| // 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 "platform/graphics/paint/DisplayItem.h" |
| |
| namespace blink { |
| |
| struct SameSizeAsDisplayItem { |
| virtual ~SameSizeAsDisplayItem() { } // Allocate vtable pointer. |
| void* pointer; |
| int ints[2]; // Make sure other fields are packed into two ints. |
| #ifndef NDEBUG |
| WTF::String m_debugString; |
| #endif |
| }; |
| static_assert(sizeof(DisplayItem) == sizeof(SameSizeAsDisplayItem), "DisplayItem should stay small"); |
| |
| #ifndef NDEBUG |
| |
| static WTF::String paintPhaseAsDebugString(int paintPhase) |
| { |
| // Must be kept in sync with PaintPhase. |
| switch (paintPhase) { |
| case 0: return "PaintPhaseBlockBackground"; |
| case 1: return "PaintPhaseSelfBlockBackground"; |
| case 2: return "PaintPhaseChildBlockBackgrounds"; |
| case 3: return "PaintPhaseFloat"; |
| case 4: return "PaintPhaseForeground"; |
| case 5: return "PaintPhaseOutline"; |
| case 6: return "PaintPhaseSelfOutline"; |
| case 7: return "PaintPhaseChildOutlines"; |
| case 8: return "PaintPhaseSelection"; |
| case 9: return "PaintPhaseTextClip"; |
| case 10: return "PaintPhaseMask"; |
| case DisplayItem::PaintPhaseMax: return "PaintPhaseClippingMask"; |
| default: |
| ASSERT_NOT_REACHED(); |
| return "Unknown"; |
| } |
| } |
| |
| #define PAINT_PHASE_BASED_DEBUG_STRINGS(Category) \ |
| if (type >= DisplayItem::Category##PaintPhaseFirst && type <= DisplayItem::Category##PaintPhaseLast) \ |
| return #Category + paintPhaseAsDebugString(type - DisplayItem::Category##PaintPhaseFirst); |
| |
| #define DEBUG_STRING_CASE(DisplayItemName) \ |
| case DisplayItem::DisplayItemName: return #DisplayItemName |
| |
| #define DEFAULT_CASE default: ASSERT_NOT_REACHED(); return "Unknown" |
| |
| static WTF::String specialDrawingTypeAsDebugString(DisplayItem::Type type) |
| { |
| if (type >= DisplayItem::TableCollapsedBorderUnalignedBase) { |
| if (type <= DisplayItem::TableCollapsedBorderBase) |
| return "TableCollapsedBorderAlignment"; |
| if (type <= DisplayItem::TableCollapsedBorderLast) { |
| StringBuilder sb; |
| sb.append("TableCollapsedBorder"); |
| if (type & DisplayItem::TableCollapsedBorderTop) |
| sb.append("Top"); |
| if (type & DisplayItem::TableCollapsedBorderRight) |
| sb.append("Right"); |
| if (type & DisplayItem::TableCollapsedBorderBottom) |
| sb.append("Bottom"); |
| if (type & DisplayItem::TableCollapsedBorderLeft) |
| sb.append("Left"); |
| return sb.toString(); |
| } |
| } |
| switch (type) { |
| DEBUG_STRING_CASE(BoxDecorationBackground); |
| DEBUG_STRING_CASE(Caret); |
| DEBUG_STRING_CASE(ColumnRules); |
| DEBUG_STRING_CASE(DebugRedFill); |
| DEBUG_STRING_CASE(DocumentBackground); |
| DEBUG_STRING_CASE(DragImage); |
| DEBUG_STRING_CASE(SVGImage); |
| DEBUG_STRING_CASE(LinkHighlight); |
| DEBUG_STRING_CASE(ImageAreaFocusRing); |
| DEBUG_STRING_CASE(PageOverlay); |
| DEBUG_STRING_CASE(PageWidgetDelegateBackgroundFallback); |
| DEBUG_STRING_CASE(PopupContainerBorder); |
| DEBUG_STRING_CASE(PopupListBoxBackground); |
| DEBUG_STRING_CASE(PopupListBoxRow); |
| DEBUG_STRING_CASE(PrintedContentBackground); |
| DEBUG_STRING_CASE(PrintedContentDestinationLocations); |
| DEBUG_STRING_CASE(PrintedContentLineBoundary); |
| DEBUG_STRING_CASE(PrintedContentPDFURLRect); |
| DEBUG_STRING_CASE(Resizer); |
| DEBUG_STRING_CASE(SVGClip); |
| DEBUG_STRING_CASE(SVGFilter); |
| DEBUG_STRING_CASE(SVGMask); |
| DEBUG_STRING_CASE(ScrollbarBackButtonEnd); |
| DEBUG_STRING_CASE(ScrollbarBackButtonStart); |
| DEBUG_STRING_CASE(ScrollbarBackground); |
| DEBUG_STRING_CASE(ScrollbarBackTrack); |
| DEBUG_STRING_CASE(ScrollbarCorner); |
| DEBUG_STRING_CASE(ScrollbarForwardButtonEnd); |
| DEBUG_STRING_CASE(ScrollbarForwardButtonStart); |
| DEBUG_STRING_CASE(ScrollbarForwardTrack); |
| DEBUG_STRING_CASE(ScrollbarThumb); |
| DEBUG_STRING_CASE(ScrollbarTickmarks); |
| DEBUG_STRING_CASE(ScrollbarTrackBackground); |
| DEBUG_STRING_CASE(ScrollbarCompositedScrollbar); |
| DEBUG_STRING_CASE(SelectionTint); |
| DEBUG_STRING_CASE(TableCellBackgroundFromColumnGroup); |
| DEBUG_STRING_CASE(TableCellBackgroundFromColumn); |
| DEBUG_STRING_CASE(TableCellBackgroundFromSection); |
| DEBUG_STRING_CASE(TableCellBackgroundFromRow); |
| DEBUG_STRING_CASE(VideoBitmap); |
| DEBUG_STRING_CASE(WebPlugin); |
| DEBUG_STRING_CASE(WebFont); |
| DEBUG_STRING_CASE(ReflectionMask); |
| |
| DEFAULT_CASE; |
| } |
| } |
| |
| static WTF::String drawingTypeAsDebugString(DisplayItem::Type type) |
| { |
| PAINT_PHASE_BASED_DEBUG_STRINGS(Drawing); |
| return "Drawing" + specialDrawingTypeAsDebugString(type); |
| } |
| |
| static String foreignLayerTypeAsDebugString(DisplayItem::Type type) |
| { |
| switch (type) { |
| DEBUG_STRING_CASE(ForeignLayerPlugin); |
| DEFAULT_CASE; |
| } |
| } |
| |
| static WTF::String clipTypeAsDebugString(DisplayItem::Type type) |
| { |
| PAINT_PHASE_BASED_DEBUG_STRINGS(ClipBox); |
| PAINT_PHASE_BASED_DEBUG_STRINGS(ClipColumnBounds); |
| PAINT_PHASE_BASED_DEBUG_STRINGS(ClipLayerFragment); |
| |
| switch (type) { |
| DEBUG_STRING_CASE(ClipFileUploadControlRect); |
| DEBUG_STRING_CASE(ClipFrameToVisibleContentRect); |
| DEBUG_STRING_CASE(ClipFrameScrollbars); |
| DEBUG_STRING_CASE(ClipLayerBackground); |
| DEBUG_STRING_CASE(ClipLayerColumnBounds); |
| DEBUG_STRING_CASE(ClipLayerFilter); |
| DEBUG_STRING_CASE(ClipLayerForeground); |
| DEBUG_STRING_CASE(ClipLayerParent); |
| DEBUG_STRING_CASE(ClipLayerOverflowControls); |
| DEBUG_STRING_CASE(ClipNodeImage); |
| DEBUG_STRING_CASE(ClipPopupListBoxFrame); |
| DEBUG_STRING_CASE(ClipScrollbarsToBoxBounds); |
| DEBUG_STRING_CASE(ClipSelectionImage); |
| DEBUG_STRING_CASE(PageWidgetDelegateClip); |
| DEBUG_STRING_CASE(ClipPrintedPage); |
| DEFAULT_CASE; |
| } |
| } |
| |
| static String scrollTypeAsDebugString(DisplayItem::Type type) |
| { |
| PAINT_PHASE_BASED_DEBUG_STRINGS(Scroll); |
| switch (type) { |
| DEBUG_STRING_CASE(ScrollOverflowControls); |
| DEFAULT_CASE; |
| } |
| } |
| |
| static String transform3DTypeAsDebugString(DisplayItem::Type type) |
| { |
| switch (type) { |
| DEBUG_STRING_CASE(Transform3DElementTransform); |
| DEFAULT_CASE; |
| } |
| } |
| |
| WTF::String DisplayItem::typeAsDebugString(Type type) |
| { |
| if (isDrawingType(type)) |
| return drawingTypeAsDebugString(type); |
| if (isCachedDrawingType(type)) |
| return "Cached" + drawingTypeAsDebugString(cachedDrawingTypeToDrawingType(type)); |
| |
| if (isForeignLayerType(type)) |
| return foreignLayerTypeAsDebugString(type); |
| |
| if (isClipType(type)) |
| return clipTypeAsDebugString(type); |
| if (isEndClipType(type)) |
| return "End" + clipTypeAsDebugString(endClipTypeToClipType(type)); |
| |
| if (type == UninitializedType) |
| return "UninitializedType"; |
| |
| PAINT_PHASE_BASED_DEBUG_STRINGS(FloatClip); |
| if (isEndFloatClipType(type)) |
| return "End" + typeAsDebugString(endFloatClipTypeToFloatClipType(type)); |
| |
| if (isScrollType(type)) |
| return scrollTypeAsDebugString(type); |
| if (isEndScrollType(type)) |
| return "End" + scrollTypeAsDebugString(endScrollTypeToScrollType(type)); |
| |
| if (isTransform3DType(type)) |
| return transform3DTypeAsDebugString(type); |
| if (isEndTransform3DType(type)) |
| return "End" + transform3DTypeAsDebugString(endTransform3DTypeToTransform3DType(type)); |
| |
| switch (type) { |
| DEBUG_STRING_CASE(BeginFilter); |
| DEBUG_STRING_CASE(EndFilter); |
| DEBUG_STRING_CASE(BeginCompositing); |
| DEBUG_STRING_CASE(EndCompositing); |
| DEBUG_STRING_CASE(BeginTransform); |
| DEBUG_STRING_CASE(EndTransform); |
| DEBUG_STRING_CASE(BeginClipPath); |
| DEBUG_STRING_CASE(EndClipPath); |
| DEBUG_STRING_CASE(Subsequence); |
| DEBUG_STRING_CASE(EndSubsequence); |
| DEBUG_STRING_CASE(CachedSubsequence); |
| DEBUG_STRING_CASE(UninitializedType); |
| DEFAULT_CASE; |
| } |
| } |
| |
| WTF::String DisplayItem::asDebugString() const |
| { |
| WTF::StringBuilder stringBuilder; |
| stringBuilder.append('{'); |
| dumpPropertiesAsDebugString(stringBuilder); |
| stringBuilder.append('}'); |
| return stringBuilder.toString(); |
| } |
| |
| void DisplayItem::dumpPropertiesAsDebugString(WTF::StringBuilder& stringBuilder) const |
| { |
| if (!hasValidClient()) { |
| stringBuilder.append("validClient: false, originalDebugString: "); |
| // This is the original debug string which is in json format. |
| stringBuilder.append(clientDebugString()); |
| return; |
| } |
| |
| stringBuilder.append(String::format("client: \"%p", &client())); |
| if (!clientDebugString().isEmpty()) { |
| stringBuilder.append(' '); |
| stringBuilder.append(clientDebugString()); |
| } |
| stringBuilder.append("\", type: \""); |
| stringBuilder.append(typeAsDebugString(getType())); |
| stringBuilder.append('"'); |
| if (m_skippedCache) |
| stringBuilder.append(", skippedCache: true"); |
| if (m_scope) |
| stringBuilder.append(String::format(", scope: %d", m_scope)); |
| } |
| |
| #endif |
| |
| } // namespace blink |
