src/components/translate/content/browser/content_translate_driver.cc

   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 "components/translate/content/browser/content_translate_driver.h"
   6
   7 #include "base/logging.h"
   8 #include "content/public/browser/navigation_controller.h"
   9 #include "content/public/browser/navigation_details.h"
  10 #include "content/public/browser/navigation_entry.h"
  11
  12 ContentTranslateDriver::ContentTranslateDriver(
  13     content::NavigationController* nav_controller)
  14     : navigation_controller_(nav_controller),
  15       language_state_(this),
  16       observer_(NULL) {
  17   DCHECK(navigation_controller_);
  18 }
  19
  20 ContentTranslateDriver::~ContentTranslateDriver() {}
  21
  22 void ContentTranslateDriver::DidNavigate(
  23     const content::LoadCommittedDetails& details) {
  24   const bool reload =
  25       details.entry->GetTransitionType() == content::PAGE_TRANSITION_RELOAD ||
  26       details.type == content::NAVIGATION_TYPE_SAME_PAGE;
  27   language_state_.DidNavigate(
  28       details.is_in_page, details.is_main_frame, reload);
  29 }
  30
  31 // TranslateDriver methods
  32
  33 bool ContentTranslateDriver::IsLinkNavigation() {
  34   return navigation_controller_ && navigation_controller_->GetActiveEntry() &&
  35          navigation_controller_->GetActiveEntry()->GetTransitionType() ==
  36              content::PAGE_TRANSITION_LINK;
  37 }
  38
  39 void ContentTranslateDriver::OnTranslateEnabledChanged() {
  40   if (observer_) {
  41     content::WebContents* web_contents =
  42         navigation_controller_->GetWebContents();
  43     observer_->OnTranslateEnabledChanged(web_contents);
  44   }
  45 }
  46
  47 void ContentTranslateDriver::OnIsPageTranslatedChanged() {
  48   if (observer_) {
  49     content::WebContents* web_contents =
  50         navigation_controller_->GetWebContents();
  51     observer_->OnIsPageTranslatedChanged(web_contents);
  52   }
  53 }
  54
  55 LanguageState& ContentTranslateDriver::GetLanguageState() {
  56   return language_state_;
  57 }