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| 1 // Copyright 2014 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 "content/shell/renderer/test_runner/mock_web_theme_engine_mac.h" | |
| 6 | |
| 7 #import <AppKit/NSAffineTransform.h> | |
| 8 #import <AppKit/NSGraphicsContext.h> | |
| 9 #import <AppKit/NSScroller.h> | |
| 10 #import <AppKit/NSWindow.h> | |
| 11 #include <Carbon/Carbon.h> | |
| 12 #include "skia/ext/skia_utils_mac.h" | |
| 13 #include "third_party/WebKit/public/platform/WebCanvas.h" | |
| 14 #include "third_party/WebKit/public/platform/WebRect.h" | |
| 15 | |
| 16 using blink::WebCanvas; | |
| 17 using blink::WebRect; | |
| 18 using blink::WebThemeEngine; | |
| 19 | |
| 20 // We can't directly tell the NSScroller to draw itself as active or inactive, | |
| 21 // instead we have to make it a child of an (in)active window. This class lets | |
| 22 // us fake that parent window. | |
| 23 @interface FakeActiveWindow : NSWindow { | |
| 24 @private | |
| 25 BOOL hasActiveControls; | |
| 26 } | |
| 27 + (NSWindow*)alwaysActiveWindow; | |
| 28 + (NSWindow*)alwaysInactiveWindow; | |
| 29 - (id)initWithActiveControls:(BOOL)_hasActiveControls; | |
| 30 - (BOOL)_hasActiveControls; | |
| 31 @end | |
| 32 | |
| 33 @implementation FakeActiveWindow | |
| 34 | |
| 35 static NSWindow* alwaysActiveWindow = nil; | |
| 36 static NSWindow* alwaysInactiveWindow = nil; | |
| 37 | |
| 38 + (NSWindow*)alwaysActiveWindow { | |
| 39 if (alwaysActiveWindow == nil) | |
| 40 alwaysActiveWindow = [[self alloc] initWithActiveControls:YES]; | |
| 41 return alwaysActiveWindow; | |
| 42 } | |
| 43 | |
| 44 + (NSWindow*)alwaysInactiveWindow { | |
| 45 if (alwaysInactiveWindow == nil) | |
| 46 alwaysInactiveWindow = [[self alloc] initWithActiveControls:NO]; | |
| 47 return alwaysInactiveWindow; | |
| 48 } | |
| 49 | |
| 50 - (id)initWithActiveControls:(BOOL)_hasActiveControls { | |
| 51 if ((self = [super initWithContentRect:NSMakeRect(0, 0, 100, 100) | |
| 52 styleMask:0 | |
| 53 backing:NSBackingStoreBuffered | |
| 54 defer:YES])) { | |
| 55 hasActiveControls = _hasActiveControls; | |
| 56 } | |
| 57 return self; | |
| 58 } | |
| 59 | |
| 60 - (BOOL)_hasActiveControls | |
| 61 { | |
| 62 return hasActiveControls; | |
| 63 } | |
| 64 | |
| 65 @end | |
| 66 | |
| 67 namespace content { | |
| 68 | |
| 69 namespace { | |
| 70 | |
| 71 ThemeTrackEnableState stateToHIEnableState(WebThemeEngine::State state) { | |
| 72 switch (state) { | |
| 73 case WebThemeEngine::StateDisabled: | |
| 74 return kThemeTrackDisabled; | |
| 75 case WebThemeEngine::StateInactive: | |
| 76 return kThemeTrackInactive; | |
| 77 default: | |
| 78 return kThemeTrackActive; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 } // namespace | |
| 83 | |
| 84 void MockWebThemeEngineMac::paintScrollbarThumb( | |
| 85 WebCanvas* canvas, | |
| 86 WebThemeEngine::State state, | |
| 87 WebThemeEngine::Size size, | |
| 88 const WebRect& rect, | |
| 89 const WebThemeEngine::ScrollbarInfo& scrollbarInfo) { | |
| 90 // To match the Mac port, we still use HITheme for inner scrollbars. | |
| 91 if (scrollbarInfo.parent == WebThemeEngine::ScrollbarParentRenderLayer) | |
| 92 paintHIThemeScrollbarThumb(canvas, state, size, rect, scrollbarInfo); | |
| 93 else | |
| 94 paintNSScrollerScrollbarThumb(canvas, state, size, rect, scrollbarInfo); | |
| 95 } | |
| 96 | |
| 97 // Duplicated from webkit/glue/webthemeengine_impl_mac.cc in the downstream | |
| 98 // Chromium WebThemeEngine implementation. | |
| 99 void MockWebThemeEngineMac::paintHIThemeScrollbarThumb( | |
| 100 WebCanvas* canvas, | |
| 101 WebThemeEngine::State state, | |
| 102 WebThemeEngine::Size size, | |
| 103 const WebRect& rect, | |
| 104 const WebThemeEngine::ScrollbarInfo& scrollbarInfo) { | |
| 105 HIThemeTrackDrawInfo trackInfo; | |
| 106 trackInfo.version = 0; | |
| 107 trackInfo.kind = size == WebThemeEngine::SizeRegular ? kThemeMediumScrollBar
: kThemeSmallScrollBar; | |
| 108 trackInfo.bounds = CGRectMake(rect.x, rect.y, rect.width, rect.height); | |
| 109 trackInfo.min = 0; | |
| 110 trackInfo.max = scrollbarInfo.maxValue; | |
| 111 trackInfo.value = scrollbarInfo.currentValue; | |
| 112 trackInfo.trackInfo.scrollbar.viewsize = scrollbarInfo.visibleSize; | |
| 113 trackInfo.attributes = 0; | |
| 114 if (scrollbarInfo.orientation == WebThemeEngine::ScrollbarOrientationHorizon
tal) | |
| 115 trackInfo.attributes |= kThemeTrackHorizontal; | |
| 116 | |
| 117 trackInfo.enableState = stateToHIEnableState(state); | |
| 118 | |
| 119 trackInfo.trackInfo.scrollbar.pressState = | |
| 120 state == WebThemeEngine::StatePressed ? kThemeThumbPressed : 0; | |
| 121 trackInfo.attributes |= (kThemeTrackShowThumb | kThemeTrackHideTrack); | |
| 122 gfx::SkiaBitLocker bitLocker(canvas); | |
| 123 CGContextRef cgContext = bitLocker.cgContext(); | |
| 124 HIThemeDrawTrack(&trackInfo, 0, cgContext, kHIThemeOrientationNormal); | |
| 125 } | |
| 126 | |
| 127 void MockWebThemeEngineMac::paintNSScrollerScrollbarThumb( | |
| 128 WebCanvas* canvas, | |
| 129 WebThemeEngine::State state, | |
| 130 WebThemeEngine::Size size, | |
| 131 const WebRect& rect, | |
| 132 const WebThemeEngine::ScrollbarInfo& scrollbarInfo) { | |
| 133 [NSGraphicsContext saveGraphicsState]; | |
| 134 NSScroller* scroller = [[NSScroller alloc] initWithFrame:NSMakeRect(rect.x,
rect.y, rect.width, rect.height)]; | |
| 135 [scroller setEnabled:state != WebThemeEngine::StateDisabled]; | |
| 136 if (state == WebThemeEngine::StateInactive) | |
| 137 [[[FakeActiveWindow alwaysInactiveWindow] contentView] addSubview:scroll
er]; | |
| 138 else | |
| 139 [[[FakeActiveWindow alwaysActiveWindow] contentView] addSubview:scroller
]; | |
| 140 | |
| 141 [scroller setControlSize:size == WebThemeEngine::SizeRegular ? NSRegularCont
rolSize : NSSmallControlSize]; | |
| 142 | |
| 143 double value = double(scrollbarInfo.currentValue) / double(scrollbarInfo.max
Value); | |
| 144 [scroller setDoubleValue: value]; | |
| 145 | |
| 146 float knobProportion = float(scrollbarInfo.visibleSize) / float(scrollbarInf
o.totalSize); | |
| 147 [scroller setKnobProportion: knobProportion]; | |
| 148 | |
| 149 gfx::SkiaBitLocker bitLocker(canvas); | |
| 150 CGContextRef cgContext = bitLocker.cgContext(); | |
| 151 NSGraphicsContext* nsGraphicsContext = [NSGraphicsContext graphicsContextWit
hGraphicsPort:cgContext flipped:YES]; | |
| 152 [NSGraphicsContext setCurrentContext:nsGraphicsContext]; | |
| 153 | |
| 154 // Despite passing in frameRect() to the scroller, it always draws at (0, 0)
. | |
| 155 // Force it to draw in the right location by translating the whole graphics | |
| 156 // context. | |
| 157 CGContextSaveGState(cgContext); | |
| 158 NSAffineTransform *transform = [NSAffineTransform transform]; | |
| 159 [transform translateXBy:rect.x yBy:rect.y]; | |
| 160 [transform concat]; | |
| 161 | |
| 162 [scroller drawKnob]; | |
| 163 CGContextRestoreGState(cgContext); | |
| 164 | |
| 165 [scroller release]; | |
| 166 | |
| 167 [NSGraphicsContext restoreGraphicsState]; | |
| 168 } | |
| 169 | |
| 170 } // namespace content | |
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Chromium Code Reviews
Issue 647223002:
Remove unused paintScrollbarThumb impl. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master