/*
 * Copyright (C) 2013 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,
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 */

#include "config.h"
#include "LocalFileSystemClient.h"

#include "WebFrameImpl.h"
#include "WebViewImpl.h"
#include "WorkerPermissionClient.h"
#include "core/dom/Document.h"
#include "core/workers/WorkerGlobalScope.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "public/web/WebPermissionClient.h"
#include "wtf/text/WTFString.h"

using namespace WebCore;

namespace blink {

PassOwnPtr<FileSystemClient> LocalFileSystemClient::create()
{
    return adoptPtr(static_cast<FileSystemClient*>(new LocalFileSystemClient()));
}

LocalFileSystemClient::~LocalFileSystemClient()
{
}

bool LocalFileSystemClient::allowFileSystem(ExecutionContext* context)
{
    if (context->isDocument()) {
        Document* document = toDocument(context);
        WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
        if (webFrame->permissionClient())
            return webFrame->permissionClient()->allowFileSystem(webFrame);
        blink::WebViewImpl* webView = webFrame->viewImpl();
        return !webView->permissionClient() || webView->permissionClient()->allowFileSystem(webFrame);
    }
    ASSERT(context->isWorkerGlobalScope());
    return WorkerPermissionClient::from(toWorkerGlobalScope(context))->allowFileSystem();
}

LocalFileSystemClient::LocalFileSystemClient()
{
}

} // namespace blink