Source/modules/websockets/WebSocketChannel.cpp

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#include "config.h"

#include "modules/websockets/WebSocketChannel.h"

#include "bindings/v8/ScriptCallStackFactory.h"
#include "core/dom/Document.h"
#include "core/dom/ExecutionContext.h"
#include "core/inspector/ScriptCallStack.h"
#include "core/page/Settings.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerRunLoop.h"
#include "core/workers/WorkerThread.h"
#include "modules/websockets/MainThreadWebSocketChannel.h"
#include "modules/websockets/ThreadableWebSocketChannelClientWrapper.h"
#include "modules/websockets/WebSocketChannelClient.h"
#include "modules/websockets/WorkerThreadableWebSocketChannel.h"

namespace WebCore {

static const char webSocketChannelMode[] = "webSocketChannelMode";

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

    String sourceURL;
    unsigned lineNumber = 0;
    RefPtr<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);
        WorkerRunLoop& runLoop = workerGlobalScope->thread()->runLoop();
        String mode = webSocketChannelMode;
        mode.append(String::number(runLoop.createUniqueId()));
        return WorkerThreadableWebSocketChannel::create(workerGlobalScope, client, mode, sourceURL, lineNumber);
    }

    Document* document = toDocument(context);
    Settings* settings = document->settings();
    if (settings && settings->experimentalWebSocketEnabled()) {
        // FIXME: Create and return an "experimental" WebSocketChannel instead of a MainThreadWebSocketChannel.
        return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
    }
    return MainThreadWebSocketChannel::create(document, client, sourceURL, lineNumber);
}

} // namespace WebCore