1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "webkit/glue/webthemeengine_impl_mac.h" 6 7 #include <Carbon/Carbon.h> 8 9 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCanvas.h" 10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRect.h" 11 12 using WebKit::WebCanvas; 13 using WebKit::WebRect; 14 using WebKit::WebThemeEngine; 15 16 namespace webkit_glue { 17 18 static ThemeTrackEnableState stateToHIEnableState(WebThemeEngine::State state) { 19 switch (state) { 20 case WebThemeEngine::StateDisabled: 21 return kThemeTrackDisabled; 22 case WebThemeEngine::StateInactive: 23 return kThemeTrackInactive; 24 default: 25 return kThemeTrackActive; 26 } 27 } 28 29 void WebThemeEngineImpl::paintScrollbarThumb( 30 WebCanvas* canvas, 31 WebThemeEngine::State state, 32 WebThemeEngine::Size size, 33 const WebRect& rect, 34 const WebThemeEngine::ScrollbarInfo& scrollbarInfo) { 35 HIThemeTrackDrawInfo trackInfo; 36 trackInfo.version = 0; 37 trackInfo.kind = size == WebThemeEngine::SizeRegular ? 38 kThemeMediumScrollBar : kThemeSmallScrollBar; 39 trackInfo.bounds = CGRectMake(rect.x, rect.y, rect.width, rect.height); 40 trackInfo.min = 0; 41 trackInfo.max = scrollbarInfo.maxValue; 42 trackInfo.value = scrollbarInfo.currentValue; 43 trackInfo.trackInfo.scrollbar.viewsize = scrollbarInfo.visibleSize; 44 trackInfo.attributes = 0; 45 if (scrollbarInfo.orientation == 46 WebThemeEngine::ScrollbarOrientationHorizontal) { 47 trackInfo.attributes |= kThemeTrackHorizontal; 48 } 49 50 trackInfo.enableState = stateToHIEnableState(state); 51 52 trackInfo.trackInfo.scrollbar.pressState = 53 state == WebThemeEngine::StatePressed ? kThemeThumbPressed : 0; 54 trackInfo.attributes |= (kThemeTrackShowThumb | kThemeTrackHideTrack); 55 HIThemeDrawTrack(&trackInfo, 0, canvas, kHIThemeOrientationNormal); 56 } 57 58 } // namespace webkit_glue 59
