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Backout de70e79ced32, ddd519d0767e, 9b952d924953 & 03efce585669 (bug 758620) for reftest failures

This commit is contained in:
Ed Morley 2012-06-26 16:13:33 +01:00
Родитель be64584f0e
Коммит ac1f65a6e5
13 изменённых файлов: 27 добавлений и 209 удалений
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11
gfx/layers/Layers.h
Просмотреть файл

@ -731,15 +731,6 @@ public:
*/
void SetIsFixedPosition(bool aFixedPosition) { mIsFixedPosition = aFixedPosition; }
/**
* CONSTRUCTION PHASE ONLY
* If a layer is "fixed position", this determines which point on the layer
* is considered the "anchor" point, that is, the point which remains in the
* same position when compositing the layer tree with a transformation
* (such as when asynchronously scrolling and zooming).
*/
void SetFixedPositionAnchor(const gfxPoint& aAnchor) { mAnchor = aAnchor; }
// These getters can be used anytime.
float GetOpacity() { return mOpacity; }
const nsIntRect* GetClipRect() { return mUseClipRect ? &mClipRect : nsnull; }
@ -752,7 +743,6 @@ public:
virtual Layer* GetLastChild() { return nsnull; }
const gfx3DMatrix& GetTransform() { return mTransform; }
bool GetIsFixedPosition() { return mIsFixedPosition; }
gfxPoint GetFixedPositionAnchor() { return mAnchor; }
Layer* GetMaskLayer() { return mMaskLayer; }
/**
@ -1002,7 +992,6 @@ protected:
bool mUseClipRect;
bool mUseTileSourceRect;
bool mIsFixedPosition;
gfxPoint mAnchor;
DebugOnly<PRUint32> mDebugColorIndex;
};

50
gfx/layers/ipc/CompositorParent.cpp
Просмотреть файл

@ -313,35 +313,27 @@ Translate2D(gfx3DMatrix& aTransform, const gfxPoint& aOffset)
}
void
CompositorParent::TransformFixedLayers(Layer* aLayer,
const gfxPoint& aTranslation,
const gfxPoint& aScaleDiff)
CompositorParent::TranslateFixedLayers(Layer* aLayer,
const gfxPoint& aTranslation)
{
if (aLayer->GetIsFixedPosition() &&
!aLayer->GetParent()->GetIsFixedPosition()) {
// When a scale has been applied to a layer, it focuses around (0,0).
// The anchor position is used here as a scale focus point (assuming that
// aScaleDiff has already been applied) to re-focus the scale.
const gfxPoint& anchor = aLayer->GetFixedPositionAnchor();
gfxPoint translation(aTranslation.x - (anchor.x - anchor.x / aScaleDiff.x),
aTranslation.y - (anchor.y - anchor.y / aScaleDiff.y));
gfx3DMatrix layerTransform = aLayer->GetTransform();
Translate2D(layerTransform, translation);
Translate2D(layerTransform, aTranslation);
ShadowLayer* shadow = aLayer->AsShadowLayer();
shadow->SetShadowTransform(layerTransform);
const nsIntRect* clipRect = aLayer->GetClipRect();
if (clipRect) {
nsIntRect transformedClipRect(*clipRect);
transformedClipRect.MoveBy(translation.x, translation.y);
transformedClipRect.MoveBy(aTranslation.x, aTranslation.y);
shadow->SetShadowClipRect(&transformedClipRect);
}
}
for (Layer* child = aLayer->GetFirstChild();
child; child = child->GetNextSibling()) {
TransformFixedLayers(child, aTranslation, aScaleDiff);
TranslateFixedLayers(child, aTranslation);
}
}
@ -419,30 +411,16 @@ CompositorParent::TransformShadowTree()
ViewTransform treeTransform(-scrollCompensation, mXScale, mYScale);
shadow->SetShadowTransform(gfx3DMatrix(treeTransform) * currentTransform);
// Translate fixed position layers so that they stay in the correct position
// when mScrollOffset and metricsScrollOffset differ.
gfxPoint scaleDiff(tempScaleDiffX, tempScaleDiffY);
gfxPoint offset(clamped(mScrollOffset.x / tempScaleDiffX, mContentRect.x / tempScaleDiffX,
(mContentRect.XMost() - mWidgetSize.width / tempScaleDiffX)) -
metricsScrollOffset.x,
clamped(mScrollOffset.y / tempScaleDiffY, mContentRect.y / tempScaleDiffY,
(mContentRect.YMost() - mWidgetSize.height / tempScaleDiffY)) -
metricsScrollOffset.y);
// Alter the scroll offset so that fixed position layers remain within
// the page area.
float offsetX = mScrollOffset.x / tempScaleDiffX;
float offsetY = mScrollOffset.y / tempScaleDiffY;
offsetX = NS_MAX((float)mContentRect.x, NS_MIN(offsetX, (float)(mContentRect.XMost() - mWidgetSize.width)));
offsetY = NS_MAX((float)mContentRect.y, NS_MIN(offsetY, (float)(mContentRect.YMost() - mWidgetSize.height)));
gfxPoint reverseViewTranslation(offsetX - metricsScrollOffset.x,
offsetY - metricsScrollOffset.y);
// If the contents can fit entirely within the widget area on a particular
// dimenson, we need to translate and scale so that the fixed layers remain
// within the page boundaries.
if (mContentRect.width * tempScaleDiffX < mWidgetSize.width) {
offset.x = -metricsScrollOffset.x;
scaleDiff.x = NS_MIN(1.0f, mWidgetSize.width / (float)mContentRect.width);
}
if (mContentRect.height * tempScaleDiffY < mWidgetSize.height) {
offset.y = -metricsScrollOffset.y;
scaleDiff.y = NS_MIN(1.0f, mWidgetSize.height / (float)mContentRect.height);
}
TransformFixedLayers(layer, offset, scaleDiff);
TranslateFixedLayers(layer, reverseViewTranslation);
}
void

11
gfx/layers/ipc/CompositorParent.h
Просмотреть файл

@ -107,15 +107,10 @@ private:
Layer* GetPrimaryScrollableLayer();
/**
* Recursively applies the given translation to all top-level fixed position
* layers that are descendants of the given layer.
* aScaleDiff is considered to be the scale transformation applied when
* displaying the layers, and is used to make sure the anchor points of
* fixed position layers remain in the same position.
* Recursively applies the given translation to all fixed position layers
* that aren't children of other fixed position layers.
*/
void TransformFixedLayers(Layer* aLayer,
const gfxPoint& aTranslation,
const gfxPoint& aScaleDiff);
void TranslateFixedLayers(Layer* aLayer, const gfxPoint& aTranslation);
nsRefPtr<LayerManager> mLayerManager;
nsIWidget* mWidget;

2
gfx/layers/ipc/PLayers.ipdl
Просмотреть файл

@ -12,7 +12,6 @@ include protocol PRenderFrame;
include "gfxipc/ShadowLayerUtils.h";
using gfx3DMatrix;
using gfxPoint;
using gfxRGBA;
using nsIntPoint;
using nsIntRect;
@ -86,7 +85,6 @@ struct CommonLayerAttributes {
bool useClipRect;
nsIntRect clipRect;
bool isFixedPosition;
gfxPoint fixedPositionAnchor;
nullable PLayer maskLayer;
};

1
gfx/layers/ipc/ShadowLayers.cpp
Просмотреть файл

@ -291,7 +291,6 @@ ShadowLayerForwarder::EndTransaction(InfallibleTArray<EditReply>* aReplies)
common.clipRect() = (common.useClipRect() ?
*mutant->GetClipRect() : nsIntRect());
common.isFixedPosition() = mutant->GetIsFixedPosition();
common.fixedPositionAnchor() = mutant->GetFixedPositionAnchor();
if (Layer* maskLayer = mutant->GetMaskLayer()) {
common.maskLayerChild() = Shadow(maskLayer->AsShadowableLayer());
} else {

1
gfx/layers/ipc/ShadowLayersParent.cpp
Просмотреть файл

@ -207,7 +207,6 @@ ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
static bool fixedPositionLayersEnabled = getenv("MOZ_ENABLE_FIXED_POSITION_LAYERS") != 0;
if (fixedPositionLayersEnabled) {
layer->SetIsFixedPosition(common.isFixedPosition());
layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
}
if (PLayerParent* maskLayer = common.maskLayerParent()) {
layer->SetMaskLayer(cast(maskLayer)->AsLayer());

21
ipc/glue/IPCMessageUtils.h
Просмотреть файл

@ -427,27 +427,6 @@ struct ParamTraits<gfxMatrix>
}
};
template<>
struct ParamTraits<gfxPoint>
{
typedef gfxPoint paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.x);
WriteParam(aMsg, aParam.y);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
if (ReadParam(aMsg, aIter, &aResult->x) &&
ReadParam(aMsg, aIter, &aResult->y))
return true;
return false;
}
};
template<>
struct ParamTraits<gfxSize>
{

62
layout/base/nsDisplayList.cpp
Просмотреть файл

@ -2002,68 +2002,6 @@ nsDisplayOwnLayer::BuildLayer(nsDisplayListBuilder* aBuilder,
return layer.forget();
}
nsDisplayFixedPosition::nsDisplayFixedPosition(nsDisplayListBuilder* aBuilder,
nsIFrame* aFrame,
nsDisplayList* aList)
: nsDisplayOwnLayer(aBuilder, aFrame, aList) {
MOZ_COUNT_CTOR(nsDisplayFixedPosition);
}
#ifdef NS_BUILD_REFCNT_LOGGING
nsDisplayFixedPosition::~nsDisplayFixedPosition() {
MOZ_COUNT_DTOR(nsDisplayFixedPosition);
}
#endif
already_AddRefed<Layer>
nsDisplayFixedPosition::BuildLayer(nsDisplayListBuilder* aBuilder,
LayerManager* aManager,
const ContainerParameters& aContainerParameters) {
nsRefPtr<Layer> layer =
nsDisplayOwnLayer::BuildLayer(aBuilder, aManager, aContainerParameters);
// Work out the anchor point for this fixed position layer. We assume that
// any positioning set (left/top/right/bottom) indicates that the
// corresponding side of its container should be the anchor point,
// defaulting to top-left.
nsIFrame* viewportFrame = mFrame->GetParent();
nsPresContext *presContext = viewportFrame->PresContext();
// Fixed position frames are reflowed into the scroll-port size if one has
// been set.
nsSize containingBlockSize = viewportFrame->GetSize();
if (presContext->PresShell()->IsScrollPositionClampingScrollPortSizeSet()) {
containingBlockSize = presContext->PresShell()->
GetScrollPositionClampingScrollPortSize();
}
// Find out the rect of the viewport frame relative to the reference frame.
// This, in conjunction with the container scale, will correspond to the
// coordinate-space of the built layer.
float factor = presContext->AppUnitsPerDevPixel();
nsPoint origin = aBuilder->ToReferenceFrame(viewportFrame);
gfxRect anchorRect(NSAppUnitsToFloatPixels(origin.x, factor) *
aContainerParameters.mXScale,
NSAppUnitsToFloatPixels(origin.y, factor) *
aContainerParameters.mYScale,
NSAppUnitsToFloatPixels(containingBlockSize.width, factor) *
aContainerParameters.mXScale,
NSAppUnitsToFloatPixels(containingBlockSize.height, factor) *
aContainerParameters.mYScale);
gfxPoint anchor(anchorRect.x, anchorRect.y);
const nsStylePosition* position = mFrame->GetStylePosition();
if (position->mOffset.GetRightUnit() != eStyleUnit_Auto)
anchor.x = anchorRect.XMost();
if (position->mOffset.GetBottomUnit() != eStyleUnit_Auto)
anchor.y = anchorRect.YMost();
layer->SetFixedPositionAnchor(anchor);
return layer.forget();
}
nsDisplayScrollLayer::nsDisplayScrollLayer(nsDisplayListBuilder* aBuilder,
nsDisplayList* aList,
nsIFrame* aForFrame,

19
layout/base/nsDisplayList.h
Просмотреть файл

@ -1909,25 +1909,6 @@ public:
NS_DISPLAY_DECL_NAME("OwnLayer", TYPE_OWN_LAYER)
};
/**
* A display item used to represent fixed position elements. This will ensure
* the contents gets its own layer, and that the built layer will have
* position-related metadata set on it.
*/
class nsDisplayFixedPosition : public nsDisplayOwnLayer {
public:
nsDisplayFixedPosition(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
nsDisplayList* aList);
#ifdef NS_BUILD_REFCNT_LOGGING
virtual ~nsDisplayFixedPosition();
#endif
virtual already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
LayerManager* aManager,
const ContainerParameters& aContainerParameters);
NS_DISPLAY_DECL_NAME("FixedPosition", TYPE_OWN_LAYER)
};
/**
* This potentially creates a layer for the given list of items, whose
* visibility is determined by the displayport for the given frame instead of

20
layout/base/nsPresShell.cpp
Просмотреть файл

@ -8965,23 +8965,9 @@ PresShell::SizeOfTextRuns(nsMallocSizeOfFun aMallocSizeOf) const
void
nsIPresShell::SetScrollPositionClampingScrollPortSize(nscoord aWidth, nscoord aHeight)
{
if (!mScrollPositionClampingScrollPortSizeSet ||
mScrollPositionClampingScrollPortSize.width != aWidth ||
mScrollPositionClampingScrollPortSize.height != aHeight) {
mScrollPositionClampingScrollPortSizeSet = true;
mScrollPositionClampingScrollPortSize.width = aWidth;
mScrollPositionClampingScrollPortSize.height = aHeight;
// Reflow fixed position children.
nsIFrame* rootFrame = mFrameConstructor->GetRootFrame();
if (rootFrame) {
const nsFrameList& childList = rootFrame->GetChildList(nsIFrame::kFixedList);
for (nsIFrame* child = childList.FirstChild(); child;
child = child->GetNextSibling()) {
FrameNeedsReflow(child, eResize, NS_FRAME_IS_DIRTY);
}
}
}
mScrollPositionClampingScrollPortSizeSet = true;
mScrollPositionClampingScrollPortSize.width = aWidth;
mScrollPositionClampingScrollPortSize.height = aHeight;
}
void

12
layout/generic/nsFrame.cpp
Просмотреть файл

@ -2168,16 +2168,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder,
// Genuine stacking contexts, and positioned pseudo-stacking-contexts,
// go in this level.
if (!list.IsEmpty()) {
// Make sure the root of a fixed position frame sub-tree gets the
// correct displaylist item type.
nsDisplayItem* item;
if (!child->GetParent()->GetParent() &&
disp->mPosition == NS_STYLE_POSITION_FIXED) {
item = new (aBuilder) nsDisplayFixedPosition(aBuilder, child, &list);
} else {
item = new (aBuilder) nsDisplayWrapList(aBuilder, child, &list);
}
rv = aLists.PositionedDescendants()->AppendNewToTop(item);
rv = aLists.PositionedDescendants()->AppendNewToTop(new (aBuilder)
nsDisplayWrapList(aBuilder, child, &list));
NS_ENSURE_SUCCESS(rv, rv);
}
} else if (disp->IsFloating()) {

14
layout/generic/nsViewportFrame.cpp
Просмотреть файл

@ -234,20 +234,10 @@ ViewportFrame::Reflow(nsPresContext* aPresContext,
"We don't handle correct positioning of fixed frames with "
"scrollbars in odd positions");
// If a scroll position clamping scroll-port size has been set, layout
// fixed position elements to this size instead of the computed size.
nscoord width = reflowState.ComputedWidth();
nscoord height = reflowState.ComputedHeight();
if (aPresContext->PresShell()->IsScrollPositionClampingScrollPortSizeSet()) {
nsSize size = aPresContext->PresShell()->
GetScrollPositionClampingScrollPortSize();
width = size.width;
height = size.height;
}
// Just reflow all the fixed-pos frames.
rv = GetAbsoluteContainingBlock()->Reflow(this, aPresContext, reflowState, aStatus,
width, height,
reflowState.ComputedWidth(),
reflowState.ComputedHeight(),
false, true, true, // XXX could be optimized
&aDesiredSize.mOverflowAreas);
}

12
mobile/android/chrome/content/browser.js
Просмотреть файл

@ -2328,17 +2328,11 @@ Tab.prototype = {
let x = aViewport.x / aViewport.zoom;
let y = aViewport.y / aViewport.zoom;
// Set scroll position and scroll-port clamping size
let [pageWidth, pageHeight] = this.getPageSize(this.browser.contentDocument,
aViewport.width, aViewport.height);
let scrollPortWidth = Math.min(gScreenWidth / aViewport.zoom, pageWidth);
let scrollPortHeight = Math.min(gScreenHeight / aViewport.zoom, pageHeight);
// Set scroll position
let win = this.browser.contentWindow;
win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).
setScrollPositionClampingScrollPortSize(scrollPortWidth, scrollPortHeight);
win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils).setScrollPositionClampingScrollPortSize(
gScreenWidth / aViewport.zoom, gScreenHeight / aViewport.zoom);
win.scrollTo(x, y);
this.userScrollPos.x = win.scrollX;
this.userScrollPos.y = win.scrollY;
this.setResolution(aViewport.zoom, false);