1/*
2 * Copyright (C) 2009 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 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef WebThemeEngine_h
32#define WebThemeEngine_h
33
34#include "../WebCanvas.h"
35#include "../WebColor.h"
36
37namespace WebKit {
38
39struct WebRect;
40
41// The part and state parameters correspond to values defined by the
42// Windows Theme API (see
43// http://msdn.microsoft.com/en-us/library/bb773187(VS.85).aspx ).
44// The classicState parameter corresponds to the uState
45// parameter of the Windows DrawFrameControl() function.
46// See the definitions in <vsstyle.h> and <winuser.h>.
47class WebThemeEngine {
48public:
49    virtual void paintButton(
50        WebCanvas*, int part, int state, int classicState,
51        const WebRect&) = 0;
52
53    virtual void paintMenuList(
54        WebCanvas*, int part, int state, int classicState,
55        const WebRect&) = 0;
56
57    virtual void paintScrollbarArrow(
58        WebCanvas*, int state, int classicState,
59        const WebRect&) = 0;
60
61    virtual void paintScrollbarThumb(
62        WebCanvas*, int part, int state, int classicState,
63        const WebRect&) = 0;
64
65    virtual void paintScrollbarTrack(
66        WebCanvas*, int part, int state, int classicState,
67        const WebRect&, const WebRect& alignRect) = 0;
68
69    virtual void paintTextField(
70        WebCanvas*, int part, int state, int classicState,
71        const WebRect&, WebColor, bool fillContentArea, bool drawEdges) = 0;
72
73    virtual void paintTrackbar(
74        WebCanvas*, int part, int state, int classicState,
75        const WebRect&) = 0;
76};
77
78} // namespace WebKit
79
80#endif
81