ServiceWorker: Implement ServiceWorkerRegistration.update() (1)

Source/modules/serviceworkers/ServiceWorkerRegistration.cpp

 // 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 "config.h"
 #include "ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 68 matching lines @@
 {
     if (registration && !registration->proxy())
         delete registration;
 }
 
 String ServiceWorkerRegistration::scope() const
 {
     return m_outerRegistration->scope().string();
 }
 
+void ServiceWorkerRegistration::update(ScriptState* scriptState, ExceptionState& exceptionState)
+{
+    if (!m_provider) {
+        exceptionState.throwDOMException(InvalidStateError, "Failed to update a ServiceWorkerRegistration: No associated provider is available.");
+        return;
+    }
+
+    RefPtr<SecurityOrigin> documentOrigin = scriptState->executionContext()->securityOrigin();
+    KURL scopeURL = scriptState->executionContext()->completeURL(scope());
+    scopeURL.removeFragmentIdentifier();
+    if (!scope().isEmpty() && !documentOrigin->canRequest(scopeURL)) {
+        RefPtr<SecurityOrigin> scopeOrigin = SecurityOrigin::create(scopeURL);
+        exceptionState.throwSecurityError("Failed to update a ServiceWorkerRegistration: The origin of the registration's scope ('" + scopeOrigin->toString() + "') does not match the current origin ('" + documentOrigin->toString() + "').");
+        return;
+    }
+
+    m_provider->updateServiceWorker(scopeURL);
+}
+
 ScriptPromise ServiceWorkerRegistration::unregister(ScriptState* scriptState)
 {
     RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     if (!m_provider) {
         resolver->reject(DOMException::create(InvalidStateError, "Failed to unregister a ServiceWorkerRegistration: No associated provider is available."));
         return promise;
     }
 
@@ skipping 62 matching lines @@
 
 void ServiceWorkerRegistration::stop()
 {
     if (m_stopped)
         return;
     m_stopped = true;
     m_outerRegistration->proxyStopped();
 }
 
 } // namespace blink