src/chrome/browser/ui/views/translate/translate_bubble_view.cc

   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 #include "chrome/browser/ui/views/translate/translate_bubble_view.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/i18n/string_compare.h"
  12 #include "base/memory/singleton.h"
  13 #include "base/metrics/histogram.h"
  14 #include "base/prefs/pref_service.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/translate/translate_manager.h"
  19 #include "chrome/browser/translate/translate_tab_helper.h"
  20 #include "chrome/browser/translate/translate_ui_delegate.h"
  21 #include "chrome/browser/ui/translate/translate_bubble_model_impl.h"
  22 #include "chrome/common/url_constants.h"
  23 #include "content/public/browser/web_contents.h"
  24 #include "grit/generated_resources.h"
  25 #include "ui/base/l10n/l10n_util.h"
  26 #include "ui/base/models/combobox_model.h"
  27 #include "ui/base/resource/resource_bundle.h"
  28 #include "ui/views/controls/button/checkbox.h"
  29 #include "ui/views/controls/button/label_button.h"
  30 #include "ui/views/controls/combobox/combobox.h"
  31 #include "ui/views/controls/label.h"
  32 #include "ui/views/controls/link.h"
  33 #include "ui/views/layout/box_layout.h"
  34 #include "ui/views/layout/grid_layout.h"
  35 #include "ui/views/layout/layout_constants.h"
  36 #include "ui/views/widget/widget.h"
  37
  38 namespace {
  39
  40 views::LabelButton* CreateLabelButton(views::ButtonListener* listener,
  41                                       const base::string16& label,
  42                                       int id) {
  43   views::LabelButton* button = new views::LabelButton(listener, label);
  44   button->set_id(id);
  45   button->SetStyle(views::Button::STYLE_BUTTON);
  46   return button;
  47 }
  48
  49 views::Link* CreateLink(views::LinkListener* listener,
  50                         int resource_id,
  51                         int id) {
  52   views::Link* link = new views::Link(
  53       l10n_util::GetStringUTF16(resource_id));
  54   link->set_listener(listener);
  55   link->set_id(id);
  56   return link;
  57 }
  58
  59 void GetTranslateLanguages(content::WebContents* web_contents,
  60                            std::string* source,
  61                            std::string* target) {
  62   DCHECK(source != NULL);
  63   DCHECK(target != NULL);
  64
  65   TranslateTabHelper* translate_tab_helper =
  66       TranslateTabHelper::FromWebContents(web_contents);
  67   *source = translate_tab_helper->GetLanguageState().original_language();
  68
  69   Profile* profile =
  70       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  71   Profile* original_profile = profile->GetOriginalProfile();
  72   PrefService* prefs = original_profile->GetPrefs();
  73   if (!web_contents->GetBrowserContext()->IsOffTheRecord()) {
  74     std::string auto_translate_language =
  75         TranslateManager::GetAutoTargetLanguage(*source, prefs);
  76     if (!auto_translate_language.empty()) {
  77       *target = auto_translate_language;
  78       return;
  79     }
  80   }
  81   *target = TranslateManager::GetTargetLanguage(prefs);
  82 }
  83
  84 class TranslateDenialComboboxModel : public ui::ComboboxModel {
  85  public:
  86   enum {
  87     INDEX_NOPE = 0,
  88     INDEX_NEVER_TRANSLATE_LANGUAGE = 2,
  89     INDEX_NEVER_TRANSLATE_SITE = 4,
  90   };
  91
  92   explicit TranslateDenialComboboxModel(
  93       const base::string16& original_language_name) {
  94     items_.push_back(l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_DENY));
  95     items_.push_back(base::string16());
  96     items_.push_back(l10n_util::GetStringFUTF16(
  97         IDS_TRANSLATE_BUBBLE_NEVER_TRANSLATE_LANG,
  98         original_language_name));
  99     items_.push_back(base::string16());
 100     items_.push_back(l10n_util::GetStringUTF16(
 101         IDS_TRANSLATE_BUBBLE_NEVER_TRANSLATE_SITE));
 102   }
 103   virtual ~TranslateDenialComboboxModel() {}
 104
 105  private:
 106   // Overridden from ui::ComboboxModel:
 107   virtual int GetItemCount() const OVERRIDE {
 108     return items_.size();
 109   }
 110   virtual base::string16 GetItemAt(int index) OVERRIDE {
 111     return items_[index];
 112   }
 113   virtual bool IsItemSeparatorAt(int index) OVERRIDE {
 114     return items_[index].empty();
 115   }
 116   virtual int GetDefaultIndex() const OVERRIDE {
 117     return 0;
 118   }
 119
 120   std::vector<base::string16> items_;
 121
 122   DISALLOW_COPY_AND_ASSIGN(TranslateDenialComboboxModel);
 123 };
 124
 125 }  // namespace
 126
 127 // static
 128 TranslateBubbleView* TranslateBubbleView::translate_bubble_view_ = NULL;
 129
 130 TranslateBubbleView::~TranslateBubbleView() {
 131   // A child view could refer to a model which is owned by this class when
 132   // the child view is destructed. For example, |source_language_combobx_model_|
 133   // is referred by Combobox's destructor. Before destroying the models,
 134   // removing the child views is needed.
 135   RemoveAllChildViews(true);
 136 }
 137
 138 // static
 139 void TranslateBubbleView::ShowBubble(views::View* anchor_view,
 140                                      content::WebContents* web_contents,
 141                                      TranslateBubbleModel::ViewState type,
 142                                      TranslateErrors::Type error_type) {
 143   if (IsShowing()) {
 144     // When the user reads the advanced setting panel, the bubble should not be
 145     // changed because he/she is focusing on the bubble.
 146     if (translate_bubble_view_->web_contents() == web_contents &&
 147         translate_bubble_view_->model()->GetViewState() ==
 148         TranslateBubbleModel::VIEW_STATE_ADVANCED) {
 149       return;
 150     }
 151     if (type != TranslateBubbleModel::VIEW_STATE_ERROR)
 152       translate_bubble_view_->SwitchView(type);
 153     else
 154       translate_bubble_view_->SwitchToErrorView(error_type);
 155     return;
 156   }
 157
 158   std::string source_language;
 159   std::string target_language;
 160   GetTranslateLanguages(web_contents, &source_language, &target_language);
 161
 162   scoped_ptr<TranslateUIDelegate> ui_delegate(
 163       new TranslateUIDelegate(web_contents, source_language, target_language));
 164   scoped_ptr<TranslateBubbleModel> model(
 165       new TranslateBubbleModelImpl(type, ui_delegate.Pass()));
 166   TranslateBubbleView* view = new TranslateBubbleView(anchor_view,
 167                                                       model.Pass(),
 168                                                       error_type,
 169                                                       web_contents);
 170   views::BubbleDelegateView::CreateBubble(view)->Show();
 171 }
 172
 173 // static
 174 bool TranslateBubbleView::IsShowing() {
 175   return translate_bubble_view_ != NULL;
 176 }
 177
 178 // static
 179 TranslateBubbleView* TranslateBubbleView::GetCurrentBubble() {
 180   return translate_bubble_view_;
 181 }
 182
 183 void TranslateBubbleView::Init() {
 184   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical,
 185                                         0, 0, 0));
 186
 187   before_translate_view_ = CreateViewBeforeTranslate();
 188   translating_view_ = CreateViewTranslating();
 189   after_translate_view_ = CreateViewAfterTranslate();
 190   error_view_ = CreateViewError();
 191   advanced_view_ = CreateViewAdvanced();
 192
 193   AddChildView(before_translate_view_);
 194   AddChildView(translating_view_);
 195   AddChildView(after_translate_view_);
 196   AddChildView(error_view_);
 197   AddChildView(advanced_view_);
 198
 199   AddAccelerator(ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE));
 200
 201   UpdateChildVisibilities();
 202
 203   if (model_->GetViewState() == TranslateBubbleModel::VIEW_STATE_ERROR)
 204     model_->ShowError(error_type_);
 205 }
 206
 207 void TranslateBubbleView::ButtonPressed(views::Button* sender,
 208                                         const ui::Event& event) {
 209   HandleButtonPressed(static_cast<ButtonID>(sender->id()));
 210 }
 211
 212 void TranslateBubbleView::WindowClosing() {
 213   // The operations for |model_| are valid only when a WebContents is alive.
 214   // TODO(hajimehoshi): TranslateBubbleViewModel(Impl) should not hold a
 215   // WebContents as a member variable because the WebContents might be destroyed
 216   // while the TranslateBubbleViewModel(Impl) is still alive. Instead,
 217   // TranslateBubbleViewModel should take a reference of a WebContents at each
 218   // method. (crbug/320497)
 219   if (!translate_executed_ && web_contents())
 220     model_->TranslationDeclined(denial_button_clicked_);
 221
 222   // We have to reset |translate_bubble_view_| here, not in our destructor,
 223   // because we'll be destroyed asynchronously and the shown state will be
 224   // checked before then.
 225   DCHECK_EQ(translate_bubble_view_, this);
 226   translate_bubble_view_ = NULL;
 227 }
 228
 229 bool TranslateBubbleView::AcceleratorPressed(
 230     const ui::Accelerator& accelerator) {
 231   switch (model_->GetViewState()) {
 232     case TranslateBubbleModel::VIEW_STATE_BEFORE_TRANSLATE: {
 233       if (accelerator.key_code() == ui::VKEY_RETURN) {
 234         HandleButtonPressed(BUTTON_ID_TRANSLATE);
 235         return true;
 236       }
 237       break;
 238     }
 239     case TranslateBubbleModel::VIEW_STATE_TRANSLATING:
 240       break;
 241     case TranslateBubbleModel::VIEW_STATE_AFTER_TRANSLATE: {
 242       if (accelerator.key_code() == ui::VKEY_RETURN) {
 243         HandleButtonPressed(BUTTON_ID_SHOW_ORIGINAL);
 244         return true;
 245       }
 246       break;
 247     }
 248     case TranslateBubbleModel::VIEW_STATE_ERROR:
 249       break;
 250     case TranslateBubbleModel::VIEW_STATE_ADVANCED: {
 251       if (accelerator.key_code() == ui::VKEY_RETURN) {
 252         HandleButtonPressed(BUTTON_ID_DONE);
 253         return true;
 254       }
 255       break;
 256     }
 257   }
 258   return BubbleDelegateView::AcceleratorPressed(accelerator);
 259 }
 260
 261 gfx::Size TranslateBubbleView::GetPreferredSize() {
 262   int width = 0;
 263   for (int i = 0; i < child_count(); i++) {
 264     views::View* child = child_at(i);
 265     width = std::max(width, child->GetPreferredSize().width());
 266   }
 267   int height = GetCurrentView()->GetPreferredSize().height();
 268   return gfx::Size(width, height);
 269 }
 270
 271 void TranslateBubbleView::OnSelectedIndexChanged(views::Combobox* combobox) {
 272   HandleComboboxSelectedIndexChanged(static_cast<ComboboxID>(combobox->id()));
 273 }
 274
 275 void TranslateBubbleView::OnComboboxTextButtonClicked(
 276     views::Combobox* combobox) {
 277   if (combobox != denial_combobox_)
 278     return;
 279
 280   denial_button_clicked_ = true;
 281   int index = combobox->selected_index();
 282   switch (index) {
 283     case TranslateDenialComboboxModel::INDEX_NOPE:
 284       break;
 285     case TranslateDenialComboboxModel::INDEX_NEVER_TRANSLATE_LANGUAGE:
 286       model_->SetNeverTranslateLanguage(true);
 287       break;
 288     case TranslateDenialComboboxModel::INDEX_NEVER_TRANSLATE_SITE:
 289       model_->SetNeverTranslateSite(true);
 290       break;
 291     default:
 292       NOTREACHED();
 293       break;
 294   }
 295   StartFade(false);
 296 }
 297
 298 void TranslateBubbleView::LinkClicked(views::Link* source, int event_flags) {
 299   HandleLinkClicked(static_cast<LinkID>(source->id()));
 300 }
 301
 302 void TranslateBubbleView::WebContentsDestroyed(
 303     content::WebContents* web_contents) {
 304   GetWidget()->CloseNow();
 305 }
 306
 307 TranslateBubbleModel::ViewState TranslateBubbleView::GetViewState() const {
 308   return model_->GetViewState();
 309 }
 310
 311 TranslateBubbleView::TranslateBubbleView(
 312     views::View* anchor_view,
 313     scoped_ptr<TranslateBubbleModel> model,
 314     TranslateErrors::Type error_type,
 315     content::WebContents* web_contents)
 316     : BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
 317       WebContentsObserver(web_contents),
 318       before_translate_view_(NULL),
 319       translating_view_(NULL),
 320       after_translate_view_(NULL),
 321       error_view_(NULL),
 322       advanced_view_(NULL),
 323       denial_combobox_(NULL),
 324       source_language_combobox_(NULL),
 325       target_language_combobox_(NULL),
 326       always_translate_checkbox_(NULL),
 327       advanced_cancel_button_(NULL),
 328       advanced_done_button_(NULL),
 329       model_(model.Pass()),
 330       error_type_(error_type),
 331       is_in_incognito_window_(
 332           web_contents ?
 333           web_contents->GetBrowserContext()->IsOffTheRecord() : false),
 334       translate_executed_(false),
 335       denial_button_clicked_(false) {
 336   if (model_->GetViewState() !=
 337       TranslateBubbleModel::VIEW_STATE_BEFORE_TRANSLATE) {
 338     translate_executed_ = true;
 339   }
 340
 341   set_margins(gfx::Insets(views::kPanelVertMargin, views::kPanelHorizMargin,
 342                           views::kPanelVertMargin, views::kPanelHorizMargin));
 343
 344   translate_bubble_view_ = this;
 345 }
 346
 347 views::View* TranslateBubbleView::GetCurrentView() {
 348   switch (model_->GetViewState()) {
 349     case TranslateBubbleModel::VIEW_STATE_BEFORE_TRANSLATE:
 350       return before_translate_view_;
 351     case TranslateBubbleModel::VIEW_STATE_TRANSLATING:
 352       return translating_view_;
 353     case TranslateBubbleModel::VIEW_STATE_AFTER_TRANSLATE:
 354       return after_translate_view_;
 355     case TranslateBubbleModel::VIEW_STATE_ERROR:
 356       return error_view_;
 357     case TranslateBubbleModel::VIEW_STATE_ADVANCED:
 358       return advanced_view_;
 359   }
 360   NOTREACHED();
 361   return NULL;
 362 }
 363
 364 void TranslateBubbleView::HandleButtonPressed(
 365     TranslateBubbleView::ButtonID sender_id) {
 366   switch (sender_id) {
 367     case BUTTON_ID_TRANSLATE: {
 368       translate_executed_ = true;
 369       model_->Translate();
 370       break;
 371     }
 372     case BUTTON_ID_DONE: {
 373       if (always_translate_checkbox_)
 374         model_->SetAlwaysTranslate(always_translate_checkbox_->checked());
 375       if (model_->IsPageTranslatedInCurrentLanguages()) {
 376         model_->GoBackFromAdvanced();
 377         UpdateChildVisibilities();
 378         SizeToContents();
 379       } else {
 380         translate_executed_ = true;
 381         model_->Translate();
 382         SwitchView(TranslateBubbleModel::VIEW_STATE_TRANSLATING);
 383       }
 384       break;
 385     }
 386     case BUTTON_ID_CANCEL: {
 387       model_->GoBackFromAdvanced();
 388       UpdateChildVisibilities();
 389       SizeToContents();
 390       break;
 391     }
 392     case BUTTON_ID_TRY_AGAIN: {
 393       translate_executed_ = true;
 394       model_->Translate();
 395       break;
 396     }
 397     case BUTTON_ID_SHOW_ORIGINAL: {
 398       model_->RevertTranslation();
 399       StartFade(false);
 400       break;
 401     }
 402     case BUTTON_ID_ALWAYS_TRANSLATE: {
 403       // Do nothing. The state of the checkbox affects only when the 'Done'
 404       // button is pressed.
 405       break;
 406     }
 407   }
 408 }
 409
 410 void TranslateBubbleView::HandleLinkClicked(
 411     TranslateBubbleView::LinkID sender_id) {
 412   switch (sender_id) {
 413     case LINK_ID_ADVANCED: {
 414       SwitchView(TranslateBubbleModel::VIEW_STATE_ADVANCED);
 415       break;
 416     }
 417     case LINK_ID_LANGUAGE_SETTINGS: {
 418       std::string url = std::string(chrome::kChromeUISettingsURL) +
 419           chrome::kLanguageOptionsSubPage;
 420       web_contents()->OpenURL(content::OpenURLParams(
 421           GURL(url),
 422           content::Referrer(),
 423           NEW_FOREGROUND_TAB,
 424           content::PAGE_TRANSITION_LINK,
 425           false));
 426       break;
 427     }
 428   }
 429 }
 430
 431 void TranslateBubbleView::HandleComboboxSelectedIndexChanged(
 432     TranslateBubbleView::ComboboxID sender_id) {
 433   switch (sender_id) {
 434     case COMBOBOX_ID_DENIAL: {
 435       // do nothing
 436       break;
 437     }
 438     case COMBOBOX_ID_SOURCE_LANGUAGE: {
 439       if (model_->GetOriginalLanguageIndex() ==
 440           source_language_combobox_->selected_index()) {
 441         break;
 442       }
 443       model_->UpdateOriginalLanguageIndex(
 444           source_language_combobox_->selected_index());
 445       UpdateAdvancedView();
 446       break;
 447     }
 448     case COMBOBOX_ID_TARGET_LANGUAGE: {
 449       if (model_->GetTargetLanguageIndex() ==
 450           target_language_combobox_->selected_index()) {
 451         break;
 452       }
 453       model_->UpdateTargetLanguageIndex(
 454           target_language_combobox_->selected_index());
 455       UpdateAdvancedView();
 456       break;
 457     }
 458   }
 459 }
 460
 461 void TranslateBubbleView::UpdateChildVisibilities() {
 462   for (int i = 0; i < child_count(); i++) {
 463     views::View* view = child_at(i);
 464     view->SetVisible(view == GetCurrentView());
 465   }
 466 }
 467
 468 views::View* TranslateBubbleView::CreateViewBeforeTranslate() {
 469   views::Label* message_label = new views::Label(
 470       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_BEFORE_TRANSLATE));
 471
 472   base::string16 original_language_name =
 473       model_->GetLanguageNameAt(model_->GetOriginalLanguageIndex());
 474   denial_combobox_ = new views::Combobox(
 475       new TranslateDenialComboboxModel(original_language_name));
 476   denial_combobox_->set_id(COMBOBOX_ID_DENIAL);
 477   denial_combobox_->set_listener(this);
 478   denial_combobox_->SetStyle(views::Combobox::STYLE_NOTIFY_ON_CLICK);
 479
 480   views::View* view = new views::View();
 481   views::GridLayout* layout = new views::GridLayout(view);
 482   view->SetLayoutManager(layout);
 483
 484   using views::GridLayout;
 485
 486   enum {
 487     COLUMN_SET_ID_MESSAGE,
 488     COLUMN_SET_ID_CONTENT,
 489   };
 490
 491   views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
 492   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 493                 0, GridLayout::USE_PREF, 0, 0);
 494   cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 495   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 496                 0, GridLayout::USE_PREF, 0, 0);
 497   cs->AddPaddingColumn(1, 0);
 498
 499   cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
 500   cs->AddPaddingColumn(1, 0);
 501   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 502                 0, GridLayout::USE_PREF, 0, 0);
 503   cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 504   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 505                 0, GridLayout::USE_PREF, 0, 0);
 506
 507   layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
 508   layout->AddView(message_label);
 509   layout->AddView(CreateLink(this,
 510                              IDS_TRANSLATE_BUBBLE_ADVANCED,
 511                              LINK_ID_ADVANCED));
 512
 513   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 514
 515   layout->StartRow(0, COLUMN_SET_ID_CONTENT);
 516   layout->AddView(denial_combobox_);
 517   layout->AddView(CreateLabelButton(
 518       this,
 519       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ACCEPT),
 520       BUTTON_ID_TRANSLATE));
 521
 522   return view;
 523 }
 524
 525 views::View* TranslateBubbleView::CreateViewTranslating() {
 526   base::string16 target_language_name =
 527       model_->GetLanguageNameAt(model_->GetTargetLanguageIndex());
 528   views::Label* label = new views::Label(
 529       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATING));
 530
 531   views::View* view = new views::View();
 532   views::GridLayout* layout = new views::GridLayout(view);
 533   view->SetLayoutManager(layout);
 534
 535   using views::GridLayout;
 536
 537   enum {
 538     COLUMN_SET_ID_MESSAGE,
 539     COLUMN_SET_ID_CONTENT,
 540   };
 541
 542   views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
 543   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 544                 0, views::GridLayout::USE_PREF, 0, 0);
 545   cs->AddPaddingColumn(1, 0);
 546
 547   cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
 548   cs->AddPaddingColumn(1, 0);
 549   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 550                 0, GridLayout::USE_PREF, 0, 0);
 551
 552   layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
 553   layout->AddView(label);
 554
 555   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 556
 557   layout->StartRow(0, COLUMN_SET_ID_CONTENT);
 558   views::LabelButton* revert_button = CreateLabelButton(
 559       this,
 560       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_REVERT),
 561       BUTTON_ID_SHOW_ORIGINAL);
 562   revert_button->SetEnabled(false);
 563   layout->AddView(revert_button);
 564
 565   return view;
 566 }
 567
 568 views::View* TranslateBubbleView::CreateViewAfterTranslate() {
 569   views::Label* label = new views::Label(
 570       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATED));
 571
 572   views::View* view = new views::View();
 573   views::GridLayout* layout = new views::GridLayout(view);
 574   view->SetLayoutManager(layout);
 575
 576   using views::GridLayout;
 577
 578   enum {
 579     COLUMN_SET_ID_MESSAGE,
 580     COLUMN_SET_ID_CONTENT,
 581   };
 582
 583   views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
 584   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 585                 0, views::GridLayout::USE_PREF, 0, 0);
 586   cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 587   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 588                 0, views::GridLayout::USE_PREF, 0, 0);
 589   cs->AddPaddingColumn(1, 0);
 590
 591   cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
 592   cs->AddPaddingColumn(1, 0);
 593   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 594                 0, GridLayout::USE_PREF, 0, 0);
 595
 596   layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
 597   layout->AddView(label);
 598   layout->AddView(CreateLink(this,
 599                              IDS_TRANSLATE_BUBBLE_ADVANCED,
 600                              LINK_ID_ADVANCED));
 601
 602   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 603
 604   layout->StartRow(0, COLUMN_SET_ID_CONTENT);
 605   layout->AddView(CreateLabelButton(
 606       this,
 607       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_REVERT),
 608       BUTTON_ID_SHOW_ORIGINAL));
 609
 610   return view;
 611 }
 612
 613 views::View* TranslateBubbleView::CreateViewError() {
 614   views::Label* label = new views::Label(
 615       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_COULD_NOT_TRANSLATE));
 616
 617   views::View* view = new views::View();
 618   views::GridLayout* layout = new views::GridLayout(view);
 619   view->SetLayoutManager(layout);
 620
 621   using views::GridLayout;
 622
 623   enum {
 624     COLUMN_SET_ID_MESSAGE,
 625     COLUMN_SET_ID_CONTENT,
 626   };
 627
 628   views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
 629   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 630                 0, GridLayout::USE_PREF, 0, 0);
 631   cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 632   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 633                 0, GridLayout::USE_PREF, 0, 0);
 634   cs->AddPaddingColumn(1, 0);
 635
 636   cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
 637   cs->AddPaddingColumn(1, 0);
 638   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 639                 0, GridLayout::USE_PREF, 0, 0);
 640
 641   layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
 642   layout->AddView(label);
 643   layout->AddView(CreateLink(this,
 644                              IDS_TRANSLATE_BUBBLE_ADVANCED,
 645                              LINK_ID_ADVANCED));
 646
 647   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 648
 649   layout->StartRow(0, COLUMN_SET_ID_CONTENT);
 650   layout->AddView(CreateLabelButton(
 651       this,
 652       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRY_AGAIN),
 653       BUTTON_ID_TRY_AGAIN));
 654
 655   return view;
 656 }
 657
 658 // TODO(hajimehoshi): Revice this later to show a specific message for each
 659 // error. (crbug/307350)
 660 views::View* TranslateBubbleView::CreateViewAdvanced() {
 661   views::Label* source_language_label = new views::Label(
 662       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_PAGE_LANGUAGE));
 663
 664   views::Label* target_language_label = new views::Label(
 665       l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATION_LANGUAGE));
 666
 667   int source_default_index = model_->GetOriginalLanguageIndex();
 668   source_language_combobox_model_.reset(
 669       new LanguageComboboxModel(source_default_index, model_.get()));
 670   source_language_combobox_ =
 671       new views::Combobox(source_language_combobox_model_.get());
 672
 673   source_language_combobox_->set_id(COMBOBOX_ID_SOURCE_LANGUAGE);
 674   source_language_combobox_->set_listener(this);
 675
 676   int target_default_index = model_->GetTargetLanguageIndex();
 677   target_language_combobox_model_.reset(
 678       new LanguageComboboxModel(target_default_index, model_.get()));
 679   target_language_combobox_ =
 680       new views::Combobox(target_language_combobox_model_.get());
 681
 682   target_language_combobox_->set_id(COMBOBOX_ID_TARGET_LANGUAGE);
 683   target_language_combobox_->set_listener(this);
 684
 685   // In an incognito window, "Always translate" checkbox shouldn't be shown.
 686   if (!is_in_incognito_window_) {
 687     always_translate_checkbox_ = new views::Checkbox(base::string16());
 688     always_translate_checkbox_->set_id(BUTTON_ID_ALWAYS_TRANSLATE);
 689     always_translate_checkbox_->set_listener(this);
 690   }
 691
 692   views::View* view = new views::View();
 693   views::GridLayout* layout = new views::GridLayout(view);
 694   view->SetLayoutManager(layout);
 695
 696   using views::GridLayout;
 697
 698   enum {
 699     COLUMN_SET_ID_LANGUAGES,
 700     COLUMN_SET_ID_BUTTONS,
 701   };
 702
 703   views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_LANGUAGES);
 704   cs->AddColumn(GridLayout::TRAILING, GridLayout::CENTER,
 705                 0, GridLayout::USE_PREF, 0, 0);
 706   cs->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
 707   cs->AddColumn(GridLayout::FILL, GridLayout::CENTER,
 708                 0, GridLayout::USE_PREF, 0, 0);
 709   cs->AddPaddingColumn(1, 0);
 710
 711   cs = layout->AddColumnSet(COLUMN_SET_ID_BUTTONS);
 712   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 713                 0, GridLayout::USE_PREF, 0, 0);
 714   cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
 715   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 716                 0, GridLayout::USE_PREF, 0, 0);
 717   cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 718   cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
 719                 0, GridLayout::USE_PREF, 0, 0);
 720
 721   layout->StartRow(0, COLUMN_SET_ID_LANGUAGES);
 722   layout->AddView(source_language_label);
 723   layout->AddView(source_language_combobox_);
 724
 725   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 726
 727   layout->StartRow(0, COLUMN_SET_ID_LANGUAGES);
 728   layout->AddView(target_language_label);
 729   layout->AddView(target_language_combobox_);
 730
 731   if (!is_in_incognito_window_) {
 732     layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 733     layout->StartRow(0, COLUMN_SET_ID_LANGUAGES);
 734     layout->SkipColumns(1);
 735     layout->AddView(always_translate_checkbox_);
 736   }
 737
 738   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
 739
 740   layout->StartRow(0, COLUMN_SET_ID_BUTTONS);
 741   layout->AddView(CreateLink(this,
 742                              IDS_TRANSLATE_BUBBLE_LANGUAGE_SETTINGS,
 743                              LINK_ID_LANGUAGE_SETTINGS));
 744   advanced_cancel_button_ = CreateLabelButton(
 745       this, l10n_util::GetStringUTF16(IDS_CANCEL), BUTTON_ID_CANCEL);
 746   layout->AddView(advanced_cancel_button_);
 747   advanced_done_button_ = CreateLabelButton(
 748       this, l10n_util::GetStringUTF16(IDS_DONE), BUTTON_ID_DONE);
 749   advanced_done_button_->SetIsDefault(true);
 750   layout->AddView(advanced_done_button_);
 751
 752   UpdateAdvancedView();
 753
 754   return view;
 755 }
 756
 757 void TranslateBubbleView::SwitchView(
 758     TranslateBubbleModel::ViewState view_state) {
 759   if (model_->GetViewState() == view_state)
 760     return;
 761
 762   model_->SetViewState(view_state);
 763   UpdateChildVisibilities();
 764   if (view_state == TranslateBubbleModel::VIEW_STATE_ADVANCED)
 765     UpdateAdvancedView();
 766   SizeToContents();
 767 }
 768
 769 void TranslateBubbleView::SwitchToErrorView(TranslateErrors::Type error_type) {
 770   SwitchView(TranslateBubbleModel::VIEW_STATE_ERROR);
 771   error_type_ = error_type;
 772   model_->ShowError(error_type);
 773 }
 774
 775 void TranslateBubbleView::UpdateAdvancedView() {
 776   DCHECK(source_language_combobox_);
 777   DCHECK(target_language_combobox_);
 778   DCHECK(advanced_done_button_);
 779
 780   base::string16 source_language_name =
 781       model_->GetLanguageNameAt(model_->GetOriginalLanguageIndex());
 782   base::string16 target_language_name =
 783       model_->GetLanguageNameAt(model_->GetTargetLanguageIndex());
 784
 785   // "Always translate" checkbox doesn't exist in an incognito window.
 786   if (always_translate_checkbox_) {
 787     always_translate_checkbox_->SetText(
 788         l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ALWAYS));
 789     always_translate_checkbox_->SetChecked(
 790         model_->ShouldAlwaysTranslate());
 791   }
 792
 793   base::string16 label;
 794   if (model_->IsPageTranslatedInCurrentLanguages())
 795     label = l10n_util::GetStringUTF16(IDS_DONE);
 796   else
 797     label = l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ACCEPT);
 798   advanced_done_button_->SetText(label);
 799 }