Bug 1048752. Part 23: Remove aIgnoreDrawnState from MustDrawCaret. r=tn

--HG--
extra : rebase_source : 20e724ce09deec3987437838ac9f05e84ddbe2fd

layout/base/nsCaret.cpp

@@ -277,7 +277,7 @@ void nsCaret::SetCaretVisible(bool inMakeVisible)
 nsresult nsCaret::GetCaretVisible(bool *outMakeVisible)
 {
   NS_ENSURE_ARG_POINTER(outMakeVisible);
-  *outMakeVisible = (mVisible && MustDrawCaret(true));
+  *outMakeVisible = (mVisible && MustDrawCaret());
   return NS_OK;
 }
 
@@ -893,13 +893,13 @@ nsCaret::CheckCaretDrawingState()
 {
   if (mDrawn) {
     // The caret is drawn; if it shouldn't be, erase it.
-    if (!mVisible || !MustDrawCaret(true))
+    if (!mVisible || !MustDrawCaret())
       EraseCaret();
   }
   else
   {
     // The caret is not drawn; if it should be, draw it.
-    if (mPendingDraw && (mVisible && MustDrawCaret(true)))
+    if (mPendingDraw && (mVisible && MustDrawCaret()))
       DrawCaret(true);
   }
 }
@@ -935,11 +935,8 @@ size_t nsCaret::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
      (see IsMenuPopupHidingCaret()).
   
 ----------------------------------------------------------------------------- */
-bool nsCaret::MustDrawCaret(bool aIgnoreDrawnState)
+bool nsCaret::MustDrawCaret()
 {
-  if (!aIgnoreDrawnState && mDrawn)
-    return true;
-
   nsCOMPtr<nsISelection> domSelection = do_QueryReferent(mDomSelectionWeak);
   if (!domSelection)
     return false;
@@ -1009,7 +1006,7 @@ bool nsCaret::IsMenuPopupHidingCaret()
 void nsCaret::DrawCaret(bool aInvalidate)
 {
   // Do we need to draw the caret at all?
-  if (!MustDrawCaret(false))
+  if (!mDrawn && !MustDrawCaret())
     return;
   
   // Can we draw the caret now?

layout/base/nsCaret.h

@@ -188,12 +188,10 @@ protected:
                                         nsRect*   aRect,
                                         nscoord*  aBidiIndicatorSize);
 
-    // Returns true if the caret should be drawn. When |mDrawn| is true,
+    // Returns true if the caret should be drawn. We don't take into account
-    // this returns true, so that we erase the drawn caret. If |aIgnoreDrawnState|
+    // whether the caret is currently drawn or not. This can be used to
-    // is true, we don't take into account whether the caret is currently
+    // determine if the caret is drawn when it shouldn't be.
-    // drawn or not. This can be used to determine if the caret is drawn when
+    bool          MustDrawCaret();
-    // it shouldn't be.
-    bool          MustDrawCaret(bool aIgnoreDrawnState);
 
     void          DrawCaret(bool aInvalidate);
     void          DrawCaretAfterBriefDelay();