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comparison: gfx/layers/composite/AsyncCompositionManager.cpp
gfx/layers/composite/AsyncCompositionManager.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set sw=2 ts=2 et tw=80 : */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "mozilla/layers/AsyncCompositionManager.h" | |
| 8 #include <stdint.h> // for uint32_t | |
| 9 #include "AnimationCommon.h" // for ComputedTimingFunction | |
| 10 #include "CompositorParent.h" // for CompositorParent, etc | |
| 11 #include "FrameMetrics.h" // for FrameMetrics | |
| 12 #include "LayerManagerComposite.h" // for LayerManagerComposite, etc | |
| 13 #include "Layers.h" // for Layer, ContainerLayer, etc | |
| 14 #include "gfxPoint.h" // for gfxPoint, gfxSize | |
| 15 #include "gfxPoint3D.h" // for gfxPoint3D | |
| 16 #include "mozilla/WidgetUtils.h" // for ComputeTransformForRotation | |
| 17 #include "mozilla/gfx/BaseRect.h" // for BaseRect | |
| 18 #include "mozilla/gfx/Point.h" // for RoundedToInt, PointTyped | |
| 19 #include "mozilla/gfx/Rect.h" // for RoundedToInt, RectTyped | |
| 20 #include "mozilla/gfx/ScaleFactor.h" // for ScaleFactor | |
| 21 #include "mozilla/layers/AsyncPanZoomController.h" | |
| 22 #include "mozilla/layers/Compositor.h" // for Compositor | |
| 23 #include "nsAnimationManager.h" // for ElementAnimations | |
| 24 #include "nsCSSPropList.h" | |
| 25 #include "nsCoord.h" // for NSAppUnitsToFloatPixels, etc | |
| 26 #include "nsDebug.h" // for NS_ASSERTION, etc | |
| 27 #include "nsDeviceContext.h" // for nsDeviceContext | |
| 28 #include "nsDisplayList.h" // for nsDisplayTransform, etc | |
| 29 #include "nsMathUtils.h" // for NS_round | |
| 30 #include "nsPoint.h" // for nsPoint | |
| 31 #include "nsRect.h" // for nsIntRect | |
| 32 #include "nsRegion.h" // for nsIntRegion | |
| 33 #include "nsStyleAnimation.h" // for nsStyleAnimation::Value, etc | |
| 34 #include "nsTArray.h" // for nsTArray, nsTArray_Impl, etc | |
| 35 #include "nsTArrayForwardDeclare.h" // for InfallibleTArray | |
| 36 #if defined(MOZ_WIDGET_ANDROID) | |
| 37 # include <android/log.h> | |
| 38 # include "AndroidBridge.h" | |
| 39 #endif | |
| 40 #include "GeckoProfiler.h" | |
| 41 | |
| 42 struct nsCSSValueSharedList; | |
| 43 | |
| 44 using namespace mozilla::dom; | |
| 45 using namespace mozilla::gfx; | |
| 46 | |
| 47 namespace mozilla { | |
| 48 namespace layers { | |
| 49 | |
| 50 enum Op { Resolve, Detach }; | |
| 51 | |
| 52 static bool | |
| 53 IsSameDimension(ScreenOrientation o1, ScreenOrientation o2) | |
| 54 { | |
| 55 bool isO1portrait = (o1 == eScreenOrientation_PortraitPrimary || o1 == eScreenOrientation_PortraitSecondary); | |
| 56 bool isO2portrait = (o2 == eScreenOrientation_PortraitPrimary || o2 == eScreenOrientation_PortraitSecondary); | |
| 57 return !(isO1portrait ^ isO2portrait); | |
| 58 } | |
| 59 | |
| 60 static bool | |
| 61 ContentMightReflowOnOrientationChange(const nsIntRect& rect) | |
| 62 { | |
| 63 return rect.width != rect.height; | |
| 64 } | |
| 65 | |
| 66 template<Op OP> | |
| 67 static void | |
| 68 WalkTheTree(Layer* aLayer, | |
| 69 bool& aReady, | |
| 70 const TargetConfig& aTargetConfig) | |
| 71 { | |
| 72 if (RefLayer* ref = aLayer->AsRefLayer()) { | |
| 73 if (const CompositorParent::LayerTreeState* state = CompositorParent::GetIndirectShadowTree(ref->GetReferentId())) { | |
| 74 if (Layer* referent = state->mRoot) { | |
| 75 if (!ref->GetVisibleRegion().IsEmpty()) { | |
| 76 ScreenOrientation chromeOrientation = aTargetConfig.orientation(); | |
| 77 ScreenOrientation contentOrientation = state->mTargetConfig.orientation(); | |
| 78 if (!IsSameDimension(chromeOrientation, contentOrientation) && | |
| 79 ContentMightReflowOnOrientationChange(aTargetConfig.clientBounds())) { | |
| 80 aReady = false; | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 if (OP == Resolve) { | |
| 85 ref->ConnectReferentLayer(referent); | |
| 86 } else { | |
| 87 ref->DetachReferentLayer(referent); | |
| 88 } | |
| 89 } | |
| 90 } | |
| 91 } | |
| 92 for (Layer* child = aLayer->GetFirstChild(); | |
| 93 child; child = child->GetNextSibling()) { | |
| 94 WalkTheTree<OP>(child, aReady, aTargetConfig); | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 void | |
| 99 AsyncCompositionManager::ResolveRefLayers() | |
| 100 { | |
| 101 if (!mLayerManager->GetRoot()) { | |
| 102 return; | |
| 103 } | |
| 104 | |
| 105 mReadyForCompose = true; | |
| 106 WalkTheTree<Resolve>(mLayerManager->GetRoot(), | |
| 107 mReadyForCompose, | |
| 108 mTargetConfig); | |
| 109 } | |
| 110 | |
| 111 void | |
| 112 AsyncCompositionManager::DetachRefLayers() | |
| 113 { | |
| 114 if (!mLayerManager->GetRoot()) { | |
| 115 return; | |
| 116 } | |
| 117 WalkTheTree<Detach>(mLayerManager->GetRoot(), | |
| 118 mReadyForCompose, | |
| 119 mTargetConfig); | |
| 120 } | |
| 121 | |
| 122 void | |
| 123 AsyncCompositionManager::ComputeRotation() | |
| 124 { | |
| 125 if (!mTargetConfig.naturalBounds().IsEmpty()) { | |
| 126 mLayerManager->SetWorldTransform( | |
| 127 ComputeTransformForRotation(mTargetConfig.naturalBounds(), | |
| 128 mTargetConfig.rotation())); | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 static bool | |
| 133 GetBaseTransform2D(Layer* aLayer, Matrix* aTransform) | |
| 134 { | |
| 135 // Start with the animated transform if there is one | |
| 136 return (aLayer->AsLayerComposite()->GetShadowTransformSetByAnimation() ? | |
| 137 aLayer->GetLocalTransform() : aLayer->GetTransform()).Is2D(aTransform); | |
| 138 } | |
| 139 | |
| 140 static void | |
| 141 TranslateShadowLayer2D(Layer* aLayer, | |
| 142 const gfxPoint& aTranslation) | |
| 143 { | |
| 144 Matrix layerTransform; | |
| 145 if (!GetBaseTransform2D(aLayer, &layerTransform)) { | |
| 146 return; | |
| 147 } | |
| 148 | |
| 149 // Apply the 2D translation to the layer transform. | |
| 150 layerTransform._31 += aTranslation.x; | |
| 151 layerTransform._32 += aTranslation.y; | |
| 152 | |
| 153 // The transform already takes the resolution scale into account. Since we | |
| 154 // will apply the resolution scale again when computing the effective | |
| 155 // transform, we must apply the inverse resolution scale here. | |
| 156 Matrix4x4 layerTransform3D = Matrix4x4::From2D(layerTransform); | |
| 157 if (ContainerLayer* c = aLayer->AsContainerLayer()) { | |
| 158 layerTransform3D.Scale(1.0f/c->GetPreXScale(), | |
| 159 1.0f/c->GetPreYScale(), | |
| 160 1); | |
| 161 } | |
| 162 layerTransform3D = layerTransform3D * | |
| 163 Matrix4x4().Scale(1.0f/aLayer->GetPostXScale(), | |
| 164 1.0f/aLayer->GetPostYScale(), | |
| 165 1); | |
| 166 | |
| 167 LayerComposite* layerComposite = aLayer->AsLayerComposite(); | |
| 168 layerComposite->SetShadowTransform(layerTransform3D); | |
| 169 layerComposite->SetShadowTransformSetByAnimation(false); | |
| 170 | |
| 171 const nsIntRect* clipRect = aLayer->GetClipRect(); | |
| 172 if (clipRect) { | |
| 173 nsIntRect transformedClipRect(*clipRect); | |
| 174 transformedClipRect.MoveBy(aTranslation.x, aTranslation.y); | |
| 175 layerComposite->SetShadowClipRect(&transformedClipRect); | |
| 176 } | |
| 177 } | |
| 178 | |
| 179 static bool | |
| 180 AccumulateLayerTransforms2D(Layer* aLayer, | |
| 181 Layer* aAncestor, | |
| 182 Matrix& aMatrix) | |
| 183 { | |
| 184 // Accumulate the transforms between this layer and the subtree root layer. | |
| 185 for (Layer* l = aLayer; l && l != aAncestor; l = l->GetParent()) { | |
| 186 Matrix l2D; | |
| 187 if (!GetBaseTransform2D(l, &l2D)) { | |
| 188 return false; | |
| 189 } | |
| 190 aMatrix *= l2D; | |
| 191 } | |
| 192 | |
| 193 return true; | |
| 194 } | |
| 195 | |
| 196 static LayerPoint | |
| 197 GetLayerFixedMarginsOffset(Layer* aLayer, | |
| 198 const LayerMargin& aFixedLayerMargins) | |
| 199 { | |
| 200 // Work out the necessary translation, in root scrollable layer space. | |
| 201 // Because fixed layer margins are stored relative to the root scrollable | |
| 202 // layer, we can just take the difference between these values. | |
| 203 LayerPoint translation; | |
| 204 const LayerPoint& anchor = aLayer->GetFixedPositionAnchor(); | |
| 205 const LayerMargin& fixedMargins = aLayer->GetFixedPositionMargins(); | |
| 206 | |
| 207 if (fixedMargins.left >= 0) { | |
| 208 if (anchor.x > 0) { | |
| 209 translation.x -= aFixedLayerMargins.right - fixedMargins.right; | |
| 210 } else { | |
| 211 translation.x += aFixedLayerMargins.left - fixedMargins.left; | |
| 212 } | |
| 213 } | |
| 214 | |
| 215 if (fixedMargins.top >= 0) { | |
| 216 if (anchor.y > 0) { | |
| 217 translation.y -= aFixedLayerMargins.bottom - fixedMargins.bottom; | |
| 218 } else { | |
| 219 translation.y += aFixedLayerMargins.top - fixedMargins.top; | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 return translation; | |
| 224 } | |
| 225 | |
| 226 static gfxFloat | |
| 227 IntervalOverlap(gfxFloat aTranslation, gfxFloat aMin, gfxFloat aMax) | |
| 228 { | |
| 229 // Determine the amount of overlap between the 1D vector |aTranslation| | |
| 230 // and the interval [aMin, aMax]. | |
| 231 if (aTranslation > 0) { | |
| 232 return std::max(0.0, std::min(aMax, aTranslation) - std::max(aMin, 0.0)); | |
| 233 } else { | |
| 234 return std::min(0.0, std::max(aMin, aTranslation) - std::min(aMax, 0.0)); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 void | |
| 239 AsyncCompositionManager::AlignFixedAndStickyLayers(Layer* aLayer, | |
| 240 Layer* aTransformedSubtreeRoot, | |
| 241 const Matrix4x4& aPreviousTransformForRoot, | |
| 242 const LayerMargin& aFixedLayerMargins) | |
| 243 { | |
| 244 bool isRootFixed = aLayer->GetIsFixedPosition() && | |
| 245 !aLayer->GetParent()->GetIsFixedPosition(); | |
| 246 bool isStickyForSubtree = aLayer->GetIsStickyPosition() && | |
| 247 aTransformedSubtreeRoot->AsContainerLayer() && | |
| 248 aLayer->GetStickyScrollContainerId() == | |
| 249 aTransformedSubtreeRoot->AsContainerLayer()->GetFrameMetrics().GetScrollId(); | |
| 250 if (aLayer != aTransformedSubtreeRoot && (isRootFixed || isStickyForSubtree)) { | |
| 251 // Insert a translation so that the position of the anchor point is the same | |
| 252 // before and after the change to the transform of aTransformedSubtreeRoot. | |
| 253 // This currently only works for fixed layers with 2D transforms. | |
| 254 | |
| 255 // Accumulate the transforms between this layer and the subtree root layer. | |
| 256 Matrix ancestorTransform; | |
| 257 if (!AccumulateLayerTransforms2D(aLayer->GetParent(), aTransformedSubtreeRoot, | |
| 258 ancestorTransform)) { | |
| 259 return; | |
| 260 } | |
| 261 | |
| 262 Matrix oldRootTransform; | |
| 263 Matrix newRootTransform; | |
| 264 if (!aPreviousTransformForRoot.Is2D(&oldRootTransform) || | |
| 265 !aTransformedSubtreeRoot->GetLocalTransform().Is2D(&newRootTransform)) { | |
| 266 return; | |
| 267 } | |
| 268 | |
| 269 // Calculate the cumulative transforms between the subtree root with the | |
| 270 // old transform and the current transform. | |
| 271 Matrix oldCumulativeTransform = ancestorTransform * oldRootTransform; | |
| 272 Matrix newCumulativeTransform = ancestorTransform * newRootTransform; | |
| 273 if (newCumulativeTransform.IsSingular()) { | |
| 274 return; | |
| 275 } | |
| 276 Matrix newCumulativeTransformInverse = newCumulativeTransform; | |
| 277 newCumulativeTransformInverse.Invert(); | |
| 278 | |
| 279 // Now work out the translation necessary to make sure the layer doesn't | |
| 280 // move given the new sub-tree root transform. | |
| 281 Matrix layerTransform; | |
| 282 if (!GetBaseTransform2D(aLayer, &layerTransform)) { | |
| 283 return; | |
| 284 } | |
| 285 | |
| 286 // Calculate any offset necessary, in previous transform sub-tree root | |
| 287 // space. This is used to make sure fixed position content respects | |
| 288 // content document fixed position margins. | |
| 289 LayerPoint offsetInOldSubtreeLayerSpace = GetLayerFixedMarginsOffset(aLayer, aFixedLayerMargins); | |
| 290 | |
| 291 // Add the above offset to the anchor point so we can offset the layer by | |
| 292 // and amount that's specified in old subtree layer space. | |
| 293 const LayerPoint& anchorInOldSubtreeLayerSpace = aLayer->GetFixedPositionAnchor(); | |
| 294 LayerPoint offsetAnchorInOldSubtreeLayerSpace = anchorInOldSubtreeLayerSpace + offsetInOldSubtreeLayerSpace; | |
| 295 | |
| 296 // Add the local layer transform to the two points to make the equation | |
| 297 // below this section more convenient. | |
| 298 Point anchor(anchorInOldSubtreeLayerSpace.x, anchorInOldSubtreeLayerSpace.y); | |
| 299 Point offsetAnchor(offsetAnchorInOldSubtreeLayerSpace.x, offsetAnchorInOldSubtreeLayerSpace.y); | |
| 300 Point locallyTransformedAnchor = layerTransform * anchor; | |
| 301 Point locallyTransformedOffsetAnchor = layerTransform * offsetAnchor; | |
| 302 | |
| 303 // Transforming the locallyTransformedAnchor by oldCumulativeTransform | |
| 304 // returns the layer's anchor point relative to the parent of | |
| 305 // aTransformedSubtreeRoot, before the new transform was applied. | |
| 306 // Then, applying newCumulativeTransformInverse maps that point relative | |
| 307 // to the layer's parent, which is the same coordinate space as | |
| 308 // locallyTransformedAnchor again, allowing us to subtract them and find | |
| 309 // out the offset necessary to make sure the layer stays stationary. | |
| 310 Point oldAnchorPositionInNewSpace = | |
| 311 newCumulativeTransformInverse * (oldCumulativeTransform * locallyTransformedOffsetAnchor); | |
| 312 Point translation = oldAnchorPositionInNewSpace - locallyTransformedAnchor; | |
| 313 | |
| 314 if (aLayer->GetIsStickyPosition()) { | |
| 315 // For sticky positioned layers, the difference between the two rectangles | |
| 316 // defines a pair of translation intervals in each dimension through which | |
| 317 // the layer should not move relative to the scroll container. To | |
| 318 // accomplish this, we limit each dimension of the |translation| to that | |
| 319 // part of it which overlaps those intervals. | |
| 320 const LayerRect& stickyOuter = aLayer->GetStickyScrollRangeOuter(); | |
| 321 const LayerRect& stickyInner = aLayer->GetStickyScrollRangeInner(); | |
| 322 | |
| 323 translation.y = IntervalOverlap(translation.y, stickyOuter.y, stickyOuter.YMost()) - | |
| 324 IntervalOverlap(translation.y, stickyInner.y, stickyInner.YMost()); | |
| 325 translation.x = IntervalOverlap(translation.x, stickyOuter.x, stickyOuter.XMost()) - | |
| 326 IntervalOverlap(translation.x, stickyInner.x, stickyInner.XMost()); | |
| 327 } | |
| 328 | |
| 329 // Finally, apply the 2D translation to the layer transform. | |
| 330 TranslateShadowLayer2D(aLayer, ThebesPoint(translation)); | |
| 331 | |
| 332 // The transform has now been applied, so there's no need to iterate over | |
| 333 // child layers. | |
| 334 return; | |
| 335 } | |
| 336 | |
| 337 // Fixed layers are relative to their nearest scrollable layer, so when we | |
| 338 // encounter a scrollable layer, reset the transform to that layer and remove | |
| 339 // the fixed margins. | |
| 340 if (aLayer->AsContainerLayer() && | |
| 341 aLayer->AsContainerLayer()->GetFrameMetrics().IsScrollable() && | |
| 342 aLayer != aTransformedSubtreeRoot) { | |
| 343 AlignFixedAndStickyLayers(aLayer, aLayer, aLayer->GetTransform(), LayerMargin(0, 0, 0, 0)); | |
| 344 return; | |
| 345 } | |
| 346 | |
| 347 for (Layer* child = aLayer->GetFirstChild(); | |
| 348 child; child = child->GetNextSibling()) { | |
| 349 AlignFixedAndStickyLayers(child, aTransformedSubtreeRoot, | |
| 350 aPreviousTransformForRoot, aFixedLayerMargins); | |
| 351 } | |
| 352 } | |
| 353 | |
| 354 static void | |
| 355 SampleValue(float aPortion, Animation& aAnimation, nsStyleAnimation::Value& aStart, | |
| 356 nsStyleAnimation::Value& aEnd, Animatable* aValue) | |
| 357 { | |
| 358 nsStyleAnimation::Value interpolatedValue; | |
| 359 NS_ASSERTION(aStart.GetUnit() == aEnd.GetUnit() || | |
| 360 aStart.GetUnit() == nsStyleAnimation::eUnit_None || | |
| 361 aEnd.GetUnit() == nsStyleAnimation::eUnit_None, "Must have same unit"); | |
| 362 nsStyleAnimation::Interpolate(aAnimation.property(), aStart, aEnd, | |
| 363 aPortion, interpolatedValue); | |
| 364 if (aAnimation.property() == eCSSProperty_opacity) { | |
| 365 *aValue = interpolatedValue.GetFloatValue(); | |
| 366 return; | |
| 367 } | |
| 368 | |
| 369 nsCSSValueSharedList* interpolatedList = | |
| 370 interpolatedValue.GetCSSValueSharedListValue(); | |
| 371 | |
| 372 TransformData& data = aAnimation.data().get_TransformData(); | |
| 373 nsPoint origin = data.origin(); | |
| 374 // we expect all our transform data to arrive in css pixels, so here we must | |
| 375 // adjust to dev pixels. | |
| 376 double cssPerDev = double(nsDeviceContext::AppUnitsPerCSSPixel()) | |
| 377 / double(data.appUnitsPerDevPixel()); | |
| 378 gfxPoint3D transformOrigin = data.transformOrigin(); | |
| 379 transformOrigin.x = transformOrigin.x * cssPerDev; | |
| 380 transformOrigin.y = transformOrigin.y * cssPerDev; | |
| 381 gfxPoint3D perspectiveOrigin = data.perspectiveOrigin(); | |
| 382 perspectiveOrigin.x = perspectiveOrigin.x * cssPerDev; | |
| 383 perspectiveOrigin.y = perspectiveOrigin.y * cssPerDev; | |
| 384 nsDisplayTransform::FrameTransformProperties props(interpolatedList, | |
| 385 transformOrigin, | |
| 386 perspectiveOrigin, | |
| 387 data.perspective()); | |
| 388 gfx3DMatrix transform = | |
| 389 nsDisplayTransform::GetResultingTransformMatrix(props, origin, | |
| 390 data.appUnitsPerDevPixel(), | |
| 391 &data.bounds()); | |
| 392 gfxPoint3D scaledOrigin = | |
| 393 gfxPoint3D(NS_round(NSAppUnitsToFloatPixels(origin.x, data.appUnitsPerDevPixel())), | |
| 394 NS_round(NSAppUnitsToFloatPixels(origin.y, data.appUnitsPerDevPixel())), | |
| 395 0.0f); | |
| 396 | |
| 397 transform.Translate(scaledOrigin); | |
| 398 | |
| 399 InfallibleTArray<TransformFunction> functions; | |
| 400 Matrix4x4 realTransform; | |
| 401 ToMatrix4x4(transform, realTransform); | |
| 402 functions.AppendElement(TransformMatrix(realTransform)); | |
| 403 *aValue = functions; | |
| 404 } | |
| 405 | |
| 406 static bool | |
| 407 SampleAnimations(Layer* aLayer, TimeStamp aPoint) | |
| 408 { | |
| 409 AnimationArray& animations = aLayer->GetAnimations(); | |
| 410 InfallibleTArray<AnimData>& animationData = aLayer->GetAnimationData(); | |
| 411 | |
| 412 bool activeAnimations = false; | |
| 413 | |
| 414 for (uint32_t i = animations.Length(); i-- !=0; ) { | |
| 415 Animation& animation = animations[i]; | |
| 416 AnimData& animData = animationData[i]; | |
| 417 | |
| 418 activeAnimations = true; | |
| 419 | |
| 420 TimeDuration elapsedDuration = aPoint - animation.startTime(); | |
| 421 // Skip animations that are yet to start. | |
| 422 // | |
| 423 // Currently, this should only happen when the refresh driver is under test | |
| 424 // control and is made to produce a time in the past or is restored from | |
| 425 // test control causing it to jump backwards in time. | |
| 426 // | |
| 427 // Since activeAnimations is true, this could mean we keep compositing | |
| 428 // unnecessarily during the delay, but so long as this only happens while | |
| 429 // the refresh driver is under test control that should be ok. | |
| 430 if (elapsedDuration.ToSeconds() < 0) { | |
| 431 continue; | |
| 432 } | |
| 433 | |
| 434 double numIterations = animation.numIterations() != -1 ? | |
| 435 animation.numIterations() : NS_IEEEPositiveInfinity(); | |
| 436 double positionInIteration = | |
| 437 ElementAnimations::GetPositionInIteration(elapsedDuration, | |
| 438 animation.duration(), | |
| 439 numIterations, | |
| 440 animation.direction()); | |
| 441 | |
| 442 NS_ABORT_IF_FALSE(0.0 <= positionInIteration && | |
| 443 positionInIteration <= 1.0, | |
| 444 "position should be in [0-1]"); | |
| 445 | |
| 446 int segmentIndex = 0; | |
| 447 AnimationSegment* segment = animation.segments().Elements(); | |
| 448 while (segment->endPortion() < positionInIteration) { | |
| 449 ++segment; | |
| 450 ++segmentIndex; | |
| 451 } | |
| 452 | |
| 453 double positionInSegment = (positionInIteration - segment->startPortion()) / | |
| 454 (segment->endPortion() - segment->startPortion()); | |
| 455 | |
| 456 double portion = animData.mFunctions[segmentIndex]->GetValue(positionInSegment); | |
| 457 | |
| 458 // interpolate the property | |
| 459 Animatable interpolatedValue; | |
| 460 SampleValue(portion, animation, animData.mStartValues[segmentIndex], | |
| 461 animData.mEndValues[segmentIndex], &interpolatedValue); | |
| 462 LayerComposite* layerComposite = aLayer->AsLayerComposite(); | |
| 463 switch (animation.property()) { | |
| 464 case eCSSProperty_opacity: | |
| 465 { | |
| 466 layerComposite->SetShadowOpacity(interpolatedValue.get_float()); | |
| 467 break; | |
| 468 } | |
| 469 case eCSSProperty_transform: | |
| 470 { | |
| 471 Matrix4x4 matrix = interpolatedValue.get_ArrayOfTransformFunction()[0].get_TransformMatrix().value(); | |
| 472 if (ContainerLayer* c = aLayer->AsContainerLayer()) { | |
| 473 matrix = matrix * Matrix4x4().Scale(c->GetInheritedXScale(), | |
| 474 c->GetInheritedYScale(), | |
| 475 1); | |
| 476 } | |
| 477 layerComposite->SetShadowTransform(matrix); | |
| 478 layerComposite->SetShadowTransformSetByAnimation(true); | |
| 479 break; | |
| 480 } | |
| 481 default: | |
| 482 NS_WARNING("Unhandled animated property"); | |
| 483 } | |
| 484 } | |
| 485 | |
| 486 for (Layer* child = aLayer->GetFirstChild(); child; | |
| 487 child = child->GetNextSibling()) { | |
| 488 activeAnimations |= SampleAnimations(child, aPoint); | |
| 489 } | |
| 490 | |
| 491 return activeAnimations; | |
| 492 } | |
| 493 | |
| 494 bool | |
| 495 AsyncCompositionManager::ApplyAsyncContentTransformToTree(TimeStamp aCurrentFrame, | |
| 496 Layer *aLayer, | |
| 497 bool* aWantNextFrame) | |
| 498 { | |
| 499 bool appliedTransform = false; | |
| 500 for (Layer* child = aLayer->GetFirstChild(); | |
| 501 child; child = child->GetNextSibling()) { | |
| 502 appliedTransform |= | |
| 503 ApplyAsyncContentTransformToTree(aCurrentFrame, child, aWantNextFrame); | |
| 504 } | |
| 505 | |
| 506 ContainerLayer* container = aLayer->AsContainerLayer(); | |
| 507 if (!container) { | |
| 508 return appliedTransform; | |
| 509 } | |
| 510 | |
| 511 if (AsyncPanZoomController* controller = container->GetAsyncPanZoomController()) { | |
| 512 LayerComposite* layerComposite = aLayer->AsLayerComposite(); | |
| 513 Matrix4x4 oldTransform = aLayer->GetTransform(); | |
| 514 | |
| 515 ViewTransform treeTransform; | |
| 516 ScreenPoint scrollOffset; | |
| 517 *aWantNextFrame |= | |
| 518 controller->SampleContentTransformForFrame(aCurrentFrame, | |
| 519 &treeTransform, | |
| 520 scrollOffset); | |
| 521 | |
| 522 const FrameMetrics& metrics = container->GetFrameMetrics(); | |
| 523 CSSToLayerScale paintScale = metrics.LayersPixelsPerCSSPixel(); | |
| 524 CSSRect displayPort(metrics.mCriticalDisplayPort.IsEmpty() ? | |
| 525 metrics.mDisplayPort : metrics.mCriticalDisplayPort); | |
| 526 LayerMargin fixedLayerMargins(0, 0, 0, 0); | |
| 527 ScreenPoint offset(0, 0); | |
| 528 SyncFrameMetrics(scrollOffset, treeTransform.mScale.scale, metrics.mScrollableRect, | |
| 529 mLayersUpdated, displayPort, paintScale, | |
| 530 mIsFirstPaint, fixedLayerMargins, offset); | |
| 531 | |
| 532 mIsFirstPaint = false; | |
| 533 mLayersUpdated = false; | |
| 534 | |
| 535 // Apply the render offset | |
| 536 mLayerManager->GetCompositor()->SetScreenRenderOffset(offset); | |
| 537 | |
| 538 Matrix4x4 transform; | |
| 539 ToMatrix4x4(gfx3DMatrix(treeTransform), transform); | |
| 540 transform = transform * aLayer->GetTransform(); | |
| 541 | |
| 542 // GetTransform already takes the pre- and post-scale into account. Since we | |
| 543 // will apply the pre- and post-scale again when computing the effective | |
| 544 // transform, we must apply the inverses here. | |
| 545 transform.Scale(1.0f/container->GetPreXScale(), | |
| 546 1.0f/container->GetPreYScale(), | |
| 547 1); | |
| 548 transform = transform * Matrix4x4().Scale(1.0f/aLayer->GetPostXScale(), | |
| 549 1.0f/aLayer->GetPostYScale(), | |
| 550 1); | |
| 551 layerComposite->SetShadowTransform(transform); | |
| 552 NS_ASSERTION(!layerComposite->GetShadowTransformSetByAnimation(), | |
| 553 "overwriting animated transform!"); | |
| 554 | |
| 555 // Apply resolution scaling to the old transform - the layer tree as it is | |
| 556 // doesn't have the necessary transform to display correctly. | |
| 557 LayoutDeviceToLayerScale resolution = metrics.mCumulativeResolution; | |
| 558 oldTransform.Scale(resolution.scale, resolution.scale, 1); | |
| 559 | |
| 560 AlignFixedAndStickyLayers(aLayer, aLayer, oldTransform, fixedLayerMargins); | |
| 561 | |
| 562 appliedTransform = true; | |
| 563 } | |
| 564 | |
| 565 if (container->GetScrollbarDirection() != Layer::NONE) { | |
| 566 ApplyAsyncTransformToScrollbar(aCurrentFrame, container); | |
| 567 } | |
| 568 return appliedTransform; | |
| 569 } | |
| 570 | |
| 571 static bool | |
| 572 LayerHasNonContainerDescendants(ContainerLayer* aContainer) | |
| 573 { | |
| 574 for (Layer* child = aContainer->GetFirstChild(); | |
| 575 child; child = child->GetNextSibling()) { | |
| 576 ContainerLayer* container = child->AsContainerLayer(); | |
| 577 if (!container || LayerHasNonContainerDescendants(container)) { | |
| 578 return true; | |
| 579 } | |
| 580 } | |
| 581 | |
| 582 return false; | |
| 583 } | |
| 584 | |
| 585 static bool | |
| 586 LayerIsContainerForScrollbarTarget(Layer* aTarget, ContainerLayer* aScrollbar) | |
| 587 { | |
| 588 if (!aTarget->AsContainerLayer()) { | |
| 589 return false; | |
| 590 } | |
| 591 AsyncPanZoomController* apzc = aTarget->AsContainerLayer()->GetAsyncPanZoomController(); | |
| 592 if (!apzc) { | |
| 593 return false; | |
| 594 } | |
| 595 const FrameMetrics& metrics = aTarget->AsContainerLayer()->GetFrameMetrics(); | |
| 596 if (metrics.GetScrollId() != aScrollbar->GetScrollbarTargetContainerId()) { | |
| 597 return false; | |
| 598 } | |
| 599 return true; | |
| 600 } | |
| 601 | |
| 602 static void | |
| 603 ApplyAsyncTransformToScrollbarForContent(TimeStamp aCurrentFrame, ContainerLayer* aScrollbar, | |
| 604 Layer* aContent, bool aScrollbarIsChild) | |
| 605 { | |
| 606 ContainerLayer* content = aContent->AsContainerLayer(); | |
| 607 if (!LayerHasNonContainerDescendants(content)) { | |
| 608 return; | |
| 609 } | |
| 610 | |
| 611 const FrameMetrics& metrics = content->GetFrameMetrics(); | |
| 612 AsyncPanZoomController* apzc = content->GetAsyncPanZoomController(); | |
| 613 | |
| 614 if (aScrollbarIsChild) { | |
| 615 // Because we try to apply the scrollbar transform before we apply the async transform on | |
| 616 // the actual content, we need to ensure that the APZC has updated any pending animations | |
| 617 // to the current frame timestamp before we extract the transforms from it. The code in this | |
| 618 // block accomplishes that and throws away the temp variables. | |
| 619 // TODO: it might be cleaner to do a pass through the layer tree to advance all the APZC | |
| 620 // transforms before updating the layer shadow transforms. That will allow removal of this code. | |
| 621 ViewTransform treeTransform; | |
| 622 ScreenPoint scrollOffset; | |
| 623 apzc->SampleContentTransformForFrame(aCurrentFrame, &treeTransform, scrollOffset); | |
| 624 } | |
| 625 | |
| 626 gfx3DMatrix asyncTransform = gfx3DMatrix(apzc->GetCurrentAsyncTransform()); | |
| 627 gfx3DMatrix nontransientTransform = apzc->GetNontransientAsyncTransform(); | |
| 628 gfx3DMatrix transientTransform = asyncTransform * nontransientTransform.Inverse(); | |
| 629 | |
| 630 // |transientTransform| represents the amount by which we have scrolled and | |
| 631 // zoomed since the last paint. Because the scrollbar was sized and positioned based | |
| 632 // on the painted content, we need to adjust it based on transientTransform so that | |
| 633 // it reflects what the user is actually seeing now. | |
| 634 // - The scroll thumb needs to be scaled in the direction of scrolling by the inverse | |
| 635 // of the transientTransform scale (representing the zoom). This is because zooming | |
| 636 // in decreases the fraction of the whole scrollable rect that is in view. | |
| 637 // - It needs to be translated in opposite direction of the transientTransform | |
| 638 // translation (representing the scroll). This is because scrolling down, which | |
| 639 // translates the layer content up, should result in moving the scroll thumb down. | |
| 640 // The amount of the translation to the scroll thumb should be such that the ratio | |
| 641 // of the translation to the size of the scroll port is the same as the ratio | |
| 642 // of the scroll amount to the size of the scrollable rect. | |
| 643 Matrix4x4 scrollbarTransform; | |
| 644 if (aScrollbar->GetScrollbarDirection() == Layer::VERTICAL) { | |
| 645 float scale = metrics.CalculateCompositedSizeInCssPixels().height / metrics.mScrollableRect.height; | |
| 646 scrollbarTransform = scrollbarTransform * Matrix4x4().Scale(1.f, 1.f / transientTransform.GetYScale(), 1.f); | |
| 647 scrollbarTransform = scrollbarTransform * Matrix4x4().Translate(0, -transientTransform._42 * scale, 0); | |
| 648 } | |
| 649 if (aScrollbar->GetScrollbarDirection() == Layer::HORIZONTAL) { | |
| 650 float scale = metrics.CalculateCompositedSizeInCssPixels().width / metrics.mScrollableRect.width; | |
| 651 scrollbarTransform = scrollbarTransform * Matrix4x4().Scale(1.f / transientTransform.GetXScale(), 1.f, 1.f); | |
| 652 scrollbarTransform = scrollbarTransform * Matrix4x4().Translate(-transientTransform._41 * scale, 0, 0); | |
| 653 } | |
| 654 | |
| 655 Matrix4x4 transform = scrollbarTransform * aScrollbar->GetTransform(); | |
| 656 | |
| 657 if (aScrollbarIsChild) { | |
| 658 // If the scrollbar layer is a child of the content it is a scrollbar for, then we | |
| 659 // need to do an extra untransform to cancel out the transient async transform on | |
| 660 // the content. This is needed because otherwise that transient async transform is | |
| 661 // part of the effective transform of this scrollbar, and the scrollbar will jitter | |
| 662 // as the content scrolls. | |
| 663 Matrix4x4 targetUntransform; | |
| 664 ToMatrix4x4(transientTransform.Inverse(), targetUntransform); | |
| 665 transform = transform * targetUntransform; | |
| 666 } | |
| 667 | |
| 668 // GetTransform already takes the pre- and post-scale into account. Since we | |
| 669 // will apply the pre- and post-scale again when computing the effective | |
| 670 // transform, we must apply the inverses here. | |
| 671 transform.Scale(1.0f/aScrollbar->GetPreXScale(), | |
| 672 1.0f/aScrollbar->GetPreYScale(), | |
| 673 1); | |
| 674 transform = transform * Matrix4x4().Scale(1.0f/aScrollbar->GetPostXScale(), | |
| 675 1.0f/aScrollbar->GetPostYScale(), | |
| 676 1); | |
| 677 aScrollbar->AsLayerComposite()->SetShadowTransform(transform); | |
| 678 } | |
| 679 | |
| 680 void | |
| 681 AsyncCompositionManager::ApplyAsyncTransformToScrollbar(TimeStamp aCurrentFrame, ContainerLayer* aLayer) | |
| 682 { | |
| 683 // If this layer corresponds to a scrollbar, then there should be a layer that | |
| 684 // is a previous sibling or a parent that has a matching ViewID on its FrameMetrics. | |
| 685 // That is the content that this scrollbar is for. We pick up the transient | |
| 686 // async transform from that layer and use it to update the scrollbar position. | |
| 687 // Note that it is possible that the content layer is no longer there; in | |
| 688 // this case we don't need to do anything because there can't be an async | |
| 689 // transform on the content. | |
| 690 // We only apply the transform if the scroll-target layer has non-container | |
| 691 // children (i.e. when it has some possibly-visible content). This is to | |
| 692 // avoid moving scroll-bars in the situation that only a scroll information | |
| 693 // layer has been built for a scroll frame, as this would result in a | |
| 694 // disparity between scrollbars and visible content. | |
| 695 for (Layer* scrollTarget = aLayer->GetPrevSibling(); | |
| 696 scrollTarget; | |
| 697 scrollTarget = scrollTarget->GetPrevSibling()) { | |
| 698 if (LayerIsContainerForScrollbarTarget(scrollTarget, aLayer)) { | |
| 699 // Found a sibling that matches our criteria | |
| 700 ApplyAsyncTransformToScrollbarForContent(aCurrentFrame, aLayer, scrollTarget, false); | |
| 701 return; | |
| 702 } | |
| 703 } | |
| 704 | |
| 705 // If we didn't find a sibling, look for a parent | |
| 706 Layer* scrollTarget = aLayer->GetParent(); | |
| 707 if (scrollTarget && LayerIsContainerForScrollbarTarget(scrollTarget, aLayer)) { | |
| 708 ApplyAsyncTransformToScrollbarForContent(aCurrentFrame, aLayer, scrollTarget, true); | |
| 709 } | |
| 710 } | |
| 711 | |
| 712 void | |
| 713 AsyncCompositionManager::TransformScrollableLayer(Layer* aLayer) | |
| 714 { | |
| 715 LayerComposite* layerComposite = aLayer->AsLayerComposite(); | |
| 716 ContainerLayer* container = aLayer->AsContainerLayer(); | |
| 717 | |
| 718 const FrameMetrics& metrics = container->GetFrameMetrics(); | |
| 719 // We must apply the resolution scale before a pan/zoom transform, so we call | |
| 720 // GetTransform here. | |
| 721 gfx3DMatrix currentTransform; | |
| 722 To3DMatrix(aLayer->GetTransform(), currentTransform); | |
| 723 Matrix4x4 oldTransform = aLayer->GetTransform(); | |
| 724 | |
| 725 gfx3DMatrix treeTransform; | |
| 726 | |
| 727 CSSToLayerScale geckoZoom = metrics.LayersPixelsPerCSSPixel(); | |
| 728 | |
| 729 LayerIntPoint scrollOffsetLayerPixels = RoundedToInt(metrics.GetScrollOffset() * geckoZoom); | |
| 730 | |
| 731 if (mIsFirstPaint) { | |
| 732 mContentRect = metrics.mScrollableRect; | |
| 733 SetFirstPaintViewport(scrollOffsetLayerPixels, | |
| 734 geckoZoom, | |
| 735 mContentRect); | |
| 736 mIsFirstPaint = false; | |
| 737 } else if (!metrics.mScrollableRect.IsEqualEdges(mContentRect)) { | |
| 738 mContentRect = metrics.mScrollableRect; | |
| 739 SetPageRect(mContentRect); | |
| 740 } | |
| 741 | |
| 742 // We synchronise the viewport information with Java after sending the above | |
| 743 // notifications, so that Java can take these into account in its response. | |
| 744 // Calculate the absolute display port to send to Java | |
| 745 LayerIntRect displayPort = RoundedToInt( | |
| 746 (metrics.mCriticalDisplayPort.IsEmpty() | |
| 747 ? metrics.mDisplayPort | |
| 748 : metrics.mCriticalDisplayPort | |
| 749 ) * geckoZoom); | |
| 750 displayPort += scrollOffsetLayerPixels; | |
| 751 | |
| 752 LayerMargin fixedLayerMargins(0, 0, 0, 0); | |
| 753 ScreenPoint offset(0, 0); | |
| 754 | |
| 755 // Ideally we would initialize userZoom to AsyncPanZoomController::CalculateResolution(metrics) | |
| 756 // but this causes a reftest-ipc test to fail (see bug 883646 comment 27). The reason for this | |
| 757 // appears to be that metrics.mZoom is poorly initialized in some scenarios. In these scenarios, | |
| 758 // however, we can assume there is no async zooming in progress and so the following statement | |
| 759 // works fine. | |
| 760 CSSToScreenScale userZoom(metrics.mDevPixelsPerCSSPixel * metrics.mCumulativeResolution * LayerToScreenScale(1)); | |
| 761 ScreenPoint userScroll = metrics.GetScrollOffset() * userZoom; | |
| 762 SyncViewportInfo(displayPort, geckoZoom, mLayersUpdated, | |
| 763 userScroll, userZoom, fixedLayerMargins, | |
| 764 offset); | |
| 765 mLayersUpdated = false; | |
| 766 | |
| 767 // Apply the render offset | |
| 768 mLayerManager->GetCompositor()->SetScreenRenderOffset(offset); | |
| 769 | |
| 770 // Handle transformations for asynchronous panning and zooming. We determine the | |
| 771 // zoom used by Gecko from the transformation set on the root layer, and we | |
| 772 // determine the scroll offset used by Gecko from the frame metrics of the | |
| 773 // primary scrollable layer. We compare this to the user zoom and scroll | |
| 774 // offset in the view transform we obtained from Java in order to compute the | |
| 775 // transformation we need to apply. | |
| 776 LayerToScreenScale zoomAdjust = userZoom / geckoZoom; | |
| 777 | |
| 778 LayerPoint geckoScroll(0, 0); | |
| 779 if (metrics.IsScrollable()) { | |
| 780 geckoScroll = metrics.GetScrollOffset() * geckoZoom; | |
| 781 } | |
| 782 | |
| 783 LayerPoint translation = (userScroll / zoomAdjust) - geckoScroll; | |
| 784 treeTransform = gfx3DMatrix(ViewTransform(-translation, | |
| 785 userZoom | |
| 786 / metrics.mDevPixelsPerCSSPixel | |
| 787 / metrics.GetParentResolution())); | |
| 788 | |
| 789 // The transform already takes the resolution scale into account. Since we | |
| 790 // will apply the resolution scale again when computing the effective | |
| 791 // transform, we must apply the inverse resolution scale here. | |
| 792 gfx3DMatrix computedTransform = treeTransform * currentTransform; | |
| 793 computedTransform.Scale(1.0f/container->GetPreXScale(), | |
| 794 1.0f/container->GetPreYScale(), | |
| 795 1); | |
| 796 computedTransform.ScalePost(1.0f/container->GetPostXScale(), | |
| 797 1.0f/container->GetPostYScale(), | |
| 798 1); | |
| 799 Matrix4x4 matrix; | |
| 800 ToMatrix4x4(computedTransform, matrix); | |
| 801 layerComposite->SetShadowTransform(matrix); | |
| 802 NS_ASSERTION(!layerComposite->GetShadowTransformSetByAnimation(), | |
| 803 "overwriting animated transform!"); | |
| 804 | |
| 805 // Apply resolution scaling to the old transform - the layer tree as it is | |
| 806 // doesn't have the necessary transform to display correctly. | |
| 807 oldTransform.Scale(metrics.mResolution.scale, metrics.mResolution.scale, 1); | |
| 808 | |
| 809 // Make sure that overscroll and under-zoom are represented in the old | |
| 810 // transform so that fixed position content moves and scales accordingly. | |
| 811 // These calculations will effectively scale and offset fixed position layers | |
| 812 // in screen space when the compensatory transform is performed in | |
| 813 // AlignFixedAndStickyLayers. | |
| 814 ScreenRect contentScreenRect = mContentRect * userZoom; | |
| 815 gfxPoint3D overscrollTranslation; | |
| 816 if (userScroll.x < contentScreenRect.x) { | |
| 817 overscrollTranslation.x = contentScreenRect.x - userScroll.x; | |
| 818 } else if (userScroll.x + metrics.mCompositionBounds.width > contentScreenRect.XMost()) { | |
| 819 overscrollTranslation.x = contentScreenRect.XMost() - | |
| 820 (userScroll.x + metrics.mCompositionBounds.width); | |
| 821 } | |
| 822 if (userScroll.y < contentScreenRect.y) { | |
| 823 overscrollTranslation.y = contentScreenRect.y - userScroll.y; | |
| 824 } else if (userScroll.y + metrics.mCompositionBounds.height > contentScreenRect.YMost()) { | |
| 825 overscrollTranslation.y = contentScreenRect.YMost() - | |
| 826 (userScroll.y + metrics.mCompositionBounds.height); | |
| 827 } | |
| 828 oldTransform.Translate(overscrollTranslation.x, | |
| 829 overscrollTranslation.y, | |
| 830 overscrollTranslation.z); | |
| 831 | |
| 832 gfx::Size underZoomScale(1.0f, 1.0f); | |
| 833 if (mContentRect.width * userZoom.scale < metrics.mCompositionBounds.width) { | |
| 834 underZoomScale.width = (mContentRect.width * userZoom.scale) / | |
| 835 metrics.mCompositionBounds.width; | |
| 836 } | |
| 837 if (mContentRect.height * userZoom.scale < metrics.mCompositionBounds.height) { | |
| 838 underZoomScale.height = (mContentRect.height * userZoom.scale) / | |
| 839 metrics.mCompositionBounds.height; | |
| 840 } | |
| 841 oldTransform.Scale(underZoomScale.width, underZoomScale.height, 1); | |
| 842 | |
| 843 // Make sure fixed position layers don't move away from their anchor points | |
| 844 // when we're asynchronously panning or zooming | |
| 845 AlignFixedAndStickyLayers(aLayer, aLayer, oldTransform, fixedLayerMargins); | |
| 846 } | |
| 847 | |
| 848 bool | |
| 849 AsyncCompositionManager::TransformShadowTree(TimeStamp aCurrentFrame) | |
| 850 { | |
| 851 PROFILER_LABEL("AsyncCompositionManager", "TransformShadowTree"); | |
| 852 Layer* root = mLayerManager->GetRoot(); | |
| 853 if (!root) { | |
| 854 return false; | |
| 855 } | |
| 856 | |
| 857 // NB: we must sample animations *before* sampling pan/zoom | |
| 858 // transforms. | |
| 859 bool wantNextFrame = SampleAnimations(root, aCurrentFrame); | |
| 860 | |
| 861 // FIXME/bug 775437: unify this interface with the ~native-fennec | |
| 862 // derived code | |
| 863 // | |
| 864 // Attempt to apply an async content transform to any layer that has | |
| 865 // an async pan zoom controller (which means that it is rendered | |
| 866 // async using Gecko). If this fails, fall back to transforming the | |
| 867 // primary scrollable layer. "Failing" here means that we don't | |
| 868 // find a frame that is async scrollable. Note that the fallback | |
| 869 // code also includes Fennec which is rendered async. Fennec uses | |
| 870 // its own platform-specific async rendering that is done partially | |
| 871 // in Gecko and partially in Java. | |
| 872 if (!ApplyAsyncContentTransformToTree(aCurrentFrame, root, &wantNextFrame)) { | |
| 873 nsAutoTArray<Layer*,1> scrollableLayers; | |
| 874 #ifdef MOZ_WIDGET_ANDROID | |
| 875 scrollableLayers.AppendElement(mLayerManager->GetPrimaryScrollableLayer()); | |
| 876 #else | |
| 877 mLayerManager->GetScrollableLayers(scrollableLayers); | |
| 878 #endif | |
| 879 | |
| 880 for (uint32_t i = 0; i < scrollableLayers.Length(); i++) { | |
| 881 if (scrollableLayers[i]) { | |
| 882 TransformScrollableLayer(scrollableLayers[i]); | |
| 883 } | |
| 884 } | |
| 885 } | |
| 886 | |
| 887 return wantNextFrame; | |
| 888 } | |
| 889 | |
| 890 void | |
| 891 AsyncCompositionManager::SetFirstPaintViewport(const LayerIntPoint& aOffset, | |
| 892 const CSSToLayerScale& aZoom, | |
| 893 const CSSRect& aCssPageRect) | |
| 894 { | |
| 895 #ifdef MOZ_WIDGET_ANDROID | |
| 896 AndroidBridge::Bridge()->SetFirstPaintViewport(aOffset, aZoom, aCssPageRect); | |
| 897 #endif | |
| 898 } | |
| 899 | |
| 900 void | |
| 901 AsyncCompositionManager::SetPageRect(const CSSRect& aCssPageRect) | |
| 902 { | |
| 903 #ifdef MOZ_WIDGET_ANDROID | |
| 904 AndroidBridge::Bridge()->SetPageRect(aCssPageRect); | |
| 905 #endif | |
| 906 } | |
| 907 | |
| 908 void | |
| 909 AsyncCompositionManager::SyncViewportInfo(const LayerIntRect& aDisplayPort, | |
| 910 const CSSToLayerScale& aDisplayResolution, | |
| 911 bool aLayersUpdated, | |
| 912 ScreenPoint& aScrollOffset, | |
| 913 CSSToScreenScale& aScale, | |
| 914 LayerMargin& aFixedLayerMargins, | |
| 915 ScreenPoint& aOffset) | |
| 916 { | |
| 917 #ifdef MOZ_WIDGET_ANDROID | |
| 918 AndroidBridge::Bridge()->SyncViewportInfo(aDisplayPort, | |
| 919 aDisplayResolution, | |
| 920 aLayersUpdated, | |
| 921 aScrollOffset, | |
| 922 aScale, | |
| 923 aFixedLayerMargins, | |
| 924 aOffset); | |
| 925 #endif | |
| 926 } | |
| 927 | |
| 928 void | |
| 929 AsyncCompositionManager::SyncFrameMetrics(const ScreenPoint& aScrollOffset, | |
| 930 float aZoom, | |
| 931 const CSSRect& aCssPageRect, | |
| 932 bool aLayersUpdated, | |
| 933 const CSSRect& aDisplayPort, | |
| 934 const CSSToLayerScale& aDisplayResolution, | |
| 935 bool aIsFirstPaint, | |
| 936 LayerMargin& aFixedLayerMargins, | |
| 937 ScreenPoint& aOffset) | |
| 938 { | |
| 939 #ifdef MOZ_WIDGET_ANDROID | |
| 940 AndroidBridge::Bridge()->SyncFrameMetrics(aScrollOffset, aZoom, aCssPageRect, | |
| 941 aLayersUpdated, aDisplayPort, | |
| 942 aDisplayResolution, aIsFirstPaint, | |
| 943 aFixedLayerMargins, aOffset); | |
| 944 #endif | |
| 945 } | |
| 946 | |
| 947 } // namespace layers | |
| 948 } // namespace mozilla |
