示例#1
0
nsresult 
nsTableCellFrame::GetColIndex(PRInt32 &aColIndex) const
{  
  if (mPrevInFlow) {
    return ((nsTableCellFrame*)GetFirstInFlow())->GetColIndex(aColIndex);
  }
  else {
    aColIndex = mBits.mColIndex;
    return  NS_OK;
  }
}
示例#2
0
NS_IMETHODIMP
nsFirstLineFrame::Reflow(nsPresContext* aPresContext,
                         nsHTMLReflowMetrics& aMetrics,
                         const nsHTMLReflowState& aReflowState,
                         nsReflowStatus& aStatus)
{
  if (nsnull == aReflowState.mLineLayout) {
    return NS_ERROR_INVALID_ARG;
  }

  nsIFrame* lineContainer = aReflowState.mLineLayout->GetLineContainerFrame();

  // Check for an overflow list with our prev-in-flow
  nsFirstLineFrame* prevInFlow = (nsFirstLineFrame*)GetPrevInFlow();
  if (nsnull != prevInFlow) {
    nsAutoPtr<nsFrameList> prevOverflowFrames(prevInFlow->StealOverflowFrames());
    if (prevOverflowFrames) {
      // Assign all floats to our block if necessary
      if (lineContainer && lineContainer->GetPrevContinuation()) {
        ReparentFloatsForInlineChild(lineContainer,
                                     prevOverflowFrames->FirstChild(),
                                     PR_TRUE);
      }
      const nsFrameList::Slice& newFrames =
        mFrames.InsertFrames(this, nsnull, *prevOverflowFrames);
      ReParentChildListStyle(aPresContext, newFrames, this);
    }
  }

  // It's also possible that we have an overflow list for ourselves
  nsAutoPtr<nsFrameList> overflowFrames(StealOverflowFrames());
  if (overflowFrames) {
    NS_ASSERTION(mFrames.NotEmpty(), "overflow list w/o frames");

    const nsFrameList::Slice& newFrames =
      mFrames.AppendFrames(nsnull, *overflowFrames);
    ReParentChildListStyle(aPresContext, newFrames, this);
  }

  // Set our own reflow state (additional state above and beyond
  // aReflowState)
  InlineReflowState irs;
  irs.mPrevFrame = nsnull;
  irs.mLineContainer = lineContainer;
  irs.mNextInFlow = (nsInlineFrame*) GetNextInFlow();

  nsresult rv;
  PRBool wasEmpty = mFrames.IsEmpty();
  if (wasEmpty) {
    // Try to pull over one frame before starting so that we know
    // whether we have an anonymous block or not.
    PRBool complete;
    PullOneFrame(aPresContext, irs, &complete);
  }

  if (nsnull == GetPrevInFlow()) {
    // XXX This is pretty sick, but what we do here is to pull-up, in
    // advance, all of the next-in-flows children. We re-resolve their
    // style while we are at at it so that when we reflow they have
    // the right style.
    //
    // All of this is so that text-runs reflow properly.
    irs.mPrevFrame = mFrames.LastChild();
    for (;;) {
      PRBool complete;
      nsIFrame* frame = PullOneFrame(aPresContext, irs, &complete);
      if (!frame) {
        break;
      }
      irs.mPrevFrame = frame;
    }
    irs.mPrevFrame = nsnull;
  }
  else {
// XXX do this in the Init method instead
    // For continuations, we need to check and see if our style
    // context is right. If its the same as the first-in-flow, then
    // we need to fix it up (that way :first-line style doesn't leak
    // into this continuation since we aren't the first line).
    nsFirstLineFrame* first = (nsFirstLineFrame*) GetFirstInFlow();
    if (mStyleContext == first->mStyleContext) {
      // Fixup our style context and our children. First get the
      // proper parent context.
      nsStyleContext* parentContext = first->GetParent()->GetStyleContext();
      if (parentContext) {
        // Create a new style context that is a child of the parent
        // style context thus removing the :first-line style. This way
        // we behave as if an anonymous (unstyled) span was the child
        // of the parent frame.
        nsRefPtr<nsStyleContext> newSC;
        newSC = aPresContext->StyleSet()->
          ResolvePseudoStyleFor(nsnull,
                                nsCSSAnonBoxes::mozLineFrame, parentContext);
        if (newSC) {
          // Switch to the new style context.
          SetStyleContext(newSC);

          // Re-resolve all children
          ReParentChildListStyle(aPresContext, mFrames, this);
        }
      }
    }
  }

  NS_ASSERTION(!aReflowState.mLineLayout->GetInFirstLine(),
               "Nested first-line frames? BOGUS");
  aReflowState.mLineLayout->SetInFirstLine(PR_TRUE);
  rv = ReflowFrames(aPresContext, aReflowState, irs, aMetrics, aStatus);
  aReflowState.mLineLayout->SetInFirstLine(PR_FALSE);

  // Note: the line layout code will properly compute our overflow state for us

  return rv;
}