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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_PLUGINS_PLUGIN_STATUS_PREF_SETTER_H_
#define CHROME_BROWSER_PLUGINS_PLUGIN_STATUS_PREF_SETTER_H_
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/prefs/pref_member.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class PluginPrefs;
class PrefService;
class Profile;
namespace content {
struct WebPluginInfo;
}
// Helper class modeled after BooleanPrefMember to (asynchronously) update
// preferences related to plugin enable status.
// It should only be used from the UI thread. The client has to make sure that
// the passed profile outlives this object.
class PluginStatusPrefSetter : public content::NotificationObserver {
public:
PluginStatusPrefSetter();
~PluginStatusPrefSetter() override;
// Binds the preferences in the profile's PrefService, notifying |observer| if
// any value changes.
// This asynchronously calls the PluginService to get the list of installed
// plugins.
void Init(Profile* profile,
const BooleanPrefMember::NamedChangeCallback& observer);
bool IsClearPluginLSODataEnabled() const {
return clear_plugin_lso_data_enabled_.GetValue();
}
bool IsPepperFlashSettingsEnabled() const {
return pepper_flash_settings_enabled_.GetValue();
}
// content::NotificationObserver methods:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
private:
void StartUpdate();
void GotPlugins(scoped_refptr<PluginPrefs> plugin_prefs,
const std::vector<content::WebPluginInfo>& plugins);
content::NotificationRegistrar registrar_;
// Weak pointer.
Profile* profile_;
// Whether clearing LSO data is supported.
BooleanPrefMember clear_plugin_lso_data_enabled_;
// Whether we should show Pepper Flash-specific settings.
BooleanPrefMember pepper_flash_settings_enabled_;
base::WeakPtrFactory<PluginStatusPrefSetter> factory_;
DISALLOW_COPY_AND_ASSIGN(PluginStatusPrefSetter);
};
#endif // CHROME_BROWSER_PLUGINS_PLUGIN_STATUS_PREF_SETTER_H_
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