Refactored the translate infobars.

chrome/browser/views/infobars/before_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/before_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_text_button.h"
+#include "grit/generated_resources.h"
+#include "views/controls/button/menu_button.h"
+#include "views/controls/image_view.h"
+#include "views/controls/menu/menu_2.h"
+
+BeforeTranslateInfoBar::BeforeTranslateInfoBar(
+    TranslateInfoBarDelegate2* delegate)
+    : TranslateInfoBarBase(delegate),
+      languages_menu_model_(delegate, LanguagesMenuModel2::ORIGINAL),
+      options_menu_model_(delegate) {
+  size_t offset = 0;
+  string16 text =
+      l10n_util::GetStringFUTF16(IDS_TRANSLATE_INFOBAR_BEFORE_MESSAGE,
+                                 string16(), &offset);
+
+  label_1_ = CreateLabel(text.substr(0, offset));
+  AddChildView(label_1_);
+
+  label_2_ = CreateLabel(text.substr(offset));
+  AddChildView(label_2_);
+
+  accept_button_ =
+    InfoBarTextButton::CreateWithMessageID(this,
+                                           IDS_TRANSLATE_INFOBAR_ACCEPT);
+  AddChildView(accept_button_);
+
+  deny_button_ =
+    InfoBarTextButton::CreateWithMessageID(this,
+                                           IDS_TRANSLATE_INFOBAR_DENY);
+  AddChildView(deny_button_);
+
+  language_menu_button_ = CreateMenuButton(string16(), true, this);
+  AddChildView(language_menu_button_);
+
+  options_menu_button_ =
+      CreateMenuButton(l10n_util::GetStringUTF16(IDS_TRANSLATE_INFOBAR_OPTIONS),
+                       false, this);
+  AddChildView(options_menu_button_);
+
+  UpdateOriginalButtonText();
+}
+
+BeforeTranslateInfoBar::~BeforeTranslateInfoBar() {
+}
+
+// Overridden from views::View:
+void BeforeTranslateInfoBar::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());
+
+  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 = language_menu_button_->GetPreferredSize();
+  language_menu_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(language_menu_button_->bounds().right() +
+      InfoBar::kButtonInLabelSpacing , InfoBar::OffsetY(this, pref_size),
+      pref_size.width(), pref_size.height());
+
+  pref_size = accept_button_->GetPreferredSize();
+  accept_button_->SetBounds(
+      label_2_->bounds().right() + InfoBar::kEndOfLabelSpacing,
+      OffsetY(this, pref_size), pref_size.width(), pref_size.height());
+
+  pref_size = deny_button_->GetPreferredSize();
+  deny_button_->SetBounds(
+        accept_button_->bounds().right() + InfoBar::kButtonButtonSpacing,
+        OffsetY(this, pref_size), pref_size.width(), pref_size.height());
+}
+
+void BeforeTranslateInfoBar::ButtonPressed(views::Button* sender,
+                                           const views::Event& event) {
+  if (sender == accept_button_) {
+    GetDelegate()->Translate();
+  } else if (sender == deny_button_) {
+    Close();
+  } else {
+    TranslateInfoBarBase::ButtonPressed(sender, event);
+  }
+}
+
+void BeforeTranslateInfoBar::OriginalLanguageChanged() {
+  UpdateOriginalButtonText();
+}
+
+void BeforeTranslateInfoBar::TargetLanguageChanged() {
+  NOTREACHED();
+}
+
+void BeforeTranslateInfoBar::RunMenu(views::View* source,
+                                     const gfx::Point& pt) {
+  if (source == language_menu_button_) {
+    if (!languages_menu_.get())
+      languages_menu_.reset(new views::Menu2(&languages_menu_model_));
+    languages_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 BeforeTranslateInfoBar::UpdateOriginalButtonText() {
+  string16 language = GetDelegate()->GetLanguageDisplayableNameAt(
+      GetDelegate()->original_language_index());
+  language_menu_button_->SetText(UTF16ToWideHack(language));
+  // The following line is necessary for the preferred size to be recomputed.
+  language_menu_button_->ClearMaxTextSize();
+  // The button may have to grow to show the new text.
+  Layout();
+  SchedulePaint();
+}