Translate: Add TranslateBubbleView

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

+// Copyright 2013 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.
+
+#include "chrome/browser/ui/views/translate/translate_bubble_view.h"
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include "base/i18n/string_compare.h"
+#include "base/memory/singleton.h"
+#include "base/metrics/histogram.h"
+#include "base/prefs/pref_service.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/translate/translate_manager.h"
+#include "chrome/browser/translate/translate_tab_helper.h"
+#include "chrome/browser/translate/translate_ui_delegate.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/translate/translate_bubble_model_impl.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/web_contents.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/models/combobox_model.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/views/controls/button/checkbox.h"
+#include "ui/views/controls/button/label_button.h"
+#include "ui/views/controls/combobox/combobox.h"
+#include "ui/views/controls/label.h"
+#include "ui/views/controls/link.h"
+#include "ui/views/layout/box_layout.h"
+#include "ui/views/layout/grid_layout.h"
+#include "ui/views/layout/layout_constants.h"
+#include "ui/views/widget/widget.h"
+
+namespace {
+
+views::LabelButton* CreateLabelButton(views::ButtonListener* listener,
+                                      const string16& label, int id) {
+  views::LabelButton* button = new views::LabelButton(listener, label);
+  button->set_id(id);
+  button->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
+  return button;
+}
+
+views::Link* CreateLink(views::LinkListener* listener,
+                        int resource_id,
+                        int id) {
+  views::Link* link = new views::Link(
+      l10n_util::GetStringUTF16(resource_id));
+  link->set_listener(listener);
+  link->set_id(id);
+  return link;
+}
+
+void GetTranslateLanguages(content::WebContents* web_contents,
+                           std::string* source,
+                           std::string* target) {
+  DCHECK(source != NULL);
+  DCHECK(target != NULL);
+
+  TranslateTabHelper* translate_tab_helper =
+    TranslateTabHelper::FromWebContents(web_contents);
+  if (!translate_tab_helper)
+    return;
+
+  *source = translate_tab_helper->language_state().original_language();
+  *target = g_browser_process->GetApplicationLocale();
+  *target = TranslateManager::GetLanguageCode(*target);
+}
+
+// TODO(hajimehoshi): The interface to offer denial choices should be another
+// control instead of Combobox. See crbug/305494.
+class TranslateDenialComboboxModel : public ui::ComboboxModel {
+ public:
+  enum {
+    INDEX_NOPE = 0,
+    INDEX_NEVER_TRANSLATE_LANGUAGE = 2,
+    INDEX_NEVER_TRANSLATE_SITE = 4,
+  };
+
+  explicit TranslateDenialComboboxModel(
+      const string16& original_language_name) {
+    items_.push_back(l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_DENY));
+    items_.push_back(string16());
+    items_.push_back(l10n_util::GetStringFUTF16(
+        IDS_TRANSLATE_BUBBLE_NEVER_TRANSLATE_LANG,
+        original_language_name));
+    items_.push_back(string16());
+    items_.push_back(l10n_util::GetStringUTF16(
+        IDS_TRANSLATE_BUBBLE_NEVER_TRANSLATE_SITE));
+  }
+  virtual ~TranslateDenialComboboxModel() {}
+
+ private:
+  // Overridden from ui::ComboboxModel:
+  virtual int GetItemCount() const OVERRIDE {
+    return items_.size();
+  }
+  virtual string16 GetItemAt(int index) OVERRIDE {
+    return items_.at(index);
+  }
+  virtual bool IsItemSeparatorAt(int index) OVERRIDE {
+    return items_.at(index).empty();
+  }
+  virtual int GetDefaultIndex() const OVERRIDE {
+    return 0;
+  }
+
+  std::vector<string16> items_;
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateDenialComboboxModel);
+};
+
+const char* kUMATranslateModifyOriginalLang = "Translate.ModifyOriginalLang";
+const char* kUMATranslateModifyTargetLang = "Translate.ModifyTargetLang";
+
+}  // namespace
+
+TranslateBubbleView* TranslateBubbleView::translate_bubble_view_;
+
+// static
+void TranslateBubbleView::ShowBubble(views::View* anchor_view,
+                                     content::WebContents* web_contents,
+                                     TranslateBubbleModel::ViewType type,
+                                     Browser* browser) {
+  if (IsShowing()) {
+    translate_bubble_view_->SwitchView(type);
+    return;
+  }
+
+  std::string source_language;
+  std::string target_language;
+  GetTranslateLanguages(web_contents, &source_language, &target_language);
+
+  scoped_ptr<TranslateUIDelegate> ui_delegate(
+      new TranslateUIDelegate(web_contents, source_language, target_language));
+  scoped_ptr<TranslateBubbleModel> model(
+      new TranslateBubbleModelImpl(type, ui_delegate.Pass()));
+  bool is_in_incognito_window =
+      web_contents->GetBrowserContext()->IsOffTheRecord();
+  TranslateBubbleView* view = new TranslateBubbleView(anchor_view,
+                                                      model.Pass(),
+                                                      is_in_incognito_window,
+                                                      browser);
+  views::BubbleDelegateView::CreateBubble(view)->Show();
+}
+
+// static
+bool TranslateBubbleView::IsShowing() {
+  return translate_bubble_view_ != NULL;
+}
+
+TranslateBubbleView::TranslateBubbleView(
+    views::View* anchor_view,
+    scoped_ptr<TranslateBubbleModel> model,
+    bool is_in_incognito_window,
+    Browser* browser)
+    : BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
+      source_language_combobox_(NULL),
+      target_language_combobox_(NULL),
+      always_translate_checkbox_(NULL),
+      model_(model.Pass()),
+      is_in_incognito_window_(is_in_incognito_window),
+      browser_(browser),
+      translate_executed_(false) {
+  model_->set_observer(this);
+
+  if (model_->view_type() != TranslateBubbleModel::BEFORE_TRANSLATE)
+    translate_executed_ = true;
+
+  set_margins(gfx::Insets(views::kPanelVertMargin, views::kPanelHorizMargin,
+                          views::kPanelVertMargin, views::kPanelHorizMargin));
+
+  translate_bubble_view_ = this;
+}
+
+TranslateBubbleView::~TranslateBubbleView() {
+  // A child view could refer to a model which is owned by this class when
+  // the child view is destructed. For example, |source_language_combobx_model_|
+  // is referred by Combobox's destructor. Before destroying the models,
+  // removing the child views is needed.
+  RemoveAllChildViews(true);
+}
+
+void TranslateBubbleView::OnViewTypeChanged(
+    TranslateBubbleModel::ViewType view_type) {
+  UpdateChildVisibilities();
+  SizeToContents();
+}
+
+void TranslateBubbleView::Init() {
+  SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical,
+                                        0, 0, 0));
+  AddChildViewAt(CreateViewBeforeTranslate(),
+                 TranslateBubbleModel::BEFORE_TRANSLATE);
+  AddChildViewAt(CreateViewTranslating(),
+                 TranslateBubbleModel::TRANSLATING);
+  AddChildViewAt(CreateViewAfterTranslate(),
+                 TranslateBubbleModel::AFTER_TRANSLATE);
+  AddChildViewAt(CreateViewError(),
+                 TranslateBubbleModel::ERROR);
+  AddChildViewAt(CreateViewAdvanced(),
+                 TranslateBubbleModel::ADVANCED);
+
+  AddAccelerator(ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE));
+
+  UpdateChildVisibilities();
+}
+
+void TranslateBubbleView::ButtonPressed(views::Button* sender,
+                                        const ui::Event& event) {
+  HandleButtonPressed(sender->id());
+}
+
+void TranslateBubbleView::WindowClosing() {
+  if (!translate_executed_)
+    model_->TranslationDeclined();
+
+  // We have to reset |translate_bubble_view_| here, not in our destructor,
+  // because we'll be destroyed asynchronously and the shown state will be
+  // checked before then.
+  DCHECK_EQ(translate_bubble_view_, this);
+  translate_bubble_view_ = NULL;
+}
+
+bool TranslateBubbleView::AcceleratorPressed(
+    const ui::Accelerator& accelerator) {
+  switch (model_->view_type()) {
+    case TranslateBubbleModel::BEFORE_TRANSLATE: {
+      if (accelerator.key_code() == ui::VKEY_RETURN) {
+        HandleButtonPressed(BUTTON_ID_TRANSLATE);
+        return true;
+      }
+      break;
+    }
+    case TranslateBubbleModel::TRANSLATING:
+      break;
+    case TranslateBubbleModel::AFTER_TRANSLATE: {
+      if (accelerator.key_code() == ui::VKEY_RETURN) {
+        HandleButtonPressed(BUTTON_ID_SHOW_ORIGINAL);
+        return true;
+      }
+      break;
+    }
+    case TranslateBubbleModel::ERROR:
+      break;
+    case TranslateBubbleModel::ADVANCED: {
+      if (accelerator.key_code() == ui::VKEY_RETURN) {
+        HandleButtonPressed(BUTTON_ID_DONE);
+        return true;
+      }
+      break;
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+  return BubbleDelegateView::AcceleratorPressed(accelerator);
+}
+
+gfx::Size TranslateBubbleView::GetPreferredSize() {
+  int width = 0;
+  for (int i = 0; i < child_count(); i++) {
+    views::View* child = child_at(i);
+    width = std::max(width, child->GetPreferredSize().width());
+  }
+  int height = child_at(model_->view_type())->GetPreferredSize().height();
+  return gfx::Size(width, height);
+}
+
+void TranslateBubbleView::OnSelectedIndexChanged(views::Combobox* combobox) {
+  switch (combobox->id()) {
+    case COMBOBOX_ID_DENIAL: {
+      int index = combobox->selected_index();
+      switch (index) {
+        case TranslateDenialComboboxModel::INDEX_NOPE:
+          if (!translate_executed_)
+            model_->TranslationDeclined();
+          StartFade(false);
+          break;
+        case TranslateDenialComboboxModel::INDEX_NEVER_TRANSLATE_LANGUAGE:
+          model_->SetLanguageBlocked(true);
+          StartFade(false);
+          break;
+        case TranslateDenialComboboxModel::INDEX_NEVER_TRANSLATE_SITE:
+          model_->SetSiteBlacklist(true);
+          StartFade(false);
+          break;
+        default:
+          NOTREACHED();
+          break;
+      }
+      break;
+    }
+    case COMBOBOX_ID_SOURCE_LANGUAGE: {
+      // TODO(hajimehoshi): This UMA should be counted at a model or a delegate
+      // not to dependent on platforms. However, this UMA has not been used at
+      // some platforms. See crbug/306365.
+      UMA_HISTOGRAM_BOOLEAN(kUMATranslateModifyOriginalLang, true);
+      UpdateAdvancedView();
+      break;
+    }
+    case COMBOBOX_ID_TARGET_LANGUAGE: {
+      // TODO(hajimehoshi): Ditto.
+      UMA_HISTOGRAM_BOOLEAN(kUMATranslateModifyTargetLang, true);
+      UpdateAdvancedView();
+      break;
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
+void TranslateBubbleView::LinkClicked(views::Link* source, int event_flags) {
+  HandleLinkClicked(source->id());
+}
+
+void TranslateBubbleView::HandleButtonPressed(int sender_id) {
+  switch (sender_id) {
+    case BUTTON_ID_TRANSLATE: {
+      translate_executed_ = true;
+      model_->Translate();
+      break;
+    }
+    case BUTTON_ID_DONE: {
+      translate_executed_ = true;
+      DCHECK(source_language_combobox_);
+      DCHECK(target_language_combobox_);
+
+      model_->SetOriginalLanguageIndex(
+          source_language_combobox_->selected_index());
+      model_->SetTargetLanguageIndex(
+          target_language_combobox_->selected_index());
+      model_->Translate();
+      break;
+    }
+    case BUTTON_ID_CANCEL: {
+      model_->GoBackFromAdvanced();
+      break;
+    }
+    case BUTTON_ID_TRY_AGAIN: {
+      translate_executed_ = true;
+      model_->Translate();
+      break;
+    }
+    case BUTTON_ID_SHOW_ORIGINAL: {
+      model_->RevertTranslation();
+      StartFade(false);
+      break;
+    }
+    case BUTTON_ID_ALWAYS_TRANSLATE: {
+      DCHECK(always_translate_checkbox_);
+      model_->SetAlwaysTranslate(always_translate_checkbox_->checked());
+      UpdateAdvancedView();
+      break;
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
+void TranslateBubbleView::HandleLinkClicked(int sender_id) {
+  switch (sender_id) {
+    case LINK_ID_ADVANCED: {
+      SwitchView(TranslateBubbleModel::ADVANCED);
+      break;
+    }
+    case LINK_ID_LEARN_MORE: {
+      browser_->OpenURL(content::OpenURLParams(
+          GURL(chrome::kAboutGoogleTranslateURL),
+          content::Referrer(),
+          NEW_FOREGROUND_TAB,
+          content::PAGE_TRANSITION_LINK,
+          false));
+      break;
+    }
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
+void TranslateBubbleView::UpdateChildVisibilities() {
+  for (int i = 0; i < child_count(); i++) {
+    views::View* view = child_at(i);
+    view->SetVisible(i == model_->view_type());
+  }
+}
+
+views::View* TranslateBubbleView::CreateViewBeforeTranslate() {
+  views::Label* message_label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_BEFORE_TRANSLATE));
+
+  string16 original_language_name =
+      model_->GetLanguageNameAt(model_->GetOriginalLanguageIndex());
+  views::Combobox* denial_combobox = new views::Combobox(
+      new TranslateDenialComboboxModel(original_language_name));
+  denial_combobox->set_id(COMBOBOX_ID_DENIAL);
+  denial_combobox->set_listener(this);
+
+  views::View* view = new views::View();
+  views::GridLayout* layout = new views::GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  using views::GridLayout;
+
+  enum {
+    COLUMN_SET_ID_MESSAGE,
+    COLUMN_SET_ID_CONTENT,
+  };
+
+  views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, 0);
+
+  cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
+  layout->AddView(message_label);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_ADVANCED,
+                             LINK_ID_ADVANCED));
+
+  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_CONTENT);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_LEARN_MORE,
+                             LINK_ID_LEARN_MORE));
+  layout->AddView(denial_combobox);
+  layout->AddView(CreateLabelButton(
+      this,
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_ACCEPT),
+      BUTTON_ID_TRANSLATE));
+
+  return view;
+}
+
+views::View* TranslateBubbleView::CreateViewTranslating() {
+  string16 target_language_name =
+      model_->GetLanguageNameAt(model_->GetTargetLanguageIndex());
+  views::Label* label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATING));
+
+  views::View* view = new views::View();
+  views::GridLayout* layout = new views::GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  using views::GridLayout;
+
+  enum {
+    COLUMN_SET_ID_MESSAGE,
+    COLUMN_SET_ID_CONTENT,
+  };
+
+  views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, views::GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, 0);
+
+  cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
+  layout->AddView(label);
+
+  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_CONTENT);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_LEARN_MORE,
+                             LINK_ID_LEARN_MORE));
+  views::LabelButton* revert_button = CreateLabelButton(
+      this,
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_REVERT),
+      BUTTON_ID_SHOW_ORIGINAL);
+  revert_button->SetEnabled(false);
+  layout->AddView(revert_button);
+
+  return view;
+}
+
+views::View* TranslateBubbleView::CreateViewAfterTranslate() {
+  views::Label* label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATED));
+
+  views::View* view = new views::View();
+  views::GridLayout* layout = new views::GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  using views::GridLayout;
+
+  enum {
+    COLUMN_SET_ID_MESSAGE,
+    COLUMN_SET_ID_CONTENT,
+  };
+
+  views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, views::GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, views::GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, 0);
+
+  cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
+  layout->AddView(label);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_ADVANCED,
+                             LINK_ID_ADVANCED));
+
+  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_CONTENT);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_LEARN_MORE,
+                             LINK_ID_LEARN_MORE));
+  layout->AddView(CreateLabelButton(
+      this,
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_REVERT),
+      BUTTON_ID_SHOW_ORIGINAL));
+
+  return view;
+}
+
+views::View* TranslateBubbleView::CreateViewError() {
+  views::Label* label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_COULD_NOT_TRANSLATE));
+
+  views::View* view = new views::View();
+  views::GridLayout* layout = new views::GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  using views::GridLayout;
+
+  enum {
+    COLUMN_SET_ID_MESSAGE,
+    COLUMN_SET_ID_CONTENT,
+  };
+
+  views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_MESSAGE);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, 0);
+
+  cs = layout->AddColumnSet(COLUMN_SET_ID_CONTENT);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, COLUMN_SET_ID_MESSAGE);
+  layout->AddView(label);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_ADVANCED,
+                             LINK_ID_ADVANCED));
+
+  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_CONTENT);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_LEARN_MORE,
+                             LINK_ID_LEARN_MORE));
+  layout->AddView(CreateLabelButton(
+      this,
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRY_AGAIN),
+      BUTTON_ID_TRY_AGAIN));
+
+  return view;
+}
+
+// TODO(hajimehoshi): Revice this later to show a specific message for each
+// error. (crbug/307350)
+views::View* TranslateBubbleView::CreateViewAdvanced() {
+  views::Label* source_language_label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_PAGE_LANGUAGE));
+
+  views::Label* target_language_label = new views::Label(
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_BUBBLE_TRANSLATION_LANGUAGE));
+
+  int source_default_index = model_->GetOriginalLanguageIndex();
+  source_language_combobox_model_.reset(
+      new LanguageComboboxModel(source_default_index, model_.get()));
+  source_language_combobox_ =
+      new views::Combobox(source_language_combobox_model_.get());
+
+  source_language_combobox_->set_id(COMBOBOX_ID_SOURCE_LANGUAGE);
+  source_language_combobox_->set_listener(this);
+
+  int target_default_index = model_->GetTargetLanguageIndex();
+  target_language_combobox_model_.reset(
+      new LanguageComboboxModel(target_default_index, model_.get()));
+  target_language_combobox_ =
+      new views::Combobox(target_language_combobox_model_.get());
+
+  target_language_combobox_->set_id(COMBOBOX_ID_TARGET_LANGUAGE);
+  target_language_combobox_->set_listener(this);
+
+  // In an incognito window, "Always translate" checkbox shouldn't be shown.
+  if (!is_in_incognito_window_) {
+    always_translate_checkbox_ = new views::Checkbox(string16());
+    always_translate_checkbox_->set_id(BUTTON_ID_ALWAYS_TRANSLATE);
+    always_translate_checkbox_->set_listener(this);
+  }
+
+  views::View* view = new views::View();
+  views::GridLayout* layout = new views::GridLayout(view);
+  view->SetLayoutManager(layout);
+
+  using views::GridLayout;
+
+  enum {
+    COLUMN_SET_ID_LANGUAGES,
+    COLUMN_SET_ID_ALWAYS_TRANSLATE,
+    COLUMN_SET_ID_BUTTONS,
+  };
+
+  views::ColumnSet* cs = layout->AddColumnSet(COLUMN_SET_ID_LANGUAGES);
+  cs->AddColumn(GridLayout::TRAILING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::FILL, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, 0);
+
+  if (!is_in_incognito_window_) {
+    cs = layout->AddColumnSet(COLUMN_SET_ID_ALWAYS_TRANSLATE);
+    cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                  0, GridLayout::USE_PREF, 0, 0);
+    cs->AddPaddingColumn(1, 0);
+  }
+
+  cs = layout->AddColumnSet(COLUMN_SET_ID_BUTTONS);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(1, views::kUnrelatedControlHorizontalSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+  cs->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
+  cs->AddColumn(GridLayout::LEADING, GridLayout::CENTER,
+                0, GridLayout::USE_PREF, 0, 0);
+
+  layout->StartRow(0, COLUMN_SET_ID_LANGUAGES);
+  layout->AddView(source_language_label);
+  layout->AddView(source_language_combobox_);
+
+  layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_LANGUAGES);
+  layout->AddView(target_language_label);
+  layout->AddView(target_language_combobox_);
+
+  if (!is_in_incognito_window_) {
+    layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+    layout->StartRow(0, COLUMN_SET_ID_ALWAYS_TRANSLATE);
+    layout->AddView(always_translate_checkbox_);
+  }
+
+  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
+
+  layout->StartRow(0, COLUMN_SET_ID_BUTTONS);
+  layout->AddView(CreateLink(this,
+                             IDS_TRANSLATE_BUBBLE_LEARN_MORE,
+                             LINK_ID_LEARN_MORE));
+  views::LabelButton* cancel_button = CreateLabelButton(
+      this, l10n_util::GetStringUTF16(IDS_CANCEL), BUTTON_ID_CANCEL);
+  layout->AddView(cancel_button);
+  views::LabelButton* done_button = CreateLabelButton(
+      this, l10n_util::GetStringUTF16(IDS_DONE), BUTTON_ID_DONE);
+  done_button->SetIsDefault(true);
+  layout->AddView(done_button);
+
+  UpdateAdvancedView();
+
+  return view;
+}
+
+void TranslateBubbleView::SwitchView(TranslateBubbleModel::ViewType view_type) {
+  model_->SetViewType(view_type);
+}
+
+void TranslateBubbleView::UpdateAdvancedView() {
+  DCHECK(source_language_combobox_);
+  DCHECK(target_language_combobox_);
+
+  model_->SetOriginalLanguageIndex(
+      source_language_combobox_->selected_index());
+  model_->SetTargetLanguageIndex(
+      target_language_combobox_->selected_index());
+
+  string16 source_language_name =
+      model_->GetLanguageNameAt(model_->GetOriginalLanguageIndex());
+  string16 target_language_name =
+      model_->GetLanguageNameAt(model_->GetTargetLanguageIndex());
+
+  string16 message =
+      l10n_util::GetStringFUTF16(IDS_TRANSLATE_BUBBLE_ALWAYS,
+                                 source_language_name,
+                                 target_language_name);
+  // "Always translate" checkbox doesn't exist in an incognito window.
+  if (always_translate_checkbox_) {
+    always_translate_checkbox_->SetText(message);
+    always_translate_checkbox_->SetChecked(
+        model_->ShouldAlwaysTranslate());
+  }
+}