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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/plugin_data_remover_helper.h"
#include <string>
#include "base/bind.h"
#include "chrome/browser/plugin_prefs.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/chrome_notification_types.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/plugin_data_remover.h"
#include "content/public/browser/plugin_service.h"
#include "webkit/plugins/webplugininfo.h"
using content::BrowserThread;
using content::PluginService;
PluginDataRemoverHelper::PluginDataRemoverHelper()
: profile_(NULL),
ALLOW_THIS_IN_INITIALIZER_LIST(factory_(this)) {}
PluginDataRemoverHelper::~PluginDataRemoverHelper() {
}
void PluginDataRemoverHelper::Init(const char* pref_name,
Profile* profile,
content::NotificationObserver* observer) {
pref_.Init(pref_name, profile->GetPrefs(), observer);
profile_ = profile;
registrar_.Add(this, chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED,
content::Source<Profile>(profile));
StartUpdate();
}
// static
bool PluginDataRemoverHelper::IsSupported(PluginPrefs* plugin_prefs) {
webkit::WebPluginInfo plugin;
return content::PluginDataRemover::IsSupported(&plugin) &&
plugin_prefs->IsPluginEnabled(plugin);
}
void PluginDataRemoverHelper::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
if (type == chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED) {
StartUpdate();
} else {
NOTREACHED();
}
}
void PluginDataRemoverHelper::StartUpdate() {
PluginService::GetInstance()->GetPlugins(
base::Bind(&PluginDataRemoverHelper::GotPlugins, factory_.GetWeakPtr(),
PluginPrefs::GetForProfile(profile_)));
}
void PluginDataRemoverHelper::GotPlugins(
scoped_refptr<PluginPrefs> plugin_prefs,
const std::vector<webkit::WebPluginInfo>& plugins) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
bool supported = IsSupported(plugin_prefs);
// Set the value on the PrefService instead of through the PrefMember to
// notify observers if it changed.
profile_->GetPrefs()->SetBoolean(pref_.GetPrefName().c_str(), supported);
}
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