1 /* 2 * Copyright (C) 2007-2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "V8Clipboard.h" 33 34 #include "Clipboard.h" 35 #include "HTMLImageElement.h" 36 #include "HTMLNames.h" 37 #include "IntPoint.h" 38 #include "Node.h" 39 #include "Element.h" 40 41 #include "V8Binding.h" 42 #include "V8Node.h" 43 #include "V8Proxy.h" 44 45 namespace WebCore { 46 47 v8::Handle<v8::Value> V8Clipboard::typesAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info) 48 { 49 INC_STATS("DOM.Clipboard.types()"); 50 Clipboard* clipboard = V8Clipboard::toNative(info.Holder()); 51 52 HashSet<String> types = clipboard->types(); 53 if (types.isEmpty()) 54 return v8::Null(); 55 56 v8::Local<v8::Array> result = v8::Array::New(types.size()); 57 HashSet<String>::const_iterator end = types.end(); 58 int index = 0; 59 for (HashSet<String>::const_iterator it = types.begin(); it != end; ++it, ++index) 60 result->Set(v8::Integer::New(index), v8String(*it)); 61 62 return result; 63 } 64 65 v8::Handle<v8::Value> V8Clipboard::clearDataCallback(const v8::Arguments& args) 66 { 67 INC_STATS("DOM.Clipboard.clearData()"); 68 Clipboard* clipboard = V8Clipboard::toNative(args.Holder()); 69 70 if (!args.Length()) { 71 clipboard->clearAllData(); 72 return v8::Undefined(); 73 } 74 75 if (args.Length() != 1) 76 return throwError("clearData: Invalid number of arguments", V8Proxy::SyntaxError); 77 78 String type = toWebCoreString(args[0]); 79 clipboard->clearData(type); 80 return v8::Undefined(); 81 } 82 83 v8::Handle<v8::Value> V8Clipboard::getDataCallback(const v8::Arguments& args) 84 { 85 INC_STATS("DOM.Clipboard.getData()"); 86 Clipboard* clipboard = V8Clipboard::toNative(args.Holder()); 87 88 if (args.Length() != 1) 89 return throwError("getData: Invalid number of arguments", V8Proxy::SyntaxError); 90 91 bool success; 92 String result = clipboard->getData(toWebCoreString(args[0]), success); 93 if (success) 94 return v8String(result); 95 96 return v8::Undefined(); 97 } 98 99 v8::Handle<v8::Value> V8Clipboard::setDragImageCallback(const v8::Arguments& args) 100 { 101 INC_STATS("DOM.Clipboard.setDragImage()"); 102 Clipboard* clipboard = V8Clipboard::toNative(args.Holder()); 103 104 if (!clipboard->isForDragAndDrop()) 105 return v8::Undefined(); 106 107 if (args.Length() != 3) 108 return throwError("setDragImage: Invalid number of arguments", V8Proxy::SyntaxError); 109 110 int x = toInt32(args[1]); 111 int y = toInt32(args[2]); 112 113 Node* node = 0; 114 if (V8Node::HasInstance(args[0])) 115 node = V8Node::toNative(v8::Handle<v8::Object>::Cast(args[0])); 116 117 if (!node || !node->isElementNode()) 118 return throwError("setDragImageFromElement: Invalid first argument"); 119 120 if (static_cast<Element*>(node)->hasLocalName(HTMLNames::imgTag) && !node->inDocument()) 121 clipboard->setDragImage(static_cast<HTMLImageElement*>(node)->cachedImage(), IntPoint(x, y)); 122 else 123 clipboard->setDragImageElement(node, IntPoint(x, y)); 124 125 return v8::Undefined(); 126 } 127 128 } // namespace WebCore 129
