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