nsresult
nsSVGMarkerFrame::PaintMark(nsRenderingContext *aContext,
nsSVGPathGeometryFrame *aMarkedFrame,
nsSVGMark *aMark, float aStrokeWidth)
{
// If the flag is set when we get here, it means this marker frame
// has already been used painting the current mark, and the document
// has a marker reference loop.
if (mInUse)
return NS_OK;
AutoMarkerReferencer markerRef(this, aMarkedFrame);
nsSVGMarkerElement *marker = static_cast<nsSVGMarkerElement*>(mContent);
const nsSVGViewBoxRect viewBox = marker->GetViewBoxRect();
if (viewBox.width <= 0.0f || viewBox.height <= 0.0f) {
// We must disable rendering if the viewBox width or height are zero.
return NS_OK;
}
mStrokeWidth = aStrokeWidth;
mX = aMark->x;
mY = aMark->y;
mAutoAngle = aMark->angle;
gfxContext *gfx = aContext->ThebesContext();
if (GetStyleDisplay()->IsScrollableOverflow()) {
gfx->Save();
gfxRect clipRect =
nsSVGUtils::GetClipRectForFrame(this, viewBox.x, viewBox.y,
viewBox.width, viewBox.height);
nsSVGUtils::SetClipRect(gfx, GetCanvasTM(nsISVGChildFrame::FOR_PAINTING),
clipRect);
}
for (nsIFrame* kid = mFrames.FirstChild(); kid;
kid = kid->GetNextSibling()) {
nsISVGChildFrame* SVGFrame = do_QueryFrame(kid);
if (SVGFrame) {
// The CTM of each frame referencing us may be different.
SVGFrame->NotifySVGChanged(
nsISVGChildFrame::DO_NOT_NOTIFY_RENDERING_OBSERVERS |
nsISVGChildFrame::TRANSFORM_CHANGED);
nsSVGUtils::PaintFrameWithEffects(aContext, nsnull, kid);
}
}
if (GetStyleDisplay()->IsScrollableOverflow())
gfx->Restore();
return NS_OK;
}
//
// DidSetStyleContext
//
// When the style context changes, make sure that all of our image is up to date.
//
/* virtual */ void
nsImageBoxFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)
{
nsLeafBoxFrame::DidSetStyleContext(aOldStyleContext);
// Fetch our subrect.
const nsStyleList* myList = GetStyleList();
mSubRect = myList->mImageRegion; // before |mSuppressStyleCheck| test!
if (mUseSrcAttr || mSuppressStyleCheck)
return; // No more work required, since the image isn't specified by style.
// If we're using a native theme implementation, we shouldn't draw anything.
const nsStyleDisplay* disp = GetStyleDisplay();
if (disp->mAppearance && nsBox::gTheme &&
nsBox::gTheme->ThemeSupportsWidget(nsnull, this, disp->mAppearance))
return;
// If list-style-image changes, we have a new image.
nsCOMPtr<nsIURI> oldURI, newURI;
if (mImageRequest)
mImageRequest->GetURI(getter_AddRefs(oldURI));
if (myList->GetListStyleImage())
myList->GetListStyleImage()->GetURI(getter_AddRefs(newURI));
PRBool equal;
if (newURI == oldURI || // handles null==null
(newURI && oldURI &&
NS_SUCCEEDED(newURI->Equals(oldURI, &equal)) && equal))
return;
UpdateImage();
} // DidSetStyleContext
NS_IMETHODIMP
nsSVGInnerSVGFrame::PaintSVG(nsRenderingContext *aContext,
const nsIntRect *aDirtyRect)
{
gfxContextAutoSaveRestore autoSR;
if (GetStyleDisplay()->IsScrollableOverflow()) {
float x, y, width, height;
static_cast<nsSVGSVGElement*>(mContent)->
GetAnimatedLengthValues(&x, &y, &width, &height, nsnull);
if (width <= 0 || height <= 0) {
return NS_OK;
}
nsSVGContainerFrame *parent = static_cast<nsSVGContainerFrame*>(mParent);
gfxMatrix clipTransform = parent->GetCanvasTM();
gfxContext *gfx = aContext->ThebesContext();
autoSR.SetContext(gfx);
gfxRect clipRect =
nsSVGUtils::GetClipRectForFrame(this, x, y, width, height);
nsSVGUtils::SetClipRect(gfx, clipTransform, clipRect);
}
return nsSVGInnerSVGFrameBase::PaintSVG(aContext, aDirtyRect);
}
NS_IMETHODIMP
nsBox::GetBorder(nsMargin& aMargin)
{
aMargin.SizeTo(0,0,0,0);
const nsStyleDisplay* disp = GetStyleDisplay();
if (disp->mAppearance && gTheme) {
// Go to the theme for the border.
nsPresContext *context = PresContext();
if (gTheme->ThemeSupportsWidget(context, this, disp->mAppearance)) {
nsIntMargin margin(0, 0, 0, 0);
gTheme->GetWidgetBorder(context->DeviceContext(), this,
disp->mAppearance, &margin);
aMargin.top = context->DevPixelsToAppUnits(margin.top);
aMargin.right = context->DevPixelsToAppUnits(margin.right);
aMargin.bottom = context->DevPixelsToAppUnits(margin.bottom);
aMargin.left = context->DevPixelsToAppUnits(margin.left);
return NS_OK;
}
}
aMargin = GetStyleBorder()->GetActualBorder();
return NS_OK;
}
nsSize
nsProgressFrame::ComputeAutoSize(nsRenderingContext *aRenderingContext,
nsSize aCBSize, nscoord aAvailableWidth,
nsSize aMargin, nsSize aBorder,
nsSize aPadding, bool aShrinkWrap)
{
float inflation =
nsLayoutUtils::FontSizeInflationFor(this, aCBSize.width);
nsRefPtr<nsFontMetrics> fontMet;
NS_ENSURE_SUCCESS(nsLayoutUtils::GetFontMetricsForFrame(this,
getter_AddRefs(fontMet),
inflation),
nsSize(0, 0));
nsSize autoSize;
autoSize.height = autoSize.width = fontMet->Font().size; // 1em
if (GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL) {
autoSize.height *= 10; // 10em
} else {
autoSize.width *= 10; // 10em
}
return autoSize;
}
NS_IMETHODIMP
nsComboboxControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
#ifdef NOISY
printf("%p paint at (%d, %d, %d, %d)\n", this,
aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
#endif
if (aBuilder->IsForEventDelivery()) {
// Don't allow children to receive events.
// REVIEW: following old GetFrameForPoint
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// REVIEW: Our in-flow child frames are inline-level so they will paint in our
// content list, so we don't need to mess with layers.
nsresult rv = nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
NS_ENSURE_SUCCESS(rv, rv);
}
nsPresContext *presContext = PresContext();
const nsStyleDisplay *disp = GetStyleDisplay();
if ((!IsThemed(disp) ||
!presContext->GetTheme()->ThemeDrawsFocusForWidget(presContext, this, disp->mAppearance)) &&
mDisplayFrame && IsVisibleForPainting(aBuilder)) {
nsresult rv = aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayComboboxFocus(this));
NS_ENSURE_SUCCESS(rv, rv);
}
return DisplaySelectionOverlay(aBuilder, aLists);
}
NS_IMETHODIMP
nsBox::GetPadding(nsMargin& aMargin)
{
const nsStyleDisplay *disp = GetStyleDisplay();
if (disp->mAppearance && gTheme) {
// Go to the theme for the padding.
nsPresContext *context = PresContext();
if (gTheme->ThemeSupportsWidget(context, this, disp->mAppearance)) {
nsIntMargin margin(0, 0, 0, 0);
PRBool useThemePadding;
useThemePadding = gTheme->GetWidgetPadding(context->DeviceContext(),
this, disp->mAppearance,
&margin);
if (useThemePadding) {
aMargin.top = context->DevPixelsToAppUnits(margin.top);
aMargin.right = context->DevPixelsToAppUnits(margin.right);
aMargin.bottom = context->DevPixelsToAppUnits(margin.bottom);
aMargin.left = context->DevPixelsToAppUnits(margin.left);
return NS_OK;
}
}
}
aMargin.SizeTo(0,0,0,0);
GetStylePadding()->GetPadding(aMargin);
return NS_OK;
}
nscoord
nsMeterFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
{
nsRefPtr<nsFontMetrics> fontMet;
NS_ENSURE_SUCCESS(
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet)), 0);
nscoord minWidth = fontMet->Font().size; // 1em
if (GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_AUTO ||
GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_HORIZONTAL) {
// The orientation is horizontal
minWidth *= 5; // 5em
}
return minWidth;
}
void
nsMeterFrame::ReflowBarFrame(nsIFrame* aBarFrame,
nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
bool vertical = GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL;
nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame,
nsSize(aReflowState.ComputedWidth(),
NS_UNCONSTRAINEDSIZE));
nscoord size = vertical ? aReflowState.ComputedHeight()
: aReflowState.ComputedWidth();
nscoord xoffset = aReflowState.mComputedBorderPadding.left;
nscoord yoffset = aReflowState.mComputedBorderPadding.top;
// NOTE: Introduce a new function getPosition in the content part ?
double position, max, min, value;
nsCOMPtr<nsIDOMHTMLMeterElement> meterElement =
do_QueryInterface(mContent);
meterElement->GetMax(&max);
meterElement->GetMin(&min);
meterElement->GetValue(&value);
position = max - min;
position = position != 0 ? (value - min) / position : 1;
size = NSToCoordRound(size * position);
if (!vertical && GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
xoffset += aReflowState.ComputedWidth() - size;
}
// The bar position is *always* constrained.
if (vertical) {
// We want the bar to begin at the bottom.
yoffset += aReflowState.ComputedHeight() - size;
size -= reflowState.mComputedMargin.TopBottom() +
reflowState.mComputedBorderPadding.TopBottom();
size = std::max(size, 0);
reflowState.SetComputedHeight(size);
} else {
size -= reflowState.mComputedMargin.LeftRight() +
reflowState.mComputedBorderPadding.LeftRight();
size = std::max(size, 0);
reflowState.SetComputedWidth(size);
}
xoffset += reflowState.mComputedMargin.left;
yoffset += reflowState.mComputedMargin.top;
nsHTMLReflowMetrics barDesiredSize;
ReflowChild(aBarFrame, aPresContext, barDesiredSize, reflowState, xoffset,
yoffset, 0, aStatus);
FinishReflowChild(aBarFrame, aPresContext, &reflowState, barDesiredSize,
xoffset, yoffset, 0);
}
float
nsSVGGeometryFrame::MaybeOptimizeOpacity(float aFillOrStrokeOpacity)
{
float opacity = GetStyleDisplay()->mOpacity;
if (opacity < 1 && nsSVGUtils::CanOptimizeOpacity(this)) {
return aFillOrStrokeOpacity * opacity;
}
return aFillOrStrokeOpacity;
}
PRBool
nsBox::DoesClipChildren()
{
const nsStyleDisplay* display = GetStyleDisplay();
NS_ASSERTION((display->mOverflowY == NS_STYLE_OVERFLOW_CLIP) ==
(display->mOverflowX == NS_STYLE_OVERFLOW_CLIP),
"If one overflow is clip, the other should be too");
return display->mOverflowX == NS_STYLE_OVERFLOW_CLIP;
}
void
nsImageBoxFrame::UpdateImage()
{
if (mImageRequest) {
mImageRequest->CancelAndForgetObserver(NS_ERROR_FAILURE);
mImageRequest = nsnull;
}
// get the new image src
nsAutoString src;
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::src, src);
mUseSrcAttr = !src.IsEmpty();
if (mUseSrcAttr) {
nsIDocument* doc = mContent->GetDocument();
if (!doc) {
// No need to do anything here...
return;
}
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
nsCOMPtr<nsIURI> uri;
nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(uri),
src,
doc,
baseURI);
if (uri && nsContentUtils::CanLoadImage(uri, mContent, doc,
mContent->NodePrincipal())) {
nsContentUtils::LoadImage(uri, doc, mContent->NodePrincipal(),
doc->GetDocumentURI(), mListener, mLoadFlags,
getter_AddRefs(mImageRequest));
}
} else {
// Only get the list-style-image if we aren't being drawn
// by a native theme.
PRUint8 appearance = GetStyleDisplay()->mAppearance;
if (!(appearance && nsBox::gTheme &&
nsBox::gTheme->ThemeSupportsWidget(nsnull, this, appearance))) {
// get the list-style-image
imgIRequest *styleRequest = GetStyleList()->GetListStyleImage();
if (styleRequest) {
styleRequest->Clone(mListener, getter_AddRefs(mImageRequest));
}
}
}
if (!mImageRequest) {
// We have no image, so size to 0
mIntrinsicSize.SizeTo(0, 0);
} else {
// We don't want discarding or decode-on-draw for xul images.
mImageRequest->RequestDecode();
mImageRequest->LockImage();
}
}
bool
nsProgressFrame::ShouldUseNativeStyle() const
{
// Use the native style if these conditions are satisfied:
// - both frames use the native appearance;
// - neither frame has author specified rules setting the border or the
// background.
return GetStyleDisplay()->mAppearance == NS_THEME_PROGRESSBAR &&
mBarDiv->GetPrimaryFrame()->GetStyleDisplay()->mAppearance == NS_THEME_PROGRESSBAR_CHUNK &&
!PresContext()->HasAuthorSpecifiedRules(const_cast<nsProgressFrame*>(this),
NS_AUTHOR_SPECIFIED_BORDER | NS_AUTHOR_SPECIFIED_BACKGROUND) &&
!PresContext()->HasAuthorSpecifiedRules(mBarDiv->GetPrimaryFrame(),
NS_AUTHOR_SPECIFIED_BORDER | NS_AUTHOR_SPECIFIED_BACKGROUND);
}
nscoord
nsProgressFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
{
nsRefPtr<nsFontMetrics> fontMet;
NS_ENSURE_SUCCESS(
nsLayoutUtils::GetFontMetricsForFrame(this, getter_AddRefs(fontMet)), 0);
nscoord minWidth = fontMet->Font().size; // 1em
if (GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_HORIZONTAL) {
minWidth *= 10; // 10em
}
return minWidth;
}
nsresult
nsFirstLetterFrame::CreateContinuationForFloatingParent(nsPresContext* aPresContext,
nsIFrame* aChild,
nsIFrame** aContinuation,
PRBool aIsFluid)
{
NS_ASSERTION(GetStyleDisplay()->IsFloating(),
"can only call this on floating first letter frames");
NS_PRECONDITION(aContinuation, "bad args");
*aContinuation = nsnull;
nsresult rv = NS_OK;
nsIPresShell* presShell = aPresContext->PresShell();
nsPlaceholderFrame* placeholderFrame =
presShell->FrameManager()->GetPlaceholderFrameFor(this);
nsIFrame* parent = placeholderFrame->GetParent();
nsIFrame* continuation;
rv = presShell->FrameConstructor()->
CreateContinuingFrame(aPresContext, aChild, parent, &continuation, aIsFluid);
if (NS_FAILED(rv) || !continuation) {
return rv;
}
// The continuation will have gotten the first letter style from it's
// prev continuation, so we need to repair the style context so it
// doesn't have the first letter styling.
nsStyleContext* parentSC = this->GetStyleContext()->GetParent();
if (parentSC) {
nsRefPtr<nsStyleContext> newSC;
newSC = presShell->StyleSet()->ResolveStyleForNonElement(parentSC);
if (newSC) {
continuation->SetStyleContext(newSC);
}
}
//XXX Bidi may not be involved but we have to use the list name
// nsGkAtoms::nextBidi because this is just like creating a continuation
// except we have to insert it in a different place and we don't want a
// reflow command to try to be issued.
nsFrameList temp(continuation, continuation);
rv = parent->InsertFrames(nsGkAtoms::nextBidi, placeholderFrame, temp);
*aContinuation = continuation;
return rv;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
nsDisplayList onTop;
if (IsVisibleForPainting(aBuilder)) {
nsresult rv = mRenderer.DisplayButton(aBuilder, aLists.BorderBackground(), &onTop);
NS_ENSURE_SUCCESS(rv, rv);
}
nsDisplayListCollection set;
// Do not allow the child subtree to receive events.
if (!aBuilder->IsForEventDelivery()) {
nsresult rv =
BuildDisplayListForChild(aBuilder, mFrames.FirstChild(), aDirtyRect, set,
DISPLAY_CHILD_FORCE_PSEUDO_STACKING_CONTEXT);
NS_ENSURE_SUCCESS(rv, rv);
// That should put the display items in set.Content()
}
// Put the foreground outline and focus rects on top of the children
set.Content()->AppendToTop(&onTop);
// clips to our padding box for <input>s but not <button>s, unless
// they have non-visible overflow..
if (IsInput() || GetStyleDisplay()->mOverflowX != NS_STYLE_OVERFLOW_VISIBLE) {
nsMargin border = GetStyleBorder()->GetActualBorder();
nsRect rect(aBuilder->ToReferenceFrame(this), GetSize());
rect.Deflate(border);
nsresult rv = OverflowClip(aBuilder, set, aLists, rect);
NS_ENSURE_SUCCESS(rv, rv);
} else {
set.MoveTo(aLists);
}
nsresult rv = DisplayOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
// to draw border when selected in editor
return DisplaySelectionOverlay(aBuilder, aLists);
}
nsSVGInnerSVGFrame::GetFrameForPoint(const nsPoint &aPoint)
{
if (GetStyleDisplay()->IsScrollableOverflow()) {
nsSVGElement *content = static_cast<nsSVGElement*>(mContent);
nsSVGContainerFrame *parent = static_cast<nsSVGContainerFrame*>(mParent);
float clipX, clipY, clipWidth, clipHeight;
content->GetAnimatedLengthValues(&clipX, &clipY, &clipWidth, &clipHeight, nsnull);
if (!nsSVGUtils::HitTestRect(parent->GetCanvasTM(),
clipX, clipY, clipWidth, clipHeight,
PresContext()->AppUnitsToDevPixels(aPoint.x),
PresContext()->AppUnitsToDevPixels(aPoint.y))) {
return nsnull;
}
}
return nsSVGInnerSVGFrameBase::GetFrameForPoint(aPoint);
}
void
nsProgressFrame::ReflowBarFrame(nsIFrame* aBarFrame,
nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
bool vertical = GetStyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL;
nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame,
nsSize(aReflowState.ComputedWidth(),
NS_UNCONSTRAINEDSIZE));
nscoord size = vertical ? aReflowState.ComputedHeight()
: aReflowState.ComputedWidth();
nscoord xoffset = aReflowState.mComputedBorderPadding.left;
nscoord yoffset = aReflowState.mComputedBorderPadding.top;
double position;
nsCOMPtr<nsIDOMHTMLProgressElement> progressElement =
do_QueryInterface(mContent);
progressElement->GetPosition(&position);
// Force the bar's size to match the current progress.
// When indeterminate, the progress' size will be 100%.
if (position >= 0.0) {
size *= position;
}
if (!vertical && GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
xoffset += aReflowState.ComputedWidth() - size;
}
// The bar size is fixed in these cases:
// - the progress position is determined: the bar size is fixed according
// to it's value.
// - the progress position is indeterminate and the bar appearance should be
// shown as native: the bar size is forced to 100%.
// Otherwise (when the progress is indeterminate and the bar appearance isn't
// native), the bar size isn't fixed and can be set by the author.
if (position != -1 || ShouldUseNativeStyle()) {
if (vertical) {
// We want the bar to begin at the bottom.
yoffset += aReflowState.ComputedHeight() - size;
size -= reflowState.mComputedMargin.TopBottom() +
reflowState.mComputedBorderPadding.TopBottom();
size = NS_MAX(size, 0);
reflowState.SetComputedHeight(size);
} else {
size -= reflowState.mComputedMargin.LeftRight() +
reflowState.mComputedBorderPadding.LeftRight();
size = NS_MAX(size, 0);
reflowState.SetComputedWidth(size);
}
} else if (vertical) {
// For vertical progress bars, we need to position the bar specificly when
// the width isn't constrained (position == -1 and !ShouldUseNativeStyle())
// because aReflowState.ComputedHeight() - size == 0.
yoffset += aReflowState.ComputedHeight() - reflowState.ComputedHeight();
}
xoffset += reflowState.mComputedMargin.left;
yoffset += reflowState.mComputedMargin.top;
nsHTMLReflowMetrics barDesiredSize;
ReflowChild(aBarFrame, aPresContext, barDesiredSize, reflowState, xoffset,
yoffset, 0, aStatus);
FinishReflowChild(aBarFrame, aPresContext, &reflowState, barDesiredSize,
xoffset, yoffset, 0);
}
NS_IMETHODIMP
nsSVGForeignObjectFrame::PaintSVG(nsSVGRenderState *aContext,
const nsIntRect *aDirtyRect)
{
if (IsDisabled())
return NS_OK;
nsIFrame* kid = GetFirstChild(nsnull);
if (!kid)
return NS_OK;
gfxMatrix matrixForChildren = GetCanvasTMForChildren();
gfxMatrix matrix = GetCanvasTM();
nsRenderingContext *ctx = aContext->GetRenderingContext(this);
if (!ctx || matrixForChildren.IsSingular()) {
NS_WARNING("Can't render foreignObject element!");
return NS_ERROR_FAILURE;
}
/* Check if we need to draw anything. */
if (aDirtyRect) {
PRInt32 appUnitsPerDevPx = PresContext()->AppUnitsPerDevPixel();
if (!mRect.ToOutsidePixels(appUnitsPerDevPx).Intersects(*aDirtyRect))
return NS_OK;
}
gfxContext *gfx = aContext->GetGfxContext();
gfx->Save();
if (GetStyleDisplay()->IsScrollableOverflow()) {
float x, y, width, height;
static_cast<nsSVGElement*>(mContent)->
GetAnimatedLengthValues(&x, &y, &width, &height, nsnull);
gfxRect clipRect =
nsSVGUtils::GetClipRectForFrame(this, 0.0f, 0.0f, width, height);
nsSVGUtils::SetClipRect(gfx, matrix, clipRect);
}
gfx->Multiply(matrixForChildren);
// Transform the dirty rect into the rectangle containing the
// transformed dirty rect.
gfxMatrix invmatrix = matrix.Invert();
NS_ASSERTION(!invmatrix.IsSingular(),
"inverse of non-singular matrix should be non-singular");
gfxRect transDirtyRect = gfxRect(aDirtyRect->x, aDirtyRect->y,
aDirtyRect->width, aDirtyRect->height);
transDirtyRect = invmatrix.TransformBounds(transDirtyRect);
transDirtyRect.Scale(nsPresContext::AppUnitsPerCSSPixel());
nsPoint tl(NSToCoordFloor(transDirtyRect.X()),
NSToCoordFloor(transDirtyRect.Y()));
nsPoint br(NSToCoordCeil(transDirtyRect.XMost()),
NSToCoordCeil(transDirtyRect.YMost()));
nsRect kidDirtyRect(tl.x, tl.y, br.x - tl.x, br.y - tl.y);
kidDirtyRect.IntersectRect(kidDirtyRect, kid->GetRect());
PRUint32 flags = nsLayoutUtils::PAINT_IN_TRANSFORM;
if (aContext->IsPaintingToWindow()) {
flags |= nsLayoutUtils::PAINT_TO_WINDOW;
}
nsresult rv = nsLayoutUtils::PaintFrame(ctx, kid, nsRegion(kidDirtyRect),
NS_RGBA(0,0,0,0), flags);
gfx->Restore();
return rv;
}
NS_IMETHODIMP
nsSVGForeignObjectFrame::PaintSVG(nsRenderingContext *aContext,
const nsIntRect *aDirtyRect)
{
if (IsDisabled())
return NS_OK;
nsIFrame* kid = GetFirstPrincipalChild();
if (!kid)
return NS_OK;
gfxMatrix matrixForChildren = GetCanvasTMForChildren();
gfxMatrix matrix = GetCanvasTM();
if (matrixForChildren.IsSingular()) {
NS_WARNING("Can't render foreignObject element!");
return NS_ERROR_FAILURE;
}
nsRect kidDirtyRect = kid->GetVisualOverflowRect();
/* Check if we need to draw anything. */
if (aDirtyRect) {
// Transform the dirty rect into app units in our userspace.
gfxMatrix invmatrix = matrix;
invmatrix.Invert();
NS_ASSERTION(!invmatrix.IsSingular(),
"inverse of non-singular matrix should be non-singular");
gfxRect transDirtyRect = gfxRect(aDirtyRect->x, aDirtyRect->y,
aDirtyRect->width, aDirtyRect->height);
transDirtyRect = invmatrix.TransformBounds(transDirtyRect);
kidDirtyRect.IntersectRect(kidDirtyRect,
nsLayoutUtils::RoundGfxRectToAppRect(transDirtyRect,
PresContext()->AppUnitsPerCSSPixel()));
// XXX after bug 614732 is fixed, we will compare mRect with aDirtyRect,
// not with kidDirtyRect. I.e.
// PRInt32 appUnitsPerDevPx = PresContext()->AppUnitsPerDevPixel();
// mRect.ToOutsidePixels(appUnitsPerDevPx).Intersects(*aDirtyRect)
if (kidDirtyRect.IsEmpty())
return NS_OK;
}
gfxContext *gfx = aContext->ThebesContext();
gfx->Save();
if (GetStyleDisplay()->IsScrollableOverflow()) {
float x, y, width, height;
static_cast<nsSVGElement*>(mContent)->
GetAnimatedLengthValues(&x, &y, &width, &height, nsnull);
gfxRect clipRect =
nsSVGUtils::GetClipRectForFrame(this, 0.0f, 0.0f, width, height);
nsSVGUtils::SetClipRect(gfx, matrix, clipRect);
}
gfx->Multiply(matrixForChildren);
PRUint32 flags = nsLayoutUtils::PAINT_IN_TRANSFORM;
if (SVGAutoRenderState::IsPaintingToWindow(aContext)) {
flags |= nsLayoutUtils::PAINT_TO_WINDOW;
}
nsresult rv = nsLayoutUtils::PaintFrame(aContext, kid, nsRegion(kidDirtyRect),
NS_RGBA(0,0,0,0), flags);
gfx->Restore();
return rv;
}
NS_IMETHODIMP
nsComboboxControlFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
// Constraints we try to satisfy:
// 1) Default width of button is the vertical scrollbar size
// 2) If the width of button is bigger than our width, set width of
// button to 0.
// 3) Default height of button is height of display area
// 4) Width of display area is whatever is left over from our width after
// allocating width for the button.
// 5) Height of display area is GetHeightOfARow() on the
// mListControlFrame.
if (!mDisplayFrame || !mButtonFrame || !mDropdownFrame) {
NS_ERROR("Why did the frame constructor allow this to happen? Fix it!!");
return NS_ERROR_UNEXPECTED;
}
// Make sure the displayed text is the same as the selected option, bug 297389.
PRInt32 selectedIndex;
nsAutoString selectedOptionText;
if (!mDroppedDown) {
selectedIndex = mListControlFrame->GetSelectedIndex();
}
else {
// In dropped down mode the "selected index" is the hovered menu item,
// we want the last selected item which is |mDisplayedIndex| in this case.
selectedIndex = mDisplayedIndex;
}
if (selectedIndex != -1) {
mListControlFrame->GetOptionText(selectedIndex, selectedOptionText);
}
if (mDisplayedOptionText != selectedOptionText) {
RedisplayText(selectedIndex);
}
// First reflow our dropdown so that we know how tall we should be.
ReflowDropdown(aPresContext, aReflowState);
// Get the width of the vertical scrollbar. That will be the width of the
// dropdown button.
nscoord buttonWidth;
const nsStyleDisplay *disp = GetStyleDisplay();
if (IsThemed(disp) && !aPresContext->GetTheme()->ThemeNeedsComboboxDropmarker()) {
buttonWidth = 0;
}
else {
nsIScrollableFrame* scrollable = do_QueryFrame(mListControlFrame);
NS_ASSERTION(scrollable, "List must be a scrollable frame");
buttonWidth =
scrollable->GetDesiredScrollbarSizes(PresContext(),
aReflowState.rendContext).LeftRight();
if (buttonWidth > aReflowState.ComputedWidth()) {
buttonWidth = 0;
}
}
mDisplayWidth = aReflowState.ComputedWidth() - buttonWidth;
nsresult rv = nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState,
aStatus);
NS_ENSURE_SUCCESS(rv, rv);
// Now set the correct width and height on our button. The width we need to
// set always, the height only if we had an auto height.
nsRect buttonRect = mButtonFrame->GetRect();
// If we have a non-intrinsic computed height, our kids should have sized
// themselves properly on their own.
if (aReflowState.ComputedHeight() == NS_INTRINSICSIZE) {
// The display frame is going to be the right height and width at this
// point. Use its height as the button height.
nsRect displayRect = mDisplayFrame->GetRect();
buttonRect.height = displayRect.height;
buttonRect.y = displayRect.y;
}
#ifdef DEBUG
else {
nscoord buttonHeight = mButtonFrame->GetSize().height;
nscoord displayHeight = mDisplayFrame->GetSize().height;
// The button and display area should be equal heights, unless the computed
// height on the combobox is too small to fit their borders and padding.
NS_ASSERTION(buttonHeight == displayHeight ||
(aReflowState.ComputedHeight() < buttonHeight &&
buttonHeight ==
mButtonFrame->GetUsedBorderAndPadding().TopBottom()) ||
(aReflowState.ComputedHeight() < displayHeight &&
displayHeight ==
mDisplayFrame->GetUsedBorderAndPadding().TopBottom()),
"Different heights?");
}
#endif
if (GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
// Make sure the right edge of the button frame stays where it is now
buttonRect.x -= buttonWidth - buttonRect.width;
}
buttonRect.width = buttonWidth;
mButtonFrame->SetRect(buttonRect);
return rv;
}
nsresult
nsSubDocumentFrame::ShowDocShell()
{
nsCOMPtr<nsIDocShell> docShell;
nsresult rv = GetDocShell(getter_AddRefs(docShell));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPresShell> presShell;
docShell->GetPresShell(getter_AddRefs(presShell));
if (presShell) {
// The docshell is already showing, nothing left to do...
NS_ASSERTION(mInnerView, "What's going on?");
return NS_OK;
}
// pass along marginwidth, marginheight, scrolling so sub document
// can use it
nsIntSize margin = GetMarginAttributes();
docShell->SetMarginWidth(margin.width);
docShell->SetMarginHeight(margin.height);
// Current and initial scrolling is set so that all succeeding docs
// will use the scrolling value set here, regardless if scrolling is
// set by viewing a particular document (e.g. XUL turns off scrolling)
nsCOMPtr<nsIScrollable> sc(do_QueryInterface(docShell));
if (sc) {
const nsStyleDisplay *disp = GetStyleDisplay();
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X,
ConvertOverflow(disp->mOverflowX));
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y,
ConvertOverflow(disp->mOverflowY));
}
PRInt32 itemType = nsIDocShellTreeItem::typeContent;
nsCOMPtr<nsIDocShellTreeItem> treeItem(do_QueryInterface(docShell));
if (treeItem) {
treeItem->GetItemType(&itemType);
}
nsContentType contentType;
if (itemType == nsIDocShellTreeItem::typeChrome) {
contentType = eContentTypeUI;
}
else {
nsCOMPtr<nsIDocShellTreeItem> sameTypeParent;
treeItem->GetSameTypeParent(getter_AddRefs(sameTypeParent));
contentType = sameTypeParent ? eContentTypeContentFrame : eContentTypeContent;
}
rv = CreateViewAndWidget(contentType);
if (NS_FAILED(rv)) {
return rv;
}
nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));
if (baseWindow) {
baseWindow->InitWindow(nsnull, mInnerView->GetWidget(), 0, 0, 10, 10);
// This is kinda whacky, this "Create()" call doesn't really
// create anything, one starts to wonder why this was named
// "Create"...
baseWindow->Create();
baseWindow->SetVisibility(PR_TRUE);
}
// Trigger editor re-initialization if midas is turned on in the
// sub-document. This shouldn't be necessary, but given the way our
// editor works, it is. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=284245
docShell->GetPresShell(getter_AddRefs(presShell));
if (presShell) {
nsCOMPtr<nsIDOMNSHTMLDocument> doc =
do_QueryInterface(presShell->GetDocument());
if (doc) {
nsAutoString designMode;
doc->GetDesignMode(designMode);
if (designMode.EqualsLiteral("on")) {
doc->SetDesignMode(NS_LITERAL_STRING("off"));
doc->SetDesignMode(NS_LITERAL_STRING("on"));
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsTableCellFrame::Paint(nsPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags)
{
NS_ENSURE_TRUE(aPresContext, NS_ERROR_NULL_POINTER);
PRBool isVisible;
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_FALSE, &isVisible)) && !isVisible) {
return NS_OK;
}
PRBool paintChildren = PR_TRUE;
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
const nsStyleBorder* myBorder = nsnull;
const nsStylePadding* myPadding = nsnull;
const nsStyleTableBorder* cellTableStyle = nsnull;
const nsStyleVisibility* vis = GetStyleVisibility();
if (vis->IsVisible()) {
myBorder = GetStyleBorder();
myPadding = GetStylePadding();
cellTableStyle = GetStyleTableBorder();
// draw the border & background only when there is content or showing empty cells
if (NS_STYLE_TABLE_EMPTY_CELLS_HIDE != cellTableStyle->mEmptyCells ||
!GetContentEmpty()) {
PaintUnderlay(*aPresContext, aRenderingContext, aDirtyRect, aFlags,
*myBorder, *myPadding, *cellTableStyle);
}
// Paint outline
nsRect rect(0, 0, mRect.width, mRect.height);
const nsStyleOutline* myOutline = GetStyleOutline();
nsCSSRendering::PaintOutline(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *myBorder, *myOutline,
mStyleContext, 0);
const nsStyleBackground* myColor = GetStyleBackground();
DecorateForSelection(aPresContext, aRenderingContext,myColor); //ignore return value
}
paintChildren = !(aFlags & NS_PAINT_FLAG_TABLE_CELL_BG_PASS);
//flags were for us; remove them for our children
aFlags &= ~ (NS_PAINT_FLAG_TABLE_CELL_BG_PASS | NS_PAINT_FLAG_TABLE_BG_PAINT);
}
#ifdef DEBUG
// for debug...
if ((NS_FRAME_PAINT_LAYER_DEBUG == aWhichLayer) && GetShowFrameBorders()) {
aRenderingContext.SetColor(NS_RGB(0, 0, 128));
aRenderingContext.DrawRect(0, 0, mRect.width, mRect.height);
}
#endif
// paint the children unless we've been told not to
if (paintChildren) {
const nsStyleDisplay* disp = GetStyleDisplay();
// if the cell originates in a row and/or col that is collapsed, the
// bottom and/or right portion of the cell is painted by translating
// the rendering context.
nsPoint offset;
GetCollapseOffset(offset);
PRBool pushed = PR_FALSE;
if ((0 != offset.x) || (0 != offset.y)) {
aRenderingContext.PushState();
pushed = PR_TRUE;
aRenderingContext.Translate(offset.x, offset.y);
aRenderingContext.SetClipRect(nsRect(-offset.x, -offset.y, mRect.width, mRect.height),
nsClipCombine_kIntersect);
}
else {
// XXXldb HIDDEN should really create a scrollframe,
// but use |IsTableClip| here since it doesn't.
if (disp->IsTableClip() ||
(HasPctOverHeight() && eCompatibility_NavQuirks == aPresContext->CompatibilityMode())) {
aRenderingContext.PushState();
pushed = PR_TRUE;
SetOverflowClipRect(aRenderingContext);
}
}
PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer, aFlags);
if (pushed) {
aRenderingContext.PopState();
}
}
DO_GLOBAL_REFLOW_COUNT_DSP_J("nsTableCellFrame", &aRenderingContext, 0);
return NS_OK;
/*nsFrame::Paint(aPresContext,
aRenderingContext,
aDirtyRect,
aWhichLayer);*/
}
NS_IMETHODIMP
nsFirstLetterFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aReflowStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsFirstLetterFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aReflowStatus);
nsresult rv = NS_OK;
// Grab overflow list
DrainOverflowFrames(aPresContext);
nsIFrame* kid = mFrames.FirstChild();
// Setup reflow state for our child
nsSize availSize(aReflowState.availableWidth, aReflowState.availableHeight);
const nsMargin& bp = aReflowState.mComputedBorderPadding;
nscoord lr = bp.left + bp.right;
nscoord tb = bp.top + bp.bottom;
NS_ASSERTION(availSize.width != NS_UNCONSTRAINEDSIZE,
"should no longer use unconstrained widths");
availSize.width -= lr;
if (NS_UNCONSTRAINEDSIZE != availSize.height) {
availSize.height -= tb;
}
// Reflow the child
if (!aReflowState.mLineLayout) {
// When there is no lineLayout provided, we provide our own. The
// only time that the first-letter-frame is not reflowing in a
// line context is when its floating.
nsHTMLReflowState rs(aPresContext, aReflowState, kid, availSize);
nsLineLayout ll(aPresContext, nsnull, &aReflowState, nsnull);
ll.BeginLineReflow(bp.left, bp.top, availSize.width, NS_UNCONSTRAINEDSIZE,
PR_FALSE, PR_TRUE);
rs.mLineLayout = ≪
ll.SetInFirstLetter(PR_TRUE);
ll.SetFirstLetterStyleOK(PR_TRUE);
kid->WillReflow(aPresContext);
kid->Reflow(aPresContext, aMetrics, rs, aReflowStatus);
ll.EndLineReflow();
ll.SetInFirstLetter(PR_FALSE);
}
else {
// Pretend we are a span and reflow the child frame
nsLineLayout* ll = aReflowState.mLineLayout;
PRBool pushedFrame;
ll->SetInFirstLetter(
mStyleContext->GetPseudo() == nsCSSPseudoElements::firstLetter);
ll->BeginSpan(this, &aReflowState, bp.left, availSize.width);
ll->ReflowFrame(kid, aReflowStatus, &aMetrics, pushedFrame);
ll->EndSpan(this);
ll->SetInFirstLetter(PR_FALSE);
}
// Place and size the child and update the output metrics
kid->SetRect(nsRect(bp.left, bp.top, aMetrics.width, aMetrics.height));
kid->FinishAndStoreOverflow(&aMetrics);
kid->DidReflow(aPresContext, nsnull, NS_FRAME_REFLOW_FINISHED);
aMetrics.width += lr;
aMetrics.height += tb;
aMetrics.ascent += bp.top;
mBaseline = aMetrics.ascent;
// Ensure that the overflow rect contains the child textframe's overflow rect.
// Note that if this is floating, the overline/underline drawable area is in
// the overflow rect of the child textframe.
aMetrics.UnionOverflowAreasWithDesiredBounds();
ConsiderChildOverflow(aMetrics.mOverflowAreas, kid);
// Create a continuation or remove existing continuations based on
// the reflow completion status.
if (NS_FRAME_IS_COMPLETE(aReflowStatus)) {
if (aReflowState.mLineLayout) {
aReflowState.mLineLayout->SetFirstLetterStyleOK(PR_FALSE);
}
nsIFrame* kidNextInFlow = kid->GetNextInFlow();
if (kidNextInFlow) {
// Remove all of the childs next-in-flows
static_cast<nsContainerFrame*>(kidNextInFlow->GetParent())
->DeleteNextInFlowChild(aPresContext, kidNextInFlow, PR_TRUE);
}
}
else {
// Create a continuation for the child frame if it doesn't already
// have one.
if (!GetStyleDisplay()->IsFloating()) {
nsIFrame* nextInFlow;
rv = CreateNextInFlow(aPresContext, kid, nextInFlow);
if (NS_FAILED(rv)) {
return rv;
}
// And then push it to our overflow list
const nsFrameList& overflow = mFrames.RemoveFramesAfter(kid);
if (overflow.NotEmpty()) {
SetOverflowFrames(aPresContext, overflow);
}
} else if (!kid->GetNextInFlow()) {
// For floating first letter frames (if a continuation wasn't already
// created for us) we need to put the continuation with the rest of the
// text that the first letter frame was made out of.
nsIFrame* continuation;
rv = CreateContinuationForFloatingParent(aPresContext, kid,
&continuation, PR_TRUE);
}
}
FinishAndStoreOverflow(&aMetrics);
NS_FRAME_SET_TRUNCATION(aReflowStatus, aReflowState, aMetrics);
return rv;
}