mirror of
https://github.com/roytam1/palemoon27.git
synced 2026-05-26 23:06:52 +00:00
roytam1
67e04cfead
- Bug 1236750 - Introduce a new unit type CSSTransformedLayerPixel. r=kats (4e9bba3d19) - Bug 1236750 - Add a ViewAs() overload for casting (with a justification) one typed matrix to another. r=kats (c48e143508) - Bug 1236750 - Add some specialized typedefs of Matrix4x4 to represent layer transform matrices. r=kats (cc50113c98) - Bug 1239300 - reject promise with null while creating imagebitmap from empty blob; r=smaug (bff7483bf1) - Bug 1233056 - Long tapping on a link will select a different link from the page r=tnikkel (3a727b33c1) - Bug 1245674. Null-check mGlobal before dereferencing it in one more place in Promise code. r=smaug (68cf5312dc) - Bug 1236750 - Use strongly-typed matrices to represent layer transforms in APZ code. r=kats (63931eb2a1) - Bug 1236750 - Add typed getters for layer transform matrices. r=kats (baef978fe1) - Bug 1147673 - Relax the ancestor transform assertion a little. r=kats (ec9ce47ba4) - Bug 1154161 Initialize WidgetQueryContentEvent::mReply r=smaug (6086291313) - Bug 1240921 - Use nsAutoTArray in nsStyleSet::RuleNodeWithReplacement. r=bz. (66f6823b46) - Bug 1229437 part 1 - Add a helper function to get the float containing block of a given frame. r=dbaron (72de452e5d) - Bug 1229437 part 2 - Reparent floats inside pulled ruby segment. r=dbaron (82cc44632d) - Bug 1229437 part 3 - Support iterating frames of RubyColumn. r=dholbert (5d43e7f6ff) - Bug 1229437 part 4 - Reparent floats inside pulled ruby column. r=dbaron (4c1a7ff20b) - Bug 1229437 part 5 - Add crashtests for this bug. r=dbaron (6afabe1604) - Bug 1229437 followup - Fix sign-compare error in RubyColumn::Iterator on CLOSED TREE. (e93453d00a) - Bug 1229437 followup 2 - Fix another sign-compare error in RubyColumn::Iterator on CLOSED TREE. (c0bf6a2a7b) - Bug 1229437 followup 3 - Fix a mistake in RubyColumn::Iterator::SkipUntilExistingFrame(). a=me (1ce408e194) - bits of Bug 1072150 - Use the opt-out for various sloppy consumers (29d97c59ca) - Make test_bug946632 compatible with asynchronous scrolling. (bug 1140293, r=mstange) (e975a8350c) - fix misspatch of 1072150 (a3e580fa4b) - Bug 686281 - Implement nsStyleImageLayers; r=dbaron (85bb33c8e6) - Bug 686281 - Rename *background* to *imagelayer*; r=dbaron. (36d90f112d) - Bug 1230034 part 4 - Make FramePropertyDescriptor to be a template. r=froydnj,dbaron (271cd19b6e) - Bug 1230034 part 5 - Convert all frame properties which use DeleteValue and ReleaseValue as destructor to be typesafe. r=dbaron (efc8d63c9d) - Bug 1230034 part 6 - Convert all frame properties which do not hold pointer to be typed. r=dbaron (b5541775f7) - Bug 1230034 part 7 - Convert nsIFrame::GenConProperty to be typed. r=dbaron (2b71527b2c) - Bug 1230034 part 8 - Convert frame properties which assert on destructor to be typed. r=dbaron (0f125a3414) - Bug 1230034 part 9 - Convert FrameLayerBuilder::LayerManagerDataProperty to be typed. r=dbaron (1147498c2f) - Bug 1230034 part 10 - Convert remaining frame properties to by typed and remove the unsafe declaring macro. r=dbaron (d59d94eac4) - Bug 1072501: Unmap file mapping on source surface destruction. r=jrmuizel (19fd63890a) - Bug 1235613 - Make gfxCriticalError/Note strings in gfx/ unique. r=jrmuizel (780c6ff862) - Bug 1247535 - Fix -Wunreachable-code warning in mfbt/Poison.cpp. r=froydnj (0e7cf60b6d) - Bug 1239479: Add comments to mfbt/XorShift128PlusRNG.h from the RNG's designer. DONTBUILD r=Waldo (bb674b07ce) - Add an assertion message to the assert-is-empty in LinkedList::~LinkedList, to indicate to users who hit it that it's the fault of the caller, not the fault of MFBT code. No bug, rs=froydnj (4cad80874c) - Bug 1221103 - Add a comment to nsIChannel::securityInfo noting that this info may appear on non-nsHttpChannels and how that may happen. r=bz IGNORE IDL (cd9cebc3f2) - Bug 1001765 - Make login credentials in Saved Passwords manager editable. r=MattN (09eec4f6f8) - Bug 1188478 - Add an Import button to the password manager to open the browser migrator. r=dolske (d1126a89fc) - Bug 1199382 - Rename some strings from "password" to "login" in preferences and the manager. r=markh (60638f5e2a) - Bug 1207733 - Update @disabled on the Remove Password button when selection changes. r=MattN (64ac9f22f6) - bits of 1124472 and 1166840 (26e2681183) - Bug 1219707 - fix argument passing to migration.js, r=jaws (55d332f5c6) - bug 1215657 - make AccessibleWrap::get_accSelection work with proxies=davidb (4e72111032) - fix missing telemetry entry (4fcfabb3e6) and follow-up API changes of TFF#493.
385 lines
13 KiB
C++
385 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=2 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/**
|
|
* compute sticky positioning, both during reflow and when the scrolling
|
|
* container scrolls
|
|
*/
|
|
|
|
#include "StickyScrollContainer.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsIScrollableFrame.h"
|
|
#include "nsLayoutUtils.h"
|
|
#include "RestyleTracker.h"
|
|
|
|
namespace mozilla {
|
|
|
|
NS_DECLARE_FRAME_PROPERTY_DELETABLE(StickyScrollContainerProperty,
|
|
StickyScrollContainer)
|
|
|
|
StickyScrollContainer::StickyScrollContainer(nsIScrollableFrame* aScrollFrame)
|
|
: mScrollFrame(aScrollFrame)
|
|
, mScrollPosition()
|
|
{
|
|
mScrollFrame->AddScrollPositionListener(this);
|
|
}
|
|
|
|
StickyScrollContainer::~StickyScrollContainer()
|
|
{
|
|
mScrollFrame->RemoveScrollPositionListener(this);
|
|
}
|
|
|
|
// static
|
|
StickyScrollContainer*
|
|
StickyScrollContainer::GetStickyScrollContainerForFrame(nsIFrame* aFrame)
|
|
{
|
|
nsIScrollableFrame* scrollFrame =
|
|
nsLayoutUtils::GetNearestScrollableFrame(aFrame->GetParent(),
|
|
nsLayoutUtils::SCROLLABLE_SAME_DOC |
|
|
nsLayoutUtils::SCROLLABLE_INCLUDE_HIDDEN);
|
|
if (!scrollFrame) {
|
|
// We might not find any, for instance in the case of
|
|
// <html style="position: fixed">
|
|
return nullptr;
|
|
}
|
|
FrameProperties props = static_cast<nsIFrame*>(do_QueryFrame(scrollFrame))->
|
|
Properties();
|
|
StickyScrollContainer* s = static_cast<StickyScrollContainer*>
|
|
(props.Get(StickyScrollContainerProperty()));
|
|
if (!s) {
|
|
s = new StickyScrollContainer(scrollFrame);
|
|
props.Set(StickyScrollContainerProperty(), s);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
// static
|
|
void
|
|
StickyScrollContainer::NotifyReparentedFrameAcrossScrollFrameBoundary(nsIFrame* aFrame,
|
|
nsIFrame* aOldParent)
|
|
{
|
|
nsIScrollableFrame* oldScrollFrame =
|
|
nsLayoutUtils::GetNearestScrollableFrame(aOldParent,
|
|
nsLayoutUtils::SCROLLABLE_SAME_DOC |
|
|
nsLayoutUtils::SCROLLABLE_INCLUDE_HIDDEN);
|
|
if (!oldScrollFrame) {
|
|
// XXX maybe aFrame has sticky descendants that can be sticky now, but
|
|
// we aren't going to handle that.
|
|
return;
|
|
}
|
|
FrameProperties props = static_cast<nsIFrame*>(do_QueryFrame(oldScrollFrame))->
|
|
Properties();
|
|
StickyScrollContainer* oldSSC = static_cast<StickyScrollContainer*>
|
|
(props.Get(StickyScrollContainerProperty()));
|
|
if (!oldSSC) {
|
|
// aOldParent had no sticky descendants, so aFrame doesn't have any sticky
|
|
// descendants, and we're done here.
|
|
return;
|
|
}
|
|
|
|
auto i = oldSSC->mFrames.Length();
|
|
while (i-- > 0) {
|
|
nsIFrame* f = oldSSC->mFrames[i];
|
|
StickyScrollContainer* newSSC = GetStickyScrollContainerForFrame(f);
|
|
if (newSSC != oldSSC) {
|
|
oldSSC->RemoveFrame(f);
|
|
if (newSSC) {
|
|
newSSC->AddFrame(f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// static
|
|
StickyScrollContainer*
|
|
StickyScrollContainer::GetStickyScrollContainerForScrollFrame(nsIFrame* aFrame)
|
|
{
|
|
FrameProperties props = aFrame->Properties();
|
|
return static_cast<StickyScrollContainer*>
|
|
(props.Get(StickyScrollContainerProperty()));
|
|
}
|
|
|
|
static nscoord
|
|
ComputeStickySideOffset(Side aSide, const nsStyleSides& aOffset,
|
|
nscoord aPercentBasis)
|
|
{
|
|
if (eStyleUnit_Auto == aOffset.GetUnit(aSide)) {
|
|
return NS_AUTOOFFSET;
|
|
} else {
|
|
return nsLayoutUtils::ComputeCBDependentValue(aPercentBasis,
|
|
aOffset.Get(aSide));
|
|
}
|
|
}
|
|
|
|
// static
|
|
void
|
|
StickyScrollContainer::ComputeStickyOffsets(nsIFrame* aFrame)
|
|
{
|
|
nsIScrollableFrame* scrollableFrame =
|
|
nsLayoutUtils::GetNearestScrollableFrame(aFrame->GetParent(),
|
|
nsLayoutUtils::SCROLLABLE_SAME_DOC |
|
|
nsLayoutUtils::SCROLLABLE_INCLUDE_HIDDEN);
|
|
|
|
if (!scrollableFrame) {
|
|
// Bail.
|
|
return;
|
|
}
|
|
|
|
nsSize scrollContainerSize = scrollableFrame->GetScrolledFrame()->
|
|
GetContentRectRelativeToSelf().Size();
|
|
|
|
nsMargin computedOffsets;
|
|
const nsStylePosition* position = aFrame->StylePosition();
|
|
|
|
computedOffsets.left = ComputeStickySideOffset(eSideLeft, position->mOffset,
|
|
scrollContainerSize.width);
|
|
computedOffsets.right = ComputeStickySideOffset(eSideRight, position->mOffset,
|
|
scrollContainerSize.width);
|
|
computedOffsets.top = ComputeStickySideOffset(eSideTop, position->mOffset,
|
|
scrollContainerSize.height);
|
|
computedOffsets.bottom = ComputeStickySideOffset(eSideBottom, position->mOffset,
|
|
scrollContainerSize.height);
|
|
|
|
// Store the offset
|
|
FrameProperties props = aFrame->Properties();
|
|
nsMargin* offsets = static_cast<nsMargin*>
|
|
(props.Get(nsIFrame::ComputedOffsetProperty()));
|
|
if (offsets) {
|
|
*offsets = computedOffsets;
|
|
} else {
|
|
props.Set(nsIFrame::ComputedOffsetProperty(),
|
|
new nsMargin(computedOffsets));
|
|
}
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::ComputeStickyLimits(nsIFrame* aFrame, nsRect* aStick,
|
|
nsRect* aContain) const
|
|
{
|
|
NS_ASSERTION(nsLayoutUtils::IsFirstContinuationOrIBSplitSibling(aFrame),
|
|
"Can't sticky position individual continuations");
|
|
|
|
aStick->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
|
|
aContain->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
|
|
|
|
const nsMargin* computedOffsets = static_cast<nsMargin*>(
|
|
aFrame->Properties().Get(nsIFrame::ComputedOffsetProperty()));
|
|
if (!computedOffsets) {
|
|
// We haven't reflowed the scroll frame yet, so offsets haven't been
|
|
// computed. Bail.
|
|
return;
|
|
}
|
|
|
|
nsIFrame* scrolledFrame = mScrollFrame->GetScrolledFrame();
|
|
nsIFrame* cbFrame = aFrame->GetContainingBlock();
|
|
NS_ASSERTION(cbFrame == scrolledFrame ||
|
|
nsLayoutUtils::IsProperAncestorFrame(scrolledFrame, cbFrame),
|
|
"Scroll frame should be an ancestor of the containing block");
|
|
|
|
nsRect rect =
|
|
nsLayoutUtils::GetAllInFlowRectsUnion(aFrame, aFrame->GetParent());
|
|
|
|
// Containing block limits for the position of aFrame relative to its parent.
|
|
// The margin box of the sticky element stays within the content box of the
|
|
// contaning-block element.
|
|
if (cbFrame != scrolledFrame) {
|
|
*aContain = nsLayoutUtils::
|
|
GetAllInFlowRectsUnion(cbFrame, aFrame->GetParent(),
|
|
nsLayoutUtils::RECTS_USE_CONTENT_BOX);
|
|
nsRect marginRect = nsLayoutUtils::
|
|
GetAllInFlowRectsUnion(aFrame, aFrame->GetParent(),
|
|
nsLayoutUtils::RECTS_USE_MARGIN_BOX);
|
|
|
|
// Deflate aContain by the difference between the union of aFrame's
|
|
// continuations' margin boxes and the union of their border boxes, so that
|
|
// by keeping aFrame within aContain, we keep the union of the margin boxes
|
|
// within the containing block's content box.
|
|
aContain->Deflate(marginRect - rect);
|
|
|
|
// Deflate aContain by the border-box size, to form a constraint on the
|
|
// upper-left corner of aFrame and continuations.
|
|
aContain->Deflate(nsMargin(0, rect.width, rect.height, 0));
|
|
}
|
|
|
|
nsMargin sfPadding = scrolledFrame->GetUsedPadding();
|
|
nsPoint sfOffset = aFrame->GetParent()->GetOffsetTo(scrolledFrame);
|
|
|
|
// Top
|
|
if (computedOffsets->top != NS_AUTOOFFSET) {
|
|
aStick->SetTopEdge(mScrollPosition.y + sfPadding.top +
|
|
computedOffsets->top - sfOffset.y);
|
|
}
|
|
|
|
nsSize sfSize = scrolledFrame->GetContentRectRelativeToSelf().Size();
|
|
|
|
// Bottom
|
|
if (computedOffsets->bottom != NS_AUTOOFFSET &&
|
|
(computedOffsets->top == NS_AUTOOFFSET ||
|
|
rect.height <= sfSize.height - computedOffsets->TopBottom())) {
|
|
aStick->SetBottomEdge(mScrollPosition.y + sfPadding.top + sfSize.height -
|
|
computedOffsets->bottom - rect.height - sfOffset.y);
|
|
}
|
|
|
|
uint8_t direction = cbFrame->StyleVisibility()->mDirection;
|
|
|
|
// Left
|
|
if (computedOffsets->left != NS_AUTOOFFSET &&
|
|
(computedOffsets->right == NS_AUTOOFFSET ||
|
|
direction == NS_STYLE_DIRECTION_LTR ||
|
|
rect.width <= sfSize.width - computedOffsets->LeftRight())) {
|
|
aStick->SetLeftEdge(mScrollPosition.x + sfPadding.left +
|
|
computedOffsets->left - sfOffset.x);
|
|
}
|
|
|
|
// Right
|
|
if (computedOffsets->right != NS_AUTOOFFSET &&
|
|
(computedOffsets->left == NS_AUTOOFFSET ||
|
|
direction == NS_STYLE_DIRECTION_RTL ||
|
|
rect.width <= sfSize.width - computedOffsets->LeftRight())) {
|
|
aStick->SetRightEdge(mScrollPosition.x + sfPadding.left + sfSize.width -
|
|
computedOffsets->right - rect.width - sfOffset.x);
|
|
}
|
|
|
|
// These limits are for the bounding box of aFrame's continuations. Convert
|
|
// to limits for aFrame itself.
|
|
nsPoint frameOffset = aFrame->GetPosition() - rect.TopLeft();
|
|
aStick->MoveBy(frameOffset);
|
|
aContain->MoveBy(frameOffset);
|
|
}
|
|
|
|
nsPoint
|
|
StickyScrollContainer::ComputePosition(nsIFrame* aFrame) const
|
|
{
|
|
nsRect stick;
|
|
nsRect contain;
|
|
ComputeStickyLimits(aFrame, &stick, &contain);
|
|
|
|
nsPoint position = aFrame->GetNormalPosition();
|
|
|
|
// For each sticky direction (top, bottom, left, right), move the frame along
|
|
// the appropriate axis, based on the scroll position, but limit this to keep
|
|
// the element's margin box within the containing block.
|
|
position.y = std::max(position.y, std::min(stick.y, contain.YMost()));
|
|
position.y = std::min(position.y, std::max(stick.YMost(), contain.y));
|
|
position.x = std::max(position.x, std::min(stick.x, contain.XMost()));
|
|
position.x = std::min(position.x, std::max(stick.XMost(), contain.x));
|
|
|
|
return position;
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::GetScrollRanges(nsIFrame* aFrame, nsRect* aOuter,
|
|
nsRect* aInner) const
|
|
{
|
|
// We need to use the first in flow; ComputeStickyLimits requires
|
|
// this, at the very least because its call to
|
|
// nsLayoutUtils::GetAllInFlowRectsUnion requires it.
|
|
nsIFrame *firstCont =
|
|
nsLayoutUtils::FirstContinuationOrIBSplitSibling(aFrame);
|
|
|
|
nsRect stick;
|
|
nsRect contain;
|
|
ComputeStickyLimits(firstCont, &stick, &contain);
|
|
|
|
aOuter->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
|
|
aInner->SetRect(nscoord_MIN/2, nscoord_MIN/2, nscoord_MAX, nscoord_MAX);
|
|
|
|
const nsPoint normalPosition = aFrame->GetNormalPosition();
|
|
|
|
// Bottom and top
|
|
if (stick.YMost() != nscoord_MAX/2) {
|
|
aOuter->SetTopEdge(contain.y - stick.YMost());
|
|
aInner->SetTopEdge(normalPosition.y - stick.YMost());
|
|
}
|
|
|
|
if (stick.y != nscoord_MIN/2) {
|
|
aInner->SetBottomEdge(normalPosition.y - stick.y);
|
|
aOuter->SetBottomEdge(contain.YMost() - stick.y);
|
|
}
|
|
|
|
// Right and left
|
|
if (stick.XMost() != nscoord_MAX/2) {
|
|
aOuter->SetLeftEdge(contain.x - stick.XMost());
|
|
aInner->SetLeftEdge(normalPosition.x - stick.XMost());
|
|
}
|
|
|
|
if (stick.x != nscoord_MIN/2) {
|
|
aInner->SetRightEdge(normalPosition.x - stick.x);
|
|
aOuter->SetRightEdge(contain.XMost() - stick.x);
|
|
}
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::PositionContinuations(nsIFrame* aFrame)
|
|
{
|
|
NS_ASSERTION(nsLayoutUtils::IsFirstContinuationOrIBSplitSibling(aFrame),
|
|
"Should be starting from the first continuation");
|
|
nsPoint translation = ComputePosition(aFrame) - aFrame->GetNormalPosition();
|
|
|
|
// Move all continuation frames by the same amount.
|
|
for (nsIFrame* cont = aFrame; cont;
|
|
cont = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(cont)) {
|
|
cont->SetPosition(cont->GetNormalPosition() + translation);
|
|
}
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::UpdatePositions(nsPoint aScrollPosition,
|
|
nsIFrame* aSubtreeRoot)
|
|
{
|
|
#ifdef DEBUG
|
|
{
|
|
nsIFrame* scrollFrameAsFrame = do_QueryFrame(mScrollFrame);
|
|
NS_ASSERTION(!aSubtreeRoot || aSubtreeRoot == scrollFrameAsFrame,
|
|
"If reflowing, should be reflowing the scroll frame");
|
|
}
|
|
#endif
|
|
mScrollPosition = aScrollPosition;
|
|
|
|
OverflowChangedTracker oct;
|
|
oct.SetSubtreeRoot(aSubtreeRoot);
|
|
for (nsTArray<nsIFrame*>::size_type i = 0; i < mFrames.Length(); i++) {
|
|
nsIFrame* f = mFrames[i];
|
|
if (!nsLayoutUtils::IsFirstContinuationOrIBSplitSibling(f)) {
|
|
// This frame was added in nsFrame::Init before we knew it wasn't
|
|
// the first ib-split-sibling.
|
|
mFrames.RemoveElementAt(i);
|
|
--i;
|
|
continue;
|
|
}
|
|
|
|
if (aSubtreeRoot) {
|
|
// Reflowing the scroll frame, so recompute offsets.
|
|
ComputeStickyOffsets(f);
|
|
}
|
|
// mFrames will only contain first continuations, because we filter in
|
|
// nsIFrame::Init.
|
|
PositionContinuations(f);
|
|
|
|
f = f->GetParent();
|
|
if (f != aSubtreeRoot) {
|
|
for (nsIFrame* cont = f; cont;
|
|
cont = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(cont)) {
|
|
oct.AddFrame(cont, OverflowChangedTracker::CHILDREN_CHANGED);
|
|
}
|
|
}
|
|
}
|
|
oct.Flush();
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::ScrollPositionWillChange(nscoord aX, nscoord aY)
|
|
{
|
|
}
|
|
|
|
void
|
|
StickyScrollContainer::ScrollPositionDidChange(nscoord aX, nscoord aY)
|
|
{
|
|
UpdatePositions(nsPoint(aX, aY), nullptr);
|
|
}
|
|
|
|
} // namespace mozilla
|