blob: 407c2e0df5c58682e28041bd4c7c7352651ce977 [file] [log] [blame]
// 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.
#ifndef CHROME_BROWSER_PLUGIN_UPDATER_H_
#define CHROME_BROWSER_PLUGIN_UPDATER_H_
#pragma once
#include <set>
#include <vector>
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/memory/singleton.h"
#include "content/common/notification_observer.h"
class DictionaryValue;
class ListValue;
class NotificationDetails;
class NotificationSource;
class Profile;
namespace webkit {
namespace npapi {
class PluginGroup;
struct WebPluginInfo;
}
}
class PluginUpdater : public NotificationObserver {
public:
// Get a list of all the plugin groups. The caller should take ownership
// of the returned ListValue.
static ListValue* GetPluginGroupsData();
// Enable or disable a plugin group.
void EnablePluginGroup(bool enable, const string16& group_name);
// Enable or disable a specific plugin file.
void EnablePlugin(bool enable, const FilePath::StringType& file_path);
// Enable or disable plugin groups as defined by the user's preference file.
void UpdatePluginGroupsStateFromPrefs(Profile* profile);
// Write the enable/disable status to the user's preference file.
void UpdatePreferences(Profile* profile, int delay_ms);
// NotificationObserver method overrides
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
static PluginUpdater* GetInstance();
private:
PluginUpdater();
virtual ~PluginUpdater() {}
// Called on the file thread to get the data necessary to update the saved
// preferences. The profile pointer is only to be passed to the UI thread.
static void GetPreferencesDataOnFileThread(void* profile);
// Called on the UI thread with the plugin data to save the preferences.
static void OnUpdatePreferences(
Profile* profile,
const std::vector<webkit::npapi::WebPluginInfo>& plugins,
const std::vector<webkit::npapi::PluginGroup>& groups);
// Queues sending the notification that plugin data has changed. This is done
// so that if a bunch of changes happen, we only send one notification.
void NotifyPluginStatusChanged();
// Used for the post task to notify that plugin enabled status changed.
static void OnNotifyPluginStatusChanged();
static DictionaryValue* CreatePluginFileSummary(
const webkit::npapi::WebPluginInfo& plugin);
// Force plugins to be enabled or disabled due to policy.
// |disabled_list| contains the list of StringValues of the names of the
// policy-disabled plugins, |exceptions_list| the policy-allowed plugins,
// and |enabled_list| the policy-enabled plugins.
void UpdatePluginsStateFromPolicy(const ListValue* disabled_list,
const ListValue* exceptions_list,
const ListValue* enabled_list);
void ListValueToStringSet(const ListValue* src, std::set<string16>* dest);
// Needed to allow singleton instantiation using private constructor.
friend struct DefaultSingletonTraits<PluginUpdater>;
bool notify_pending_;
DISALLOW_COPY_AND_ASSIGN(PluginUpdater);
};
#endif // CHROME_BROWSER_PLUGIN_UPDATER_H_