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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef ValidationMessageClient_h
#define ValidationMessageClient_h
#include "platform/heap/Handle.h"
#include "platform/text/TextDirection.h"
#include "wtf/Forward.h"
namespace blink {
class Document;
class Element;
class ValidationMessageClient : public GarbageCollectedMixin {
public:
virtual ~ValidationMessageClient() {}
// Show validation message for the specified anchor element. An
// implementation of this function may hide the message automatically after
// some period.
virtual void showValidationMessage(const Element& anchor,
const String& mainMessage,
TextDirection,
const String& subMessage,
TextDirection) = 0;
// Hide validation message for the specified anchor if the message for the
// anchor is already visible.
virtual void hideValidationMessage(const Element& anchor) = 0;
// Returns true if the validation message for the specified anchor element
// is visible.
virtual bool isValidationMessageVisible(const Element& anchor) = 0;
virtual void documentDetached(const Document&) = 0;
virtual void willBeDestroyed() = 0;
DEFINE_INLINE_VIRTUAL_TRACE() {}
};
} // namespace blink
#endif
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