| OLD | NEW |
|---|
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "config.h" | |
| 6 | |
| 7 #if USE(ACCELERATED_COMPOSITING) | |
| 8 | |
| 9 #include "ScrollbarLayerChromium.h" | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "CCLayerTreeHost.h" | |
| 13 #include "CCScrollbarLayerImpl.h" | |
| 14 #include "CCTextureUpdateQueue.h" | |
| 15 #include "LayerPainterChromium.h" | |
| 16 #include "TraceEvent.h" | |
| 17 #include <public/WebRect.h> | |
| 18 | |
| 19 using WebKit::WebRect; | |
| 20 | |
| 21 namespace cc { | |
| 22 | |
| 23 scoped_ptr<CCLayerImpl> ScrollbarLayerChromium::createCCLayerImpl() | |
| 24 { | |
| 25 return CCScrollbarLayerImpl::create(id()).PassAs<CCLayerImpl>(); | |
| 26 } | |
| 27 | |
| 28 scoped_refptr<ScrollbarLayerChromium> ScrollbarLayerChromium::create(PassOwnPtr<
WebKit::WebScrollbar> scrollbar, WebKit::WebScrollbarThemePainter painter, PassO
wnPtr<WebKit::WebScrollbarThemeGeometry> geometry, int scrollLayerId) | |
| 29 { | |
| 30 return make_scoped_refptr(new ScrollbarLayerChromium(scrollbar, painter, geo
metry, scrollLayerId)); | |
| 31 } | |
| 32 | |
| 33 ScrollbarLayerChromium::ScrollbarLayerChromium(PassOwnPtr<WebKit::WebScrollbar>
scrollbar, WebKit::WebScrollbarThemePainter painter, PassOwnPtr<WebKit::WebScrol
lbarThemeGeometry> geometry, int scrollLayerId) | |
| 34 : m_scrollbar(scrollbar) | |
| 35 , m_painter(painter) | |
| 36 , m_geometry(geometry) | |
| 37 , m_scrollLayerId(scrollLayerId) | |
| 38 , m_textureFormat(GraphicsContext3D::INVALID_ENUM) | |
| 39 { | |
| 40 } | |
| 41 | |
| 42 ScrollbarLayerChromium::~ScrollbarLayerChromium() | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 void ScrollbarLayerChromium::pushPropertiesTo(CCLayerImpl* layer) | |
| 47 { | |
| 48 LayerChromium::pushPropertiesTo(layer); | |
| 49 | |
| 50 CCScrollbarLayerImpl* scrollbarLayer = static_cast<CCScrollbarLayerImpl*>(la
yer); | |
| 51 | |
| 52 if (!scrollbarLayer->scrollbarGeometry()) | |
| 53 scrollbarLayer->setScrollbarGeometry(CCScrollbarGeometryFixedThumb::crea
te(adoptPtr(m_geometry->clone()))); | |
| 54 | |
| 55 scrollbarLayer->setScrollbarData(m_scrollbar.get()); | |
| 56 | |
| 57 if (m_backTrack && m_backTrack->texture()->haveBackingTexture()) | |
| 58 scrollbarLayer->setBackTrackResourceId(m_backTrack->texture()->resourceI
d()); | |
| 59 else | |
| 60 scrollbarLayer->setBackTrackResourceId(0); | |
| 61 | |
| 62 if (m_foreTrack && m_foreTrack->texture()->haveBackingTexture()) | |
| 63 scrollbarLayer->setForeTrackResourceId(m_foreTrack->texture()->resourceI
d()); | |
| 64 else | |
| 65 scrollbarLayer->setForeTrackResourceId(0); | |
| 66 | |
| 67 if (m_thumb && m_thumb->texture()->haveBackingTexture()) | |
| 68 scrollbarLayer->setThumbResourceId(m_thumb->texture()->resourceId()); | |
| 69 else | |
| 70 scrollbarLayer->setThumbResourceId(0); | |
| 71 } | |
| 72 | |
| 73 ScrollbarLayerChromium* ScrollbarLayerChromium::toScrollbarLayerChromium() | |
| 74 { | |
| 75 return this; | |
| 76 } | |
| 77 | |
| 78 class ScrollbarBackgroundPainter : public LayerPainterChromium { | |
| 79 public: | |
| 80 static PassOwnPtr<ScrollbarBackgroundPainter> create(WebKit::WebScrollbar* s
crollbar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeo
metry* geometry, WebKit::WebScrollbar::ScrollbarPart trackPart) | |
| 81 { | |
| 82 return adoptPtr(new ScrollbarBackgroundPainter(scrollbar, painter, geome
try, trackPart)); | |
| 83 } | |
| 84 | |
| 85 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
&) OVERRIDE | |
| 86 { | |
| 87 WebKit::WebCanvas* canvas = skCanvas; | |
| 88 // The following is a simplification of ScrollbarThemeComposite::paint. | |
| 89 WebKit::WebRect contentWebRect(contentRect.x(), contentRect.y(), content
Rect.width(), contentRect.height()); | |
| 90 m_painter.paintScrollbarBackground(canvas, contentWebRect); | |
| 91 | |
| 92 if (m_geometry->hasButtons(m_scrollbar)) { | |
| 93 WebRect backButtonStartPaintRect = m_geometry->backButtonStartRect(m
_scrollbar); | |
| 94 m_painter.paintBackButtonStart(canvas, backButtonStartPaintRect); | |
| 95 | |
| 96 WebRect backButtonEndPaintRect = m_geometry->backButtonEndRect(m_scr
ollbar); | |
| 97 m_painter.paintBackButtonEnd(canvas, backButtonEndPaintRect); | |
| 98 | |
| 99 WebRect forwardButtonStartPaintRect = m_geometry->forwardButtonStart
Rect(m_scrollbar); | |
| 100 m_painter.paintForwardButtonStart(canvas, forwardButtonStartPaintRec
t); | |
| 101 | |
| 102 WebRect forwardButtonEndPaintRect = m_geometry->forwardButtonEndRect
(m_scrollbar); | |
| 103 m_painter.paintForwardButtonEnd(canvas, forwardButtonEndPaintRect); | |
| 104 } | |
| 105 | |
| 106 WebRect trackPaintRect = m_geometry->trackRect(m_scrollbar); | |
| 107 m_painter.paintTrackBackground(canvas, trackPaintRect); | |
| 108 | |
| 109 bool thumbPresent = m_geometry->hasThumb(m_scrollbar); | |
| 110 if (thumbPresent) { | |
| 111 if (m_trackPart == WebKit::WebScrollbar::ForwardTrackPart) | |
| 112 m_painter.paintForwardTrackPart(canvas, trackPaintRect); | |
| 113 else | |
| 114 m_painter.paintBackTrackPart(canvas, trackPaintRect); | |
| 115 } | |
| 116 | |
| 117 m_painter.paintTickmarks(canvas, trackPaintRect); | |
| 118 } | |
| 119 private: | |
| 120 ScrollbarBackgroundPainter(WebKit::WebScrollbar* scrollbar, WebKit::WebScrol
lbarThemePainter painter, WebKit::WebScrollbarThemeGeometry* geometry, WebKit::W
ebScrollbar::ScrollbarPart trackPart) | |
| 121 : m_scrollbar(scrollbar) | |
| 122 , m_painter(painter) | |
| 123 , m_geometry(geometry) | |
| 124 , m_trackPart(trackPart) | |
| 125 { | |
| 126 } | |
| 127 | |
| 128 WebKit::WebScrollbar* m_scrollbar; | |
| 129 WebKit::WebScrollbarThemePainter m_painter; | |
| 130 WebKit::WebScrollbarThemeGeometry* m_geometry; | |
| 131 WebKit::WebScrollbar::ScrollbarPart m_trackPart; | |
| 132 | |
| 133 DISALLOW_COPY_AND_ASSIGN(ScrollbarBackgroundPainter); | |
| 134 }; | |
| 135 | |
| 136 bool ScrollbarLayerChromium::needsContentsScale() const | |
| 137 { | |
| 138 return true; | |
| 139 } | |
| 140 | |
| 141 IntSize ScrollbarLayerChromium::contentBounds() const | |
| 142 { | |
| 143 return IntSize(lroundf(bounds().width() * contentsScale()), lroundf(bounds()
.height() * contentsScale())); | |
| 144 } | |
| 145 | |
| 146 class ScrollbarThumbPainter : public LayerPainterChromium { | |
| 147 public: | |
| 148 static PassOwnPtr<ScrollbarThumbPainter> create(WebKit::WebScrollbar* scroll
bar, WebKit::WebScrollbarThemePainter painter, WebKit::WebScrollbarThemeGeometry
* geometry) | |
| 149 { | |
| 150 return adoptPtr(new ScrollbarThumbPainter(scrollbar, painter, geometry))
; | |
| 151 } | |
| 152 | |
| 153 virtual void paint(SkCanvas* skCanvas, const IntRect& contentRect, FloatRect
& opaque) OVERRIDE | |
| 154 { | |
| 155 WebKit::WebCanvas* canvas = skCanvas; | |
| 156 | |
| 157 // Consider the thumb to be at the origin when painting. | |
| 158 WebRect thumbRect = m_geometry->thumbRect(m_scrollbar); | |
| 159 thumbRect.x = 0; | |
| 160 thumbRect.y = 0; | |
| 161 m_painter.paintThumb(canvas, thumbRect); | |
| 162 } | |
| 163 | |
| 164 private: | |
| 165 ScrollbarThumbPainter(WebKit::WebScrollbar* scrollbar, WebKit::WebScrollbarT
hemePainter painter, WebKit::WebScrollbarThemeGeometry* geometry) | |
| 166 : m_scrollbar(scrollbar) | |
| 167 , m_painter(painter) | |
| 168 , m_geometry(geometry) | |
| 169 { | |
| 170 } | |
| 171 | |
| 172 WebKit::WebScrollbar* m_scrollbar; | |
| 173 WebKit::WebScrollbarThemePainter m_painter; | |
| 174 WebKit::WebScrollbarThemeGeometry* m_geometry; | |
| 175 | |
| 176 DISALLOW_COPY_AND_ASSIGN(ScrollbarThumbPainter); | |
| 177 }; | |
| 178 | |
| 179 void ScrollbarLayerChromium::setLayerTreeHost(CCLayerTreeHost* host) | |
| 180 { | |
| 181 if (!host || host != layerTreeHost()) { | |
| 182 m_backTrackUpdater.clear(); | |
| 183 m_backTrack.clear(); | |
| 184 m_thumbUpdater.clear(); | |
| 185 m_thumb.clear(); | |
| 186 } | |
| 187 | |
| 188 LayerChromium::setLayerTreeHost(host); | |
| 189 } | |
| 190 | |
| 191 void ScrollbarLayerChromium::createTextureUpdaterIfNeeded() | |
| 192 { | |
| 193 m_textureFormat = layerTreeHost()->rendererCapabilities().bestTextureFormat; | |
| 194 | |
| 195 if (!m_backTrackUpdater) | |
| 196 m_backTrackUpdater = CachingBitmapCanvasLayerTextureUpdater::Create(Scro
llbarBackgroundPainter::create(m_scrollbar.get(), m_painter, m_geometry.get(), W
ebKit::WebScrollbar::BackTrackPart)); | |
| 197 if (!m_backTrack) | |
| 198 m_backTrack = m_backTrackUpdater->createTexture(layerTreeHost()->content
sTextureManager()); | |
| 199 | |
| 200 // Only create two-part track if we think the two parts could be different i
n appearance. | |
| 201 if (m_scrollbar->isCustomScrollbar()) { | |
| 202 if (!m_foreTrackUpdater) | |
| 203 m_foreTrackUpdater = CachingBitmapCanvasLayerTextureUpdater::Create(
ScrollbarBackgroundPainter::create(m_scrollbar.get(), m_painter, m_geometry.get(
), WebKit::WebScrollbar::ForwardTrackPart)); | |
| 204 if (!m_foreTrack) | |
| 205 m_foreTrack = m_foreTrackUpdater->createTexture(layerTreeHost()->con
tentsTextureManager()); | |
| 206 } | |
| 207 | |
| 208 if (!m_thumbUpdater) | |
| 209 m_thumbUpdater = CachingBitmapCanvasLayerTextureUpdater::Create(Scrollba
rThumbPainter::create(m_scrollbar.get(), m_painter, m_geometry.get())); | |
| 210 if (!m_thumb) | |
| 211 m_thumb = m_thumbUpdater->createTexture(layerTreeHost()->contentsTexture
Manager()); | |
| 212 } | |
| 213 | |
| 214 void ScrollbarLayerChromium::updatePart(CachingBitmapCanvasLayerTextureUpdater*
painter, LayerTextureUpdater::Texture* texture, const IntRect& rect, CCTextureUp
dateQueue& queue, CCRenderingStats& stats) | |
| 215 { | |
| 216 // Skip painting and uploading if there are no invalidations and | |
| 217 // we already have valid texture data. | |
| 218 if (texture->texture()->haveBackingTexture() | |
| 219 && texture->texture()->size() == rect.size() | |
| 220 && m_updateRect.isEmpty()) | |
| 221 return; | |
| 222 | |
| 223 // We should always have enough memory for UI. | |
| 224 ASSERT(texture->texture()->canAcquireBackingTexture()); | |
| 225 if (!texture->texture()->canAcquireBackingTexture()) | |
| 226 return; | |
| 227 | |
| 228 // Paint and upload the entire part. | |
| 229 float widthScale = static_cast<float>(contentBounds().width()) / bounds().wi
dth(); | |
| 230 float heightScale = static_cast<float>(contentBounds().height()) / bounds().
height(); | |
| 231 IntRect paintedOpaqueRect; | |
| 232 painter->prepareToUpdate(rect, rect.size(), widthScale, heightScale, painted
OpaqueRect, stats); | |
| 233 if (!painter->pixelsDidChange() && texture->texture()->haveBackingTexture())
{ | |
| 234 TRACE_EVENT_INSTANT0("cc","ScrollbarLayerChromium::updatePart no texture
upload needed"); | |
| 235 return; | |
| 236 } | |
| 237 | |
| 238 texture->prepareRect(rect, stats); | |
| 239 | |
| 240 IntSize destOffset(0, 0); | |
| 241 TextureUploader::Parameters upload = { texture, rect, destOffset }; | |
| 242 queue.appendFullUpload(upload); | |
| 243 } | |
| 244 | |
| 245 | |
| 246 void ScrollbarLayerChromium::setTexturePriorities(const CCPriorityCalculator&) | |
| 247 { | |
| 248 if (contentBounds().isEmpty()) | |
| 249 return; | |
| 250 | |
| 251 createTextureUpdaterIfNeeded(); | |
| 252 | |
| 253 bool drawsToRoot = !renderTarget()->parent(); | |
| 254 if (m_backTrack) { | |
| 255 m_backTrack->texture()->setDimensions(contentBounds(), m_textureFormat); | |
| 256 m_backTrack->texture()->setRequestPriority(CCPriorityCalculator::uiPrior
ity(drawsToRoot)); | |
| 257 } | |
| 258 if (m_foreTrack) { | |
| 259 m_foreTrack->texture()->setDimensions(contentBounds(), m_textureFormat); | |
| 260 m_foreTrack->texture()->setRequestPriority(CCPriorityCalculator::uiPrior
ity(drawsToRoot)); | |
| 261 } | |
| 262 if (m_thumb) { | |
| 263 IntSize thumbSize = layerRectToContentRect(m_geometry->thumbRect(m_scrol
lbar.get())).size(); | |
| 264 m_thumb->texture()->setDimensions(thumbSize, m_textureFormat); | |
| 265 m_thumb->texture()->setRequestPriority(CCPriorityCalculator::uiPriority(
drawsToRoot)); | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 void ScrollbarLayerChromium::update(CCTextureUpdateQueue& queue, const CCOcclusi
onTracker*, CCRenderingStats& stats) | |
| 270 { | |
| 271 if (contentBounds().isEmpty()) | |
| 272 return; | |
| 273 | |
| 274 createTextureUpdaterIfNeeded(); | |
| 275 | |
| 276 IntPoint scrollbarOrigin(m_scrollbar->location().x, m_scrollbar->location().
y); | |
| 277 IntRect contentRect = layerRectToContentRect(WebKit::WebRect(scrollbarOrigin
.x(), scrollbarOrigin.y(), bounds().width(), bounds().height())); | |
| 278 updatePart(m_backTrackUpdater.get(), m_backTrack.get(), contentRect, queue,
stats); | |
| 279 if (m_foreTrack && m_foreTrackUpdater) | |
| 280 updatePart(m_foreTrackUpdater.get(), m_foreTrack.get(), contentRect, que
ue, stats); | |
| 281 | |
| 282 // Consider the thumb to be at the origin when painting. | |
| 283 WebKit::WebRect thumbRect = m_geometry->thumbRect(m_scrollbar.get()); | |
| 284 IntRect originThumbRect = layerRectToContentRect(WebKit::WebRect(0, 0, thumb
Rect.width, thumbRect.height)); | |
| 285 if (!originThumbRect.isEmpty()) | |
| 286 updatePart(m_thumbUpdater.get(), m_thumb.get(), originThumbRect, queue,
stats); | |
| 287 } | |
| 288 | |
| 289 } | |
| 290 #endif // USE(ACCELERATED_COMPOSITING) | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 11122003:
[cc] Rename all cc/ filenames to Chromium style (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src