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

Source/core/dom/DataObject.cpp

-/*
- * Copyright (c) 2008, 2009, 2012 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/DataObject.h"
-
-#include "core/dom/Pasteboard.h"
-#include "platform/clipboard/ClipboardMimeTypes.h"
-#include "platform/clipboard/ClipboardUtilities.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebClipboard.h"
-
-namespace WebCore {
-
-PassRefPtr<DataObject> DataObject::createFromPasteboard(PasteMode pasteMode)
-{
-    RefPtr<DataObject> dataObject = create();
-    blink::WebClipboard::Buffer buffer = Pasteboard::generalPasteboard()->buffer();
-    uint64_t sequenceNumber = blink::Platform::current()->clipboard()->sequenceNumber(buffer);
-    bool ignored;
-    blink::WebVector<blink::WebString> webTypes = blink::Platform::current()->clipboard()->readAvailableTypes(buffer, &ignored);
-    ListHashSet<String> types;
-    for (size_t i = 0; i < webTypes.size(); ++i)
-        types.add(webTypes[i]);
-    for (ListHashSet<String>::const_iterator it = types.begin(); it != types.end(); ++it) {
-        if (pasteMode == PlainTextOnly && *it != mimeTypeTextPlain)
-            continue;
-        dataObject->m_itemList.append(DataObjectItem::createFromPasteboard(*it, sequenceNumber));
-    }
-    return dataObject.release();
-}
-
-PassRefPtr<DataObject> DataObject::create()
-{
-    return adoptRef(new DataObject());
-}
-
-PassRefPtr<DataObject> DataObject::copy() const
-{
-    return adoptRef(new DataObject(*this));
-}
-
-size_t DataObject::length() const
-{
-    return m_itemList.size();
-}
-
-PassRefPtr<DataObjectItem> DataObject::item(unsigned long index)
-{
-    if (index >= length())
-        return 0;
-    return m_itemList[index];
-}
-
-void DataObject::deleteItem(unsigned long index)
-{
-    if (index >= length())
-        return;
-    m_itemList.remove(index);
-}
-
-void DataObject::clearAll()
-{
-    m_itemList.clear();
-}
-
-PassRefPtr<DataObjectItem> DataObject::add(const String& data, const String& type)
-{
-    RefPtr<DataObjectItem> item = DataObjectItem::createFromString(type, data);
-    if (!internalAddStringItem(item))
-        return 0;
-    return item;
-}
-
-PassRefPtr<DataObjectItem> DataObject::add(PassRefPtr<File> file)
-{
-    if (!file)
-        return 0;
-
-    RefPtr<DataObjectItem> item = DataObjectItem::createFromFile(file);
-    m_itemList.append(item);
-    return item;
-}
-
-void DataObject::clearData(const String& type)
-{
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        if (m_itemList[i]->kind() == DataObjectItem::StringKind && m_itemList[i]->type() == type) {
-            // Per the spec, type must be unique among all items of kind 'string'.
-            m_itemList.remove(i);
-            return;
-        }
-    }
-}
-
-void DataObject::clearAllExceptFiles()
-{
-    for (size_t i = 0; i < m_itemList.size(); ) {
-        if (m_itemList[i]->kind() != DataObjectItem::FileKind) {
-            m_itemList.remove(i);
-            continue;
-        }
-        ++i;
-    }
-}
-
-ListHashSet<String> DataObject::types() const
-{
-    ListHashSet<String> results;
-    bool containsFiles = false;
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        switch (m_itemList[i]->kind()) {
-        case DataObjectItem::StringKind:
-            results.add(m_itemList[i]->type());
-            break;
-        case DataObjectItem::FileKind:
-            containsFiles = true;
-            break;
-        }
-    }
-    if (containsFiles)
-        results.add(mimeTypeFiles);
-    return results;
-}
-
-String DataObject::getData(const String& type) const
-{
-    for (size_t i = 0; i < m_itemList.size(); ++i)  {
-        if (m_itemList[i]->kind() == DataObjectItem::StringKind && m_itemList[i]->type() == type)
-            return m_itemList[i]->getAsString();
-    }
-    return String();
-}
-
-bool DataObject::setData(const String& type, const String& data)
-{
-    clearData(type);
-    if (!add(data, type))
-        ASSERT_NOT_REACHED();
-    return true;
-}
-
-void DataObject::urlAndTitle(String& url, String* title) const
-{
-    RefPtr<DataObjectItem> item = findStringItem(mimeTypeTextURIList);
-    if (!item)
-        return;
-    url = convertURIListToURL(item->getAsString());
-    if (title)
-        *title = item->title();
-}
-
-void DataObject::setURLAndTitle(const String& url, const String& title)
-{
-    clearData(mimeTypeTextURIList);
-    internalAddStringItem(DataObjectItem::createFromURL(url, title));
-}
-
-void DataObject::htmlAndBaseURL(String& html, KURL& baseURL) const
-{
-    RefPtr<DataObjectItem> item = findStringItem(mimeTypeTextHTML);
-    if (!item)
-        return;
-    html = item->getAsString();
-    baseURL = item->baseURL();
-}
-
-void DataObject::setHTMLAndBaseURL(const String& html, const KURL& baseURL)
-{
-    clearData(mimeTypeTextHTML);
-    internalAddStringItem(DataObjectItem::createFromHTML(html, baseURL));
-}
-
-bool DataObject::containsFilenames() const
-{
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        if (m_itemList[i]->isFilename())
-            return true;
-    }
-    return false;
-}
-
-Vector<String> DataObject::filenames() const
-{
-    Vector<String> results;
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        if (m_itemList[i]->isFilename())
-            results.append(static_cast<File*>(m_itemList[i]->getAsFile().get())->path());
-    }
-    return results;
-}
-
-void DataObject::addFilename(const String& filename, const String& displayName)
-{
-    internalAddFileItem(DataObjectItem::createFromFile(File::createWithName(filename, displayName, File::AllContentTypes)));
-}
-
-void DataObject::addSharedBuffer(const String& name, PassRefPtr<SharedBuffer> buffer)
-{
-    internalAddFileItem(DataObjectItem::createFromSharedBuffer(name, buffer));
-}
-
-DataObject::DataObject()
-    : m_modifierKeyState(0)
-{
-}
-
-DataObject::DataObject(const DataObject& other)
-    : RefCounted<DataObject>()
-    , m_itemList(other.m_itemList)
-    , m_modifierKeyState(0)
-{
-}
-
-PassRefPtr<DataObjectItem> DataObject::findStringItem(const String& type) const
-{
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        if (m_itemList[i]->kind() == DataObjectItem::StringKind && m_itemList[i]->type() == type)
-            return m_itemList[i];
-    }
-    return 0;
-}
-
-bool DataObject::internalAddStringItem(PassRefPtr<DataObjectItem> item)
-{
-    ASSERT(item->kind() == DataObjectItem::StringKind);
-    for (size_t i = 0; i < m_itemList.size(); ++i) {
-        if (m_itemList[i]->kind() == DataObjectItem::StringKind && m_itemList[i]->type() == item->type())
-            return false;
-    }
-
-    m_itemList.append(item);
-    return true;
-}
-
-void DataObject::internalAddFileItem(PassRefPtr<DataObjectItem> item)
-{
-    ASSERT(item->kind() == DataObjectItem::FileKind);
-    m_itemList.append(item);
-}
-
-} // namespace WebCore