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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-12-01 06:20:05 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-12-01 06:20:05 +0100
commit0f001155aa004f1a6679f386d49f64306fb54ab1 (patch)
tree9d57fa8af755a84698e9ca6cef7e9b0cc21341ae /layout/base/nsDisplayList.h
parenta2a84fcb26e04d8d4280b0f9144fb8359e99b49e (diff)
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Issue #1308 - Create nsDisplayTableBackgroundColor to avoid display
list collisions when processing the background color of a table. This is effectively #146 Part 3c to go along with the other 2 there. This resolves #1308.
Diffstat (limited to 'layout/base/nsDisplayList.h')
-rw-r--r--layout/base/nsDisplayList.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/layout/base/nsDisplayList.h b/layout/base/nsDisplayList.h
index e9047b113..9cee7b517 100644
--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -3015,6 +3015,27 @@ protected:
mozilla::gfx::Color mColor;
};
+class nsDisplayTableBackgroundColor : public nsDisplayBackgroundColor
+{
+public:
+ nsDisplayTableBackgroundColor(nsDisplayListBuilder* aBuilder,
+ nsIFrame* aFrame,
+ const nsRect& aBackgroundRect,
+ const nsStyleBackground* aBackgroundStyle,
+ nscolor aColor,
+ nsIFrame* aAncestorFrame)
+ : nsDisplayBackgroundColor(aBuilder, aFrame, aBackgroundRect, aBackgroundStyle, aColor)
+ , mTableType(GetTableTypeFromFrame(aAncestorFrame))
+ { }
+
+ virtual uint32_t GetPerFrameKey() override {
+ return (static_cast<uint8_t>(mTableType) << nsDisplayItem::TYPE_BITS) |
+ nsDisplayItem::GetPerFrameKey();
+ }
+protected:
+ TableType mTableType;
+};
+
class nsDisplayClearBackground : public nsDisplayItem
{
public: