root/Source/modules/serviceworkers/ServiceWorkerContainer.cpp

DEFINITIONS

1. create
2. detachClient
3. registerServiceWorker
4. unregisterServiceWorker

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "modules/serviceworkers/ServiceWorkerContainer.h"

#include "RuntimeEnabledFeatures.h"
#include "bindings/v8/CallbackPromiseAdapter.h"
#include "bindings/v8/ScriptPromiseResolver.h"
#include "core/dom/ExecutionContext.h"
#include "modules/serviceworkers/RegistrationOptionList.h"
#include "modules/serviceworkers/ServiceWorker.h"
#include "modules/serviceworkers/ServiceWorkerContainerClient.h"
#include "modules/serviceworkers/ServiceWorkerError.h"
#include "public/platform/WebServiceWorkerProvider.h"
#include "public/platform/WebString.h"
#include "public/platform/WebURL.h"

using blink::WebServiceWorkerProvider;

namespace WebCore {

PassRefPtr<ServiceWorkerContainer> ServiceWorkerContainer::create(ExecutionContext* executionContext)
{
    return adoptRef(new ServiceWorkerContainer(executionContext));
}

ServiceWorkerContainer::~ServiceWorkerContainer()
{
}

void ServiceWorkerContainer::detachClient()
{
    if (m_provider) {
        m_provider->setClient(0);
        m_provider = 0;
    }
}

ScriptPromise ServiceWorkerContainer::registerServiceWorker(ExecutionContext* executionContext, const String& url, const Dictionary& dictionary)
{
    RegistrationOptionList options(dictionary);
    ASSERT(RuntimeEnabledFeatures::serviceWorkerEnabled());
    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(executionContext);
    ScriptPromise promise = resolver->promise();

    if (!m_provider) {
        resolver->reject(DOMError::create(InvalidStateError, "No associated provider is available"));
        return promise;
    }

    RefPtr<SecurityOrigin> documentOrigin = executionContext->securityOrigin();
    KURL patternURL = executionContext->completeURL(options.scope);
    if (!documentOrigin->canRequest(patternURL)) {
        resolver->reject(DOMError::create(SecurityError, "Can only register for patterns in the document's origin."));
        return promise;
    }

    KURL scriptURL = executionContext->completeURL(url);
    if (!documentOrigin->canRequest(scriptURL)) {
        resolver->reject(DOMError::create(SecurityError, "Script must be in document's origin."));
        return promise;
    }

    m_provider->registerServiceWorker(patternURL, scriptURL, new CallbackPromiseAdapter<ServiceWorker, ServiceWorkerError>(resolver, executionContext));
    return promise;
}

ScriptPromise ServiceWorkerContainer::unregisterServiceWorker(ExecutionContext* executionContext, const String& pattern)
{
    ASSERT(RuntimeEnabledFeatures::serviceWorkerEnabled());
    RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(executionContext);
    ScriptPromise promise = resolver->promise();

    if (!m_provider) {
        resolver->reject(DOMError::create(InvalidStateError, "No associated provider is available"));
        return promise;
    }

    RefPtr<SecurityOrigin> documentOrigin = executionContext->securityOrigin();
    KURL patternURL = executionContext->completeURL(pattern);
    if (!pattern.isEmpty() && !documentOrigin->canRequest(patternURL)) {
        resolver->reject(DOMError::create(SecurityError, "Can only unregister for patterns in the document's origin."));
        return promise;
    }

    m_provider->unregisterServiceWorker(patternURL, new CallbackPromiseAdapter<ServiceWorker, ServiceWorkerError>(resolver, executionContext));
    return promise;
}

ServiceWorkerContainer::ServiceWorkerContainer(ExecutionContext* executionContext)
    : m_provider(0)
{
    ScriptWrappable::init(this);

    if (!executionContext)
        return;

    if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
        m_provider = client->provider();
        if (m_provider)
            m_provider->setClient(this);
    }
}

} // namespace WebCore