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| 1 /* | |
| 2 * Copyright (C) 2011 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 "core/dom/DataObjectItem.h" | |
| 33 | |
| 34 #include "core/dom/Pasteboard.h" | |
| 35 #include "core/fileapi/Blob.h" | |
| 36 #include "platform/clipboard/ClipboardMimeTypes.h" | |
| 37 #include "public/platform/Platform.h" | |
| 38 #include "public/platform/WebClipboard.h" | |
| 39 | |
| 40 namespace WebCore { | |
| 41 | |
| 42 PassRefPtr<DataObjectItem> DataObjectItem::createFromString(const String& type,
const String& data) | |
| 43 { | |
| 44 RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, type))
; | |
| 45 item->m_data = data; | |
| 46 return item.release(); | |
| 47 } | |
| 48 | |
| 49 PassRefPtr<DataObjectItem> DataObjectItem::createFromFile(PassRefPtr<File> file) | |
| 50 { | |
| 51 RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(FileKind, file->ty
pe())); | |
| 52 item->m_file = file; | |
| 53 return item.release(); | |
| 54 } | |
| 55 | |
| 56 PassRefPtr<DataObjectItem> DataObjectItem::createFromURL(const String& url, cons
t String& title) | |
| 57 { | |
| 58 RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, mimeTy
peTextURIList)); | |
| 59 item->m_data = url; | |
| 60 item->m_title = title; | |
| 61 return item.release(); | |
| 62 } | |
| 63 | |
| 64 PassRefPtr<DataObjectItem> DataObjectItem::createFromHTML(const String& html, co
nst KURL& baseURL) | |
| 65 { | |
| 66 RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, mimeTy
peTextHTML)); | |
| 67 item->m_data = html; | |
| 68 item->m_baseURL = baseURL; | |
| 69 return item.release(); | |
| 70 } | |
| 71 | |
| 72 PassRefPtr<DataObjectItem> DataObjectItem::createFromSharedBuffer(const String&
name, PassRefPtr<SharedBuffer> buffer) | |
| 73 { | |
| 74 RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(FileKind, String()
)); | |
| 75 item->m_sharedBuffer = buffer; | |
| 76 item->m_title = name; | |
| 77 return item.release(); | |
| 78 } | |
| 79 | |
| 80 PassRefPtr<DataObjectItem> DataObjectItem::createFromPasteboard(const String& ty
pe, uint64_t sequenceNumber) | |
| 81 { | |
| 82 if (type == mimeTypeImagePng) | |
| 83 return adoptRef(new DataObjectItem(FileKind, type, sequenceNumber)); | |
| 84 return adoptRef(new DataObjectItem(StringKind, type, sequenceNumber)); | |
| 85 } | |
| 86 | |
| 87 DataObjectItem::DataObjectItem(Kind kind, const String& type) | |
| 88 : m_source(InternalSource) | |
| 89 , m_kind(kind) | |
| 90 , m_type(type) | |
| 91 , m_sequenceNumber(0) | |
| 92 { | |
| 93 } | |
| 94 | |
| 95 DataObjectItem::DataObjectItem(Kind kind, const String& type, uint64_t sequenceN
umber) | |
| 96 : m_source(PasteboardSource) | |
| 97 , m_kind(kind) | |
| 98 , m_type(type) | |
| 99 , m_sequenceNumber(sequenceNumber) | |
| 100 { | |
| 101 } | |
| 102 | |
| 103 PassRefPtr<Blob> DataObjectItem::getAsFile() const | |
| 104 { | |
| 105 if (kind() != FileKind) | |
| 106 return 0; | |
| 107 | |
| 108 if (m_source == InternalSource) { | |
| 109 if (m_file) | |
| 110 return m_file; | |
| 111 ASSERT(m_sharedBuffer); | |
| 112 // FIXME: This code is currently impossible--we never populate m_sharedB
uffer when dragging | |
| 113 // in. At some point though, we may need to support correctly converting
a shared buffer | |
| 114 // into a file. | |
| 115 return 0; | |
| 116 } | |
| 117 | |
| 118 ASSERT(m_source == PasteboardSource); | |
| 119 if (type() == mimeTypeImagePng) { | |
| 120 // FIXME: This is pretty inefficient. We copy the data from the browser | |
| 121 // to the renderer. We then place it in a blob in WebKit, which | |
| 122 // registers it and copies it *back* to the browser. When a consumer | |
| 123 // wants to read the data, we then copy the data back into the renderer. | |
| 124 // https://bugs.webkit.org/show_bug.cgi?id=58107 has been filed to track | |
| 125 // improvements to this code (in particular, add a registerClipboardBlob | |
| 126 // method to the blob registry; that way the data is only copied over | |
| 127 // into the renderer when it's actually read, not when the blob is | |
| 128 // initially constructed). | |
| 129 RefPtr<SharedBuffer> data = static_cast<PassRefPtr<SharedBuffer> >(blink
::Platform::current()->clipboard()->readImage(blink::WebClipboard::BufferStandar
d)); | |
| 130 RefPtr<RawData> rawData = RawData::create(); | |
| 131 rawData->mutableData()->append(data->data(), data->size()); | |
| 132 OwnPtr<BlobData> blobData = BlobData::create(); | |
| 133 blobData->appendData(rawData, 0, -1); | |
| 134 blobData->setContentType(mimeTypeImagePng); | |
| 135 return Blob::create(BlobDataHandle::create(blobData.release(), data->siz
e())); | |
| 136 } | |
| 137 | |
| 138 return 0; | |
| 139 } | |
| 140 | |
| 141 String DataObjectItem::getAsString() const | |
| 142 { | |
| 143 ASSERT(m_kind == StringKind); | |
| 144 | |
| 145 if (m_source == InternalSource) | |
| 146 return m_data; | |
| 147 | |
| 148 ASSERT(m_source == PasteboardSource); | |
| 149 | |
| 150 blink::WebClipboard::Buffer buffer = Pasteboard::generalPasteboard()->buffer
(); | |
| 151 String data; | |
| 152 // This is ugly but there's no real alternative. | |
| 153 if (m_type == mimeTypeTextPlain) { | |
| 154 data = blink::Platform::current()->clipboard()->readPlainText(buffer); | |
| 155 } else if (m_type == mimeTypeTextHTML) { | |
| 156 blink::WebURL ignoredSourceURL; | |
| 157 unsigned ignored; | |
| 158 data = blink::Platform::current()->clipboard()->readHTML(buffer, &ignore
dSourceURL, &ignored, &ignored); | |
| 159 } else { | |
| 160 data = blink::Platform::current()->clipboard()->readCustomData(buffer, m
_type); | |
| 161 } | |
| 162 | |
| 163 return blink::Platform::current()->clipboard()->sequenceNumber(buffer) == m_
sequenceNumber ? data : String(); | |
| 164 } | |
| 165 | |
| 166 bool DataObjectItem::isFilename() const | |
| 167 { | |
| 168 // FIXME: https://bugs.webkit.org/show_bug.cgi?id=81261: When we properly su
pport File dragout, | |
| 169 // we'll need to make sure this works as expected for DragDataChromium. | |
| 170 return m_kind == FileKind && m_file; | |
| 171 } | |
| 172 | |
| 173 } // namespace WebCore | |
| 174 | |
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Chromium Code Reviews
Issue 153343003:
Move Clipboard-related code from core/dom to core/clipboard (Closed)
Base URL: svn://svn.chromium.org/blink/trunk