1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef WebWorkerBase_h
32#define WebWorkerBase_h
33
34#include "WebCommonWorkerClient.h"
35#include "core/dom/ScriptExecutionContext.h"
36#include "core/workers/WorkerLoaderProxy.h"
37#include "core/workers/WorkerObjectProxy.h"
38#include "wtf/PassOwnPtr.h"
39#include "wtf/RefPtr.h"
40
41
42namespace WebKit {
43class WebView;
44
45// Base class for WebSharedWorkerImpl, WebWorkerClientImpl and (defunct) WebWorkerImpl
46// containing common interface for shared workers and dedicated in-proc workers implementation.
47//
48// FIXME: Rename this class into WebWorkerBase, merge existing WebWorkerBase and WebSharedWorker.
49class WebWorkerBase {
50public:
51    virtual WebCore::WorkerLoaderProxy* workerLoaderProxy() = 0;
52    virtual WebCommonWorkerClient* commonClient() = 0;
53    virtual WebView* view() const = 0;
54
55    // Executes the given task on the main thread.
56    static void dispatchTaskToMainThread(PassOwnPtr<WebCore::ScriptExecutionContext::Task>);
57};
58
59} // namespace WebKit
60
61#endif
62