From 564d7fbeae25e5e1b8106bd99b5ac6fb346a50d7 Mon Sep 17 00:00:00 2001
From: Timothy Nikkel <tnikkel@gmail.com>
Date: Thu, 26 Aug 2010 22:01:43 -0500
Subject: [PATCH] imported patch addignoresuppressiontobuilder

---
 layout/base/nsDisplayList.cpp |  1 +
 layout/base/nsDisplayList.h   | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/layout/base/nsDisplayList.cpp b/layout/base/nsDisplayList.cpp
index 63be3736371..a4ec55db2fb 100644
--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -74,6 +74,7 @@ nsDisplayListBuilder::nsDisplayListBuilder(nsIFrame* aReferenceFrame,
       mCurrentTableItem(nsnull),
       mBuildCaret(aBuildCaret),
       mEventDelivery(aIsForEvents),
+      mIgnoreSuppression(PR_FALSE),
       mIsAtRootOfPseudoStackingContext(PR_FALSE),
       mSelectedFramesOnly(PR_FALSE),
       mAccurateVisibleRegions(PR_FALSE),
diff --git a/layout/base/nsDisplayList.h b/layout/base/nsDisplayList.h
index f72512502e4..6f58763347c 100644
--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -213,7 +213,15 @@ public:
    * Allows callers to selectively override the regular paint suppression checks,
    * so that methods like GetFrameForPoint work when painting is suppressed.
    */
-  void IgnorePaintSuppression() { mIsBackgroundOnly = PR_FALSE; }
+  void IgnorePaintSuppression() {
+    mIsBackgroundOnly = PR_FALSE;
+    mIgnoreSuppression = PR_TRUE;
+  }
+  /**
+   * @return PR_TRUE if this builder is set to ignore painting suppression in
+   * all documents.
+   */
+  PRBool IsIgnoringPaintSuppression() { return mIgnoreSuppression; }
   /**
    * Call this if we're doing normal painting to the window.
    */
@@ -386,6 +394,7 @@ private:
   PRPackedBool                   mBuildCaret;
   PRPackedBool                   mEventDelivery;
   PRPackedBool                   mIsBackgroundOnly;
+  PRPackedBool                   mIgnoreSuppression;
   PRPackedBool                   mIsAtRootOfPseudoStackingContext;
   PRPackedBool                   mSelectedFramesOnly;
   PRPackedBool                   mAccurateVisibleRegions;