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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 
38 namespace WebKit {
39 
40 struct WebRect;
41 struct WebSize;
42 
43 class WebThemeEngine {
44 public:
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 
paintSpinButton(WebCanvas *,int part,int state,int classicState,const WebRect &)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 
paintProgressBar(WebCanvas *,const WebRect & barRect,const WebRect & valueRect,bool determinate,double animatedSeconds)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