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      1 // Copyright 2014 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/browser_content_translate_driver_observer.h"
      6 
      7 #include "chrome/browser/translate/chrome_translate_client.h"
      8 #include "chrome/browser/ui/browser.h"
      9 #include "chrome/browser/ui/browser_window.h"
     10 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     11 #include "components/translate/core/browser/language_state.h"
     12 
     13 BrowserContentTranslateDriverObserver::BrowserContentTranslateDriverObserver(
     14     Browser* browser) : browser_(browser) {
     15 }
     16 
     17 BrowserContentTranslateDriverObserver::
     18     ~BrowserContentTranslateDriverObserver() {
     19 }
     20 
     21 void BrowserContentTranslateDriverObserver::OnIsPageTranslatedChanged(
     22     content::WebContents* source) {
     23   if (source == browser_->tab_strip_model()->GetActiveWebContents()) {
     24     ChromeTranslateClient* chrome_translate_client =
     25         ChromeTranslateClient::FromWebContents(source);
     26     LanguageState& language_state = chrome_translate_client->GetLanguageState();
     27     browser_->window()->SetTranslateIconToggled(
     28         language_state.IsPageTranslated());
     29   }
     30 }
     31 
     32 void BrowserContentTranslateDriverObserver::OnTranslateEnabledChanged(
     33     content::WebContents* source) {
     34   if (source == browser_->tab_strip_model()->GetActiveWebContents())
     35     browser_->window()->UpdateToolbar(source);
     36 }
     37