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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 "content/browser/service_worker/service_worker_registration_handle.h"
#include "content/browser/service_worker/service_worker_context_core.h"
#include "content/browser/service_worker/service_worker_dispatcher_host.h"
#include "content/browser/service_worker/service_worker_handle.h"
#include "content/common/service_worker/service_worker_messages.h"
#include "content/common/service_worker/service_worker_types.h"
namespace content {
ServiceWorkerRegistrationHandle::ServiceWorkerRegistrationHandle(
base::WeakPtr<ServiceWorkerContextCore> context,
ServiceWorkerDispatcherHost* dispatcher_host,
int provider_id,
ServiceWorkerRegistration* registration)
: context_(context),
dispatcher_host_(dispatcher_host),
provider_id_(provider_id),
handle_id_(context ? context->GetNewRegistrationHandleId()
: kInvalidServiceWorkerRegistrationHandleId),
ref_count_(1),
registration_(registration) {
DCHECK(registration_.get());
SetVersionAttributes(registration->installing_version(),
registration->waiting_version(),
registration->active_version());
registration_->AddListener(this);
}
ServiceWorkerRegistrationHandle::~ServiceWorkerRegistrationHandle() {
DCHECK(registration_.get());
registration_->RemoveListener(this);
}
ServiceWorkerRegistrationObjectInfo
ServiceWorkerRegistrationHandle::GetObjectInfo() {
ServiceWorkerRegistrationObjectInfo info;
info.handle_id = handle_id_;
info.scope = registration_->pattern();
info.registration_id = registration_->id();
return info;
}
void ServiceWorkerRegistrationHandle::IncrementRefCount() {
DCHECK_GT(ref_count_, 0);
++ref_count_;
}
void ServiceWorkerRegistrationHandle::DecrementRefCount() {
DCHECK_GT(ref_count_, 0);
--ref_count_;
}
void ServiceWorkerRegistrationHandle::OnVersionAttributesChanged(
ServiceWorkerRegistration* registration,
ChangedVersionAttributesMask changed_mask,
const ServiceWorkerRegistrationInfo& info) {
DCHECK_EQ(registration->id(), registration_->id());
SetVersionAttributes(registration->installing_version(),
registration->waiting_version(),
registration->active_version());
}
void ServiceWorkerRegistrationHandle::OnRegistrationFailed(
ServiceWorkerRegistration* registration) {
DCHECK_EQ(registration->id(), registration_->id());
ClearVersionAttributes();
}
void ServiceWorkerRegistrationHandle::OnUpdateFound(
ServiceWorkerRegistration* registration) {
if (!dispatcher_host_)
return; // Could be NULL in some tests.
dispatcher_host_->Send(new ServiceWorkerMsg_UpdateFound(
kDocumentMainThreadId, GetObjectInfo()));
}
void ServiceWorkerRegistrationHandle::SetVersionAttributes(
ServiceWorkerVersion* installing_version,
ServiceWorkerVersion* waiting_version,
ServiceWorkerVersion* active_version) {
ChangedVersionAttributesMask mask;
if (installing_version != installing_version_.get()) {
installing_version_ = installing_version;
mask.add(ChangedVersionAttributesMask::INSTALLING_VERSION);
}
if (waiting_version != waiting_version_.get()) {
waiting_version_ = waiting_version;
mask.add(ChangedVersionAttributesMask::WAITING_VERSION);
}
if (active_version != active_version_.get()) {
active_version_ = active_version;
mask.add(ChangedVersionAttributesMask::ACTIVE_VERSION);
}
if (!dispatcher_host_)
return; // Could be NULL in some tests.
if (!mask.changed())
return;
ServiceWorkerVersionAttributes attributes;
if (mask.installing_changed()) {
attributes.installing =
dispatcher_host_->CreateAndRegisterServiceWorkerHandle(
installing_version);
}
if (mask.waiting_changed()) {
attributes.waiting =
dispatcher_host_->CreateAndRegisterServiceWorkerHandle(waiting_version);
}
if (mask.active_changed()) {
attributes.active =
dispatcher_host_->CreateAndRegisterServiceWorkerHandle(active_version);
}
dispatcher_host_->Send(new ServiceWorkerMsg_SetVersionAttributes(
kDocumentMainThreadId, provider_id_, handle_id_,
mask.changed(), attributes));
}
void ServiceWorkerRegistrationHandle::ClearVersionAttributes() {
SetVersionAttributes(NULL, NULL, NULL);
}
} // namespace content
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