wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-08 08:48:39 +09:00
Code Issues Projects Releases Packages Wiki Activity

Issue #1355 - Avoid unnecessary work in nsIFrame::BuildDisplayListForStackingContext() and nsIFrame::BuildDisplayListForChild() and Cleanup DescendIntoChild

Browse source 
Bug 1441796 - Part 1: Optimize the (pseudo)-stacking context conditions

Bug 1441796 - Part 3: Reuse the results in nsIFrame::BuildDisplayListForStackingContext() for ChildrenHavePerspective(), IsTransformed(), and Combines3DTransformWithAncestors()

Bug 1512244 - Part 1: Cleanup DescendIntoChild
This commit is contained in:
win7-7 2020-05-08 00:52:23 +03:00 • committed by Roy Tam
commit da0e3a828b
3 changed files with 80 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

23
layout/base/nsDisplayList.cpp
View file

@ -1009,8 +1009,22 @@ nsDisplayListBuilder::EnterPresShell(nsIFrame* aReferenceFrame,
}
state->mInsidePointerEventsNoneDoc = pointerEventsNone;
if (!buildCaret)
state->mPresShellIgnoreScrollFrame =
state->mPresShell->IgnoringViewportScrolling()
? state->mPresShell->GetRootScrollFrame()
: nullptr;
nsPresContext* pc = aReferenceFrame->PresContext();
nsCOMPtr<nsIDocShell> docShell = pc->GetDocShell();
if (docShell) {
docShell->GetWindowDraggingAllowed(&mWindowDraggingAllowed);
}
mIsInChromePresContext = pc->IsChrome();
if (!buildCaret) {
return;
}
RefPtr<nsCaret> caret = state->mPresShell->GetCaret();
state->mCaretFrame = caret->GetPaintGeometry(&state->mCaretRect);
@ -1018,13 +1032,6 @@ nsDisplayListBuilder::EnterPresShell(nsIFrame* aReferenceFrame,
mFramesMarkedForDisplay.AppendElement(state->mCaretFrame);
MarkFrameForDisplay(state->mCaretFrame, nullptr);
}
nsPresContext* pc = aReferenceFrame->PresContext();
nsCOMPtr<nsIDocShell> docShell = pc->GetDocShell();
if (docShell) {
docShell->GetWindowDraggingAllowed(&mWindowDraggingAllowed);
}
mIsInChromePresContext = pc->IsChrome();
}
// A non-blank paint is a paint that does not just contain the canvas background.

14
layout/base/nsDisplayList.h
View file

@ -520,6 +520,14 @@ public:
* Get the caret associated with the current presshell.
*/
nsCaret* GetCaret();
/**
* Returns the root scroll frame for the current PresShell, if the PresShell
* is ignoring viewport scrolling.
*/
nsIFrame* GetPresShellIgnoreScrollFrame() {
return CurrentPresShellState()->mPresShellIgnoreScrollFrame;
}
/**
* Notify the display list builder that we're entering a presshell.
* aReferenceFrame should be a frame in the new presshell.
@ -805,10 +813,11 @@ public:
friend class AutoSaveRestorePerspectiveIndex;
class AutoSaveRestorePerspectiveIndex {
public:
AutoSaveRestorePerspectiveIndex(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame)
AutoSaveRestorePerspectiveIndex(nsDisplayListBuilder* aBuilder,
const bool aChildrenHavePerspective)
: mBuilder(nullptr)
{
if (aFrame->ChildrenHavePerspective()) {
if (aChildrenHavePerspective) {
mBuilder = aBuilder;
mCachedItemIndex = aBuilder->mPerspectiveItemIndex;
aBuilder->mPerspectiveItemIndex = 0;
@ -1175,6 +1184,7 @@ private:
nsRect mCaretRect;
uint32_t mFirstFrameMarkedForDisplay;
bool mIsBackgroundOnly;
nsIFrame* mPresShellIgnoreScrollFrame;
// This is a per-document flag turning off event handling for all content
// in the document, and is set when we enter a subdocument for a pointer-
// events:none frame.