Move Clipboard-related code from core/dom to core/clipboard

Source/core/dom/DataObjectItem.cpp

Index: Source/core/dom/DataObjectItem.cpp
diff --git a/Source/core/dom/DataObjectItem.cpp b/Source/core/dom/DataObjectItem.cpp
deleted file mode 100644
index 29a1e01a348dcf80765f35351254a4008f881a65..0000000000000000000000000000000000000000
--- a/Source/core/dom/DataObjectItem.cpp
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * 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/dom/DataObjectItem.h"
-
-#include "core/dom/Pasteboard.h"
-#include "core/fileapi/Blob.h"
-#include "platform/clipboard/ClipboardMimeTypes.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebClipboard.h"
-
-namespace WebCore {
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromString(const String& type, const String& data)
-{
-    RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, type));
-    item->m_data = data;
-    return item.release();
-}
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromFile(PassRefPtr<File> file)
-{
-    RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(FileKind, file->type()));
-    item->m_file = file;
-    return item.release();
-}
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromURL(const String& url, const String& title)
-{
-    RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, mimeTypeTextURIList));
-    item->m_data = url;
-    item->m_title = title;
-    return item.release();
-}
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromHTML(const String& html, const KURL& baseURL)
-{
-    RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(StringKind, mimeTypeTextHTML));
-    item->m_data = html;
-    item->m_baseURL = baseURL;
-    return item.release();
-}
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromSharedBuffer(const String& name, PassRefPtr<SharedBuffer> buffer)
-{
-    RefPtr<DataObjectItem> item = adoptRef(new DataObjectItem(FileKind, String()));
-    item->m_sharedBuffer = buffer;
-    item->m_title = name;
-    return item.release();
-}
-
-PassRefPtr<DataObjectItem> DataObjectItem::createFromPasteboard(const String& type, uint64_t sequenceNumber)
-{
-    if (type == mimeTypeImagePng)
-        return adoptRef(new DataObjectItem(FileKind, type, sequenceNumber));
-    return adoptRef(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)
-{
-}
-
-PassRefPtr<Blob> DataObjectItem::getAsFile() const
-{
-    if (kind() != FileKind)
-        return 0;
-
-    if (m_source == InternalSource) {
-        if (m_file)
-            return m_file;
-        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 0;
-    }
-
-    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 0;
-}
-
-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;
-}
-
-} // namespace WebCore
-