| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "config.h" |
| #include "platform/graphics/CompositingReasons.h" |
| |
| #include "wtf/StdLibExtras.h" |
| |
| namespace blink { |
| |
| const CompositingReasonStringMap kCompositingReasonStringMap[] = { |
| { CompositingReasonNone, |
| "Unknown", |
| "No reason given" }, |
| { CompositingReason3DTransform, |
| "transform3D", |
| "Has a 3d transform" }, |
| { CompositingReasonVideo, |
| "video", |
| "Is an accelerated video" }, |
| { CompositingReasonCanvas, |
| "canvas", |
| "Is an accelerated canvas, or is a display list backed canvas that was promoted to a layer based on a performance heuristic." }, |
| { CompositingReasonPlugin, |
| "plugin", |
| "Is an accelerated plugin" }, |
| { CompositingReasonIFrame, |
| "iFrame", |
| "Is an accelerated iFrame" }, |
| { CompositingReasonBackfaceVisibilityHidden, |
| "backfaceVisibilityHidden", |
| "Has backface-visibility: hidden" }, |
| { CompositingReasonActiveAnimation, |
| "activeAnimation", |
| "Has an active accelerated animation or transition" }, |
| { CompositingReasonTransitionProperty, |
| "transitionProperty", |
| "Has an acceleratable transition property (active or inactive)" }, |
| { CompositingReasonPositionFixed, |
| "positionFixed", |
| "Is fixed position" }, |
| { CompositingReasonOverflowScrollingTouch, |
| "overflowScrollingTouch", |
| "Is a scrollable overflow element" }, |
| { CompositingReasonOverflowScrollingParent, |
| "overflowScrollingParent", |
| "Scroll parent is not an ancestor" }, |
| { CompositingReasonOutOfFlowClipping, |
| "outOfFlowClipping", |
| "Has clipping ancestor" }, |
| { CompositingReasonVideoOverlay, |
| "videoOverlay", |
| "Is overlay controls for video" }, |
| { CompositingReasonWillChangeCompositingHint, |
| "willChange", |
| "Has a will-change compositing hint" }, |
| { CompositingReasonCompositorProxy, |
| "compositorProxy", |
| "Has a CompositorProxy object" }, |
| { CompositingReasonAssumedOverlap, |
| "assumedOverlap", |
| "Might overlap other composited content" }, |
| { CompositingReasonOverlap, |
| "overlap", |
| "Overlaps other composited content" }, |
| { CompositingReasonNegativeZIndexChildren, |
| "negativeZIndexChildren", |
| "Parent with composited negative z-index content" }, |
| { CompositingReasonScrollsWithRespectToSquashingLayer, |
| "scrollsWithRespectToSquashingLayer", |
| "Cannot be squashed since this layer scrolls with respect to the squashing layer" }, |
| { CompositingReasonSquashingSparsityExceeded, |
| "squashingSparsityExceeded", |
| "Cannot be squashed as the squashing layer would become too sparse" }, |
| { CompositingReasonSquashingClippingContainerMismatch, |
| "squashingClippingContainerMismatch", |
| "Cannot be squashed because this layer has a different clipping container than the squashing layer" }, |
| { CompositingReasonSquashingOpacityAncestorMismatch, |
| "squashingOpacityAncestorMismatch", |
| "Cannot be squashed because this layer has a different opacity ancestor than the squashing layer" }, |
| { CompositingReasonSquashingTransformAncestorMismatch, |
| "squashingTransformAncestorMismatch", |
| "Cannot be squashed because this layer has a different transform ancestor than the squashing layer" }, |
| { CompositingReasonSquashingFilterMismatch, |
| "squashingFilterAncestorMismatch", |
| "Cannot be squashed because this layer has a different filter ancestor than the squashing layer, or this layer has a filter" }, |
| { CompositingReasonSquashingWouldBreakPaintOrder, |
| "squashingWouldBreakPaintOrder", |
| "Cannot be squashed without breaking paint order" }, |
| { CompositingReasonSquashingVideoIsDisallowed, |
| "squashingVideoIsDisallowed", |
| "Squashing video is not supported" }, |
| { CompositingReasonSquashedLayerClipsCompositingDescendants, |
| "squashedLayerClipsCompositingDescendants", |
| "Squashing a layer that clips composited descendants is not supported." }, |
| { CompositingReasonSquashingLayoutPartIsDisallowed, |
| "squashingLayoutPartIsDisallowed", |
| "Squashing a frame, iframe or plugin is not supported." }, |
| { CompositingReasonSquashingReflectionIsDisallowed, |
| "squashingReflectionDisallowed", |
| "Squashing a element with a reflection is not supported." }, |
| { CompositingReasonSquashingBlendingIsDisallowed, |
| "squashingBlendingDisallowed", |
| "Squashing a layer with blending is not supported." }, |
| { CompositingReasonSquashingPositionFixedIsDisallowed, |
| "squashingFixedPositionDisallowed", |
| "Squashing a layer with fixed position is not supported." }, |
| { CompositingReasonScrollChildWithCompositedDescendants, |
| "scrollChildWithCompositedDescendants", |
| "Squashing a scroll child with composited descendants is not supported." }, |
| { CompositingReasonTransformWithCompositedDescendants, |
| "transformWithCompositedDescendants", |
| "Has a transform that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonOpacityWithCompositedDescendants, |
| "opacityWithCompositedDescendants", |
| "Has opacity that needs to be applied by compositor because of composited descendants" }, |
| { CompositingReasonMaskWithCompositedDescendants, |
| "maskWithCompositedDescendants", |
| "Has a mask that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonReflectionWithCompositedDescendants, |
| "reflectionWithCompositedDescendants", |
| "Has a reflection that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonFilterWithCompositedDescendants, |
| "filterWithCompositedDescendants", |
| "Has a filter effect that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonBlendingWithCompositedDescendants, |
| "blendingWithCompositedDescendants", |
| "Has a blenidng effect that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonClipsCompositingDescendants, |
| "clipsCompositingDescendants", |
| "Has a clip that needs to be known by compositor because of composited descendants" }, |
| { CompositingReasonPerspectiveWith3DDescendants, |
| "perspectiveWith3DDescendants", |
| "Has a perspective transform that needs to be known by compositor because of 3d descendants" }, |
| { CompositingReasonPreserve3DWith3DDescendants, |
| "preserve3DWith3DDescendants", |
| "Has a preserves-3d property that needs to be known by compositor because of 3d descendants" }, |
| { CompositingReasonReflectionOfCompositedParent, |
| "reflectionOfCompositedParent", |
| "Is a reflection of a composited layer" }, |
| { CompositingReasonIsolateCompositedDescendants, |
| "isolateCompositedDescendants", |
| "Should isolate descendants to apply a blend effect" }, |
| { CompositingReasonRoot, |
| "root", |
| "Is the root layer" }, |
| { CompositingReasonLayerForAncestorClip, |
| "layerForAncestorClip", |
| "Secondary layer, applies a clip due to a sibling in the compositing tree" }, |
| { CompositingReasonLayerForDescendantClip, |
| "layerForDescendantClip", |
| "Secondary layer, to clip descendants of the owning layer" }, |
| { CompositingReasonLayerForPerspective, |
| "layerForPerspective", |
| "Secondary layer, to house the perspective transform for all descendants" }, |
| { CompositingReasonLayerForHorizontalScrollbar, |
| "layerForHorizontalScrollbar", |
| "Secondary layer, the horizontal scrollbar layer" }, |
| { CompositingReasonLayerForVerticalScrollbar, |
| "layerForVerticalScrollbar", |
| "Secondary layer, the vertical scrollbar layer" }, |
| { CompositingReasonLayerForOverflowControlsHost, |
| "layerForOverflowControlsHost", |
| "Secondary layer, the overflow controls host layer" }, |
| { CompositingReasonLayerForScrollCorner, |
| "layerForScrollCorner", |
| "Secondary layer, the scroll corner layer" }, |
| { CompositingReasonLayerForScrollingContents, |
| "layerForScrollingContents", |
| "Secondary layer, to house contents that can be scrolled" }, |
| { CompositingReasonLayerForScrollingContainer, |
| "layerForScrollingContainer", |
| "Secondary layer, used to position the scolling contents while scrolling" }, |
| { CompositingReasonLayerForSquashingContents, |
| "layerForSquashingContents", |
| "Secondary layer, home for a group of squashable content" }, |
| { CompositingReasonLayerForSquashingContainer, |
| "layerForSquashingContainer", |
| "Secondary layer, no-op layer to place the squashing layer correctly in the composited layer tree" }, |
| { CompositingReasonLayerForForeground, |
| "layerForForeground", |
| "Secondary layer, to contain any normal flow and positive z-index contents on top of a negative z-index layer" }, |
| { CompositingReasonLayerForBackground, |
| "layerForBackground", |
| "Secondary layer, to contain acceleratable background content" }, |
| { CompositingReasonLayerForMask, |
| "layerForMask", |
| "Secondary layer, to contain the mask contents" }, |
| { CompositingReasonLayerForClippingMask, |
| "layerForClippingMask", |
| "Secondary layer, for clipping mask" }, |
| { CompositingReasonLayerForScrollingBlockSelection, |
| "layerForScrollingBlockSelection", |
| "Secondary layer, to house block selection gaps for composited scrolling with no scrolling contents" }, |
| { CompositingReasonInlineTransform, |
| "inlineTransform", |
| "Has an inline transform, which causes subsequent layers to assume overlap" }, |
| }; |
| |
| size_t kNumberOfCompositingReasons = WTF_ARRAY_LENGTH(kCompositingReasonStringMap); |
| |
| } // namespace blink |
