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/*
* 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
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebKit.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>
#include <wtf/text/AtomicString.h>
namespace WebKit {
// Make sure we are not re-initialized in the same address space.
// Doing so may cause hard to reproduce crashes.
static bool s_webKitInitialized = false;
static WebKitClient* s_webKitClient = 0;
static bool s_layoutTestMode = false;
void initialize(WebKitClient* webKitClient)
{
ASSERT(!s_webKitInitialized);
s_webKitInitialized = true;
ASSERT(webKitClient);
ASSERT(!s_webKitClient);
s_webKitClient = webKitClient;
WTF::initializeThreading();
WTF::initializeMainThread();
WTF::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;
}
bool areLayoutTestImagesOpaque()
{
return true;
}
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
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