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 

    37 namespace WebKit {

    38 

    39 struct WebRect;

    40 struct WebSize;

    41 

    42 class WebThemeEngine {

    43 public:

    44 #ifdef WIN32

    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 #endif

    88 };

    89 

    90 } // namespace WebKit

    91 

    92 #endif