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| 1 /* | |
| 2 * Copyright (C) 2007 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 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 // Modified from Apple's version to not directly call any windows methods as | |
| 27 // they may not be available to us in the multiprocess | |
| 28 | |
| 29 #include "config.h" | |
| 30 #include "DragData.h" | |
| 31 | |
| 32 #include "ClipboardWin.h" | |
| 33 #include "ClipboardUtilitiesWin.h" | |
| 34 #include "DocumentFragment.h" | |
| 35 #include "KURL.h" | |
| 36 #include "PlatformString.h" | |
| 37 #include "Markup.h" | |
| 38 #include "WCDataObject.h" | |
| 39 | |
| 40 #undef LOG | |
| 41 #include "base/file_util.h" | |
| 42 #include "base/string_util.h" | |
| 43 #include "net/base/base64.h" | |
| 44 #include "webkit/glue/glue_util.h" | |
| 45 #include "webkit/glue/webdropdata.h" | |
| 46 #include "webkit/glue/webkit_glue.h" | |
| 47 | |
| 48 namespace { | |
| 49 | |
| 50 bool containsHTML(const WebDropData& drop_data) { | |
| 51 std::wstring html; | |
| 52 return drop_data.cf_html.length() > 0 | |
| 53 || drop_data.text_html.length() > 0; | |
| 54 } | |
| 55 | |
| 56 // Our DragDataRef is actually a WebDropData* instead of a IDataObject*. | |
| 57 // Provide a helper method for converting back. | |
| 58 WebDropData* dropData(DragDataRef dragData) { | |
| 59 return reinterpret_cast<WebDropData*>(dragData); | |
| 60 } | |
| 61 | |
| 62 } | |
| 63 | |
| 64 namespace WebCore { | |
| 65 | |
| 66 PassRefPtr<Clipboard> DragData::createClipboard(ClipboardAccessPolicy policy) co
nst | |
| 67 { | |
| 68 WCDataObject* data; | |
| 69 WCDataObject::createInstance(&data); | |
| 70 RefPtr<ClipboardWin> clipboard = ClipboardWin::create(true, data, policy); | |
| 71 // The clipboard keeps a reference to the WCDataObject, so we can release | |
| 72 // our reference to it. | |
| 73 data->Release(); | |
| 74 | |
| 75 return clipboard.release(); | |
| 76 } | |
| 77 | |
| 78 bool DragData::containsURL() const | |
| 79 { | |
| 80 return dropData(m_platformDragData)->url.is_valid(); | |
| 81 } | |
| 82 | |
| 83 String DragData::asURL(String* title) const | |
| 84 { | |
| 85 WebDropData* data = dropData(m_platformDragData); | |
| 86 if (!data->url.is_valid()) | |
| 87 return String(); | |
| 88 | |
| 89 // |title| can be NULL | |
| 90 if (title) | |
| 91 *title = webkit_glue::StdWStringToString(data->url_title); | |
| 92 return webkit_glue::StdStringToString(data->url.spec()); | |
| 93 } | |
| 94 | |
| 95 bool DragData::containsFiles() const | |
| 96 { | |
| 97 return !dropData(m_platformDragData)->filenames.empty(); | |
| 98 } | |
| 99 | |
| 100 void DragData::asFilenames(Vector<String>& result) const | |
| 101 { | |
| 102 WebDropData* data = dropData(m_platformDragData); | |
| 103 for (size_t i = 0; i < data->filenames.size(); ++i) { | |
| 104 result.append(webkit_glue::StdWStringToString(data->filenames[i])); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 bool DragData::containsPlainText() const | |
| 109 { | |
| 110 return !dropData(m_platformDragData)->plain_text.empty(); | |
| 111 } | |
| 112 | |
| 113 String DragData::asPlainText() const | |
| 114 { | |
| 115 return webkit_glue::StdWStringToString(dropData( | |
| 116 m_platformDragData)->plain_text); | |
| 117 } | |
| 118 | |
| 119 bool DragData::containsColor() const | |
| 120 { | |
| 121 return false; | |
| 122 } | |
| 123 | |
| 124 bool DragData::canSmartReplace() const | |
| 125 { | |
| 126 // Mimic the situations in which mac allows drag&drop to do a smart replace. | |
| 127 // This is allowed whenever the drag data contains a 'range' (ie., | |
| 128 // ClipboardWin::writeRange is called). For example, dragging a link | |
| 129 // should not result in a space being added. | |
| 130 WebDropData* data = dropData(m_platformDragData); | |
| 131 return !data->cf_html.empty() && !data->plain_text.empty() && | |
| 132 !data->url.is_valid(); | |
| 133 } | |
| 134 | |
| 135 bool DragData::containsCompatibleContent() const | |
| 136 { | |
| 137 return containsPlainText() || containsURL() | |
| 138 || ::containsHTML(*dropData(m_platformDragData)) | |
| 139 || containsColor(); | |
| 140 } | |
| 141 | |
| 142 PassRefPtr<DocumentFragment> DragData::asFragment(Document* doc) const | |
| 143 { | |
| 144 /* | |
| 145 * Order is richest format first. On OSX this is: | |
| 146 * * Web Archive | |
| 147 * * Filenames | |
| 148 * * HTML | |
| 149 * * RTF | |
| 150 * * TIFF | |
| 151 * * PICT | |
| 152 */ | |
| 153 | |
| 154 // TODO(tc): Disabled because containsFilenames is hardcoded to return | |
| 155 // false. We need to implement fragmentFromFilenames when this is | |
| 156 // re-enabled in Apple's win port. | |
| 157 //if (containsFilenames()) | |
| 158 // if (PassRefPtr<DocumentFragment> fragment = fragmentFromFilenames(doc
, m_platformDragData)) | |
| 159 // return fragment; | |
| 160 | |
| 161 WebDropData* data = dropData(m_platformDragData); | |
| 162 if (!data->cf_html.empty()) { | |
| 163 RefPtr<DocumentFragment> fragment = fragmentFromCF_HTML(doc, | |
| 164 webkit_glue::StdWStringToString(data->cf_html)); | |
| 165 return fragment; | |
| 166 } | |
| 167 | |
| 168 if (!data->text_html.empty()) { | |
| 169 String url; | |
| 170 RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc, | |
| 171 webkit_glue::StdWStringToString(data->text_html), url); | |
| 172 return fragment; | |
| 173 } | |
| 174 | |
| 175 return 0; | |
| 176 } | |
| 177 | |
| 178 Color DragData::asColor() const | |
| 179 { | |
| 180 return Color(); | |
| 181 } | |
| 182 | |
| 183 } | |
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