1 /* 2 * Copyright (C) 2012 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 * 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. AND ITS CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #ifndef ValidationMessageClient_h 27 #define ValidationMessageClient_h 28 29 #include "wtf/Forward.h" 30 31 namespace WebCore { 32 33 class Document; 34 class Element; 35 36 class ValidationMessageClient { 37 public: 38 virtual ~ValidationMessageClient() { } 39 40 // Show validation message for the specified anchor element. An 41 // implementation of this function may hide the message automatically after 42 // some period. 43 virtual void showValidationMessage(const Element& anchor, const String& message) = 0; 44 45 // Hide validation message for the specified anchor if the message for the 46 // anchor is already visible. 47 virtual void hideValidationMessage(const Element& anchor) = 0; 48 49 // Returns true if the validation message for the specified anchor element 50 // is visible. 51 virtual bool isValidationMessageVisible(const Element& anchor) = 0; 52 53 virtual void documentDetached(const Document&) = 0; 54 }; 55 56 } 57 58 #endif 59