third_party/WebKit/Source/core/css/FontFaceSetForEachCallback.h

   1 /*
   2  * Copyright (C) 2013 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 are met:
   6  *
   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 SUCH
  23  * DAMAGE.
  24  */
  25
  26 #ifndef FontFaceSetForEachCallback_h
  27 #define FontFaceSetForEachCallback_h
  28
  29 #include "bindings/core/v8/ScriptValue.h"
  30 #include "platform/heap/Handle.h"
  31
  32 namespace blink {
  33
  34 class FontFace;
  35 class FontFaceSet;
  36
  37 class FontFaceSetForEachCallback : public GarbageCollectedFinalized<FontFaceSetForEachCallback> {
  38 public:
  39     virtual ~FontFaceSetForEachCallback() { }
  40     DEFINE_INLINE_VIRTUAL_TRACE() { }
  41     virtual bool handleItem(ScriptValue thisValue, FontFace*, FontFace*, FontFaceSet*) = 0;
  42     virtual bool handleItem(FontFace*, FontFace*, FontFaceSet*) = 0;
  43 };
  44
  45 } // namespace blink
  46
  47 #endif // FontFaceSetForEachCallback_h