Translate bubble for Mac OS X

chrome/browser/ui/cocoa/browser_window_controller.mm

 // Copyright 2012 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
 #include "base/mac/bundle_locations.h"
 #import "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/avatar_menu.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
+#include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/translate/translate_ui_delegate.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_command_controller.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_instant_controller.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window_state.h"
 #import "chrome/browser/ui/cocoa/background_gradient_view.h"
@@ skipping 1727 matching lines @@
     if (step != TranslateTabHelper::TRANSLATE_ERROR) {
       TranslateBubbleModel::ViewState viewState =
           TranslateBubbleModelImpl::TranslateStepToViewState(step);
       [translateBubbleController_ switchView:viewState];
     } else {
       [translateBubbleController_ switchToErrorView:errorType];
     }
     return;
   }
 
-  // TODO(hajimehoshi): Set the initial languages correctly.
-  std::string sourceLanguage = "xx";
-  std::string targetLanguage = "yy";
+  std::string sourceLanguage;
+  std::string targetLanguage;
+  TranslateTabHelper::GetTranslateLanguages(contents,
+                                            &sourceLanguage, &targetLanguage);
 
   scoped_ptr<TranslateUIDelegate> uiDelegate(
       new TranslateUIDelegate(contents, sourceLanguage, targetLanguage));
   scoped_ptr<TranslateBubbleModel> model(
       new TranslateBubbleModelImpl(step, uiDelegate.Pass()));
   translateBubbleController_ = [[TranslateBubbleController alloc]
                                  initWithParentWindow:self
                                                 model:model.Pass()
                                           webContents:contents];
   [translateBubbleController_ showWindow:nil];
@@ skipping 523 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)