18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "JSCallbackConstructor.h" 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 29d0825bca7fe65beaee391d30da42e937db621564Steve Block#include "APIShims.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "APICast.h" 31545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch#include <runtime/Error.h> 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <runtime/JSGlobalObject.h> 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <runtime/JSLock.h> 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <runtime/ObjectPrototype.h> 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/Vector.h> 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace JSC { 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 3981bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdochconst ClassInfo JSCallbackConstructor::s_info = { "CallbackConstructor", &JSObjectWithGlobalObject::s_info, 0, 0 }; 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 412daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochJSCallbackConstructor::JSCallbackConstructor(JSGlobalObject* globalObject, Structure* structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback) 42e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block : JSObjectWithGlobalObject(globalObject, structure) 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_class(jsClass) 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project , m_callback(callback) 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 4681bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch ASSERT(inherits(&s_info)); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (m_class) 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSClassRetain(jsClass); 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectJSCallbackConstructor::~JSCallbackConstructor() 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (m_class) 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSClassRelease(m_class); 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 57545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL constructJSCallback(ExecState* exec) 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 59545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch JSObject* constructor = exec->callee(); 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSContextRef ctx = toRef(exec); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSObjectRef constructorRef = toRef(constructor); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSObjectCallAsConstructorCallback callback = static_cast<JSCallbackConstructor*>(constructor)->callback(); 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (callback) { 65545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch int argumentCount = static_cast<int>(exec->argumentCount()); 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Vector<JSValueRef, 16> arguments(argumentCount); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (int i = 0; i < argumentCount; i++) 68545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch arguments[i] = toRef(exec, exec->argument(i)); 695f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian 705f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian JSValueRef exception = 0; 715f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian JSObjectRef result; 725f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian { 73d0825bca7fe65beaee391d30da42e937db621564Steve Block APICallbackShim callbackShim(exec); 745f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian result = callback(ctx, constructorRef, argumentCount, arguments.data(), &exception); 755f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian } 765f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian if (exception) 77545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch throwError(exec, toJS(exec, exception)); 78545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch return JSValue::encode(toJS(result)); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 81545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdoch return JSValue::encode(toJS(JSObjectMake(ctx, static_cast<JSCallbackConstructor*>(constructor)->classRef(), 0))); 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectConstructType JSCallbackConstructor::getConstructData(ConstructData& constructData) 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project constructData.native.function = constructJSCallback; 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return ConstructTypeHost; 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace JSC 91