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 "JSSVGDocument.h" 35#include "JSTouch.h" 36#include "JSTouchList.h" 37#include "Location.h" 38#include "NodeTraversal.h" 39#include "ScriptController.h" 40#include "SVGDocument.h" 41#include "TouchList.h" 42 43#include <wtf/GetPtr.h> 44 45using namespace JSC; 46 47namespace WebCore { 48 49JSValue JSDocument::location(ExecState* exec) const 50{ 51 RefPtr<Frame> frame = impl().frame(); 52 if (!frame) 53 return jsNull(); 54 55 RefPtr<Location> location = frame->document()->domWindow()->location(); 56 if (JSObject* wrapper = getCachedWrapper(globalObject()->world(), location.get())) 57 return wrapper; 58 59 JSLocation* jsLocation = JSLocation::create(getDOMStructure<JSLocation>(exec->vm(), globalObject()), globalObject(), location.get()); 60 cacheWrapper(globalObject()->world(), location.get(), jsLocation); 61 return jsLocation; 62} 63 64void JSDocument::setLocation(ExecState* exec, JSValue value) 65{ 66 String locationString = value.toString(exec)->value(exec); 67 if (exec->hadException()) 68 return; 69 70 RefPtr<Frame> frame = impl().frame(); 71 if (!frame) 72 return; 73 74 if (RefPtr<Location> location = frame->document()->domWindow()->location()) 75 location->setHref(locationString, activeDOMWindow(exec), firstDOMWindow(exec)); 76} 77 78JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, Document* document) 79{ 80 if (!document) 81 return jsNull(); 82 83 JSObject* wrapper = getCachedWrapper(globalObject->world(), document); 84 if (wrapper) 85 return wrapper; 86 87 if (DOMWindow* domWindow = document->domWindow()) { 88 globalObject = toJSDOMWindow(toJS(exec, domWindow)); 89 // Creating a wrapper for domWindow might have created a wrapper for document as well. 90 wrapper = getCachedWrapper(globalObject->world(), document); 91 if (wrapper) 92 return wrapper; 93 } 94 95 if (document->isHTMLDocument()) 96 wrapper = CREATE_DOM_WRAPPER(globalObject, HTMLDocument, document); 97 else if (document->isSVGDocument()) 98 wrapper = CREATE_DOM_WRAPPER(globalObject, SVGDocument, document); 99 else 100 wrapper = CREATE_DOM_WRAPPER(globalObject, Document, document); 101 102 // Make sure the document is kept around by the window object, and works right with the 103 // back/forward cache. 104 if (!document->frame()) { 105 size_t nodeCount = 0; 106 for (Node* n = document; n; n = NodeTraversal::next(n)) 107 nodeCount++; 108 109 exec->heap()->reportExtraMemoryCost(nodeCount * sizeof(Node)); 110 } 111 112 return wrapper; 113} 114 115#if ENABLE(TOUCH_EVENTS) 116JSValue JSDocument::createTouchList(ExecState* exec) 117{ 118 RefPtr<TouchList> touchList = TouchList::create(); 119 120 for (size_t i = 0; i < exec->argumentCount(); i++) 121 touchList->append(toTouch(exec->argument(i))); 122 123 return toJS(exec, globalObject(), touchList.release()); 124} 125#endif 126 127} // namespace WebCore 128