third_party/WebKit/Source/core/layout/LayoutSliderThumb.cpp

   1 /*
   2  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
   3  * Copyright (C) 2010 Google Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include "config.h"
  33 #include "core/layout/LayoutSliderThumb.h"
  34
  35 #include "core/layout/LayoutTheme.h"
  36 #include "core/style/ComputedStyle.h"
  37
  38 namespace blink {
  39
  40 LayoutSliderThumb::LayoutSliderThumb(SliderThumbElement* element)
  41     : LayoutBlockFlow(element)
  42 {
  43 }
  44
  45 void LayoutSliderThumb::updateAppearance(const ComputedStyle& parentStyle)
  46 {
  47     if (parentStyle.appearance() == SliderVerticalPart)
  48         mutableStyleRef().setAppearance(SliderThumbVerticalPart);
  49     else if (parentStyle.appearance() == SliderHorizontalPart)
  50         mutableStyleRef().setAppearance(SliderThumbHorizontalPart);
  51     else if (parentStyle.appearance() == MediaSliderPart)
  52         mutableStyleRef().setAppearance(MediaSliderThumbPart);
  53     else if (parentStyle.appearance() == MediaVolumeSliderPart)
  54         mutableStyleRef().setAppearance(MediaVolumeSliderThumbPart);
  55     else if (parentStyle.appearance() == MediaFullScreenVolumeSliderPart)
  56         mutableStyleRef().setAppearance(MediaFullScreenVolumeSliderThumbPart);
  57     if (styleRef().hasAppearance())
  58         LayoutTheme::theme().adjustSliderThumbSize(mutableStyleRef());
  59 }
  60
  61 } // namespace blink