Make the ranges used by find code able to span anonymous content. Bug 384706,

r+sr=sicking

content/base/public/nsIRange.h

@@ -56,7 +56,8 @@ public:
       mStartOffset(0),
       mEndOffset(0),
       mIsPositioned(PR_FALSE),
-      mIsDetached(PR_FALSE)
+      mIsDetached(PR_FALSE),
+      mMaySpanAnonymousSubtrees(PR_FALSE)
   {
   }
 
@@ -101,6 +102,11 @@ public:
            mStartOffset == mEndOffset;
   }
 
+  void SetMaySpanAnonymousSubtrees(PRBool aMaySpanAnonymousSubtrees)
+  {
+    mMaySpanAnonymousSubtrees = aMaySpanAnonymousSubtrees;
+  }
+
   virtual nsINode* GetCommonAncestor() = 0;
 
   virtual void Reset() = 0;
@@ -114,6 +120,7 @@ protected:
 
   PRPackedBool mIsPositioned;
   PRPackedBool mIsDetached;
+  PRPackedBool mMaySpanAnonymousSubtrees;
 };
 
 NS_DEFINE_STATIC_IID_ACCESSOR(nsIRange, NS_IRANGE_IID)

content/base/src/nsRange.cpp

@@ -388,8 +388,6 @@ nsRange::ComparePoint(nsIDOMNode* aParent, PRInt32 aOffset, PRInt16* aResult)
  * Private helper routines
  ******************************************************/
 
-static nsINode* IsValidBoundary(nsINode* aNode);
-
 // Get the length of aNode
 static PRInt32 GetNodeLength(nsINode *aNode)
 {
@@ -551,8 +549,7 @@ nsresult nsRange::GetCommonAncestorContainer(nsIDOMNode** aCommonParent)
   return NS_ERROR_NOT_INITIALIZED;
 }
 
-static nsINode*
-IsValidBoundary(nsINode* aNode)
+nsINode* nsRange::IsValidBoundary(nsINode* aNode)
 {
   if (!aNode) {
     return nsnull;
@@ -564,11 +561,13 @@ IsValidBoundary(nsINode* aNode)
       return nsnull;
     }
 
-    // If the node has a binding parent, that should be the root.
-    // XXXbz maybe only for native anonymous content?
-    nsINode* root = content->GetBindingParent();
-    if (root) {
-      return root;
+    if (!mMaySpanAnonymousSubtrees) {
+      // If the node has a binding parent, that should be the root.
+      // XXXbz maybe only for native anonymous content?
+      nsINode* root = content->GetBindingParent();
+      if (root) {
+        return root;
+      }
     }
   }
 
@@ -1546,6 +1545,8 @@ nsresult nsRange::CloneRange(nsIDOMRange** aReturn)
 
   NS_ADDREF(*aReturn = range);
   
+  range->SetMaySpanAnonymousSubtrees(mMaySpanAnonymousSubtrees);
+
   range->DoSetRange(mStartParent, mStartOffset, mEndParent, mEndOffset, mRoot);
 
   return NS_OK;

content/base/src/nsRange.h

@@ -116,6 +116,8 @@ private:
   nsRange(const nsRange&);
   nsRange& operator=(const nsRange&);
 
+  nsINode* IsValidBoundary(nsINode* aNode);
+ 
 public:
 /******************************************************************************
  *  Utility routine to detect if a content node starts before a range and/or 

embedding/components/find/src/nsFind.cpp

@@ -1,5 +1,4 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; 
-c-basic-offset: 2 -*- */
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
@@ -65,6 +64,7 @@ c-basic-offset: 2 -*- */
 #include "nsIDOMElement.h"
 #include "nsIWordBreaker.h"
 #include "nsCRT.h"
+#include "nsIRange.h"
 
 // Yikes!  Casting a char to unichar can fill with ones!
 #define CHAR_TO_UNICHAR(c) ((PRUnichar)(const unsigned char)c)
@@ -300,10 +300,10 @@ nsFindContentIterator::Reset()
     }
   }
 
-  // Note: OK to just set up the outer iterator here; if our range has an
+  // Note: OK to just set up the outer iterator here; if our range has a native
   // anonymous endpoint we'll end up setting up an inner iterator, and
   // reset the outer one in the process.
-  nsCOMPtr<nsIDOMRange> range (do_CreateInstance(kRangeCID));
+  nsCOMPtr<nsIDOMRange> range = nsFind::CreateRange();
   range->SetStart(mStartNode, mStartOffset);
   range->SetEnd(mEndNode, mEndOffset);
   mOuterIterator->Init(range);
@@ -400,8 +400,8 @@ nsFindContentIterator::SetupInnerIterator(nsIContent* aContent)
   editor->GetRootElement(getter_AddRefs(rootElement));
   nsCOMPtr<nsIContent> rootContent(do_QueryInterface(rootElement));
 
-  nsCOMPtr<nsIDOMRange> innerRange(do_CreateInstance(kRangeCID));
-  nsCOMPtr<nsIDOMRange> outerRange(do_CreateInstance(kRangeCID));
+  nsCOMPtr<nsIDOMRange> innerRange = nsFind::CreateRange();
+  nsCOMPtr<nsIDOMRange> outerRange = nsFind::CreateRange();
   if (!innerRange || !outerRange) {
     return;
   }
@@ -1210,7 +1210,7 @@ nsFind::Find(const PRUnichar *aPatText, nsIDOMRange* aSearchRange,
         // Make the range:
         nsCOMPtr<nsIDOMNode> startParent;
         nsCOMPtr<nsIDOMNode> endParent;
-        nsCOMPtr<nsIDOMRange> range (do_CreateInstance(kRangeCID));
+        nsCOMPtr<nsIDOMRange> range = CreateRange();
         if (range)
         {
           PRInt32 matchStartOffset, matchEndOffset;
@@ -1327,4 +1327,18 @@ nsFind::Find(const PRUnichar *aPatText, nsIDOMRange* aSearchRange,
   return NS_OK;
 }
 
+/* static */
+already_AddRefed<nsIDOMRange>
+nsFind::CreateRange()
+{
+  nsCOMPtr<nsIRange> range = do_CreateInstance(kRangeCID);
+  if (!range) {
+    return nsnull;
+  }
 
+  range->SetMaySpanAnonymousSubtrees(PR_TRUE);
+
+  nsIDOMRange* result;
+  CallQueryInterface(range.get(), &result);
+  return result;
+}

embedding/components/find/src/nsFind.h

@@ -67,6 +67,8 @@ public:
   nsFind();
   virtual ~nsFind();
 
+  static already_AddRefed<nsIDOMRange> CreateRange();
+
 protected:
   static PRInt32 sInstanceCount;
 

embedding/components/find/src/nsWebBrowserFind.cpp

@@ -73,6 +73,7 @@
 #include "nsIObserverService.h"
 #include "nsISupportsPrimitives.h"
 #include "nsITimelineService.h"
+#include "nsFind.h"
 
 #if DEBUG
 #include "nsIWebNavigation.h"
@@ -85,8 +86,6 @@
 #endif
 
 
-static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
-
 //*****************************************************************************
 // nsWebBrowserFind
 //*****************************************************************************
@@ -771,11 +770,11 @@ nsresult nsWebBrowserFind::SearchInFrame(nsIDOMWindow* aWindow,
     GetFrameSelection(aWindow, getter_AddRefs(sel));
     NS_ENSURE_ARG_POINTER(sel);
 
-    nsCOMPtr<nsIDOMRange> searchRange (do_CreateInstance(kRangeCID));
+    nsCOMPtr<nsIDOMRange> searchRange = nsFind::CreateRange();
     NS_ENSURE_ARG_POINTER(searchRange);
-    nsCOMPtr<nsIDOMRange> startPt (do_CreateInstance(kRangeCID));
+    nsCOMPtr<nsIDOMRange> startPt  = nsFind::CreateRange();
     NS_ENSURE_ARG_POINTER(startPt);
-    nsCOMPtr<nsIDOMRange> endPt (do_CreateInstance(kRangeCID));
+    nsCOMPtr<nsIDOMRange> endPt  = nsFind::CreateRange();
     NS_ENSURE_ARG_POINTER(endPt);
 
     nsCOMPtr<nsIDOMRange> foundRange;