1/* 2 * Copyright (C) 2007, 2008, 2009, 2011 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#include "config.h" 21#include "JSDocument.h" 22 23#include "ExceptionCode.h" 24#include "Frame.h" 25#include "FrameLoader.h" 26#include "HTMLDocument.h" 27#include "JSCanvasRenderingContext2D.h" 28#if ENABLE(WEBGL) 29#include "JSWebGLRenderingContext.h" 30#endif 31#include "JSDOMWindowCustom.h" 32#include "JSHTMLDocument.h" 33#include "JSLocation.h" 34#include "JSTouch.h" 35#include "JSTouchList.h" 36#include "Location.h" 37#include "NodeTraversal.h" 38#include "ScriptController.h" 39#include "TouchList.h" 40 41#if ENABLE(SVG) 42#include "JSSVGDocument.h" 43#include "SVGDocument.h" 44#endif 45 46#include <wtf/GetPtr.h> 47 48using namespace JSC; 49 50namespace WebCore { 51 52JSValue JSDocument::location(ExecState* exec) const 53{ 54 RefPtr<Frame> frame = impl()->frame(); 55 56 if (!frame) 57 return jsNull(); 58 59 RefPtr<Location> location = frame->document()->domWindow()->location(); 60 if (JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), location.get())) 61 return wrapper; 62 63 JSLocation* jsLocation = JSLocation::create(getDOMStructure<JSLocation>(exec, globalObject()), globalObject(), location.get()); 64 cacheWrapper(currentWorld(exec), location.get(), jsLocation); 65 return jsLocation; 66} 67 68void JSDocument::setLocation(ExecState* exec, JSValue value) 69{ 70 String locationString = value.toString(exec)->value(exec); 71 if (exec->hadException()) 72 return; 73 74 RefPtr<Frame> frame = impl()->frame(); 75 if (!frame) 76 return; 77 78 if (RefPtr<Location> location = frame->document()->domWindow()->location()) 79 location->setHref(locationString, activeDOMWindow(exec), firstDOMWindow(exec)); 80} 81 82JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, Document* document) 83{ 84 if (!document) 85 return jsNull(); 86 87 JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), document); 88 if (wrapper) 89 return wrapper; 90 91 if (DOMWindow* domWindow = document->domWindow()) { 92 globalObject = toJSDOMWindow(toJS(exec, domWindow)); 93 // Creating a wrapper for domWindow might have created a wrapper for document as well. 94 wrapper = getCachedWrapper(currentWorld(exec), document); 95 if (wrapper) 96 return wrapper; 97 } 98 99 if (document->isHTMLDocument()) 100 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, HTMLDocument, document); 101#if ENABLE(SVG) 102 else if (document->isSVGDocument()) 103 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, SVGDocument, document); 104#endif 105 else 106 wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Document, document); 107 108 // Make sure the document is kept around by the window object, and works right with the 109 // back/forward cache. 110 if (!document->frame()) { 111 size_t nodeCount = 0; 112 for (Node* n = document; n; n = NodeTraversal::next(n)) 113 nodeCount++; 114 115 exec->heap()->reportExtraMemoryCost(nodeCount * sizeof(Node)); 116 } 117 118 return wrapper; 119} 120 121#if ENABLE(TOUCH_EVENTS) 122JSValue JSDocument::createTouchList(ExecState* exec) 123{ 124 RefPtr<TouchList> touchList = TouchList::create(); 125 126 for (size_t i = 0; i < exec->argumentCount(); i++) 127 touchList->append(toTouch(exec->argument(i))); 128 129 return toJS(exec, globalObject(), touchList.release()); 130} 131#endif 132 133} // namespace WebCore 134