1 /*
2 * Copyright (C) 2008 Apple 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
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "JSClipboard.h"
31
32 #include "Clipboard.h"
33 #include "Element.h"
34 #include "HTMLImageElement.h"
35 #include "HTMLNames.h"
36 #include "IntPoint.h"
37 #include "JSNode.h"
38 #include "Node.h"
39 #include "PlatformString.h"
40 #include <runtime/ArrayPrototype.h>
41 #include <runtime/Error.h>
42 #include <wtf/HashSet.h>
43 #include <wtf/text/StringHash.h>
44
45 using namespace JSC;
46
47 namespace WebCore {
48
49 using namespace HTMLNames;
50
types(ExecState * exec) const51 JSValue JSClipboard::types(ExecState* exec) const
52 {
53 Clipboard* clipboard = impl();
54
55 HashSet<String> types = clipboard->types();
56 if (types.isEmpty())
57 return jsNull();
58
59 MarkedArgumentBuffer list;
60 HashSet<String>::const_iterator end = types.end();
61 for (HashSet<String>::const_iterator it = types.begin(); it != end; ++it)
62 list.append(jsString(exec, stringToUString(*it)));
63 return constructArray(exec, globalObject(), list);
64 }
65
clearData(ExecState * exec)66 JSValue JSClipboard::clearData(ExecState* exec)
67 {
68 Clipboard* clipboard = impl();
69
70 if (!exec->argumentCount()) {
71 clipboard->clearAllData();
72 return jsUndefined();
73 }
74
75 if (exec->argumentCount() == 1) {
76 clipboard->clearData(ustringToString(exec->argument(0).toString(exec)));
77 return jsUndefined();
78 }
79
80 // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
81 return throwError(exec, createSyntaxError(exec, "clearData: Invalid number of arguments"));
82 }
83
getData(ExecState * exec)84 JSValue JSClipboard::getData(ExecState* exec)
85 {
86 // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
87 if (exec->argumentCount() != 1)
88 return throwError(exec, createSyntaxError(exec, "getData: Invalid number of arguments"));
89
90 Clipboard* clipboard = impl();
91
92 bool success;
93 String result = clipboard->getData(ustringToString(exec->argument(0).toString(exec)), success);
94 if (!success)
95 return jsUndefined();
96
97 return jsString(exec, result);
98 }
99
setDragImage(ExecState * exec)100 JSValue JSClipboard::setDragImage(ExecState* exec)
101 {
102 Clipboard* clipboard = impl();
103
104 if (!clipboard->isForDragAndDrop())
105 return jsUndefined();
106
107 // FIXME: It does not match the rest of the JS bindings to throw on invalid number of arguments.
108 if (exec->argumentCount() != 3)
109 return throwError(exec, createSyntaxError(exec, "setDragImage: Invalid number of arguments"));
110
111 int x = exec->argument(1).toInt32(exec);
112 int y = exec->argument(2).toInt32(exec);
113
114 // See if they passed us a node
115 Node* node = toNode(exec->argument(0));
116 if (!node)
117 return throwTypeError(exec);
118
119 // FIXME: This should probably be a TypeError.
120 if (!node->isElementNode())
121 return throwError(exec, createSyntaxError(exec, "setDragImageFromElement: Invalid first argument"));
122
123 if (static_cast<Element*>(node)->hasLocalName(imgTag) && !node->inDocument())
124 clipboard->setDragImage(static_cast<HTMLImageElement*>(node)->cachedImage(), IntPoint(x, y));
125 else
126 clipboard->setDragImageElement(node, IntPoint(x, y));
127
128 return jsUndefined();
129 }
130
131 } // namespace WebCore
132