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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/child/service_worker/service_worker_provider_context.h"
#include "base/bind.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/stl_util.h"
#include "content/child/child_thread.h"
#include "content/child/service_worker/service_worker_dispatcher.h"
#include "content/child/service_worker/service_worker_handle_reference.h"
#include "content/child/service_worker/service_worker_registration_handle_reference.h"
#include "content/child/thread_safe_sender.h"
#include "content/child/worker_task_runner.h"
#include "content/common/service_worker/service_worker_messages.h"
namespace content {
ServiceWorkerProviderContext::ServiceWorkerProviderContext(int provider_id)
: provider_id_(provider_id),
main_thread_loop_proxy_(base::MessageLoopProxy::current()) {
if (!ChildThread::current())
return; // May be null in some tests.
thread_safe_sender_ = ChildThread::current()->thread_safe_sender();
ServiceWorkerDispatcher* dispatcher =
ServiceWorkerDispatcher::GetOrCreateThreadSpecificInstance(
thread_safe_sender_.get());
DCHECK(dispatcher);
dispatcher->AddProviderContext(this);
}
ServiceWorkerProviderContext::~ServiceWorkerProviderContext() {
if (ServiceWorkerDispatcher* dispatcher =
ServiceWorkerDispatcher::GetThreadSpecificInstance()) {
dispatcher->RemoveProviderContext(this);
}
}
ServiceWorkerHandleReference* ServiceWorkerProviderContext::installing() {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return installing_.get();
}
ServiceWorkerHandleReference* ServiceWorkerProviderContext::waiting() {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return waiting_.get();
}
ServiceWorkerHandleReference* ServiceWorkerProviderContext::active() {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return active_.get();
}
ServiceWorkerHandleReference* ServiceWorkerProviderContext::controller() {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return controller_.get();
}
ServiceWorkerRegistrationHandleReference*
ServiceWorkerProviderContext::registration() {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return registration_.get();
}
ServiceWorkerVersionAttributes
ServiceWorkerProviderContext::GetVersionAttributes() {
ServiceWorkerVersionAttributes attrs;
if (installing())
attrs.installing = installing()->info();
if (waiting())
attrs.waiting = waiting()->info();
if (active())
attrs.active = active()->info();
return attrs;
}
void ServiceWorkerProviderContext::OnAssociateRegistration(
const ServiceWorkerRegistrationObjectInfo& info,
const ServiceWorkerVersionAttributes& attrs) {
DCHECK(!registration_);
DCHECK_NE(kInvalidServiceWorkerRegistrationHandleId, info.handle_id);
registration_ = ServiceWorkerRegistrationHandleReference::Adopt(
info, thread_safe_sender_.get());
installing_ = ServiceWorkerHandleReference::Adopt(
attrs.installing, thread_safe_sender_.get());
waiting_ = ServiceWorkerHandleReference::Adopt(
attrs.waiting, thread_safe_sender_.get());
active_ = ServiceWorkerHandleReference::Adopt(
attrs.active, thread_safe_sender_.get());
}
void ServiceWorkerProviderContext::OnDisassociateRegistration() {
controller_.reset();
active_.reset();
waiting_.reset();
installing_.reset();
registration_.reset();
}
void ServiceWorkerProviderContext::OnServiceWorkerStateChanged(
int handle_id,
blink::WebServiceWorkerState state) {
ServiceWorkerHandleReference* which = NULL;
if (handle_id == controller_handle_id())
which = controller_.get();
else if (handle_id == active_handle_id())
which = active_.get();
else if (handle_id == waiting_handle_id())
which = waiting_.get();
else if (handle_id == installing_handle_id())
which = installing_.get();
// We should only get messages for ServiceWorkers associated with
// this provider.
DCHECK(which);
which->set_state(state);
// TODO(kinuko): We can forward the message to other threads here
// when we support navigator.serviceWorker in dedicated workers.
}
void ServiceWorkerProviderContext::OnSetInstallingServiceWorker(
int registration_handle_id,
const ServiceWorkerObjectInfo& info) {
DCHECK(IsAssociatedWithRegistration(registration_handle_id));
installing_ =
ServiceWorkerHandleReference::Adopt(info, thread_safe_sender_.get());
}
void ServiceWorkerProviderContext::OnSetWaitingServiceWorker(
int registration_handle_id,
const ServiceWorkerObjectInfo& info) {
DCHECK(IsAssociatedWithRegistration(registration_handle_id));
waiting_ =
ServiceWorkerHandleReference::Adopt(info, thread_safe_sender_.get());
}
void ServiceWorkerProviderContext::OnSetActiveServiceWorker(
int registration_handle_id,
const ServiceWorkerObjectInfo& info) {
DCHECK(IsAssociatedWithRegistration(registration_handle_id));
active_ =
ServiceWorkerHandleReference::Adopt(info, thread_safe_sender_.get());
}
void ServiceWorkerProviderContext::OnSetControllerServiceWorker(
int registration_handle_id,
const ServiceWorkerObjectInfo& info) {
DCHECK(IsAssociatedWithRegistration(registration_handle_id));
// This context is is the primary owner of this handle, keeps the
// initial reference until it goes away.
controller_ =
ServiceWorkerHandleReference::Adopt(info, thread_safe_sender_.get());
// TODO(kinuko): We can forward the message to other threads here
// when we support navigator.serviceWorker in dedicated workers.
}
int ServiceWorkerProviderContext::installing_handle_id() const {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return installing_ ? installing_->info().handle_id
: kInvalidServiceWorkerHandleId;
}
int ServiceWorkerProviderContext::waiting_handle_id() const {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return waiting_ ? waiting_->info().handle_id
: kInvalidServiceWorkerHandleId;
}
int ServiceWorkerProviderContext::active_handle_id() const {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return active_ ? active_->info().handle_id
: kInvalidServiceWorkerHandleId;
}
int ServiceWorkerProviderContext::controller_handle_id() const {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return controller_ ? controller_->info().handle_id
: kInvalidServiceWorkerHandleId;
}
int ServiceWorkerProviderContext::registration_handle_id() const {
DCHECK(main_thread_loop_proxy_->RunsTasksOnCurrentThread());
return registration_ ? registration_->info().handle_id
: kInvalidServiceWorkerRegistrationHandleId;
}
bool ServiceWorkerProviderContext::IsAssociatedWithRegistration(
int registration_handle_id) const {
if (!registration_)
return false;
if (registration_handle_id == kInvalidServiceWorkerRegistrationHandleId)
return false;
return registration_->info().handle_id == registration_handle_id;
}
} // namespace content
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