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// Copyright 2019 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 "third_party/blink/renderer/modules/background_sync/periodic_sync_manager.h"
#include "third_party/blink/public/common/thread_safe_browser_interface_broker_proxy.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_background_sync_options.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_registration.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
PeriodicSyncManager::PeriodicSyncManager(
ServiceWorkerRegistration* registration,
scoped_refptr<base::SequencedTaskRunner> task_runner)
: registration_(registration), task_runner_(std::move(task_runner)) {
DCHECK(registration_);
}
ScriptPromise PeriodicSyncManager::registerPeriodicSync(
ScriptState* script_state,
const String& tag,
const BackgroundSyncOptions* options,
ExceptionState& exception_state) {
if (!registration_->active()) {
exception_state.ThrowDOMException(
DOMExceptionCode::kInvalidStateError,
"Registration failed - no active Service Worker");
return ScriptPromise();
}
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
mojom::blink::SyncRegistrationOptionsPtr sync_registration =
mojom::blink::SyncRegistrationOptions::New(tag, options->minInterval());
GetBackgroundSyncServiceRemote()->Register(
std::move(sync_registration), registration_->RegistrationId(),
WTF::Bind(&PeriodicSyncManager::RegisterCallback, WrapPersistent(this),
WrapPersistent(resolver)));
return promise;
}
ScriptPromise PeriodicSyncManager::getTags(ScriptState* script_state) {
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
// Creating a Periodic Background Sync registration requires an activated
// service worker, so if |registration_| has not been activated yet, we can
// skip the Mojo roundtrip.
if (!registration_->active()) {
return ScriptPromise::Cast(script_state,
v8::Array::New(script_state->GetIsolate()));
}
// TODO(crbug.com/932591): Optimize this to only get the tags from the browser
// process instead of the registrations themselves.
GetBackgroundSyncServiceRemote()->GetRegistrations(
registration_->RegistrationId(),
WTF::Bind(&PeriodicSyncManager::GetRegistrationsCallback,
WrapPersistent(this), WrapPersistent(resolver)));
return promise;
}
ScriptPromise PeriodicSyncManager::unregister(ScriptState* script_state,
const String& tag) {
auto* resolver = MakeGarbageCollected<ScriptPromiseResolver>(script_state);
ScriptPromise promise = resolver->Promise();
// Silently succeed if there's no active service worker registration.
if (!registration_->active()) {
resolver->Resolve();
return promise;
}
GetBackgroundSyncServiceRemote()->Unregister(
registration_->RegistrationId(), tag,
WTF::Bind(&PeriodicSyncManager::UnregisterCallback, WrapPersistent(this),
WrapPersistent(resolver)));
return promise;
}
const mojo::Remote<mojom::blink::PeriodicBackgroundSyncService>&
PeriodicSyncManager::GetBackgroundSyncServiceRemote() {
if (!background_sync_service_.is_bound()) {
Platform::Current()->GetBrowserInterfaceBroker()->GetInterface(
background_sync_service_.BindNewPipeAndPassReceiver());
}
return background_sync_service_;
}
void PeriodicSyncManager::RegisterCallback(
ScriptPromiseResolver* resolver,
mojom::blink::BackgroundSyncError error,
mojom::blink::SyncRegistrationOptionsPtr options) {
switch (error) {
case mojom::blink::BackgroundSyncError::NONE:
resolver->Resolve();
break;
case mojom::blink::BackgroundSyncError::NOT_FOUND:
NOTREACHED();
break;
case mojom::blink::BackgroundSyncError::STORAGE:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kUnknownError, "Unknown error."));
break;
case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kInvalidAccessError,
"Attempted to register a sync event without a "
"window or registration tag too long."));
break;
case mojom::blink::BackgroundSyncError::PERMISSION_DENIED:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kNotAllowedError, "Permission denied."));
break;
case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kInvalidStateError,
"Registration failed - no active Service Worker"));
break;
}
}
void PeriodicSyncManager::GetRegistrationsCallback(
ScriptPromiseResolver* resolver,
mojom::blink::BackgroundSyncError error,
WTF::Vector<mojom::blink::SyncRegistrationOptionsPtr> registrations) {
switch (error) {
case mojom::blink::BackgroundSyncError::NONE: {
Vector<String> tags;
for (const auto& registration : registrations)
tags.push_back(registration->tag);
resolver->Resolve(tags);
break;
}
case mojom::blink::BackgroundSyncError::NOT_FOUND:
case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
case mojom::blink::BackgroundSyncError::PERMISSION_DENIED:
// These errors should never be returned from
// BackgroundSyncManager::GetPeriodicSyncRegistrations
NOTREACHED();
break;
case mojom::blink::BackgroundSyncError::STORAGE:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kUnknownError, "Unknown error."));
break;
case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kUnknownError, "No service worker is active."));
break;
}
}
void PeriodicSyncManager::UnregisterCallback(
ScriptPromiseResolver* resolver,
mojom::blink::BackgroundSyncError error) {
switch (error) {
case mojom::blink::BackgroundSyncError::NONE:
resolver->Resolve();
break;
case mojom::blink::BackgroundSyncError::NO_SERVICE_WORKER:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kUnknownError, "No service worker is active."));
break;
case mojom::blink::BackgroundSyncError::STORAGE:
resolver->Reject(MakeGarbageCollected<DOMException>(
DOMExceptionCode::kUnknownError, "Unknown error."));
break;
case mojom::blink::BackgroundSyncError::NOT_FOUND:
case mojom::blink::BackgroundSyncError::NOT_ALLOWED:
case mojom::BackgroundSyncError::PERMISSION_DENIED:
NOTREACHED();
break;
}
}
void PeriodicSyncManager::Trace(Visitor* visitor) {
visitor->Trace(registration_);
ScriptWrappable::Trace(visitor);
}
} // namespace blink
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