1/* 2 * Copyright (C) 2011 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 "core/clipboard/DataTransferItem.h" 33 34#include "bindings/core/v8/V8Binding.h" 35#include "core/clipboard/DataObjectItem.h" 36#include "core/clipboard/DataTransfer.h" 37#include "core/dom/StringCallback.h" 38#include "wtf/StdLibExtras.h" 39 40namespace blink { 41 42DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DataTransferItem); 43 44PassRefPtrWillBeRawPtr<DataTransferItem> DataTransferItem::create(PassRefPtrWillBeRawPtr<DataTransfer> dataTransfer, PassRefPtrWillBeRawPtr<DataObjectItem> item) 45{ 46 return adoptRefWillBeNoop(new DataTransferItem(dataTransfer, item)); 47} 48 49String DataTransferItem::kind() const 50{ 51 DEFINE_STATIC_LOCAL(const String, kindString, ("string")); 52 DEFINE_STATIC_LOCAL(const String, kindFile, ("file")); 53 if (!m_dataTransfer->canReadTypes()) 54 return String(); 55 switch (m_item->kind()) { 56 case DataObjectItem::StringKind: 57 return kindString; 58 case DataObjectItem::FileKind: 59 return kindFile; 60 } 61 ASSERT_NOT_REACHED(); 62 return String(); 63} 64 65String DataTransferItem::type() const 66{ 67 if (!m_dataTransfer->canReadTypes()) 68 return String(); 69 return m_item->type(); 70} 71 72void DataTransferItem::getAsString(ExecutionContext* context, StringCallback* callback) const 73{ 74 if (!m_dataTransfer->canReadData()) 75 return; 76 if (!callback || m_item->kind() != DataObjectItem::StringKind) 77 return; 78 79 StringCallback::scheduleCallback(callback, context, m_item->getAsString(), "DataTransferItem.getAsString"); 80} 81 82PassRefPtrWillBeRawPtr<Blob> DataTransferItem::getAsFile() const 83{ 84 if (!m_dataTransfer->canReadData()) 85 return nullptr; 86 87 return m_item->getAsFile(); 88} 89 90DataTransferItem::DataTransferItem(PassRefPtrWillBeRawPtr<DataTransfer> dataTransfer, PassRefPtrWillBeRawPtr<DataObjectItem> item) 91 : m_dataTransfer(dataTransfer) 92 , m_item(item) 93{ 94} 95 96void DataTransferItem::trace(Visitor* visitor) 97{ 98 visitor->trace(m_dataTransfer); 99 visitor->trace(m_item); 100} 101 102} // namespace blink 103 104