blob: 268101a6c0f06b3b0f1720df95055eb403733648 [file] [log] [blame]
/*
* Copyright (C) 2009, 2015 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "WebKitDLL.h"
#include "WebScriptWorld.h"
#include <JavaScriptCore/APICast.h>
#include <WebCore/JSDOMBinding.h>
#include <WebCore/ScriptController.h>
using namespace WebCore;
typedef HashMap<DOMWrapperWorld*, WebScriptWorld*> WorldMap;
static WorldMap& allWorlds()
{
static WorldMap& map = *new WorldMap;
return map;
}
inline WebScriptWorld::WebScriptWorld(RefPtr<DOMWrapperWorld>&& world)
: m_world(WTFMove(world))
{
ASSERT_ARG(world, m_world);
ASSERT_ARG(world, !allWorlds().contains(m_world.get()));
allWorlds().add(m_world.get(), this);
++gClassCount;
gClassNameCount().add("WebScriptWorld");
}
WebScriptWorld::~WebScriptWorld()
{
ASSERT(allWorlds().contains(m_world.get()));
allWorlds().remove(m_world.get());
--gClassCount;
gClassNameCount().remove("WebScriptWorld");
}
WebScriptWorld* WebScriptWorld::standardWorld()
{
static WebScriptWorld* standardWorld = createInstance(&mainThreadNormalWorld()).leakRef();
return standardWorld;
}
COMPtr<WebScriptWorld> WebScriptWorld::createInstance()
{
return createInstance(ScriptController::createWorld("WebScriptWorld"_s, WebCore::ScriptController::WorldType::User));
}
COMPtr<WebScriptWorld> WebScriptWorld::createInstance(RefPtr<DOMWrapperWorld>&& world)
{
return new WebScriptWorld(WTFMove(world));
}
COMPtr<WebScriptWorld> WebScriptWorld::findOrCreateWorld(DOMWrapperWorld& world)
{
if (&world == &mainThreadNormalWorld())
return standardWorld();
if (WebScriptWorld* existingWorld = allWorlds().get(&world))
return existingWorld;
return createInstance(&world);
}
ULONG WebScriptWorld::AddRef()
{
return ++m_refCount;
}
ULONG WebScriptWorld::Release()
{
ULONG newRefCount = --m_refCount;
if (!newRefCount)
delete this;
return newRefCount;
}
HRESULT WebScriptWorld::QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject)
{
if (!ppvObject)
return E_POINTER;
*ppvObject = nullptr;
if (IsEqualIID(riid, __uuidof(WebScriptWorld)))
*ppvObject = this;
else if (IsEqualIID(riid, __uuidof(IWebScriptWorld)))
*ppvObject = static_cast<IWebScriptWorld*>(this);
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = static_cast<IUnknown*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
HRESULT WebScriptWorld::standardWorld(_COM_Outptr_opt_ IWebScriptWorld** outWorld)
{
if (!outWorld)
return E_POINTER;
*outWorld = standardWorld();
(*outWorld)->AddRef();
return S_OK;
}
HRESULT WebScriptWorld::scriptWorldForGlobalContext(JSGlobalContextRef context, IWebScriptWorld** outWorld)
{
if (!context)
return E_POINTER;
if (!outWorld)
return E_POINTER;
return findOrCreateWorld(currentWorld(*toJS(context))).copyRefTo(outWorld);
}
HRESULT WebScriptWorld::unregisterWorld()
{
m_world->clearWrappers();
return S_OK;
}