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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "config.h" | 5 #include "config.h" |
| 6 | 6 |
| 7 #if USE(ACCELERATED_COMPOSITING) | 7 #if USE(ACCELERATED_COMPOSITING) |
| 8 | 8 |
| 9 #include "ScrollbarLayerChromium.h" | 9 #include "ScrollbarLayerChromium.h" |
| 10 | 10 |
| 11 #include "base/basictypes.h" |
| 11 #include "BitmapCanvasLayerTextureUpdater.h" | 12 #include "BitmapCanvasLayerTextureUpdater.h" |
| 12 #include "CCLayerTreeHost.h" | 13 #include "CCLayerTreeHost.h" |
| 13 #include "CCScrollbarLayerImpl.h" | 14 #include "CCScrollbarLayerImpl.h" |
| 14 #include "CCTextureUpdateQueue.h" | 15 #include "CCTextureUpdateQueue.h" |
| 15 #include "LayerPainterChromium.h" | 16 #include "LayerPainterChromium.h" |
| 16 #include <public/WebRect.h> | 17 #include <public/WebRect.h> |
| 17 | 18 |
| 18 using WebKit::WebRect; | 19 using WebKit::WebRect; |
| 19 | 20 |
| 20 namespace cc { | 21 namespace cc { |
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| 68 else | 69 else |
| 69 scrollbarLayer->setThumbResourceId(0); | 70 scrollbarLayer->setThumbResourceId(0); |
| 70 } | 71 } |
| 71 | 72 |
| 72 ScrollbarLayerChromium* ScrollbarLayerChromium::toScrollbarLayerChromium() | 73 ScrollbarLayerChromium* ScrollbarLayerChromium::toScrollbarLayerChromium() |
| 73 { | 74 { |
| 74 return this; | 75 return this; |
| 75 } | 76 } |
| 76 | 77 |
| 77 class ScrollbarBackgroundPainter : public LayerPainterChromium { | 78 class ScrollbarBackgroundPainter : public LayerPainterChromium { |
| 78 WTF_MAKE_NONCOPYABLE(ScrollbarBackgroundPainter); | |
| 79 public: | 79 public: |
| 80 static PassOwnPtr<ScrollbarBackgroundPainter> create(WebKit::WebScrollbar* s
crollbar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeo
metry* geometry, WebKit::WebScrollbar::ScrollbarPart trackPart) | 80 static PassOwnPtr<ScrollbarBackgroundPainter> create(WebKit::WebScrollbar* s
crollbar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeo
metry* geometry, WebKit::WebScrollbar::ScrollbarPart trackPart) |
| 81 { | 81 { |
| 82 return adoptPtr(new ScrollbarBackgroundPainter(scrollbar, painter, geome
try, trackPart)); | 82 return adoptPtr(new ScrollbarBackgroundPainter(scrollbar, painter, geome
try, trackPart)); |
| 83 } | 83 } |
| 84 | 84 |
| 85 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
&) OVERRIDE | 85 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
&) OVERRIDE |
| 86 { | 86 { |
| 87 WebKit::WebCanvas* canvas = skCanvas; | 87 WebKit::WebCanvas* canvas = skCanvas; |
| 88 // The following is a simplification of ScrollbarThemeComposite::paint. | 88 // The following is a simplification of ScrollbarThemeComposite::paint. |
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| 122 , m_painter(painter) | 122 , m_painter(painter) |
| 123 , m_geometry(geometry) | 123 , m_geometry(geometry) |
| 124 , m_trackPart(trackPart) | 124 , m_trackPart(trackPart) |
| 125 { | 125 { |
| 126 } | 126 } |
| 127 | 127 |
| 128 WebKit::WebScrollbar* m_scrollbar; | 128 WebKit::WebScrollbar* m_scrollbar; |
| 129 WebKit::WebScrollbarThemePainter m_painter; | 129 WebKit::WebScrollbarThemePainter m_painter; |
| 130 WebKit::WebScrollbarThemeGeometry* m_geometry; | 130 WebKit::WebScrollbarThemeGeometry* m_geometry; |
| 131 WebKit::WebScrollbar::ScrollbarPart m_trackPart; | 131 WebKit::WebScrollbar::ScrollbarPart m_trackPart; |
| 132 |
| 133 DISALLOW_COPY_AND_ASSIGN(ScrollbarBackgroundPainter); |
| 132 }; | 134 }; |
| 133 | 135 |
| 134 bool ScrollbarLayerChromium::needsContentsScale() const | 136 bool ScrollbarLayerChromium::needsContentsScale() const |
| 135 { | 137 { |
| 136 return true; | 138 return true; |
| 137 } | 139 } |
| 138 | 140 |
| 139 IntSize ScrollbarLayerChromium::contentBounds() const | 141 IntSize ScrollbarLayerChromium::contentBounds() const |
| 140 { | 142 { |
| 141 return IntSize(lroundf(bounds().width() * contentsScale()), lroundf(bounds()
.height() * contentsScale())); | 143 return IntSize(lroundf(bounds().width() * contentsScale()), lroundf(bounds()
.height() * contentsScale())); |
| 142 } | 144 } |
| 143 | 145 |
| 144 class ScrollbarThumbPainter : public LayerPainterChromium { | 146 class ScrollbarThumbPainter : public LayerPainterChromium { |
| 145 WTF_MAKE_NONCOPYABLE(ScrollbarThumbPainter); | |
| 146 public: | 147 public: |
| 147 static PassOwnPtr<ScrollbarThumbPainter> create(WebKit::WebScrollbar* scroll
bar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeometry
* geometry) | 148 static PassOwnPtr<ScrollbarThumbPainter> create(WebKit::WebScrollbar* scroll
bar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeometry
* geometry) |
| 148 { | 149 { |
| 149 return adoptPtr(new ScrollbarThumbPainter(scrollbar, painter, geometry))
; | 150 return adoptPtr(new ScrollbarThumbPainter(scrollbar, painter, geometry))
; |
| 150 } | 151 } |
| 151 | 152 |
| 152 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
& opaque) OVERRIDE | 153 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
& opaque) OVERRIDE |
| 153 { | 154 { |
| 154 WebKit::WebCanvas* canvas = skCanvas; | 155 WebKit::WebCanvas* canvas = skCanvas; |
| 155 | 156 |
| 156 // Consider the thumb to be at the origin when painting. | 157 // Consider the thumb to be at the origin when painting. |
| 157 WebRect thumbRect = m_geometry->thumbRect(m_scrollbar); | 158 WebRect thumbRect = m_geometry->thumbRect(m_scrollbar); |
| 158 thumbRect.x = 0; | 159 thumbRect.x = 0; |
| 159 thumbRect.y = 0; | 160 thumbRect.y = 0; |
| 160 m_painter.paintThumb(canvas, thumbRect); | 161 m_painter.paintThumb(canvas, thumbRect); |
| 161 } | 162 } |
| 162 | 163 |
| 163 private: | 164 private: |
| 164 ScrollbarThumbPainter(WebKit::WebScrollbar* scrollbar, WebKit::WebScrollbarT
hemePainter painter, WebKit::WebScrollbarThemeGeometry* geometry) | 165 ScrollbarThumbPainter(WebKit::WebScrollbar* scrollbar, WebKit::WebScrollbarT
hemePainter painter, WebKit::WebScrollbarThemeGeometry* geometry) |
| 165 : m_scrollbar(scrollbar) | 166 : m_scrollbar(scrollbar) |
| 166 , m_painter(painter) | 167 , m_painter(painter) |
| 167 , m_geometry(geometry) | 168 , m_geometry(geometry) |
| 168 { | 169 { |
| 169 } | 170 } |
| 170 | 171 |
| 171 WebKit::WebScrollbar* m_scrollbar; | 172 WebKit::WebScrollbar* m_scrollbar; |
| 172 WebKit::WebScrollbarThemePainter m_painter; | 173 WebKit::WebScrollbarThemePainter m_painter; |
| 173 WebKit::WebScrollbarThemeGeometry* m_geometry; | 174 WebKit::WebScrollbarThemeGeometry* m_geometry; |
| 175 |
| 176 DISALLOW_COPY_AND_ASSIGN(ScrollbarThumbPainter); |
| 174 }; | 177 }; |
| 175 | 178 |
| 176 void ScrollbarLayerChromium::setLayerTreeHost(CCLayerTreeHost* host) | 179 void ScrollbarLayerChromium::setLayerTreeHost(CCLayerTreeHost* host) |
| 177 { | 180 { |
| 178 if (!host || host != layerTreeHost()) { | 181 if (!host || host != layerTreeHost()) { |
| 179 m_backTrackUpdater.clear(); | 182 m_backTrackUpdater.clear(); |
| 180 m_backTrack.clear(); | 183 m_backTrack.clear(); |
| 181 m_thumbUpdater.clear(); | 184 m_thumbUpdater.clear(); |
| 182 m_thumb.clear(); | 185 m_thumb.clear(); |
| 183 } | 186 } |
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| 273 | 276 |
| 274 // Consider the thumb to be at the origin when painting. | 277 // Consider the thumb to be at the origin when painting. |
| 275 WebKit::WebRect thumbRect = m_geometry->thumbRect(m_scrollbar.get()); | 278 WebKit::WebRect thumbRect = m_geometry->thumbRect(m_scrollbar.get()); |
| 276 IntRect originThumbRect = layerRectToContentRect(WebKit::WebRect(0, 0, thumb
Rect.width, thumbRect.height)); | 279 IntRect originThumbRect = layerRectToContentRect(WebKit::WebRect(0, 0, thumb
Rect.width, thumbRect.height)); |
| 277 if (!originThumbRect.isEmpty()) | 280 if (!originThumbRect.isEmpty()) |
| 278 updatePart(m_thumbUpdater.get(), m_thumb.get(), originThumbRect, queue,
stats); | 281 updatePart(m_thumbUpdater.get(), m_thumb.get(), originThumbRect, queue,
stats); |
| 279 } | 282 } |
| 280 | 283 |
| 281 } | 284 } |
| 282 #endif // USE(ACCELERATED_COMPOSITING) | 285 #endif // USE(ACCELERATED_COMPOSITING) |
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