public/web/WebSharedWorkerClient.h

/*
 * Copyright (C) 2009 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
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * 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
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 */

#ifndef WebSharedWorkerClient_h
#define WebSharedWorkerClient_h

#include "../platform/WebMessagePortChannel.h"

namespace blink {

class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebNotificationPresenter;
class WebSecurityOrigin;
class WebString;
class WebWorker;
class WebWorkerPermissionClientProxy;

// Provides an interface back to the in-page script object for a worker.
// All functions are expected to be called back on the thread that created
// the Worker object, unless noted.
class WebSharedWorkerClient {
public:
    virtual void workerContextClosed() = 0;
    virtual void workerContextDestroyed() = 0;
    virtual void workerReadyForInspection() { }
    virtual void workerScriptLoaded() = 0;
    virtual void workerScriptLoadFailed() = 0;
    virtual void selectAppCacheID(long long) = 0;

    // Returns the notification presenter for this worker context. Pointer
    // is owned by the object implementing WebSharedWorkerClient.
    virtual WebNotificationPresenter* notificationPresenter() = 0;

    // Called on the main webkit thread in the worker process during
    // initialization.
    virtual WebApplicationCacheHost* createApplicationCacheHost(WebApplicationCacheHostClient*) = 0;

    // Called on the main webkit thread in the worker process during
    // initialization.
    // WebWorkerPermissionClientProxy should not retain the given
    // WebSecurityOrigin, as the proxy instance is passed to worker thread
    // while WebSecurityOrigin is not thread safe.
    virtual WebWorkerPermissionClientProxy* createWorkerPermissionClientProxy(const WebSecurityOrigin&) { return 0; }

    virtual void dispatchDevToolsMessage(const WebString&) { }
    virtual void saveDevToolsAgentState(const WebString&) { }
};

} // namespace blink

#endif