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 #ifndef ChromiumDataObjectItem_h 32 #define ChromiumDataObjectItem_h 33 34 #include "core/fileapi/File.h" 35 #include "core/platform/SharedBuffer.h" 36 #include "weborigin/KURL.h" 37 #include "wtf/RefCounted.h" 38 #include "wtf/RefPtr.h" 39 #include "wtf/text/WTFString.h" 40 41 namespace WebCore { 42 43 class Blob; 44 class ScriptExecutionContext; 45 class StringCallback; 46 47 class ChromiumDataObjectItem : public RefCounted<ChromiumDataObjectItem> { 48 public: 49 static PassRefPtr<ChromiumDataObjectItem> createFromString(const String& type, const String& data); 50 static PassRefPtr<ChromiumDataObjectItem> createFromFile(PassRefPtr<File>); 51 static PassRefPtr<ChromiumDataObjectItem> createFromURL(const String& url, const String& title); 52 static PassRefPtr<ChromiumDataObjectItem> createFromHTML(const String& html, const KURL& baseURL); 53 static PassRefPtr<ChromiumDataObjectItem> createFromSharedBuffer(const String& filename, PassRefPtr<SharedBuffer>); 54 static PassRefPtr<ChromiumDataObjectItem> createFromPasteboard(const String& type, uint64_t sequenceNumber); 55 56 String kind() const { return m_kind; } 57 String type() const { return m_type; } 58 void getAsString(PassRefPtr<StringCallback>, ScriptExecutionContext*) const; 59 PassRefPtr<Blob> getAsFile() const; 60 61 // Used to support legacy DataTransfer APIs and renderer->browser serialization. 62 String internalGetAsString() const; 63 PassRefPtr<SharedBuffer> sharedBuffer() const { return m_sharedBuffer; } 64 String title() const { return m_title; } 65 KURL baseURL() const { return m_baseURL; } 66 bool isFilename() const; 67 68 private: 69 enum DataSource { 70 PasteboardSource, 71 InternalSource, 72 }; 73 74 ChromiumDataObjectItem(const String& kind, const String& type); 75 ChromiumDataObjectItem(const String& kind, const String& type, uint64_t sequenceNumber); 76 77 DataSource m_source; 78 String m_kind; 79 String m_type; 80 81 String m_data; 82 RefPtr<File> m_file; 83 RefPtr<SharedBuffer> m_sharedBuffer; 84 // Optional metadata. Currently used for URL, HTML, and dragging files in. 85 String m_title; 86 KURL m_baseURL; 87 88 uint64_t m_sequenceNumber; // Only valid when m_source == PasteboardSource 89 }; 90 91 } // namespace WebCore 92 93 #endif // ChromiumDataObjectItem_h 94