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 WebIDBCallbacks_h 27 #define WebIDBCallbacks_h 28 29 #include "WebCommon.h" 30 #include "WebVector.h" 31 32 namespace WebKit { 33 34 class WebData; 35 class WebIDBCursor; 36 class WebIDBDatabase; 37 class WebIDBDatabaseError; 38 class WebIDBIndex; 39 class WebIDBKey; 40 class WebIDBKeyPath; 41 class WebString; 42 struct WebIDBMetadata; 43 44 class WebIDBCallbacks { 45 public: 46 virtual ~WebIDBCallbacks() { } 47 48 enum DataLoss { 49 DataLossNone = 0, 50 DataLossTotal = 1 51 }; 52 53 // For classes that follow the PImpl pattern, pass a const reference. 54 // For the rest, pass ownership to the callee via a pointer. 55 virtual void onError(const WebIDBDatabaseError&) { WEBKIT_ASSERT_NOT_REACHED(); } 56 virtual void onSuccess(const WebVector<WebString>&) { WEBKIT_ASSERT_NOT_REACHED(); } 57 virtual void onSuccess(WebIDBCursor*, const WebIDBKey& key, const WebIDBKey& primaryKey, const WebData&) { WEBKIT_ASSERT_NOT_REACHED(); } 58 virtual void onSuccess(WebIDBDatabase*) { WEBKIT_ASSERT_NOT_REACHED(); } 59 virtual void onSuccess(WebIDBDatabase*, const WebIDBMetadata&) { WEBKIT_ASSERT_NOT_REACHED(); } 60 virtual void onSuccess(const WebIDBKey&) { WEBKIT_ASSERT_NOT_REACHED(); } 61 virtual void onSuccess(const WebData&) { WEBKIT_ASSERT_NOT_REACHED(); } 62 virtual void onSuccess(const WebData&, const WebIDBKey&, const WebIDBKeyPath&) { WEBKIT_ASSERT_NOT_REACHED(); } 63 virtual void onSuccess(long long) { WEBKIT_ASSERT_NOT_REACHED(); } 64 virtual void onSuccess() { WEBKIT_ASSERT_NOT_REACHED(); } 65 virtual void onSuccess(const WebIDBKey& key, const WebIDBKey& primaryKey, const WebData&) { WEBKIT_ASSERT_NOT_REACHED(); } 66 // FIXME: Remove the following overload once callers are updated: 67 virtual void onBlocked() { WEBKIT_ASSERT_NOT_REACHED(); } 68 virtual void onBlocked(long long oldVersion) { WEBKIT_ASSERT_NOT_REACHED(); } 69 virtual void onUpgradeNeeded(long long oldVersion, WebIDBDatabase* database, const WebIDBMetadata& metadata) 70 { 71 onUpgradeNeeded(oldVersion, database, metadata, DataLossNone); 72 } 73 virtual void onUpgradeNeeded(long long oldVersion, WebIDBDatabase*, const WebIDBMetadata&, DataLoss dataLoss) { WEBKIT_ASSERT_NOT_REACHED(); } 74 }; 75 76 } // namespace WebKit 77 78 #endif // WebIDBCallbacks_h 79
