/*

 * 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

 * 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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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef WebScriptController_h

#define WebScriptController_h

#include "WebCommon.h"

namespace v8 {

class Extension;

}

namespace WebKit {

class WebString;

class WebScriptController {

public:

    // Registers a v8 extension to be available on webpages. The three forms

    // offer various restrictions on what types of contexts the extension is

    // loaded into. If a scheme is provided, only pages whose URL has the given

    // scheme will match. If extensionGroup is provided, the extension will only

    // be loaded into scripts run via WebFrame::ExecuteInNewWorld with the

    // matching group.

    // Will only affect v8 contexts initialized after this call. Takes ownership

    // of the v8::Extension object passed.

    WEBKIT_API static void registerExtension(v8::Extension*);

    WEBKIT_API static void registerExtension(v8::Extension*,

                                             const WebString& schemeRestriction);

    WEBKIT_API static void registerExtension(v8::Extension*, int extensionGroup);

    // Enables special settings which are only applicable if V8 is executed

    // in the single thread which must be the main thread.

    // FIXME: make a try to dynamically detect when this condition is broken

    // and automatically switch off single thread mode.

    WEBKIT_API static void enableV8SingleThreadMode();

    // Process any pending JavaScript console messages.

    WEBKIT_API static void flushConsoleMessages();

private:

    WebScriptController();

};

} // namespace WebKit

#endif