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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_handle.h"
#include "content/browser/service_worker/service_worker_context_core.h"
#include "content/browser/service_worker/service_worker_registration.h"
#include "content/common/service_worker/service_worker_messages.h"
#include "content/common/service_worker/service_worker_types.h"
#include "ipc/ipc_sender.h"
namespace content {
namespace {
blink::WebServiceWorkerState
GetWebServiceWorkerState(ServiceWorkerVersion* version) {
DCHECK(version);
switch (version->status()) {
case ServiceWorkerVersion::NEW:
return blink::WebServiceWorkerStateUnknown;
case ServiceWorkerVersion::INSTALLING:
return blink::WebServiceWorkerStateInstalling;
case ServiceWorkerVersion::INSTALLED:
return blink::WebServiceWorkerStateInstalled;
case ServiceWorkerVersion::ACTIVATING:
return blink::WebServiceWorkerStateActivating;
case ServiceWorkerVersion::ACTIVATED:
return blink::WebServiceWorkerStateActivated;
case ServiceWorkerVersion::REDUNDANT:
return blink::WebServiceWorkerStateRedundant;
}
NOTREACHED() << version->status();
return blink::WebServiceWorkerStateUnknown;
}
} // namespace
scoped_ptr<ServiceWorkerHandle> ServiceWorkerHandle::Create(
base::WeakPtr<ServiceWorkerContextCore> context,
IPC::Sender* sender,
ServiceWorkerVersion* version) {
if (!context || !version)
return scoped_ptr<ServiceWorkerHandle>();
ServiceWorkerRegistration* registration =
context->GetLiveRegistration(version->registration_id());
return make_scoped_ptr(new ServiceWorkerHandle(
context, sender, registration, version));
}
ServiceWorkerHandle::ServiceWorkerHandle(
base::WeakPtr<ServiceWorkerContextCore> context,
IPC::Sender* sender,
ServiceWorkerRegistration* registration,
ServiceWorkerVersion* version)
: context_(context),
sender_(sender),
handle_id_(context.get() ? context->GetNewServiceWorkerHandleId() : -1),
ref_count_(1),
registration_(registration),
version_(version) {
version_->AddListener(this);
}
ServiceWorkerHandle::~ServiceWorkerHandle() {
version_->RemoveListener(this);
// TODO(kinuko): At this point we can discard the registration if
// all documents/handles that have a reference to the registration is
// closed or freed up, but could also keep it alive in cache
// (e.g. in context_) for a while with some timer so that we don't
// need to re-load the same registration from disk over and over.
}
void ServiceWorkerHandle::OnVersionStateChanged(ServiceWorkerVersion* version) {
sender_->Send(new ServiceWorkerMsg_ServiceWorkerStateChanged(
kDocumentMainThreadId, handle_id_, GetWebServiceWorkerState(version)));
}
ServiceWorkerObjectInfo ServiceWorkerHandle::GetObjectInfo() {
ServiceWorkerObjectInfo info;
info.handle_id = handle_id_;
info.scope = registration_->pattern();
info.url = version_->script_url();
info.state = GetWebServiceWorkerState(version_.get());
info.version_id = version_->version_id();
return info;
}
void ServiceWorkerHandle::IncrementRefCount() {
DCHECK_GT(ref_count_, 0);
++ref_count_;
}
void ServiceWorkerHandle::DecrementRefCount() {
DCHECK_GE(ref_count_, 0);
--ref_count_;
}
} // namespace content
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