// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef FontFallbackPriority_h
#define FontFallbackPriority_h

namespace blink {

// http://unicode.org/reports/tr51/#Presentation_Style discusses the differences
// between emoji in text and the emoji in emoji presentation. In that sense, the
// EmojiEmoji wording is taken from there.  Also compare
// http://unicode.org/Public/emoji/1.0/emoji-data.txt
enum class FontFallbackPriority {
    // For regular non-symbols text,
    // normal text fallback in FontFallbackIterator
    Text,
    // For non-emoji symbols
    Symbols,
    // For math & technical symbols
    Math,
    // For emoji in text presentaiton
    EmojiText,
    // For emoji in emoji presentation
    EmojiEmoji,
    Invalid
};

bool isNonTextFallbackPriority(FontFallbackPriority);

}; // namespace blink

#endif