/*

 * 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,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * 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.

 */

#include "config.h"

#include "WebKit.h"

#include "AtomicString.h"

#include "DOMTimer.h"

#include "Logging.h"

#include "Page.h"

#include "RuntimeEnabledFeatures.h"

#include "TextEncoding.h"

#include "WebMediaPlayerClientImpl.h"

#include "WebSocket.h"

#include "WorkerContextExecutionProxy.h"

#include <wtf/Assertions.h>

#include <wtf/Threading.h>

namespace WebKit {

static WebKitClient* s_webKitClient = 0;

static bool s_layoutTestMode = false;

void initialize(WebKitClient* webKitClient)

{

    ASSERT(webKitClient);

    ASSERT(!s_webKitClient);

    s_webKitClient = webKitClient;

    WTF::initializeThreading();

    WTF::initializeMainThread();

    WebCore::AtomicString::init();

    // Chromium sets the minimum interval timeout to 4ms, overriding the

    // default of 10ms.  We'd like to go lower, however there are poorly

    // coded websites out there which do create CPU-spinning loops.  Using

    // 4ms prevents the CPU from spinning too busily and provides a balance

    // between CPU spinning and the smallest possible interval timer.

    WebCore::DOMTimer::setMinTimerInterval(0.004);

    // There are some code paths (for example, running WebKit in the browser

    // process and calling into LocalStorage before anything else) where the

    // UTF8 string encoding tables are used on a background thread before

    // they're set up.  This is a problem because their set up routines assert

    // they're running on the main WebKitThread.  It might be possible to make

    // the initialization thread-safe, but given that so many code paths use

    // this, initializing this lazily probably doesn't buy us much.

    WebCore::UTF8Encoding();

}

void shutdown()

{

    s_webKitClient = 0;

}

WebKitClient* webKitClient()

{

    return s_webKitClient;

}

void setLayoutTestMode(bool value)

{

    s_layoutTestMode = value;

}

bool layoutTestMode()

{

    return s_layoutTestMode;

}

void enableLogChannel(const char* name)

{

    WTFLogChannel* channel = WebCore::getChannelFromName(name);

    if (channel)

        channel->state = WTFLogChannelOn;

}

void resetPluginCache(bool reloadPages)

{

    WebCore::Page::refreshPlugins(reloadPages);

}

} // namespace WebKit