michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef IMETextTxn_h__
michael@0: #define IMETextTxn_h__
michael@0: 
michael@0: #include "EditTxn.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsID.h"
michael@0: #include "nsIDOMCharacterData.h"
michael@0: #include "nsString.h"
michael@0: #include "nscore.h"
michael@0: #include "mozilla/TextRange.h"
michael@0: 
michael@0: class nsITransaction;
michael@0: 
michael@0: // {D4D25721-2813-11d3-9EA3-0060089FE59B}
michael@0: #define IME_TEXT_TXN_CID							\
michael@0: {0xd4d25721, 0x2813, 0x11d3,						\
michael@0: {0x9e, 0xa3, 0x0, 0x60, 0x8, 0x9f, 0xe5, 0x9b }}
michael@0: 
michael@0: 
michael@0: class nsIEditor;
michael@0: 
michael@0: 
michael@0: /**
michael@0:   * A transaction that inserts text into a content node. 
michael@0:   */
michael@0: class IMETextTxn : public EditTxn
michael@0: {
michael@0: public:
michael@0:   static const nsIID& GetCID() { static const nsIID iid = IME_TEXT_TXN_CID; return iid; }
michael@0: 
michael@0:   /** initialize the transaction
michael@0:     * @param aElement the text content node
michael@0:     * @param aOffset  the location in aElement to do the insertion
michael@0:     * @param aReplaceLength the length of text to replace (0 == no replacement)
michael@0:     * @param aTextRangeArray clauses and/or caret information. This may be null.
michael@0:     * @param aString  the new text to insert
michael@0:     * @param aSelCon used to get and set the selection
michael@0:     */
michael@0:   NS_IMETHOD Init(nsIDOMCharacterData *aElement,
michael@0:                   uint32_t aOffset,
michael@0:                   uint32_t aReplaceLength,
michael@0:                   mozilla::TextRangeArray* aTextRangeArray,
michael@0:                   const nsAString& aString,
michael@0:                   nsIEditor* aEditor);
michael@0: 
michael@0:   IMETextTxn();
michael@0: 
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IMETextTxn, EditTxn)
michael@0: 
michael@0:   NS_DECL_EDITTXN
michael@0: 
michael@0:   NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);
michael@0: 
michael@0:   NS_IMETHOD MarkFixed(void);
michael@0: 
michael@0: // nsISupports declarations
michael@0: 
michael@0:   // override QueryInterface to handle IMETextTxn request
michael@0:   NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   nsresult SetSelectionForRanges();
michael@0: 
michael@0:   /** the text element to operate upon */
michael@0:   nsCOMPtr<nsIDOMCharacterData> mElement;
michael@0:   
michael@0:   /** the offsets into mElement where the insertion should be placed*/
michael@0:   uint32_t mOffset;
michael@0: 
michael@0:   uint32_t mReplaceLength;
michael@0: 
michael@0:   /** the text to insert into mElement at mOffset */
michael@0:   nsString mStringToInsert;
michael@0: 
michael@0:   /** the range list **/
michael@0:   nsRefPtr<mozilla::TextRangeArray> mRanges;
michael@0: 
michael@0:   /** the editor, which is used to get the selection controller */
michael@0:   nsIEditor *mEditor;
michael@0: 
michael@0:   bool	mFixed;
michael@0: };
michael@0: 
michael@0: #endif