| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "core/clipboard/DataObjectItem.h" |
| |
| #include "core/clipboard/Pasteboard.h" |
| #include "core/fileapi/Blob.h" |
| #include "platform/clipboard/ClipboardMimeTypes.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebClipboard.h" |
| |
| namespace WebCore { |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromString(const String& type, const String& data) |
| { |
| RefPtrWillBeRawPtr<DataObjectItem> item = adoptRefWillBeNoop(new DataObjectItem(StringKind, type)); |
| item->m_data = data; |
| return item.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromFile(PassRefPtrWillBeRawPtr<File> file) |
| { |
| RefPtrWillBeRawPtr<DataObjectItem> item = adoptRefWillBeNoop(new DataObjectItem(FileKind, file->type())); |
| item->m_file = file; |
| return item.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromURL(const String& url, const String& title) |
| { |
| RefPtrWillBeRawPtr<DataObjectItem> item = adoptRefWillBeNoop(new DataObjectItem(StringKind, mimeTypeTextURIList)); |
| item->m_data = url; |
| item->m_title = title; |
| return item.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromHTML(const String& html, const KURL& baseURL) |
| { |
| RefPtrWillBeRawPtr<DataObjectItem> item = adoptRefWillBeNoop(new DataObjectItem(StringKind, mimeTypeTextHTML)); |
| item->m_data = html; |
| item->m_baseURL = baseURL; |
| return item.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromSharedBuffer(const String& name, PassRefPtr<SharedBuffer> buffer) |
| { |
| RefPtrWillBeRawPtr<DataObjectItem> item = adoptRefWillBeNoop(new DataObjectItem(FileKind, String())); |
| item->m_sharedBuffer = buffer; |
| item->m_title = name; |
| return item.release(); |
| } |
| |
| PassRefPtrWillBeRawPtr<DataObjectItem> DataObjectItem::createFromPasteboard(const String& type, uint64_t sequenceNumber) |
| { |
| if (type == mimeTypeImagePng) |
| return adoptRefWillBeNoop(new DataObjectItem(FileKind, type, sequenceNumber)); |
| return adoptRefWillBeNoop(new DataObjectItem(StringKind, type, sequenceNumber)); |
| } |
| |
| DataObjectItem::DataObjectItem(Kind kind, const String& type) |
| : m_source(InternalSource) |
| , m_kind(kind) |
| , m_type(type) |
| , m_sequenceNumber(0) |
| { |
| } |
| |
| DataObjectItem::DataObjectItem(Kind kind, const String& type, uint64_t sequenceNumber) |
| : m_source(PasteboardSource) |
| , m_kind(kind) |
| , m_type(type) |
| , m_sequenceNumber(sequenceNumber) |
| { |
| } |
| |
| PassRefPtrWillBeRawPtr<Blob> DataObjectItem::getAsFile() const |
| { |
| if (kind() != FileKind) |
| return nullptr; |
| |
| if (m_source == InternalSource) { |
| if (m_file) |
| return m_file.get(); |
| ASSERT(m_sharedBuffer); |
| // FIXME: This code is currently impossible--we never populate m_sharedBuffer when dragging |
| // in. At some point though, we may need to support correctly converting a shared buffer |
| // into a file. |
| return nullptr; |
| } |
| |
| ASSERT(m_source == PasteboardSource); |
| if (type() == mimeTypeImagePng) { |
| // FIXME: This is pretty inefficient. We copy the data from the browser |
| // to the renderer. We then place it in a blob in WebKit, which |
| // registers it and copies it *back* to the browser. When a consumer |
| // wants to read the data, we then copy the data back into the renderer. |
| // https://bugs.webkit.org/show_bug.cgi?id=58107 has been filed to track |
| // improvements to this code (in particular, add a registerClipboardBlob |
| // method to the blob registry; that way the data is only copied over |
| // into the renderer when it's actually read, not when the blob is |
| // initially constructed). |
| RefPtr<SharedBuffer> data = static_cast<PassRefPtr<SharedBuffer> >(blink::Platform::current()->clipboard()->readImage(blink::WebClipboard::BufferStandard)); |
| RefPtr<RawData> rawData = RawData::create(); |
| rawData->mutableData()->append(data->data(), data->size()); |
| OwnPtr<BlobData> blobData = BlobData::create(); |
| blobData->appendData(rawData, 0, -1); |
| blobData->setContentType(mimeTypeImagePng); |
| return Blob::create(BlobDataHandle::create(blobData.release(), data->size())); |
| } |
| |
| return nullptr; |
| } |
| |
| String DataObjectItem::getAsString() const |
| { |
| ASSERT(m_kind == StringKind); |
| |
| if (m_source == InternalSource) |
| return m_data; |
| |
| ASSERT(m_source == PasteboardSource); |
| |
| blink::WebClipboard::Buffer buffer = Pasteboard::generalPasteboard()->buffer(); |
| String data; |
| // This is ugly but there's no real alternative. |
| if (m_type == mimeTypeTextPlain) { |
| data = blink::Platform::current()->clipboard()->readPlainText(buffer); |
| } else if (m_type == mimeTypeTextHTML) { |
| blink::WebURL ignoredSourceURL; |
| unsigned ignored; |
| data = blink::Platform::current()->clipboard()->readHTML(buffer, &ignoredSourceURL, &ignored, &ignored); |
| } else { |
| data = blink::Platform::current()->clipboard()->readCustomData(buffer, m_type); |
| } |
| |
| return blink::Platform::current()->clipboard()->sequenceNumber(buffer) == m_sequenceNumber ? data : String(); |
| } |
| |
| bool DataObjectItem::isFilename() const |
| { |
| // FIXME: https://bugs.webkit.org/show_bug.cgi?id=81261: When we properly support File dragout, |
| // we'll need to make sure this works as expected for DragDataChromium. |
| return m_kind == FileKind && m_file; |
| } |
| |
| void DataObjectItem::trace(Visitor* visitor) |
| { |
| visitor->trace(m_file); |
| } |
| |
| } // namespace WebCore |
| |