Refactored the translate infobars.

chrome/browser/views/infobars/after_translate_infobar.cc

+// Copyright (c) 2010 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/views/infobars/after_translate_infobar.h"
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/translate/options_menu_model.h"
+#include "chrome/browser/translate/translate_infobar_delegate2.h"
+#include "chrome/browser/views/infobars/infobar_button_border.h"
+#include "chrome/browser/views/infobars/infobar_text_button.h"
+#include "grit/app_resources.h"
+#include "grit/generated_resources.h"
+#include "views/controls/button/menu_button.h"
+#include "views/controls/button/text_button.h"
+#include "views/controls/image_view.h"
+#include "views/controls/label.h"
+#include "views/controls/menu/menu_2.h"
+
+AfterTranslateInfoBar::AfterTranslateInfoBar(
+    TranslateInfoBarDelegate2* delegate)
+    : TranslateInfoBarBase(delegate),
+      original_language_menu_model_(delegate, LanguagesMenuModel2::ORIGINAL),
+      target_language_menu_model_(delegate, LanguagesMenuModel2::TARGET),
+      options_menu_model_(delegate),
+      swapped_language_buttons_(false) {
+  std::vector<string16> strings;
+  TranslateInfoBarDelegate2::GetAfterTranslateStrings(
+      &strings, &swapped_language_buttons_);
+  DCHECK(strings.size() == 3U);
+
+  label_1_ = CreateLabel(strings[0]);
+  AddChildView(label_1_);
+
+  label_2_ = CreateLabel(strings[1]);
+  AddChildView(label_2_);
+
+  label_3_ = CreateLabel(strings[2]);
+  AddChildView(label_3_);
+
+  original_language_menu_button_ = CreateMenuButton(string16(), true, this);
+  AddChildView(original_language_menu_button_);
+
+  target_language_menu_button_ = CreateMenuButton(string16(), true, this);
+  AddChildView(target_language_menu_button_);
+
+  options_menu_button_ =
+      CreateMenuButton(l10n_util::GetStringUTF16(IDS_TRANSLATE_INFOBAR_OPTIONS),
+                       false, this);
+  AddChildView(options_menu_button_);
+
+  revert_button_ = InfoBarTextButton::Create(this,
+      l10n_util::GetStringUTF16(IDS_TRANSLATE_INFOBAR_REVERT));
+  AddChildView(revert_button_);
+
+  UpdateLanguageButtonText(LanguagesMenuModel2::ORIGINAL);
+  UpdateLanguageButtonText(LanguagesMenuModel2::TARGET);
+}
+
+AfterTranslateInfoBar::~AfterTranslateInfoBar() {
+}
+
+// Overridden from views::View:
+void AfterTranslateInfoBar::Layout() {
+  // Layout the icon and close button.
+  TranslateInfoBarBase::Layout();
+
+  // Layout the options menu button on right of bar.
+  int available_width = InfoBar::GetAvailableWidth();
+  gfx::Size pref_size = options_menu_button_->GetPreferredSize();
+  options_menu_button_->SetBounds(available_width - pref_size.width(),
+      OffsetY(this, pref_size), pref_size.width(), pref_size.height());
+
+  views::MenuButton* left_button = swapped_language_buttons_ ?
+      target_language_menu_button_ : original_language_menu_button_;
+  views::MenuButton* right_button = swapped_language_buttons_ ?
+      original_language_menu_button_ : target_language_menu_button_;
+
+  pref_size = label_1_->GetPreferredSize();
+  label_1_->SetBounds(icon_->bounds().right() + InfoBar::kIconLabelSpacing,
+      InfoBar::OffsetY(this, pref_size), pref_size.width(), pref_size.height());
+
+  pref_size = left_button->GetPreferredSize();
+  left_button->SetBounds(label_1_->bounds().right() +
+      InfoBar::kButtonInLabelSpacing, OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+
+  pref_size = label_2_->GetPreferredSize();
+  label_2_->SetBounds(left_button->bounds().right() +
+      InfoBar::kButtonInLabelSpacing, InfoBar::OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+
+  pref_size = right_button->GetPreferredSize();
+  right_button->SetBounds(label_2_->bounds().right() +
+      InfoBar::kButtonInLabelSpacing, OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+
+  pref_size = label_3_->GetPreferredSize();
+  label_3_->SetBounds(right_button->bounds().right() +
+      InfoBar::kButtonInLabelSpacing, InfoBar::OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+
+  pref_size = revert_button_->GetPreferredSize();
+  revert_button_->SetBounds(label_3_->bounds().right() +
+      InfoBar::kButtonInLabelSpacing, InfoBar::OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+}
+
+void AfterTranslateInfoBar::OriginalLanguageChanged() {
+  UpdateLanguageButtonText(LanguagesMenuModel2::ORIGINAL);
+}
+
+void AfterTranslateInfoBar::TargetLanguageChanged() {
+  UpdateLanguageButtonText(LanguagesMenuModel2::TARGET);
+}
+
+void AfterTranslateInfoBar::ButtonPressed(views::Button* sender,
+                                          const views::Event& event) {
+  if (sender == revert_button_) {
+    GetDelegate()->RevertTranslation();
+    return;
+  }
+  TranslateInfoBarBase::ButtonPressed(sender, event);
+}
+
+void AfterTranslateInfoBar::RunMenu(views::View* source,
+                                    const gfx::Point& pt) {
+  if (source == original_language_menu_button_) {
+    if (!original_language_menu_.get()) {
+      original_language_menu_.reset(
+          new views::Menu2(&original_language_menu_model_));
+    }
+    original_language_menu_->RunMenuAt(pt, views::Menu2::ALIGN_TOPRIGHT);
+  } else if (source == target_language_menu_button_) {
+      if (!target_language_menu_.get()) {
+        target_language_menu_.reset(
+            new views::Menu2(&target_language_menu_model_));
+      }
+      target_language_menu_->RunMenuAt(pt, views::Menu2::ALIGN_TOPRIGHT);
+  } else if (source == options_menu_button_) {
+    if (!options_menu_.get())
+      options_menu_.reset(new views::Menu2(&options_menu_model_));
+    options_menu_->RunMenuAt(pt, views::Menu2::ALIGN_TOPRIGHT);
+  } else {
+    NOTREACHED();
+  }
+}
+
+void AfterTranslateInfoBar::UpdateLanguageButtonText(
+    LanguagesMenuModel2::LanguageType language_type) {
+  int language_index;
+  views::MenuButton* language_button;
+  if (language_type == LanguagesMenuModel2::ORIGINAL) {
+    language_index = GetDelegate()->original_language_index();
+    language_button = original_language_menu_button_;
+  } else {
+    language_index = GetDelegate()->target_language_index();
+    language_button = target_language_menu_button_;
+  }
+  string16 language =
+      GetDelegate()->GetLanguageDisplayableNameAt(language_index);
+  language_button->SetText(UTF16ToWideHack(language));
+  // The following line is necessary for the preferred size to be recomputed.
+  language_button->ClearMaxTextSize();
+  // The button may have to grow to show the new text.
+  Layout();
+  SchedulePaint();
+}