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// Copyright (c) 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.
#include "chrome/browser/ui/webui/options/clear_browser_data_handler.h"
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string16.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browsing_data/browsing_data_helper.h"
#include "chrome/browser/browsing_data/browsing_data_remover.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/grit/locale_settings.h"
#include "components/google/core/browser/google_util.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/web_ui.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/l10n/l10n_util.h"
namespace {
const char kClearBrowsingDataLearnMoreUrl[] =
"https://support.google.com/chrome/?p=settings_clear_browsing_data";
}
namespace options {
ClearBrowserDataHandler::ClearBrowserDataHandler()
: remover_(NULL) {
}
ClearBrowserDataHandler::~ClearBrowserDataHandler() {
if (remover_)
remover_->RemoveObserver(this);
}
void ClearBrowserDataHandler::InitializeHandler() {
PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
clear_plugin_lso_data_enabled_.Init(prefs::kClearPluginLSODataEnabled, prefs);
pepper_flash_settings_enabled_.Init(prefs::kPepperFlashSettingsEnabled,
prefs);
allow_deleting_browser_history_.Init(
prefs::kAllowDeletingBrowserHistory,
prefs,
base::Bind(&ClearBrowserDataHandler::OnBrowsingHistoryPrefChanged,
base::Unretained(this)));
}
void ClearBrowserDataHandler::InitializePage() {
UpdateInfoBannerVisibility();
OnBrowsingHistoryPrefChanged();
bool removal_in_progress = !!remover_;
web_ui()->CallJavascriptFunction("ClearBrowserDataOverlay.setClearing",
base::FundamentalValue(removal_in_progress));
web_ui()->CallJavascriptFunction(
"ClearBrowserDataOverlay.markInitializationComplete");
}
void ClearBrowserDataHandler::UpdateInfoBannerVisibility() {
Profile* profile = Profile::FromWebUI(web_ui());
base::Time lastClearBrowsingDataTime = base::Time::FromInternalValue(
profile->GetPrefs()->GetInt64(prefs::kLastClearBrowsingDataTime));
const int64 kHoursPerDay = 24;
bool visible = (base::Time::Now() - lastClearBrowsingDataTime) <=
base::TimeDelta::FromHours(kHoursPerDay);
base::ListValue args;
args.AppendBoolean(visible);
web_ui()->CallJavascriptFunction(
"ClearBrowserDataOverlay.setBannerVisibility", args);
}
void ClearBrowserDataHandler::GetLocalizedValues(
base::DictionaryValue* localized_strings) {
DCHECK(localized_strings);
static OptionsStringResource resources[] = {
{ "clearBrowserDataLabel", IDS_CLEAR_BROWSING_DATA_LABEL },
{ "contentSettingsAndSearchEnginesRemain",
IDS_CLEAR_BROWSING_DATA_SOME_STUFF_REMAINS },
{ "deleteBrowsingHistoryCheckbox", IDS_DEL_BROWSING_HISTORY_CHKBOX },
{ "deleteDownloadHistoryCheckbox", IDS_DEL_DOWNLOAD_HISTORY_CHKBOX },
{ "deleteCacheCheckbox", IDS_DEL_CACHE_CHKBOX },
{ "deleteCookiesCheckbox", IDS_DEL_COOKIES_CHKBOX },
{ "deleteCookiesFlashCheckbox", IDS_DEL_COOKIES_FLASH_CHKBOX },
{ "deletePasswordsCheckbox", IDS_DEL_PASSWORDS_CHKBOX },
{ "deleteFormDataCheckbox", IDS_DEL_FORM_DATA_CHKBOX },
{ "deleteHostedAppsDataCheckbox", IDS_DEL_HOSTED_APPS_DATA_CHKBOX },
{ "deauthorizeContentLicensesCheckbox",
IDS_DEAUTHORIZE_CONTENT_LICENSES_CHKBOX },
{ "clearBrowserDataCommit", IDS_CLEAR_BROWSING_DATA_COMMIT },
{ "flash_storage_url", IDS_FLASH_STORAGE_URL },
};
RegisterStrings(localized_strings, resources, arraysize(resources));
RegisterTitle(localized_strings, "clearBrowserDataOverlay",
IDS_CLEAR_BROWSING_DATA_TITLE);
localized_strings->SetString("clearBrowsingDataLearnMoreUrl",
kClearBrowsingDataLearnMoreUrl);
ui::Accelerator acc(ui::VKEY_N, ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN);
localized_strings->SetString(
"clearBrowserDataInfoBar",
l10n_util::GetStringFUTF16(
IDS_CLEAR_BROWSING_DATA_INFO_BAR_TEXT,
acc.GetShortcutText()));
base::ListValue* time_list = new base::ListValue;
for (int i = 0; i < 5; i++) {
base::string16 label_string;
switch (i) {
case 0:
label_string = l10n_util::GetStringUTF16(IDS_CLEAR_DATA_HOUR);
break;
case 1:
label_string = l10n_util::GetStringUTF16(IDS_CLEAR_DATA_DAY);
break;
case 2:
label_string = l10n_util::GetStringUTF16(IDS_CLEAR_DATA_WEEK);
break;
case 3:
label_string = l10n_util::GetStringUTF16(IDS_CLEAR_DATA_4WEEKS);
break;
case 4:
label_string = l10n_util::GetStringUTF16(IDS_CLEAR_DATA_EVERYTHING);
break;
}
base::ListValue* option = new base::ListValue();
option->Append(new base::FundamentalValue(i));
option->Append(new base::StringValue(label_string));
time_list->Append(option);
}
localized_strings->Set("clearBrowserDataTimeList", time_list);
localized_strings->SetBoolean("showDeleteBrowsingHistoryCheckboxes",
!Profile::FromWebUI(web_ui())->IsSupervised());
}
void ClearBrowserDataHandler::RegisterMessages() {
// Setup handlers specific to this panel.
web_ui()->RegisterMessageCallback("performClearBrowserData",
base::Bind(&ClearBrowserDataHandler::HandleClearBrowserData,
base::Unretained(this)));
}
void ClearBrowserDataHandler::HandleClearBrowserData(
const base::ListValue* value) {
// We should never be called when the previous clearing has not yet finished.
CHECK(!remover_);
Profile* profile = Profile::FromWebUI(web_ui());
PrefService* prefs = profile->GetPrefs();
int site_data_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
// Don't try to clear LSO data if it's not supported.
if (!*clear_plugin_lso_data_enabled_)
site_data_mask &= ~BrowsingDataRemover::REMOVE_PLUGIN_DATA;
int remove_mask = 0;
int origin_mask = 0;
if (prefs->GetBoolean(prefs::kDeleteBrowsingHistory) &&
*allow_deleting_browser_history_) {
remove_mask |= BrowsingDataRemover::REMOVE_HISTORY;
}
if (prefs->GetBoolean(prefs::kDeleteDownloadHistory) &&
*allow_deleting_browser_history_) {
remove_mask |= BrowsingDataRemover::REMOVE_DOWNLOADS;
}
if (prefs->GetBoolean(prefs::kDeleteCache))
remove_mask |= BrowsingDataRemover::REMOVE_CACHE;
if (prefs->GetBoolean(prefs::kDeleteCookies)) {
remove_mask |= site_data_mask;
origin_mask |= BrowsingDataHelper::UNPROTECTED_WEB;
}
if (prefs->GetBoolean(prefs::kDeletePasswords))
remove_mask |= BrowsingDataRemover::REMOVE_PASSWORDS;
if (prefs->GetBoolean(prefs::kDeleteFormData))
remove_mask |= BrowsingDataRemover::REMOVE_FORM_DATA;
// Clearing Content Licenses is only supported in Pepper Flash.
if (prefs->GetBoolean(prefs::kDeauthorizeContentLicenses) &&
*pepper_flash_settings_enabled_) {
remove_mask |= BrowsingDataRemover::REMOVE_CONTENT_LICENSES;
}
if (prefs->GetBoolean(prefs::kDeleteHostedAppsData)) {
remove_mask |= site_data_mask;
origin_mask |= BrowsingDataHelper::PROTECTED_WEB;
}
// BrowsingDataRemover deletes itself when done.
int period_selected = prefs->GetInteger(prefs::kDeleteTimePeriod);
remover_ = BrowsingDataRemover::CreateForPeriod(profile,
static_cast<BrowsingDataRemover::TimePeriod>(period_selected));
remover_->AddObserver(this);
remover_->Remove(remove_mask, origin_mask);
// Store the clear browsing data time. Next time the clear browsing data
// dialog is open, this time is used to decide whether to display an info
// banner or not.
prefs->SetInt64(prefs::kLastClearBrowsingDataTime,
base::Time::Now().ToInternalValue());
}
void ClearBrowserDataHandler::OnBrowsingDataRemoverDone() {
// No need to remove ourselves as an observer as BrowsingDataRemover deletes
// itself after we return.
remover_ = NULL;
web_ui()->CallJavascriptFunction("ClearBrowserDataOverlay.doneClearing");
}
void ClearBrowserDataHandler::OnBrowsingHistoryPrefChanged() {
web_ui()->CallJavascriptFunction(
"ClearBrowserDataOverlay.setAllowDeletingHistory",
base::FundamentalValue(*allow_deleting_browser_history_));
}
} // namespace options
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