1 /* 2 * Copyright (C) 2009 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef JSDataGridDataSource_h 27 #define JSDataGridDataSource_h 28 29 #if ENABLE(DATAGRID) 30 31 #include "DataGridDataSource.h" 32 #include <heap/Strong.h> 33 #include <runtime/JSValue.h> 34 #include <wtf/PassRefPtr.h> 35 #include <wtf/RefPtr.h> 36 37 namespace WebCore { 38 39 class Frame; 40 class HTMLDataGridElement; 41 42 class JSDataGridDataSource : public DataGridDataSource { 43 public: 44 static PassRefPtr<JSDataGridDataSource> create(JSC::JSValue dataSource, Frame* frame) 45 { 46 return adoptRef(new JSDataGridDataSource(dataSource, frame)); 47 } 48 49 virtual ~JSDataGridDataSource(); 50 51 virtual bool isJSDataGridDataSource() const { return true; } 52 JSC::JSValue jsDataSource() const { return m_dataSource.get(); } 53 54 private: 55 JSDataGridDataSource(JSC::JSValue, Frame*); 56 57 JSC::ProtectedJSValue m_dataSource; 58 RefPtr<Frame> m_frame; 59 }; 60 61 inline JSDataGridDataSource* asJSDataGridDataSource(DataGridDataSource* dataSource) 62 { 63 ASSERT(dataSource->isJSDataGridDataSource()); 64 return static_cast<JSDataGridDataSource*>(dataSource); 65 } 66 67 inline const JSDataGridDataSource* asJSDataGridDataSource(const DataGridDataSource* dataSource) 68 { 69 ASSERT(dataSource->isJSDataGridDataSource()); 70 return static_cast<const JSDataGridDataSource*>(dataSource); 71 } 72 73 } // namespace WebCore 74 75 #endif // ENABLE(DATAGRID) 76 #endif // JSDataGridDataSource_h 77