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
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 Canvas2DContextAttributes_h
28#define Canvas2DContextAttributes_h
29
30#include "bindings/core/v8/ScriptWrappable.h"
31#include "core/html/canvas/CanvasContextAttributes.h"
32#include "wtf/PassRefPtr.h"
33
34namespace blink {
35
36enum Canvas2DContextStorage {
37    PersistentStorage,
38    DiscardableStorage
39};
40
41class Canvas2DContextAttributes : public CanvasContextAttributes, public ScriptWrappable {
42    DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(Canvas2DContextAttributes);
43    DEFINE_WRAPPERTYPEINFO();
44public:
45    // Create a new attributes object
46    static PassRefPtrWillBeRawPtr<Canvas2DContextAttributes> create();
47
48    // Whether or not the drawing buffer has an alpha channel; default=true
49    bool alpha() const;
50    void setAlpha(bool);
51
52    String storage() const;
53    void setStorage(const String&);
54    Canvas2DContextStorage parsedStorage() const;
55
56protected:
57    Canvas2DContextAttributes();
58
59    bool m_alpha;
60    Canvas2DContextStorage m_storage;
61};
62
63} // namespace blink
64
65#endif // Canvas2DContextAttributes_h
66