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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* 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
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "web/SharedWorkerRepositoryClientImpl.h"
#include "bindings/v8/ExceptionMessages.h"
#include "bindings/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/ExecutionContext.h"
#include "core/events/Event.h"
#include "core/frame/csp/ContentSecurityPolicy.h"
#include "core/inspector/InspectorInstrumentation.h"
#include "core/workers/SharedWorker.h"
#include "core/workers/WorkerScriptLoader.h"
#include "core/workers/WorkerScriptLoaderClient.h"
#include "platform/network/ResourceResponse.h"
#include "public/platform/WebMessagePortChannel.h"
#include "public/platform/WebString.h"
#include "public/platform/WebURL.h"
#include "public/web/WebContentSecurityPolicy.h"
#include "public/web/WebFrameClient.h"
#include "public/web/WebKit.h"
#include "public/web/WebSharedWorker.h"
#include "public/web/WebSharedWorkerRepositoryClient.h"
#include "web/WebLocalFrameImpl.h"
using namespace WebCore;
namespace blink {
// Callback class that keeps the SharedWorker and WebSharedWorker objects alive while connecting.
class SharedWorkerConnector : private WebSharedWorkerConnector::ConnectListener {
public:
SharedWorkerConnector(PassRefPtrWillBeRawPtr<SharedWorker> worker, const KURL& url, const String& name, PassOwnPtr<WebMessagePortChannel> channel, PassOwnPtr<WebSharedWorkerConnector> webWorkerConnector)
: m_worker(worker)
, m_url(url)
, m_name(name)
, m_webWorkerConnector(webWorkerConnector)
, m_channel(channel) { }
virtual ~SharedWorkerConnector();
void connect();
private:
// WebSharedWorkerConnector::ConnectListener overrides.
virtual void connected() OVERRIDE;
virtual void scriptLoadFailed() OVERRIDE;
RefPtrWillBePersistent<SharedWorker> m_worker;
KURL m_url;
String m_name;
OwnPtr<WebSharedWorkerConnector> m_webWorkerConnector;
OwnPtr<WebMessagePortChannel> m_channel;
};
SharedWorkerConnector::~SharedWorkerConnector()
{
m_worker->unsetPreventGC();
}
void SharedWorkerConnector::connect()
{
m_worker->setPreventGC();
m_webWorkerConnector->connect(m_channel.leakPtr(), this);
}
void SharedWorkerConnector::connected()
{
// Free ourselves (this releases the SharedWorker so it can be freed as well if unreferenced).
delete this;
}
void SharedWorkerConnector::scriptLoadFailed()
{
m_worker->dispatchEvent(Event::createCancelable(EventTypeNames::error));
// Free ourselves (this releases the SharedWorker so it can be freed as well if unreferenced).
delete this;
}
static WebSharedWorkerRepositoryClient::DocumentID getId(void* document)
{
ASSERT(document);
return reinterpret_cast<WebSharedWorkerRepositoryClient::DocumentID>(document);
}
void SharedWorkerRepositoryClientImpl::connect(PassRefPtrWillBeRawPtr<SharedWorker> worker, PassOwnPtr<WebMessagePortChannel> port, const KURL& url, const String& name, ExceptionState& exceptionState)
{
ASSERT(m_client);
// No nested workers (for now) - connect() should only be called from document context.
ASSERT(worker->executionContext()->isDocument());
Document* document = toDocument(worker->executionContext());
OwnPtr<WebSharedWorkerConnector> webWorkerConnector = adoptPtr(m_client->createSharedWorkerConnector(url, name, getId(document), worker->executionContext()->contentSecurityPolicy()->deprecatedHeader(), static_cast<blink::WebContentSecurityPolicyType>(worker->executionContext()->contentSecurityPolicy()->deprecatedHeaderType())));
if (!webWorkerConnector) {
// Existing worker does not match this url, so return an error back to the caller.
exceptionState.throwDOMException(URLMismatchError, "The location of the SharedWorker named '" + name + "' does not exactly match the provided URL ('" + url.elidedString() + "').");
return;
}
// The connector object manages its own lifecycle (and the lifecycles of the two worker objects).
// It will free itself once connecting is completed.
SharedWorkerConnector* connector = new SharedWorkerConnector(worker, url, name, port, webWorkerConnector.release());
connector->connect();
}
void SharedWorkerRepositoryClientImpl::documentDetached(Document* document)
{
ASSERT(m_client);
m_client->documentDetached(getId(document));
}
SharedWorkerRepositoryClientImpl::SharedWorkerRepositoryClientImpl(WebSharedWorkerRepositoryClient* client)
: m_client(client)
{
}
} // namespace blink
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