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// Copyright 2014 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/extensions/extension_gcm_app_handler.h"
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/location.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/services/gcm/gcm_profile_service.h"
#include "chrome/browser/services/gcm/gcm_profile_service_factory.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_source.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_system.h"
#include "extensions/common/extension.h"
#include "extensions/common/permissions/permissions_data.h"
#if !defined(OS_ANDROID)
#include "chrome/browser/extensions/api/gcm/gcm_api.h"
#endif
namespace extensions {
namespace {
base::LazyInstance<BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler> >
g_factory = LAZY_INSTANCE_INITIALIZER;
bool IsGCMPermissionEnabled(const Extension* extension) {
return PermissionsData::HasAPIPermission(extension, APIPermission::kGcm);
}
} // namespace
// static
BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler>*
ExtensionGCMAppHandler::GetFactoryInstance() {
return g_factory.Pointer();
}
ExtensionGCMAppHandler::ExtensionGCMAppHandler(content::BrowserContext* context)
: profile_(Profile::FromBrowserContext(context)),
weak_factory_(this) {
// Listen to various extension related notifications.
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_LOADED,
content::Source<Profile>(profile_));
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
content::Source<Profile>(profile_));
registrar_.Add(this,
chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
content::Source<Profile>(profile_));
#if !defined(OS_ANDROID)
js_event_router_.reset(new extensions::GcmJsEventRouter(profile_));
#endif
}
ExtensionGCMAppHandler::~ExtensionGCMAppHandler() {
const ExtensionSet& enabled_extensions =
ExtensionRegistry::Get(profile_)->enabled_extensions();
for (ExtensionSet::const_iterator extension = enabled_extensions.begin();
extension != enabled_extensions.end();
++extension) {
if (IsGCMPermissionEnabled(extension->get()))
GetGCMProfileService()->RemoveAppHandler((*extension)->id());
}
}
void ExtensionGCMAppHandler::ShutdownHandler() {
#if !defined(OS_ANDROID)
js_event_router_.reset();
#endif
}
void ExtensionGCMAppHandler::OnMessage(
const std::string& app_id,
const gcm::GCMClient::IncomingMessage& message) {
#if !defined(OS_ANDROID)
js_event_router_->OnMessage(app_id, message);
#endif
}
void ExtensionGCMAppHandler::OnMessagesDeleted(const std::string& app_id) {
#if !defined(OS_ANDROID)
js_event_router_->OnMessagesDeleted(app_id);
#endif
}
void ExtensionGCMAppHandler::OnSendError(
const std::string& app_id,
const gcm::GCMClient::SendErrorDetails& send_error_details) {
#if !defined(OS_ANDROID)
js_event_router_->OnSendError(app_id, send_error_details);
#endif
}
void ExtensionGCMAppHandler::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
switch (type) {
case chrome:: NOTIFICATION_EXTENSION_LOADED: {
const Extension* extension = content::Details<Extension>(details).ptr();
if (IsGCMPermissionEnabled(extension))
GetGCMProfileService()->AddAppHandler(extension->id(), this);
break;
}
case chrome:: NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED: {
const Extension* extension =
content::Details<UnloadedExtensionInfo>(details)->extension;
if (IsGCMPermissionEnabled(extension))
GetGCMProfileService()->RemoveAppHandler(extension->id());
break;
}
case chrome:: NOTIFICATION_EXTENSION_UNINSTALLED: {
const Extension* extension = content::Details<Extension>(details).ptr();
if (IsGCMPermissionEnabled(extension)) {
GetGCMProfileService()->Unregister(
extension->id(),
base::Bind(&ExtensionGCMAppHandler::OnUnregisterCompleted,
weak_factory_.GetWeakPtr(),
extension->id()));
GetGCMProfileService()->RemoveAppHandler(extension->id());
}
break;
}
default:
NOTREACHED();
}
}
gcm::GCMProfileService* ExtensionGCMAppHandler::GetGCMProfileService() const {
return gcm::GCMProfileServiceFactory::GetForProfile(profile_);
}
void ExtensionGCMAppHandler::OnUnregisterCompleted(
const std::string& app_id, gcm::GCMClient::Result result) {
// Nothing to do.
}
} // namespace extensions
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