Add m-esr52 at 52.6.0

1 files changed, 75 insertions, 0 deletions

diff --git a/editor/txtsvc/nsFilteredContentIterator.h b/editor/txtsvc/nsFilteredContentIterator.h
new file mode 100644
index 000000000..9dde8132f
--- /dev/null
+++ b/editor/txtsvc/nsFilteredContentIterator.h
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsFilteredContentIterator_h__
+#define nsFilteredContentIterator_h__
+
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIContentIterator.h"
+#include "nsISupportsImpl.h"
+#include "nscore.h"
+
+class nsIAtom;
+class nsIDOMNode;
+class nsIDOMRange;
+class nsINode;
+class nsITextServicesFilter;
+class nsRange;
+
+class nsFilteredContentIterator final : public nsIContentIterator
+{
+public:
+
+  // nsISupports interface...
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS(nsFilteredContentIterator)
+
+  explicit nsFilteredContentIterator(nsITextServicesFilter* aFilter);
+
+  /* nsIContentIterator */
+  virtual nsresult Init(nsINode* aRoot) override;
+  virtual nsresult Init(nsIDOMRange* aRange) override;
+  virtual void First() override;
+  virtual void Last() override;
+  virtual void Next() override;
+  virtual void Prev() override;
+  virtual nsINode *GetCurrentNode() override;
+  virtual bool IsDone() override;
+  virtual nsresult PositionAt(nsINode* aCurNode) override;
+
+  /* Helpers */
+  bool DidSkip()      { return mDidSkip; }
+  void         ClearDidSkip() {  mDidSkip = false; }
+
+protected:
+  nsFilteredContentIterator() : mDidSkip(false), mIsOutOfRange(false) { }
+
+  virtual ~nsFilteredContentIterator();
+
+  // enum to give us the direction
+  typedef enum {eDirNotSet, eForward, eBackward} eDirectionType;
+  nsresult AdvanceNode(nsIDOMNode* aNode, nsIDOMNode*& aNewNode, eDirectionType aDir);
+  void CheckAdvNode(nsIDOMNode* aNode, bool& aDidSkip, eDirectionType aDir);
+  nsresult SwitchDirections(bool aChangeToForward);
+
+  nsCOMPtr<nsIContentIterator> mCurrentIterator;
+  nsCOMPtr<nsIContentIterator> mIterator;
+  nsCOMPtr<nsIContentIterator> mPreIterator;
+
+  nsCOMPtr<nsIAtom> mBlockQuoteAtom;
+  nsCOMPtr<nsIAtom> mScriptAtom;
+  nsCOMPtr<nsIAtom> mTextAreaAtom;
+  nsCOMPtr<nsIAtom> mSelectAreaAtom;
+  nsCOMPtr<nsIAtom> mMapAtom;
+
+  nsCOMPtr<nsITextServicesFilter> mFilter;
+  RefPtr<nsRange>               mRange;
+  bool                            mDidSkip;
+  bool                            mIsOutOfRange;
+  eDirectionType                  mDirection;
+};
+
+#endif