| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| #ifndef WebDragData_h |
| #define WebDragData_h |
| |
| #include "WebCommon.h" |
| #include "WebData.h" |
| #include "WebString.h" |
| #include "WebURL.h" |
| |
| namespace blink { |
| |
| class DataObject; |
| class WebDragDataPrivate; |
| template <typename T> class WebVector; |
| |
| // Holds data that may be exchanged through a drag-n-drop operation. It is |
| // inexpensive to copy a WebDragData object. |
| class WebDragData { |
| public: |
| struct Item { |
| enum StorageType { |
| // String data with an associated MIME type. Depending on the MIME type, there may be |
| // optional metadata attributes as well. |
| StorageTypeString, |
| // Stores the name of one file being dragged into the renderer. |
| StorageTypeFilename, |
| // An image being dragged out of the renderer. Contains a buffer holding the image data |
| // as well as the suggested name for saving the image to. |
| StorageTypeBinaryData, |
| // Stores the filesystem URL of one file being dragged into the renderer. |
| StorageTypeFileSystemFile, |
| }; |
| |
| StorageType storageType; |
| |
| // Only valid when storageType == StorageTypeString. |
| WebString stringType; |
| WebString stringData; |
| |
| // Only valid when storageType == StorageTypeFilename. |
| WebString filenameData; |
| WebString displayNameData; |
| |
| // Only valid when storageType == StorageTypeBinaryData. |
| WebData binaryData; |
| |
| // Title associated with a link when stringType == "text/uri-list". |
| // Filename when storageType == StorageTypeBinaryData. |
| WebString title; |
| |
| // Only valid when storageType == StorageTypeFileSystemFile. |
| WebURL fileSystemURL; |
| long long fileSystemFileSize; |
| |
| // Only valid when stringType == "text/html". |
| WebURL baseURL; |
| }; |
| |
| WebDragData() { } |
| WebDragData(const WebDragData& object) { assign(object); } |
| WebDragData& operator=(const WebDragData& object) |
| { |
| assign(object); |
| return *this; |
| } |
| ~WebDragData() { reset(); } |
| |
| bool isNull() const { return m_private.isNull(); } |
| |
| BLINK_EXPORT void initialize(); |
| BLINK_EXPORT void reset(); |
| BLINK_EXPORT void assign(const WebDragData&); |
| |
| BLINK_EXPORT WebVector<Item> items() const; |
| BLINK_EXPORT void setItems(const WebVector<Item>&); |
| BLINK_EXPORT void addItem(const Item&); |
| |
| BLINK_EXPORT WebString filesystemId() const; |
| BLINK_EXPORT void setFilesystemId(const WebString&); |
| |
| #if BLINK_IMPLEMENTATION |
| explicit WebDragData(const PassRefPtrWillBeRawPtr<DataObject>&); |
| WebDragData& operator=(const PassRefPtrWillBeRawPtr<DataObject>&); |
| DataObject* getValue() const; |
| #endif |
| |
| private: |
| void ensureMutable(); |
| WebPrivatePtr<DataObject> m_private; |
| }; |
| |
| } // namespace blink |
| |
| #endif |