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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_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
#define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
#include <set>
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/prefs/pref_member.h"
#include "base/scoped_observer.h"
#include "base/strings/string16.h"
#include "chrome/browser/content_settings/permission_context_base.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/keyed_service/core/keyed_service.h"
#include "ui/message_center/notifier_settings.h"
#include "url/gurl.h"
#if defined(ENABLE_EXTENSIONS)
#include "extensions/browser/extension_registry_observer.h"
#endif
class Profile;
#if defined(ENABLE_EXTENSIONS)
namespace extensions {
class ExtensionRegistry;
}
#endif
namespace user_prefs {
class PrefRegistrySyncable;
}
// The DesktopNotificationService is an object, owned by the Profile,
// which provides the creation of desktop "toasts" to web pages and workers.
class DesktopNotificationService : public PermissionContextBase
#if defined(ENABLE_EXTENSIONS)
,
public extensions::ExtensionRegistryObserver
#endif
{
public:
// Register profile-specific prefs of notifications.
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* prefs);
explicit DesktopNotificationService(Profile* profile);
~DesktopNotificationService() override;
// Requests Web Notification permission for |requesting_frame|. The |callback|
// will be invoked after the user has made a decision.
void RequestNotificationPermission(
content::WebContents* web_contents,
const PermissionRequestID& request_id,
const GURL& requesting_origin,
bool user_gesture,
const base::Callback<void(bool)>& result_callback);
// Returns true if the notifier with |notifier_id| is allowed to send
// notifications.
bool IsNotifierEnabled(const message_center::NotifierId& notifier_id);
// Updates the availability of the notifier.
void SetNotifierEnabled(const message_center::NotifierId& notifier_id,
bool enabled);
private:
// Called when the string list pref has been changed.
void OnStringListPrefChanged(
const char* pref_name, std::set<std::string>* ids_field);
// Called when the disabled_extension_id pref has been changed.
void OnDisabledExtensionIdsChanged();
void FirePermissionLevelChangedEvent(
const message_center::NotifierId& notifier_id,
bool enabled);
#if defined(ENABLE_EXTENSIONS)
// extensions::ExtensionRegistryObserver:
void OnExtensionUninstalled(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UninstallReason reason) override;
#endif
// PermissionContextBase:
void UpdateContentSetting(const GURL& requesting_origin,
const GURL& embedder_origin,
bool allowed) override;
// The profile which owns this object.
Profile* profile_;
// Prefs listener for disabled_extension_id.
StringListPrefMember disabled_extension_id_pref_;
// Prefs listener for disabled_system_component_id.
StringListPrefMember disabled_system_component_id_pref_;
// On-memory data for the availability of extensions.
std::set<std::string> disabled_extension_ids_;
// On-memory data for the availability of system_component.
std::set<std::string> disabled_system_component_ids_;
#if defined(ENABLE_EXTENSIONS)
// An observer to listen when extension is uninstalled.
ScopedObserver<extensions::ExtensionRegistry,
extensions::ExtensionRegistryObserver>
extension_registry_observer_;
#endif
DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
};
#endif // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
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