1/* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "modules/filesystem/DraggedIsolatedFileSystem.h" 33 34#include "core/dom/ExecutionContext.h" 35#include "modules/filesystem/DOMFileSystem.h" 36#include "platform/Supplementable.h" 37#include "platform/weborigin/SecurityOrigin.h" 38#include "wtf/MainThread.h" 39 40namespace blink { 41 42DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem() 43{ 44} 45 46DOMFileSystem* DraggedIsolatedFileSystem::getDOMFileSystem(DataObject* host, ExecutionContext* executionContext) 47{ 48 DraggedIsolatedFileSystem* draggedIsolatedFileSystem = from(host); 49 if (!draggedIsolatedFileSystem) 50 return 0; 51 if (!draggedIsolatedFileSystem->m_filesystem) 52 draggedIsolatedFileSystem->m_filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, host->filesystemId()); 53 return draggedIsolatedFileSystem->m_filesystem.get(); 54} 55 56// static 57const char* DraggedIsolatedFileSystem::supplementName() 58{ 59 ASSERT(isMainThread()); 60 return "DraggedIsolatedFileSystem"; 61} 62 63DraggedIsolatedFileSystem* DraggedIsolatedFileSystem::from(DataObject* dataObject) 64{ 65 return static_cast<DraggedIsolatedFileSystem*>(WillBeHeapSupplement<DataObject>::from(dataObject, supplementName())); 66} 67 68DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(DataObject& host, const String& filesystemId) 69{ 70 host.setFilesystemId(filesystemId); 71} 72 73void DraggedIsolatedFileSystem::trace(Visitor* visitor) 74{ 75 visitor->trace(m_filesystem); 76 WillBeHeapSupplement<DataObject>::trace(visitor); 77} 78 79} // namespace blink 80