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 *
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#include "../WebSize.h"
37
38namespace WebKit {
39
40struct WebRect;
41struct WebSize;
42
43class WebThemeEngine {
44public:
45// The part and state parameters correspond to values defined by the
46// Windows Theme API (see
47// http://msdn.microsoft.com/en-us/library/bb773187(VS.85).aspx ).
48// The classicState parameter corresponds to the uState
49// parameter of the Windows DrawFrameControl() function.
50// See the definitions in <vsstyle.h> and <winuser.h>.
51    virtual void paintButton(
52        WebCanvas*, int part, int state, int classicState,
53        const WebRect&) = 0;
54
55    virtual void paintMenuList(
56        WebCanvas*, int part, int state, int classicState,
57        const WebRect&) = 0;
58
59    virtual void paintScrollbarArrow(
60        WebCanvas*, int state, int classicState,
61        const WebRect&) = 0;
62
63    virtual void paintScrollbarThumb(
64        WebCanvas*, int part, int state, int classicState,
65        const WebRect&) = 0;
66
67    virtual void paintScrollbarTrack(
68        WebCanvas*, int part, int state, int classicState,
69        const WebRect&, const WebRect& alignRect) = 0;
70
71    virtual void paintSpinButton(
72        WebCanvas*, int part, int state, int classicState,
73        const WebRect&) {}
74
75    virtual void paintTextField(
76        WebCanvas*, int part, int state, int classicState,
77        const WebRect&, WebColor, bool fillContentArea, bool drawEdges) = 0;
78
79    virtual void paintTrackbar(
80        WebCanvas*, int part, int state, int classicState,
81        const WebRect&) = 0;
82
83    virtual void paintProgressBar(
84        WebCanvas*, const WebRect& barRect, const WebRect& valueRect,
85        bool determinate, double animatedSeconds) {}
86};
87
88} // namespace WebKit
89
90#endif
91