| /* |
| * 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()); |
| } |
| |
| 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; |
| } |