chrome/browser/ui/browser_language_state_observer.cc

   1 // Copyright 2013 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_language_state_observer.h"
   6
   7 #include "chrome/browser/tab_contents/language_state.h"
   8 #include "chrome/browser/translate/translate_tab_helper.h"
   9 #include "chrome/browser/ui/browser.h"
  10 #include "chrome/browser/ui/browser_window.h"
  11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  12
  13 BrowserLanguageStateObserver::BrowserLanguageStateObserver(Browser* browser)
  14     : browser_(browser) {
  15 }
  16
  17 BrowserLanguageStateObserver::~BrowserLanguageStateObserver() {
  18 }
  19
  20 void BrowserLanguageStateObserver::OnIsPageTranslatedChanged(
  21     content::WebContents* source) {
  22   if (source == browser_->tab_strip_model()->GetActiveWebContents()) {
  23     TranslateTabHelper* translate_tab_helper =
  24         TranslateTabHelper::FromWebContents(source);
  25     LanguageState& language_state = translate_tab_helper->language_state();
  26     browser_->window()->SetTranslateIconToggled(
  27         language_state.IsPageTranslated());
  28   }
  29 }
  30
  31 void BrowserLanguageStateObserver::OnTranslateEnabledChanged(
  32     content::WebContents* source) {
  33   if (source == browser_->tab_strip_model()->GetActiveWebContents())
  34     browser_->window()->UpdateToolbar(source);
  35 }