
 364 - (IBAction)cancel:(id)sender {
 365   if (delegate_) {
 366     delegate_->OnCancelSignin();
 367     delegate_ = NULL;
 368     closeDialogCallback_.Run();
 369   }
 370 }
 371
 372 - (IBAction)ok:(id)sender {
 373   if (delegate_) {
 374     delegate_->OnContinueSignin();
 375     delegate_ = NULL;
 376     closeDialogCallback_.Run();
 377   }
 378 }
 379
 380 - (IBAction)close:(id)sender {
 381   if (delegate_) {
 382     delegate_->OnCancelSignin();
 383     delegate_ = NULL;
 384   }
 385   closeDialogCallback_.Run();
 386 }
 387
 388 - (IBAction)createProfile:(id)sender {
 389   if (delegate_) {
 390     delegate_->OnSigninWithNewProfile();
 391     delegate_ = NULL;
 392     closeDialogCallback_.Run();
 393   }
 394 }
 395
 396 - (void)learnMore {
 397   chrome::NavigateParams params(
 398       browser_, GURL(chrome::kChromeEnterpriseSignInLearnMoreURL),
 399       content::PAGE_TRANSITION_AUTO_TOPLEVEL);
 400   params.disposition = NEW_POPUP;
 401   params.window_action = chrome::NavigateParams::SHOW_WINDOW;
 402   chrome::Navigate(&params);
 403 }
 404
 405 - (BOOL)textView:(NSTextView*)textView
 406    clickedOnLink:(id)link
 407          atIndex:(NSUInteger)charIndex {
 408   if (textView == explanationField_.get()) {
 409     [self learnMore];
 410     return YES;
 411   }
 412   return NO;
 413 }
 414
 415 - (void)addButton:(NSButton*)button
 416         withTitle:(int)resourceID
 417            target:(id)target
 418            action:(SEL)action
 419    shouldAutoSize:(BOOL)shouldAutoSize {
 420   if (resourceID)
 421     [button setTitle:base::SysUTF16ToNSString(
 422         l10n_util::GetStringUTF16(resourceID))];
 423   [button setTarget:target];
 424   [button setAction:action];
 425   [[self view] addSubview:button];
 426   if (shouldAutoSize)
 427     [GTMUILocalizerAndLayoutTweaker sizeToFitView:button];
 428 }
 429
 430 @end
 431
 432 @implementation ProfileSigninConfirmationViewController (TestingAPI)
 433
 434 - (ui::ProfileSigninConfirmationDelegate*)delegate {
 435   return delegate_;
 436 }
 437
 438 - (NSButton*)createProfileButton {
 439   return createProfileButton_.get();
 440 }
 441
 442 - (NSTextView*)explanationField {
 443   return explanationField_.get();
 444 }
 445
 446 @end