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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.
#ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
#include "base/macros.h"
#include "base/memory/scoped_vector.h"
#include "chrome/browser/browsing_data/browsing_data_counter.h"
#include "chrome/browser/browsing_data/browsing_data_remover.h"
#include "chrome/browser/ui/webui/options/options_ui.h"
#include "components/browser_sync/browser/profile_sync_service.h"
#include "components/prefs/pref_member.h"
namespace options {
// Clear browser data handler page UI handler.
class ClearBrowserDataHandler : public OptionsPageUIHandler,
public BrowsingDataRemover::Observer,
public sync_driver::SyncServiceObserver {
public:
ClearBrowserDataHandler();
~ClearBrowserDataHandler() override;
// OptionsPageUIHandler implementation.
void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
void InitializeHandler() override;
void InitializePage() override;
// WebUIMessageHandler implementation.
void RegisterMessages() override;
void UpdateInfoBannerVisibility();
private:
// Javascript callback for when the CBD dialog is opened. The caller does
// not provide any parameters, so |value| is unused.
void OnPageOpened(const base::ListValue* value);
// Javascript callback to start clearing data.
void HandleClearBrowserData(const base::ListValue* value);
// BrowsingDataRemover::Observer implementation.
// Closes the dialog once all requested data has been removed.
void OnBrowsingDataRemoverDone() override;
// Updates UI when the pref to allow clearing history changes.
virtual void OnBrowsingHistoryPrefChanged();
// Adds a |counter| for browsing data.
void AddCounter(scoped_ptr<BrowsingDataCounter> counter);
// Updates a counter in the UI according to the |result|.
void UpdateCounterText(scoped_ptr<BrowsingDataCounter::Result> result);
// Implementation of SyncServiceObserver. Updates the support string at the
// bottom of the dialog.
void OnStateChanged() override;
// If non-null it means removal is in progress.
BrowsingDataRemover* remover_;
// Keeps track of whether clearing LSO data is supported.
BooleanPrefMember clear_plugin_lso_data_enabled_;
// Keeps track of whether Pepper Flash is enabled and thus Flapper-specific
// settings and removal options (e.g. Content Licenses) are available.
BooleanPrefMember pepper_flash_settings_enabled_;
// Keeps track of whether deleting browsing history and downloads is allowed.
BooleanPrefMember allow_deleting_browser_history_;
// Counters that calculate the data volume for some of the data types.
ScopedVector<BrowsingDataCounter> counters_;
// Informs us whether the user is syncing their data.
ProfileSyncService* sync_service_;
DISALLOW_COPY_AND_ASSIGN(ClearBrowserDataHandler);
};
} // namespace options
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
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