1 /*
2 * Copyright (c) 2008, 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 "Pasteboard.h"
33
34 #include "ChromiumBridge.h"
35 #include "ClipboardUtilitiesChromium.h"
36 #include "DocumentFragment.h"
37 #include "Document.h"
38 #include "Element.h"
39 #include "Frame.h"
40 #include "HTMLNames.h"
41 #include "Image.h"
42 #include "KURL.h"
43 #include "markup.h"
44 #include "NativeImageSkia.h"
45 #include "Range.h"
46 #include "RenderImage.h"
47
48 #if ENABLE(SVG)
49 #include "SVGNames.h"
50 #include "XLinkNames.h"
51 #endif
52
53 namespace WebCore {
54
generalPasteboard()55 Pasteboard* Pasteboard::generalPasteboard()
56 {
57 static Pasteboard* pasteboard = new Pasteboard;
58 return pasteboard;
59 }
60
Pasteboard()61 Pasteboard::Pasteboard()
62 {
63 }
64
clear()65 void Pasteboard::clear()
66 {
67 // The ScopedClipboardWriter class takes care of clearing the clipboard's
68 // previous contents.
69 }
70
writeSelection(Range * selectedRange,bool canSmartCopyOrDelete,Frame * frame)71 void Pasteboard::writeSelection(Range* selectedRange, bool canSmartCopyOrDelete, Frame* frame)
72 {
73 String html = createMarkup(selectedRange, 0, AnnotateForInterchange);
74 #if PLATFORM(DARWIN)
75 html = String("<meta charset='utf-8'>") + html;
76 #endif
77 ExceptionCode ec = 0;
78 KURL url = selectedRange->startContainer(ec)->document()->url();
79 String plainText = frame->selectedText();
80 #if PLATFORM(WIN_OS)
81 replaceNewlinesWithWindowsStyleNewlines(plainText);
82 #endif
83 replaceNBSPWithSpace(plainText);
84
85 ChromiumBridge::clipboardWriteSelection(html, url, plainText, canSmartCopyOrDelete);
86 }
87
writeURL(const KURL & url,const String & titleStr,Frame * frame)88 void Pasteboard::writeURL(const KURL& url, const String& titleStr, Frame* frame)
89 {
90 ASSERT(!url.isEmpty());
91
92 String title(titleStr);
93 if (title.isEmpty()) {
94 title = url.lastPathComponent();
95 if (title.isEmpty())
96 title = url.host();
97 }
98
99 ChromiumBridge::clipboardWriteURL(url, title);
100 }
101
writeImage(Node * node,const KURL &,const String & title)102 void Pasteboard::writeImage(Node* node, const KURL&, const String& title)
103 {
104 ASSERT(node);
105 ASSERT(node->renderer());
106 ASSERT(node->renderer()->isImage());
107 RenderImage* renderer = toRenderImage(node->renderer());
108 CachedImage* cachedImage = renderer->cachedImage();
109 ASSERT(cachedImage);
110 Image* image = cachedImage->image();
111 ASSERT(image);
112
113 // If the image is wrapped in a link, |url| points to the target of the
114 // link. This isn't useful to us, so get the actual image URL.
115 AtomicString urlString;
116 if (node->hasTagName(HTMLNames::imgTag) || node->hasTagName(HTMLNames::inputTag))
117 urlString = static_cast<Element*>(node)->getAttribute(HTMLNames::srcAttr);
118 #if ENABLE(SVG)
119 else if (node->hasTagName(SVGNames::imageTag))
120 urlString = static_cast<Element*>(node)->getAttribute(XLinkNames::hrefAttr);
121 #endif
122 else if (node->hasTagName(HTMLNames::embedTag) || node->hasTagName(HTMLNames::objectTag)) {
123 Element* element = static_cast<Element*>(node);
124 urlString = element->getAttribute(element->imageSourceAttributeName());
125 }
126 KURL url = urlString.isEmpty() ? KURL() : node->document()->completeURL(deprecatedParseURL(urlString));
127
128 NativeImageSkia* bitmap = 0;
129 #if !PLATFORM(CG)
130 bitmap = image->nativeImageForCurrentFrame();
131 #endif
132 ChromiumBridge::clipboardWriteImage(bitmap, url, title);
133 }
134
canSmartReplace()135 bool Pasteboard::canSmartReplace()
136 {
137 return ChromiumBridge::clipboardIsFormatAvailable(
138 PasteboardPrivate::WebSmartPasteFormat);
139 }
140
plainText(Frame * frame)141 String Pasteboard::plainText(Frame* frame)
142 {
143 return ChromiumBridge::clipboardReadPlainText();
144 }
145
documentFragment(Frame * frame,PassRefPtr<Range> context,bool allowPlainText,bool & chosePlainText)146 PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context, bool allowPlainText, bool& chosePlainText)
147 {
148 chosePlainText = false;
149
150 if (ChromiumBridge::clipboardIsFormatAvailable(PasteboardPrivate::HTMLFormat)) {
151 String markup;
152 KURL srcURL;
153 ChromiumBridge::clipboardReadHTML(&markup, &srcURL);
154
155 RefPtr<DocumentFragment> fragment =
156 createFragmentFromMarkup(frame->document(), markup, srcURL);
157 if (fragment)
158 return fragment.release();
159 }
160
161 if (allowPlainText) {
162 String markup = ChromiumBridge::clipboardReadPlainText();
163 if (!markup.isEmpty()) {
164 chosePlainText = true;
165
166 RefPtr<DocumentFragment> fragment =
167 createFragmentFromText(context.get(), markup);
168 if (fragment)
169 return fragment.release();
170 }
171 }
172
173 return 0;
174 }
175
176 } // namespace WebCore
177