1 files changed, 111 insertions, 0 deletions
diff --git a/editor/libeditor/TypeInState.h b/editor/libeditor/TypeInState.h
new file mode 100644
index 000000000..540b2d9c1
--- /dev/null
+++ b/editor/libeditor/TypeInState.h
@@ -0,0 +1,111 @@
+/* -*- 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 TypeInState_h
+#define TypeInState_h
+
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISelectionListener.h"
+#include "nsISupportsImpl.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nscore.h"
+
+// Workaround for windows headers
+#ifdef SetProp
+#undef SetProp
+#endif
+
+class nsIAtom;
+class nsIDOMNode;
+
+namespace mozilla {
+
+class HTMLEditRules;
+namespace dom {
+class Selection;
+} // namespace dom
+
+struct PropItem
+{
+  nsIAtom* tag;
+  nsString attr;
+  nsString value;
+
+  PropItem();
+  PropItem(nsIAtom* aTag, const nsAString& aAttr, const nsAString& aValue);
+  ~PropItem();
+};
+
+class TypeInState final : public nsISelectionListener
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_CLASS(TypeInState)
+
+  TypeInState();
+  void Reset();
+
+  nsresult UpdateSelState(dom::Selection* aSelection);
+
+  // nsISelectionListener
+  NS_DECL_NSISELECTIONLISTENER
+
+  void SetProp(nsIAtom* aProp, const nsAString& aAttr, const nsAString& aValue);
+
+  void ClearAllProps();
+  void ClearProp(nsIAtom* aProp, const nsAString& aAttr);
+
+  /**
+   * TakeClearProperty() hands back next property item on the clear list.
+   * Caller assumes ownership of PropItem and must delete it.
+   */
+  PropItem* TakeClearProperty();
+
+  /**
+   * TakeSetProperty() hands back next property item on the set list.
+   * Caller assumes ownership of PropItem and must delete it.
+   */
+  PropItem* TakeSetProperty();
+
+  /**
+   * TakeRelativeFontSize() hands back relative font value, which is then
+   * cleared out.
+   */
+  int32_t TakeRelativeFontSize();
+
+  void GetTypingState(bool& isSet, bool& theSetting, nsIAtom* aProp);
+  void GetTypingState(bool& isSet, bool& theSetting, nsIAtom* aProp,
+                      const nsString& aAttr, nsString* outValue);
+
+  static bool FindPropInList(nsIAtom* aProp, const nsAString& aAttr,
+                             nsAString* outValue, nsTArray<PropItem*>& aList,
+                             int32_t& outIndex);
+
+protected:
+  virtual ~TypeInState();
+
+  void RemovePropFromSetList(nsIAtom* aProp, const nsAString& aAttr);
+  void RemovePropFromClearedList(nsIAtom* aProp, const nsAString& aAttr);
+  bool IsPropSet(nsIAtom* aProp, const nsAString& aAttr, nsAString* outValue);
+  bool IsPropSet(nsIAtom* aProp, const nsAString& aAttr, nsAString* outValue,
+                 int32_t& outIndex);
+  bool IsPropCleared(nsIAtom* aProp, const nsAString& aAttr);
+  bool IsPropCleared(nsIAtom* aProp, const nsAString& aAttr, int32_t& outIndex);
+
+  nsTArray<PropItem*> mSetArray;
+  nsTArray<PropItem*> mClearedArray;
+  int32_t mRelativeFontSize;
+  nsCOMPtr<nsIDOMNode> mLastSelectionContainer;
+  int32_t mLastSelectionOffset;
+
+  friend class HTMLEditRules;
+};
+
+} // namespace mozilla
+
+#endif  // #ifndef TypeInState_h
+