[Background Sync] Converting Blink code to the MVP API

Source/modules/background_sync/PeriodicSyncRegistration.cpp

Index: Source/modules/background_sync/PeriodicSyncRegistration.cpp
diff --git a/Source/modules/background_sync/PeriodicSyncRegistration.cpp b/Source/modules/background_sync/PeriodicSyncRegistration.cpp
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index 0000000000000000000000000000000000000000..5d7937c44d5af79b8b153d389326daf200cc72ce
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+++ b/Source/modules/background_sync/PeriodicSyncRegistration.cpp
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+// Copyright 2015 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 "config.h"
+#include "modules/background_sync/PeriodicSyncRegistration.h"
+
+#include "bindings/core/v8/CallbackPromiseAdapter.h"
+#include "bindings/core/v8/ScriptPromiseResolver.h"
+#include "core/dom/DOMException.h"
+#include "core/dom/ExceptionCode.h"
+#include "modules/background_sync/PeriodicSyncRegistrationOptions.h"
+#include "modules/background_sync/SyncCallbacks.h"
+#include "modules/background_sync/SyncError.h"
+#include "modules/serviceworkers/ServiceWorkerRegistration.h"
+#include "public/platform/Platform.h"
+#include "public/platform/modules/background_sync/WebSyncProvider.h"
+#include "public/platform/modules/background_sync/WebSyncRegistration.h"
+#include "wtf/OwnPtr.h"
+
+namespace blink {
+
+PeriodicSyncRegistration* PeriodicSyncRegistration::take(ScriptPromiseResolver*, WebSyncRegistration* syncRegistration, ServiceWorkerRegistration* serviceWorkerRegistration)
+{
+    OwnPtr<WebSyncRegistration> registration = adoptPtr(syncRegistration);
+    PeriodicSyncRegistrationOptions options = PeriodicSyncRegistrationOptions();
+    options.setMinPeriod(syncRegistration->minPeriodMs);
+    switch (syncRegistration->networkState) {
+    case WebSyncRegistration::NetworkState::NetworkStateAny:
+        options.setNetworkState("any");
+        break;
+    case WebSyncRegistration::NetworkState::NetworkStateAvoidCellular:
+        options.setNetworkState("avoid-cellular");
+        break;
+    case WebSyncRegistration::NetworkState::NetworkStateOnline:
+        options.setNetworkState("online");
+        break;
+    }
+    switch (syncRegistration->powerState) {
+    case WebSyncRegistration::PowerState::PowerStateAuto:
+        options.setPowerState("auto");
+        break;
+    case WebSyncRegistration::PowerState::PowerStateAvoidDraining:
+        options.setPowerState("avoid-draining");
+        break;
+    }
+    options.setTag(syncRegistration->tag);
+    return new PeriodicSyncRegistration(syncRegistration->id, options, serviceWorkerRegistration);
+}
+
+void PeriodicSyncRegistration::dispose(WebSyncRegistration* syncRegistration)
+{
+    if (syncRegistration)
+        delete syncRegistration;
+}
+
+PeriodicSyncRegistration::PeriodicSyncRegistration(int64_t id, const PeriodicSyncRegistrationOptions& options, ServiceWorkerRegistration* serviceWorkerRegistration)
+    : m_id(id)
+    , m_minPeriod(options.minPeriod())
+    , m_networkState(options.networkState())
+    , m_powerState(options.powerState())
+    , m_tag(options.tag())
+    , m_serviceWorkerRegistration(serviceWorkerRegistration)
+{
+}
+
+PeriodicSyncRegistration::~PeriodicSyncRegistration()
+{
+}
+
+ScriptPromise PeriodicSyncRegistration::unregister(ScriptState* scriptState)
+{
+    if (m_id == WebSyncRegistration::UNREGISTERED_SYNC_ID)
+        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(AbortError, "Operation failed - not a valid registration object"));
+
+    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromise promise = resolver->promise();
+
+    WebSyncProvider* webSyncProvider = Platform::current()->backgroundSyncProvider();
+    ASSERT(webSyncProvider);
+
+    webSyncProvider->unregisterBackgroundSync(WebSyncRegistration::PeriodicityPeriodic, m_id, m_tag, m_serviceWorkerRegistration->webRegistration(), new SyncUnregistrationCallbacks(resolver, m_serviceWorkerRegistration));
+
+    return promise;
+}
+
+DEFINE_TRACE(PeriodicSyncRegistration)
+{
+    visitor->trace(m_serviceWorkerRegistration);
+}
+
+} // namespace blink