Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"

#include "V8WorkerGlobalScope.h"

#include "bindings/v8/ScheduledAction.h"
#include "bindings/v8/V8Binding.h"
#include "bindings/v8/V8Utilities.h"
#include "bindings/v8/V8WorkerGlobalScopeEventListener.h"
#include "bindings/v8/WorkerScriptController.h"
#include "core/dom/ExceptionCode.h"
#include "core/inspector/ScriptCallStack.h"
#include "core/page/ContentSecurityPolicy.h"
#include "core/page/DOMTimer.h"
#include "core/workers/WorkerGlobalScope.h"
#include "modules/websockets/WebSocket.h"

namespace WebCore {

void SetTimeoutOrInterval(const v8::FunctionCallbackInfo<v8::Value>& args, bool singleShot)
{
    WorkerGlobalScope* workerGlobalScope = V8WorkerGlobalScope::toNative(args.Holder());

    int argumentCount = args.Length();
    if (argumentCount < 1)
        return;

    v8::Handle<v8::Value> function = args[0];
    int32_t timeout = argumentCount >= 2 ? args[1]->Int32Value() : 0;
    int timerId;

    WorkerScriptController* script = workerGlobalScope->script();
    if (!script)
        return;

    v8::Handle<v8::Context> v8Context = script->context();
    if (function->IsString()) {
        if (ContentSecurityPolicy* policy = workerGlobalScope->contentSecurityPolicy()) {
            if (!policy->allowEval()) {
                v8SetReturnValue(args, 0);
                return;
            }
        }
        WTF::String stringFunction = toWebCoreString(function);
        timerId = DOMTimer::install(workerGlobalScope, adoptPtr(new ScheduledAction(v8Context, stringFunction, workerGlobalScope->url(), args.GetIsolate())), timeout, singleShot);
    } else if (function->IsFunction()) {
        size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0;
        v8::Local<v8::Value>* params = 0;
        if (paramCount > 0) {
            params = new v8::Local<v8::Value>[paramCount];
            for (size_t i = 0; i < paramCount; ++i)
                params[i] = args[i+2];
        }
        // ScheduledAction takes ownership of actual params and releases them in its destructor.
        OwnPtr<ScheduledAction> action = adoptPtr(new ScheduledAction(v8Context, v8::Handle<v8::Function>::Cast(function), paramCount, params, args.GetIsolate()));
        // FIXME: We should use a OwnArrayPtr for params.
        delete [] params;
        timerId = DOMTimer::install(workerGlobalScope, action.release(), timeout, singleShot);
    } else
        return;

    v8SetReturnValue(args, timerId);
}

void V8WorkerGlobalScope::importScriptsMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    if (!args.Length())
        return;

    Vector<String> urls;
    for (int i = 0; i < args.Length(); i++) {
        V8TRYCATCH_VOID(v8::Handle<v8::String>, scriptUrl, args[i]->ToString());
        if (scriptUrl.IsEmpty())
            return;
        urls.append(toWebCoreString(scriptUrl));
    }

    WorkerGlobalScope* workerGlobalScope = V8WorkerGlobalScope::toNative(args.Holder());

    ExceptionCode ec = 0;
    workerGlobalScope->importScripts(urls, ec);

    if (!ec)
        return;
    setDOMException(ec, args.GetIsolate());
}

void V8WorkerGlobalScope::setTimeoutMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    return SetTimeoutOrInterval(args, true);
}

void V8WorkerGlobalScope::setIntervalMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
{
    return SetTimeoutOrInterval(args, false);
}

v8::Handle<v8::Value> toV8(WorkerGlobalScope* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    // Notice that we explicitly ignore creationContext because the WorkerGlobalScope is its own creationContext.

    if (!impl)
        return v8NullWithCheck(isolate);

    WorkerScriptController* script = impl->script();
    if (!script)
        return v8NullWithCheck(isolate);

    v8::Handle<v8::Object> global = script->context()->Global();
    ASSERT(!global.IsEmpty());
    return global;
}

v8::Handle<v8::Value> toV8ForMainWorld(WorkerGlobalScope* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
    return toV8(impl, creationContext, isolate);
}

} // namespace WebCore