xref: /external/chromium_org/third_party/WebKit/Source/modules/websockets/WebSocketChannel.cpp

/*
 * Copyright (C) 2009, 2012 Google Inc.  All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"

#include "modules/websockets/WebSocketChannel.h"

#include "bindings/core/v8/ScriptCallStackFactory.h"
#include "core/dom/Document.h"
#include "core/dom/ExecutionContext.h"
#include "core/inspector/ScriptCallStack.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerThread.h"
#include "modules/websockets/MainThreadWebSocketChannel.h"
#include "modules/websockets/NewWebSocketChannelImpl.h"
#include "modules/websockets/WebSocketChannelClient.h"
#include "modules/websockets/WorkerThreadableWebSocketChannel.h"
#include "platform/RuntimeEnabledFeatures.h"

namespace blink {

WebSocketChannel* WebSocketChannel::create(ExecutionContext* context, WebSocketChannelClient* client)
{
    ASSERT(context);
    ASSERT(client);

    String sourceURL;
    unsigned lineNumber = 0;
    RefPtrWillBeRawPtr<ScriptCallStack> callStack = createScriptCallStack(1, true);
    if (callStack && callStack->size()) {
        sourceURL = callStack->at(0).sourceURL();
        lineNumber = callStack->at(0).lineNumber();
    }

    if (context->isWorkerGlobalScope()) {
        WorkerGlobalScope* workerGlobalScope = toWorkerGlobalScope(context);
        return WorkerThreadableWebSocketChannel::create(*workerGlobalScope, client, sourceURL, lineNumber);
    }

    Document* document = toDocument(context);
    if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
        return NewWebSocketChannelImpl::create(document, client, sourceURL, lineNumber);
    }
    return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
}

} // namespace blink