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 are
6 * met:
7 *     * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 *     * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following disclaimer
11 * in the documentation and/or other materials provided with the
12 * distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef CanvasContextAttributes_h
28#define CanvasContextAttributes_h
29
30#include "platform/heap/Handle.h"
31#include "wtf/RefCounted.h"
32
33namespace blink {
34
35// A base class for any attributes that are needed which would affect
36// the creation of the Canvas's rendering context.
37
38class CanvasContextAttributes : public RefCountedWillBeGarbageCollectedFinalized<CanvasContextAttributes> {
39    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(CanvasContextAttributes);
40public:
41    virtual void trace(Visitor*) { }
42
43protected:
44    CanvasContextAttributes();
45};
46
47} // namespace blink
48
49#endif // CanvasContextAttributes_h
50