void
nsSplitterFrameInner::EnsureOrient()
{
bool isHorizontal = !(mParentBox->GetStateBits() & NS_STATE_IS_HORIZONTAL);
if (isHorizontal)
mOuter->mState |= NS_STATE_IS_HORIZONTAL;
else
mOuter->mState &= ~NS_STATE_IS_HORIZONTAL;
}
bool
PaintFrameCallback::operator()(gfxContext* aContext,
const gfxRect& aFillRect,
const gfxPattern::GraphicsFilter& aFilter,
const gfxMatrix& aTransform)
{
if (mFrame->GetStateBits() & NS_FRAME_DRAWING_AS_PAINTSERVER)
return false;
mFrame->AddStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
nsRenderingContext context;
context.Init(mFrame->PresContext()->DeviceContext(), aContext);
aContext->Save();
// Clip to aFillRect so that we don't paint outside.
aContext->NewPath();
aContext->Rectangle(aFillRect);
aContext->Clip();
gfxMatrix savedMatrix(aContext->CurrentMatrix());
aContext->Multiply(gfxMatrix(aTransform).Invert());
// nsLayoutUtils::PaintFrame will anchor its painting at mFrame. But we want
// to have it anchored at the top left corner of the bounding box of all of
// mFrame's continuations. So we add a translation transform.
nsRect bbox = nsSVGIntegrationUtils::GetNonSVGUserSpace(mFrame);
PRInt32 appUnitsPerDevPixel = mFrame->PresContext()->AppUnitsPerDevPixel();
gfxPoint offset = gfxPoint(bbox.x, bbox.y) / appUnitsPerDevPixel;
aContext->Multiply(gfxMatrix().Translate(-offset));
gfxSize paintServerSize =
gfxSize(mPaintServerSize.width, mPaintServerSize.height) /
mFrame->PresContext()->AppUnitsPerDevPixel();
// nsLayoutUtils::PaintFrame wants to render with paintServerSize, but we
// want it to render with mRenderSize, so we need to set up a scale transform.
gfxFloat scaleX = mRenderSize.width / paintServerSize.width;
gfxFloat scaleY = mRenderSize.height / paintServerSize.height;
gfxMatrix scaleMatrix = gfxMatrix().Scale(scaleX, scaleY);
aContext->Multiply(scaleMatrix);
// Draw.
nsRect dirty(bbox.x, bbox.y, mPaintServerSize.width, mPaintServerSize.height);
nsLayoutUtils::PaintFrame(&context, mFrame,
dirty, NS_RGBA(0, 0, 0, 0),
nsLayoutUtils::PAINT_IN_TRANSFORM |
nsLayoutUtils::PAINT_ALL_CONTINUATIONS);
aContext->SetMatrix(savedMatrix);
aContext->Restore();
mFrame->RemoveStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
return true;
}
bool
PaintFrameCallback::operator()(gfxContext* aContext,
const gfxRect& aFillRect,
const Filter& aFilter,
const gfxMatrix& aTransform)
{
if (mFrame->GetStateBits() & NS_FRAME_DRAWING_AS_PAINTSERVER)
return false;
mFrame->AddStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
aContext->Save();
// Clip to aFillRect so that we don't paint outside.
aContext->NewPath();
aContext->Rectangle(aFillRect);
aContext->Clip();
gfxMatrix invmatrix = aTransform;
if (!invmatrix.Invert()) {
return false;
}
aContext->Multiply(invmatrix);
// nsLayoutUtils::PaintFrame will anchor its painting at mFrame. But we want
// to have it anchored at the top left corner of the bounding box of all of
// mFrame's continuations. So we add a translation transform.
int32_t appUnitsPerDevPixel = mFrame->PresContext()->AppUnitsPerDevPixel();
nsPoint offset = GetOffsetToBoundingBox(mFrame);
gfxPoint devPxOffset = gfxPoint(offset.x, offset.y) / appUnitsPerDevPixel;
aContext->Multiply(gfxMatrix::Translation(devPxOffset));
gfxSize paintServerSize =
gfxSize(mPaintServerSize.width, mPaintServerSize.height) /
mFrame->PresContext()->AppUnitsPerDevPixel();
// nsLayoutUtils::PaintFrame wants to render with paintServerSize, but we
// want it to render with mRenderSize, so we need to set up a scale transform.
gfxFloat scaleX = mRenderSize.width / paintServerSize.width;
gfxFloat scaleY = mRenderSize.height / paintServerSize.height;
aContext->Multiply(gfxMatrix::Scaling(scaleX, scaleY));
// Draw.
nsRect dirty(-offset.x, -offset.y,
mPaintServerSize.width, mPaintServerSize.height);
uint32_t flags = nsLayoutUtils::PAINT_IN_TRANSFORM;
if (mFlags & nsSVGIntegrationUtils::FLAG_SYNC_DECODE_IMAGES) {
flags |= nsLayoutUtils::PAINT_SYNC_DECODE_IMAGES;
}
nsRenderingContext context(aContext);
nsLayoutUtils::PaintFrame(&context, mFrame,
dirty, NS_RGBA(0, 0, 0, 0),
flags);
nsIFrame* currentFrame = mFrame;
while ((currentFrame = currentFrame->GetNextContinuation()) != nullptr) {
offset = currentFrame->GetOffsetToCrossDoc(mFrame);
devPxOffset = gfxPoint(offset.x, offset.y) / appUnitsPerDevPixel;
aContext->Save();
aContext->Multiply(gfxMatrix::Scaling(1/scaleX, 1/scaleY));
aContext->Multiply(gfxMatrix::Translation(devPxOffset));
aContext->Multiply(gfxMatrix::Scaling(scaleX, scaleY));
nsLayoutUtils::PaintFrame(&context, currentFrame,
dirty - offset, NS_RGBA(0, 0, 0, 0),
flags);
aContext->Restore();
}
aContext->Restore();
mFrame->RemoveStateBits(NS_FRAME_DRAWING_AS_PAINTSERVER);
return true;
}
NS_IMETHODIMP
nsFieldSetFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsFieldSetFrame", aReflowState.reason);
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
// Initialize OUT parameter
aStatus = NS_FRAME_COMPLETE;
// Should we create a space manager?
nsAutoSpaceManager autoSpaceManager(NS_CONST_CAST(nsHTMLReflowState &, aReflowState));
// XXXldb If we start storing the space manager in the frame rather
// than keeping it around only during reflow then we should create it
// only when there are actually floats to manage. Otherwise things
// like tables will gain significant bloat.
if (NS_BLOCK_SPACE_MGR & mState)
autoSpaceManager.CreateSpaceManagerFor(aPresContext, this);
//------------ Handle Incremental Reflow -----------------
PRBool reflowContent = PR_TRUE;
PRBool reflowLegend = PR_TRUE;
nsReflowReason reason = aReflowState.reason;
if (reason == eReflowReason_Incremental) {
nsHTMLReflowCommand *command = aReflowState.path->mReflowCommand;
// See if it's targeted at us
if (command) {
nsReflowType reflowType;
command->GetType(reflowType);
switch (reflowType) {
case eReflowType_StyleChanged:
reason = eReflowReason_StyleChange;
break;
case eReflowType_ReflowDirty:
reason = eReflowReason_Dirty;
break;
default:
NS_ERROR("Unexpected Reflow Type");
}
} else {
reflowContent = PR_FALSE;
reflowLegend = PR_FALSE;
nsReflowPath::iterator iter = aReflowState.path->FirstChild();
nsReflowPath::iterator end = aReflowState.path->EndChildren();
for ( ; iter != end; ++iter) {
if (*iter == mLegendFrame)
reflowLegend = PR_TRUE;
else if (*iter == mContentFrame)
reflowContent = PR_TRUE;
}
}
}
if (aDesiredSize.mFlags & NS_REFLOW_CALC_MAX_WIDTH) {
reflowLegend = PR_TRUE;
reflowContent = PR_TRUE;
} else if (reason == eReflowReason_Dirty) {
// if dirty then check dirty flags
if (GetStateBits() & NS_FRAME_IS_DIRTY) {
reflowLegend = PR_TRUE;
reflowContent = PR_TRUE;
} else {
if (reflowContent) {
reflowContent = mContentFrame ?
(mContentFrame->GetStateBits()
& (NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN)) != 0 : PR_FALSE;
}
if (reflowLegend) {
reflowLegend = mLegendFrame ?
(mLegendFrame->GetStateBits()
& (NS_FRAME_IS_DIRTY | NS_FRAME_HAS_DIRTY_CHILDREN)) != 0 : PR_FALSE;
}
}
}
// availSize could have unconstrained values, don't perform any addition on them
nsSize availSize(aReflowState.mComputedWidth, aReflowState.availableHeight);
// get our border and padding
const nsMargin &borderPadding = aReflowState.mComputedBorderPadding;
const nsMargin &padding = aReflowState.mComputedPadding;
nsMargin border = borderPadding - padding;
if (aDesiredSize.mComputeMEW) {
aDesiredSize.mMaxElementWidth = borderPadding.left + borderPadding.right;
}
// Figure out how big the legend is if there is one.
// get the legend's margin
nsMargin legendMargin(0,0,0,0);
// reflow the legend only if needed
if (mLegendFrame) {
const nsStyleMargin* marginStyle = mLegendFrame->GetStyleMargin();
marginStyle->GetMargin(legendMargin);
if (reflowLegend) {
nsHTMLReflowState legendReflowState(aPresContext, aReflowState,
mLegendFrame, nsSize(NS_INTRINSICSIZE,NS_INTRINSICSIZE),
reason);
// always give the legend as much size as it needs
legendReflowState.mComputedWidth = NS_INTRINSICSIZE;
legendReflowState.mComputedHeight = NS_INTRINSICSIZE;
nsHTMLReflowMetrics legendDesiredSize(0,0);
ReflowChild(mLegendFrame, aPresContext, legendDesiredSize, legendReflowState,
0, 0, NS_FRAME_NO_MOVE_FRAME, aStatus);
#ifdef NOISY_REFLOW
printf(" returned (%d, %d)\n", legendDesiredSize.width, legendDesiredSize.height);
if (legendDesiredSize.mComputeMEW)
printf(" and maxEW %d\n",
legendDesiredSize.mMaxElementWidth);
#endif
// figure out the legend's rectangle
mLegendRect.width = legendDesiredSize.width + legendMargin.left + legendMargin.right;
mLegendRect.height = legendDesiredSize.height + legendMargin.top + legendMargin.bottom;
mLegendRect.x = borderPadding.left;
mLegendRect.y = 0;
nscoord oldSpace = mLegendSpace;
mLegendSpace = 0;
if (mLegendRect.height > border.top) {
// center the border on the legend
mLegendSpace = mLegendRect.height - border.top;
} else {
mLegendRect.y = (border.top - mLegendRect.height)/2;
}
// if the legend space changes then we need to reflow the
// content area as well.
if (mLegendSpace != oldSpace) {
if (reflowContent == PR_FALSE || reason == eReflowReason_Dirty) {
reflowContent = PR_TRUE;
reason = eReflowReason_Resize;
}
}
// if we are contrained then remove the legend from our available height.
if (NS_INTRINSICSIZE != availSize.height) {
if (availSize.height >= mLegendSpace)
availSize.height -= mLegendSpace;
}
// don't get any smaller than the legend
if (NS_INTRINSICSIZE != availSize.width) {
if (availSize.width < mLegendRect.width)
availSize.width = mLegendRect.width;
}
FinishReflowChild(mLegendFrame, aPresContext, &legendReflowState,
legendDesiredSize, 0, 0, NS_FRAME_NO_MOVE_FRAME);
}
} else {
mLegendRect.Empty();
mLegendSpace = 0;
}
nsRect contentRect;
// reflow the content frame only if needed
if (mContentFrame) {
if (reflowContent) {
availSize.width = aReflowState.mComputedWidth;
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, mContentFrame,
availSize, reason);
nsHTMLReflowMetrics kidDesiredSize(aDesiredSize.mComputeMEW, aDesiredSize.mFlags);
// Reflow the frame
ReflowChild(mContentFrame, aPresContext, kidDesiredSize, kidReflowState,
borderPadding.left + kidReflowState.mComputedMargin.left,
borderPadding.top + mLegendSpace + kidReflowState.mComputedMargin.top,
0, aStatus);
// set the rect. make sure we add the margin back in.
contentRect.SetRect(borderPadding.left,borderPadding.top + mLegendSpace,kidDesiredSize.width ,kidDesiredSize.height);
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE &&
borderPadding.top + mLegendSpace+kidDesiredSize.height > aReflowState.mComputedHeight) {
kidDesiredSize.height = aReflowState.mComputedHeight-(borderPadding.top + mLegendSpace);
}
FinishReflowChild(mContentFrame, aPresContext, &kidReflowState,
kidDesiredSize, contentRect.x, contentRect.y, 0);
if (aDesiredSize.mComputeMEW) {
aDesiredSize.mMaxElementWidth = kidDesiredSize.mMaxElementWidth;
if (eStyleUnit_Coord == aReflowState.mStylePosition->mWidth.GetUnit() &&
NS_INTRINSICSIZE != aReflowState.mComputedWidth)
aDesiredSize.mMaxElementWidth = aReflowState.mComputedWidth;
if (eStyleUnit_Percent == aReflowState.mStylePosition->mWidth.GetUnit())
aDesiredSize.mMaxElementWidth = 0;
aDesiredSize.mMaxElementWidth += borderPadding.left + borderPadding.right;
}
if (aDesiredSize.mFlags & NS_REFLOW_CALC_MAX_WIDTH) {
aDesiredSize.mMaximumWidth = kidDesiredSize.mMaximumWidth +
borderPadding.left + borderPadding.right;
}
NS_FRAME_TRACE_REFLOW_OUT("FieldSet::Reflow", aStatus);
} else {
// if we don't need to reflow just get the old size
contentRect = mContentFrame->GetRect();
const nsStyleMargin* marginStyle = mContentFrame->GetStyleMargin();
nsMargin m(0,0,0,0);
marginStyle->GetMargin(m);
contentRect.Inflate(m);
}
}
// use the computed width if the inner content does not fill it
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE &&
aReflowState.mComputedWidth > contentRect.width) {
contentRect.width = aReflowState.mComputedWidth;
}
if (mLegendFrame) {
// if the content rect is larger then the legend we can align the legend
if (contentRect.width > mLegendRect.width) {
PRInt32 align = ((nsLegendFrame*)mLegendFrame)->GetAlign();
switch(align) {
case NS_STYLE_TEXT_ALIGN_RIGHT:
mLegendRect.x = contentRect.width - mLegendRect.width + borderPadding.left;
break;
case NS_STYLE_TEXT_ALIGN_CENTER:
float p2t;
p2t = aPresContext->PixelsToTwips();
mLegendRect.x = NSIntPixelsToTwips((nscoord) NSToIntRound((float)(contentRect.width/2 - mLegendRect.width/2 + borderPadding.left) / p2t),p2t);
break;
}
} else {
//otherwise make place for the legend
contentRect.width = mLegendRect.width;
}
// place the legend
nsRect actualLegendRect(mLegendRect);
actualLegendRect.Deflate(legendMargin);
nsPoint curOrigin = mLegendFrame->GetPosition();
// only if the origin changed
if ((curOrigin.x != mLegendRect.x) || (curOrigin.y != mLegendRect.y)) {
mLegendFrame->SetPosition(nsPoint(actualLegendRect.x , actualLegendRect.y));
nsContainerFrame::PositionFrameView(mLegendFrame);
// We need to recursively process the legend frame's
// children since we're moving the frame after Reflow.
nsContainerFrame::PositionChildViews(mLegendFrame);
}
}
// Return our size and our result
if (aReflowState.mComputedHeight == NS_INTRINSICSIZE) {
aDesiredSize.height = mLegendSpace +
borderPadding.top +
contentRect.height +
borderPadding.bottom;
} else {
nscoord min = borderPadding.top + borderPadding.bottom + mLegendRect.height;
aDesiredSize.height = aReflowState.mComputedHeight + borderPadding.top + borderPadding.bottom;
if (aDesiredSize.height < min)
aDesiredSize.height = min;
}
aDesiredSize.width = contentRect.width + borderPadding.left + borderPadding.right;
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
if (aDesiredSize.mComputeMEW) {
// if the legend is wider use it
if (aDesiredSize.mMaxElementWidth < mLegendRect.width + borderPadding.left + borderPadding.right)
aDesiredSize.mMaxElementWidth = mLegendRect.width + borderPadding.left + borderPadding.right;
}
aDesiredSize.mOverflowArea = nsRect(0, 0, aDesiredSize.width, aDesiredSize.height);
// make the mMaximumWidth large enough if the legendframe determines the size
if ((aDesiredSize.mFlags & NS_REFLOW_CALC_MAX_WIDTH) && mLegendFrame) {
aDesiredSize.mMaximumWidth = PR_MAX(aDesiredSize.mMaximumWidth, mLegendRect.width +
borderPadding.left + borderPadding.right);
}
if (mLegendFrame)
ConsiderChildOverflow(aDesiredSize.mOverflowArea, mLegendFrame);
if (mContentFrame)
ConsiderChildOverflow(aDesiredSize.mOverflowArea, mContentFrame);
FinishAndStoreOverflow(&aDesiredSize);
Invalidate(aDesiredSize.mOverflowArea);
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
return NS_OK;
}