1 /* 2 * Copyright (C) 2010 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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebIDBCursor_h 27 #define WebIDBCursor_h 28 29 #include "WebCommon.h" 30 #include "WebExceptionCode.h" 31 #include "WebIDBCallbacks.h" 32 #include "WebIDBKey.h" 33 #include "WebSerializedScriptValue.h" 34 #include "WebString.h" 35 36 namespace WebKit { 37 38 // See comment in WebIDBFactory for a high level overview these classes. 39 class WebIDBCursor { 40 public: ~WebIDBCursor()41 virtual ~WebIDBCursor() { } 42 direction()43 virtual unsigned short direction() const 44 { 45 WEBKIT_ASSERT_NOT_REACHED(); 46 return 0; 47 } key()48 virtual WebIDBKey key() const 49 { 50 WEBKIT_ASSERT_NOT_REACHED(); 51 return WebIDBKey::createInvalid(); 52 } primaryKey()53 virtual WebIDBKey primaryKey() const 54 { 55 WEBKIT_ASSERT_NOT_REACHED(); 56 return WebIDBKey::createInvalid(); 57 } 58 // FIXME: Remove the following 2 methods and uncomment third after roll. value()59 virtual WebSerializedScriptValue value() const 60 { 61 WebSerializedScriptValue serializedScriptValue; 62 WebIDBKey key; 63 value(serializedScriptValue, key); 64 return serializedScriptValue; 65 } value(WebSerializedScriptValue & serializedScriptValue,WebIDBKey & key)66 virtual void value(WebSerializedScriptValue& serializedScriptValue, WebIDBKey& key) const 67 { 68 serializedScriptValue = value(); 69 } 70 // virtual WebSerializedScriptValue value() const 71 // { 72 // WEBKIT_ASSERT_NOT_REACHED(); 73 // return WebSerializedScriptValue(); 74 // } 75 update(const WebSerializedScriptValue &,WebIDBCallbacks *,WebExceptionCode &)76 virtual void update(const WebSerializedScriptValue&, WebIDBCallbacks*, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } continueFunction(const WebIDBKey &,WebIDBCallbacks *,WebExceptionCode &)77 virtual void continueFunction(const WebIDBKey&, WebIDBCallbacks*, WebExceptionCode&) { WEBKIT_ASSERT_NOT_REACHED(); } 78 // FIXME: Remove after WK roll. remove(WebIDBCallbacks * callbacks,WebExceptionCode & ec)79 virtual void remove(WebIDBCallbacks* callbacks, WebExceptionCode& ec) { deleteFunction(callbacks, ec); } deleteFunction(WebIDBCallbacks * callbacks,WebExceptionCode & ec)80 virtual void deleteFunction(WebIDBCallbacks* callbacks, WebExceptionCode& ec) { remove(callbacks, ec); } 81 82 protected: WebIDBCursor()83 WebIDBCursor() { } 84 }; 85 86 } // namespace WebKit 87 88 #endif // WebIDBCursor_h 89