| /* |
| * 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 "core/clipboard/DataObject.h" |
| |
| #include "core/clipboard/DraggedIsolatedFileSystem.h" |
| #include "core/clipboard/Pasteboard.h" |
| #include "platform/clipboard/ClipboardMimeTypes.h" |
| #include "platform/clipboard/ClipboardUtilities.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebClipboard.h" |
| #include "public/platform/WebDragData.h" |
| #include "wtf/HashSet.h" |
| |
| namespace blink { |
| |
| DataObject* DataObject::createFromPasteboard(PasteMode pasteMode) |
| { |
| DataObject* dataObject = create(); |
| #if ENABLE(ASSERT) |
| HashSet<String> typesSeen; |
| #endif |
| WebClipboard::Buffer buffer = Pasteboard::generalPasteboard()->buffer(); |
| uint64_t sequenceNumber = Platform::current()->clipboard()->sequenceNumber(buffer); |
| bool ignored; |
| WebVector<WebString> webTypes = Platform::current()->clipboard()->readAvailableTypes(buffer, &ignored); |
| for (const WebString& type : webTypes) { |
| if (pasteMode == PlainTextOnly && type != mimeTypeTextPlain) |
| continue; |
| dataObject->m_itemList.append(DataObjectItem::createFromPasteboard(type, sequenceNumber)); |
| ASSERT(typesSeen.add(type).isNewEntry); |
| } |
| return dataObject; |
| } |
| |
| DataObject* DataObject::create() |
| { |
| return new DataObject; |
| } |
| |
| DataObject::~DataObject() |
| { |
| } |
| |
| size_t DataObject::length() const |
| { |
| return m_itemList.size(); |
| } |
| |
| DataObjectItem* DataObject::item(unsigned long index) |
| { |
| if (index >= length()) |
| return nullptr; |
| return m_itemList[index]; |
| } |
| |
| void DataObject::deleteItem(unsigned long index) |
| { |
| if (index >= length()) |
| return; |
| m_itemList.remove(index); |
| } |
| |
| void DataObject::clearAll() |
| { |
| m_itemList.clear(); |
| } |
| |
| DataObjectItem* DataObject::add(const String& data, const String& type) |
| { |
| DataObjectItem* item = DataObjectItem::createFromString(type, data); |
| if (!internalAddStringItem(item)) |
| return nullptr; |
| return item; |
| } |
| |
| DataObjectItem* DataObject::add(File* file) |
| { |
| if (!file) |
| return nullptr; |
| |
| 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; |
| } |
| } |
| } |
| |
| Vector<String> DataObject::types() const |
| { |
| Vector<String> results; |
| #if ENABLE(ASSERT) |
| HashSet<String> typesSeen; |
| #endif |
| bool containsFiles = false; |
| for (const auto& item : m_itemList) { |
| switch (item->kind()) { |
| case DataObjectItem::StringKind: |
| // Per the spec, type must be unique among all items of kind 'string'. |
| results.append(item->type()); |
| ASSERT(typesSeen.add(item->type()).isNewEntry); |
| break; |
| case DataObjectItem::FileKind: |
| containsFiles = true; |
| break; |
| } |
| } |
| if (containsFiles) { |
| results.append(mimeTypeFiles); |
| ASSERT(typesSeen.add(mimeTypeFiles).isNewEntry); |
| } |
| 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(); |
| } |
| |
| void DataObject::setData(const String& type, const String& data) |
| { |
| clearData(type); |
| if (!add(data, type)) |
| ASSERT_NOT_REACHED(); |
| } |
| |
| void DataObject::urlAndTitle(String& url, String* title) const |
| { |
| 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 |
| { |
| 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(toFile(m_itemList[i]->getAsFile())->path()); |
| } |
| return results; |
| } |
| |
| void DataObject::addFilename(const String& filename, const String& displayName) |
| { |
| internalAddFileItem(DataObjectItem::createFromFile(File::createForUserProvidedFile(filename, displayName))); |
| } |
| |
| void DataObject::addSharedBuffer(const String& name, PassRefPtr<SharedBuffer> buffer) |
| { |
| internalAddFileItem(DataObjectItem::createFromSharedBuffer(name, buffer)); |
| } |
| |
| DataObject::DataObject() |
| : m_modifiers(0) |
| { |
| } |
| |
| 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 nullptr; |
| } |
| |
| bool DataObject::internalAddStringItem(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(DataObjectItem* item) |
| { |
| ASSERT(item->kind() == DataObjectItem::FileKind); |
| m_itemList.append(item); |
| } |
| |
| DEFINE_TRACE(DataObject) |
| { |
| visitor->trace(m_itemList); |
| Supplementable<DataObject>::trace(visitor); |
| } |
| |
| DataObject* DataObject::create(WebDragData data) |
| { |
| DataObject* dataObject = create(); |
| |
| WebVector<WebDragData::Item> items = data.items(); |
| for (unsigned i = 0; i < items.size(); ++i) { |
| WebDragData::Item item = items[i]; |
| |
| switch (item.storageType) { |
| case WebDragData::Item::StorageTypeString: |
| if (String(item.stringType) == mimeTypeTextURIList) |
| dataObject->setURLAndTitle(item.stringData, item.title); |
| else if (String(item.stringType) == mimeTypeTextHTML) |
| dataObject->setHTMLAndBaseURL(item.stringData, item.baseURL); |
| else |
| dataObject->setData(item.stringType, item.stringData); |
| break; |
| case WebDragData::Item::StorageTypeFilename: |
| dataObject->addFilename(item.filenameData, item.displayNameData); |
| break; |
| case WebDragData::Item::StorageTypeBinaryData: |
| // This should never happen when dragging in. |
| break; |
| case WebDragData::Item::StorageTypeFileSystemFile: |
| { |
| // FIXME: The file system URL may refer a user visible file, see http://crbug.com/429077 |
| FileMetadata fileMetadata; |
| fileMetadata.length = item.fileSystemFileSize; |
| dataObject->add(File::createForFileSystemFile(item.fileSystemURL, fileMetadata, File::IsNotUserVisible)); |
| } |
| break; |
| } |
| } |
| |
| if (!data.filesystemId().isNull()) |
| DraggedIsolatedFileSystem::prepareForDataObject(dataObject, data.filesystemId()); |
| return dataObject; |
| } |
| |
| WebDragData DataObject::toWebDragData() |
| { |
| WebDragData data; |
| data.initialize(); |
| data.setModifierKeyState(m_modifiers); |
| WebVector<WebDragData::Item> itemList(length()); |
| |
| for (size_t i = 0; i < length(); ++i) { |
| DataObjectItem* originalItem = item(i); |
| WebDragData::Item item; |
| if (originalItem->kind() == DataObjectItem::StringKind) { |
| item.storageType = WebDragData::Item::StorageTypeString; |
| item.stringType = originalItem->type(); |
| item.stringData = originalItem->getAsString(); |
| } else if (originalItem->kind() == DataObjectItem::FileKind) { |
| if (originalItem->sharedBuffer()) { |
| item.storageType = WebDragData::Item::StorageTypeBinaryData; |
| item.binaryData = originalItem->sharedBuffer(); |
| } else if (originalItem->isFilename()) { |
| Blob* blob = originalItem->getAsFile(); |
| if (blob->isFile()) { |
| File* file = toFile(blob); |
| if (file->hasBackingFile()) { |
| item.storageType = WebDragData::Item::StorageTypeFilename; |
| item.filenameData = file->path(); |
| item.displayNameData = file->name(); |
| } else if (!file->fileSystemURL().isEmpty()) { |
| item.storageType = WebDragData::Item::StorageTypeFileSystemFile; |
| item.fileSystemURL = file->fileSystemURL(); |
| item.fileSystemFileSize = file->size(); |
| } else { |
| // FIXME: support dragging constructed Files across renderers, see http://crbug.com/394955 |
| item.storageType = WebDragData::Item::StorageTypeString; |
| item.stringType = "text/plain"; |
| item.stringData = file->name(); |
| } |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| } else { |
| ASSERT_NOT_REACHED(); |
| } |
| item.title = originalItem->title(); |
| item.baseURL = originalItem->baseURL(); |
| itemList[i] = item; |
| } |
| data.swapItems(itemList); |
| return data; |
| } |
| |
| } // namespace blink |
