Options2: Pull the trigger.

chrome/browser/ui/webui/options2/clear_browser_data_handler.cc

+// Copyright (c) 2011 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/options2/clear_browser_data_handler.h"
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/string16.h"
+#include "base/values.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/pref_names.h"
+#include "content/public/browser/notification_details.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "ui/base/l10n/l10n_util.h"
+
+ClearBrowserDataHandler::ClearBrowserDataHandler() : remover_(NULL) {
+}
+
+ClearBrowserDataHandler::~ClearBrowserDataHandler() {
+  if (remover_)
+    remover_->RemoveObserver(this);
+}
+
+void ClearBrowserDataHandler::Initialize() {
+  clear_plugin_lso_data_enabled_.Init(prefs::kClearPluginLSODataEnabled,
+                                      Profile::FromWebUI(web_ui_)->GetPrefs(),
+                                      NULL);
+}
+
+void ClearBrowserDataHandler::GetLocalizedValues(
+    DictionaryValue* localized_strings) {
+  DCHECK(localized_strings);
+
+  static OptionsStringResource resources[] = {
+    { "clearBrowserDataLabel", IDS_CLEAR_BROWSING_DATA_LABEL },
+    { "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 },
+    { "clearBrowserDataCommit", IDS_CLEAR_BROWSING_DATA_COMMIT },
+    { "flashStorageSettings", IDS_FLASH_STORAGE_SETTINGS },
+    { "flash_storage_url", IDS_FLASH_STORAGE_URL },
+    { "clearDataDeleting", IDS_CLEAR_DATA_DELETING },
+  };
+
+  RegisterStrings(localized_strings, resources, arraysize(resources));
+  RegisterTitle(localized_strings, "clearBrowserDataOverlay",
+                IDS_CLEAR_BROWSING_DATA_TITLE);
+
+  ListValue* time_list = new ListValue;
+  for (int i = 0; i < 5; i++) {
+    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;
+    }
+    ListValue* option = new ListValue();
+    option->Append(Value::CreateIntegerValue(i));
+    option->Append(Value::CreateStringValue(label_string));
+    time_list->Append(option);
+  }
+  localized_strings->Set("clearBrowserDataTimeList", time_list);
+}
+
+void ClearBrowserDataHandler::RegisterMessages() {
+  // Setup handlers specific to this panel.
+  DCHECK(web_ui_);
+  web_ui_->RegisterMessageCallback("performClearBrowserData",
+      base::Bind(&ClearBrowserDataHandler::HandleClearBrowserData,
+                 base::Unretained(this)));
+}
+
+void ClearBrowserDataHandler::HandleClearBrowserData(const ListValue* value) {
+  Profile* profile = Profile::FromWebUI(web_ui_);
+  PrefService* prefs = profile->GetPrefs();
+
+  int remove_mask = 0;
+  if (prefs->GetBoolean(prefs::kDeleteBrowsingHistory))
+    remove_mask |= BrowsingDataRemover::REMOVE_HISTORY;
+  if (prefs->GetBoolean(prefs::kDeleteDownloadHistory))
+    remove_mask |= BrowsingDataRemover::REMOVE_DOWNLOADS;
+  if (prefs->GetBoolean(prefs::kDeleteCache))
+    remove_mask |= BrowsingDataRemover::REMOVE_CACHE;
+  if (prefs->GetBoolean(prefs::kDeleteCookies)) {
+    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;
+    remove_mask |= site_data_mask;
+  }
+  if (prefs->GetBoolean(prefs::kDeletePasswords))
+    remove_mask |= BrowsingDataRemover::REMOVE_PASSWORDS;
+  if (prefs->GetBoolean(prefs::kDeleteFormData))
+    remove_mask |= BrowsingDataRemover::REMOVE_FORM_DATA;
+
+  int period_selected = prefs->GetInteger(prefs::kDeleteTimePeriod);
+
+  base::FundamentalValue state(true);
+  web_ui_->CallJavascriptFunction("ClearBrowserDataOverlay.setClearingState",
+                                  state);
+
+  // If we are still observing a previous data remover, we need to stop
+  // observing.
+  if (remover_)
+    remover_->RemoveObserver(this);
+
+  // BrowsingDataRemover deletes itself when done.
+  remover_ = new BrowsingDataRemover(profile,
+      static_cast<BrowsingDataRemover::TimePeriod>(period_selected),
+      base::Time());
+  remover_->AddObserver(this);
+  remover_->Remove(remove_mask);
+}
+
+void ClearBrowserDataHandler::OnBrowsingDataRemoverDone() {
+  // No need to remove ourselves as an observer as BrowsingDataRemover deletes
+  // itself after we return.
+  remover_ = NULL;
+  DCHECK(web_ui_);
+  web_ui_->CallJavascriptFunction("ClearBrowserDataOverlay.doneClearing");
+}