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// 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/translate/translate_infobars_delegates.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/renderer_host/translation_service.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
// TranslateInfoBarDelegate: InfoBarDelegate overrides: ------------------------
SkBitmap* TranslateInfoBarDelegate::GetIcon() const {
return ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_INFOBAR_TRANSLATE);
}
bool TranslateInfoBarDelegate::EqualsDelegate(InfoBarDelegate* delegate) const {
TranslateInfoBarDelegate* translate_delegate =
delegate->AsTranslateInfoBarDelegate();
// There can be only 1 translate infobar at any one time.
return (!!translate_delegate);
}
void TranslateInfoBarDelegate::InfoBarDismissed() {
LanguageState& language_state = tab_contents_->language_state();
if (!language_state.IsPageTranslated() &&
!language_state.translation_pending()) {
// The user closed the infobar without clicking the translate button.
TranslationDeclined();
UMA_HISTOGRAM_COUNTS("Translate.DeclineTranslateCloseInfobar", 1);
}
}
void TranslateInfoBarDelegate::InfoBarClosed() {
delete this;
}
// TranslateInfoBarDelegate: public: -------------------------------------------
string16 TranslateInfoBarDelegate::GetDisplayNameForLocale(
const std::string& language_code) {
return l10n_util::GetDisplayNameForLocale(
language_code, g_browser_process->GetApplicationLocale(), true);
}
void TranslateInfoBarDelegate::UpdateState(TranslateState new_state) {
translation_pending_ = false;
if (state_ != new_state)
state_ = new_state;
}
void TranslateInfoBarDelegate::ModifyOriginalLanguage(int lang_index) {
original_lang_index_ = lang_index;
// TODO(kuan): Send stats to Google Translate that original language has been
// modified.
}
void TranslateInfoBarDelegate::ModifyTargetLanguage(int lang_index) {
target_lang_index_ = lang_index;
}
void TranslateInfoBarDelegate::GetAvailableOriginalLanguages(
std::vector<std::string>* languages) {
TranslationService::GetSupportedLanguages(languages);
}
void TranslateInfoBarDelegate::GetAvailableTargetLanguages(
std::vector<std::string>* languages) {
TranslationService::GetSupportedLanguages(languages);
}
void TranslateInfoBarDelegate::Translate() {
// We only really send page for translation if original and target languages
// are different, so only in this case is translation really pending.
if (original_lang_index_ != target_lang_index_)
translation_pending_ = true;
tab_contents_->TranslatePage(original_lang_code(), target_lang_code());
}
void TranslateInfoBarDelegate::RevertTranslation() {
tab_contents_->RevertTranslatedPage();
}
void TranslateInfoBarDelegate::TranslationDeclined() {
// Remember that the user declined the translation so as to prevent showing a
// translate infobar for that page again. (TranslateManager initiates
// translations when getting a LANGUAGE_DETERMINED from the page, which
// happens when a load stops. That could happen multiple times, including
// after the user already declined the translation.)
tab_contents_->language_state().set_translation_declined(true);
}
bool TranslateInfoBarDelegate::IsLanguageBlacklisted() {
never_translate_language_ =
prefs_->IsLanguageBlacklisted(original_lang_code());
return never_translate_language_;
}
bool TranslateInfoBarDelegate::IsSiteBlacklisted() {
never_translate_site_ = prefs_->IsSiteBlacklisted(site_);
return never_translate_site_;
}
bool TranslateInfoBarDelegate::ShouldAlwaysTranslate() {
always_translate_ = prefs_->IsLanguagePairWhitelisted(original_lang_code(),
target_lang_code());
return always_translate_;
}
void TranslateInfoBarDelegate::ToggleLanguageBlacklist() {
never_translate_language_ = !never_translate_language_;
if (never_translate_language_)
prefs_->BlacklistLanguage(original_lang_code());
else
prefs_->RemoveLanguageFromBlacklist(original_lang_code());
}
void TranslateInfoBarDelegate::ToggleSiteBlacklist() {
never_translate_site_ = !never_translate_site_;
if (never_translate_site_)
prefs_->BlacklistSite(site_);
else
prefs_->RemoveSiteFromBlacklist(site_);
}
void TranslateInfoBarDelegate::ToggleAlwaysTranslate() {
always_translate_ = !always_translate_;
if (always_translate_)
prefs_->WhitelistLanguagePair(original_lang_code(), target_lang_code());
else
prefs_->RemoveLanguagePairFromWhitelist(original_lang_code(),
target_lang_code());
}
void TranslateInfoBarDelegate::GetMessageText(string16 *message_text,
std::vector<size_t> *offsets, bool *swapped_language_placeholders) {
*swapped_language_placeholders = false;
offsets->clear();
std::vector<size_t> offsets_tmp;
int message_resource_id = IDS_TRANSLATE_INFOBAR_BEFORE_MESSAGE;
if (state() == kAfterTranslate)
message_resource_id = IDS_TRANSLATE_INFOBAR_AFTER_MESSAGE;
*message_text = l10n_util::GetStringFUTF16(message_resource_id,
string16(), string16(), &offsets_tmp);
if (offsets_tmp.empty() || offsets_tmp.size() > 2) {
NOTREACHED() << "Invalid no. of placeholders in label.";
return;
}
// Sort the offsets if necessary.
if (offsets_tmp.size() == 2 && offsets_tmp[0] > offsets_tmp[1]) {
size_t offset0 = offsets_tmp[0];
offsets_tmp[0] = offsets_tmp[1];
offsets_tmp[1] = offset0;
*swapped_language_placeholders = true;
}
if (offsets_tmp[offsets_tmp.size() - 1] != message_text->length())
offsets_tmp.push_back(message_text->length());
*offsets = offsets_tmp;
}
// TranslateInfoBarDelegate: static: -------------------------------------------
TranslateInfoBarDelegate* TranslateInfoBarDelegate::Create(
TabContents* tab_contents, PrefService* user_prefs, TranslateState state,
const GURL& url,
const std::string& original_lang_code,
const std::string& target_lang_code) {
std::vector<std::string> supported_languages;
TranslationService::GetSupportedLanguages(&supported_languages);
int original_lang_index = -1;
for (size_t i = 0; i < supported_languages.size(); ++i) {
if (original_lang_code == supported_languages[i]) {
original_lang_index = i;
break;
}
}
if (original_lang_index == -1)
return NULL;
int target_lang_index = -1;
for (size_t i = 0; i < supported_languages.size(); ++i) {
if (target_lang_code == supported_languages[i]) {
target_lang_index = i;
break;
}
}
if (target_lang_index == -1)
return NULL;
return new TranslateInfoBarDelegate(tab_contents, user_prefs, state, url,
original_lang_index, target_lang_index);
}
// TranslateInfoBarDelegate: private: ------------------------------------------
TranslateInfoBarDelegate::TranslateInfoBarDelegate(TabContents* tab_contents,
PrefService* user_prefs, TranslateState state, const GURL& url,
int original_lang_index, int target_lang_index)
: InfoBarDelegate(tab_contents),
tab_contents_(tab_contents),
prefs_(new TranslatePrefs(user_prefs)),
state_(state),
translation_pending_(false),
site_(url.HostNoBrackets()),
original_lang_index_(original_lang_index),
target_lang_index_(target_lang_index),
never_translate_language_(false),
never_translate_site_(false),
always_translate_(false) {
TranslationService::GetSupportedLanguages(&supported_languages_);
DCHECK(original_lang_index_ > -1);
DCHECK(target_lang_index_ > -1);
}
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