1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/libeditor/base/IMETextTxn.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,91 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef IMETextTxn_h__
1.10 +#define IMETextTxn_h__
1.11 +
1.12 +#include "EditTxn.h"
1.13 +#include "nsCOMPtr.h"
1.14 +#include "nsCycleCollectionParticipant.h"
1.15 +#include "nsID.h"
1.16 +#include "nsIDOMCharacterData.h"
1.17 +#include "nsString.h"
1.18 +#include "nscore.h"
1.19 +#include "mozilla/TextRange.h"
1.20 +
1.21 +class nsITransaction;
1.22 +
1.23 +// {D4D25721-2813-11d3-9EA3-0060089FE59B}
1.24 +#define IME_TEXT_TXN_CID \
1.25 +{0xd4d25721, 0x2813, 0x11d3, \
1.26 +{0x9e, 0xa3, 0x0, 0x60, 0x8, 0x9f, 0xe5, 0x9b }}
1.27 +
1.28 +
1.29 +class nsIEditor;
1.30 +
1.31 +
1.32 +/**
1.33 + * A transaction that inserts text into a content node.
1.34 + */
1.35 +class IMETextTxn : public EditTxn
1.36 +{
1.37 +public:
1.38 + static const nsIID& GetCID() { static const nsIID iid = IME_TEXT_TXN_CID; return iid; }
1.39 +
1.40 + /** initialize the transaction
1.41 + * @param aElement the text content node
1.42 + * @param aOffset the location in aElement to do the insertion
1.43 + * @param aReplaceLength the length of text to replace (0 == no replacement)
1.44 + * @param aTextRangeArray clauses and/or caret information. This may be null.
1.45 + * @param aString the new text to insert
1.46 + * @param aSelCon used to get and set the selection
1.47 + */
1.48 + NS_IMETHOD Init(nsIDOMCharacterData *aElement,
1.49 + uint32_t aOffset,
1.50 + uint32_t aReplaceLength,
1.51 + mozilla::TextRangeArray* aTextRangeArray,
1.52 + const nsAString& aString,
1.53 + nsIEditor* aEditor);
1.54 +
1.55 + IMETextTxn();
1.56 +
1.57 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IMETextTxn, EditTxn)
1.58 +
1.59 + NS_DECL_EDITTXN
1.60 +
1.61 + NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);
1.62 +
1.63 + NS_IMETHOD MarkFixed(void);
1.64 +
1.65 +// nsISupports declarations
1.66 +
1.67 + // override QueryInterface to handle IMETextTxn request
1.68 + NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
1.69 +
1.70 +protected:
1.71 +
1.72 + nsresult SetSelectionForRanges();
1.73 +
1.74 + /** the text element to operate upon */
1.75 + nsCOMPtr<nsIDOMCharacterData> mElement;
1.76 +
1.77 + /** the offsets into mElement where the insertion should be placed*/
1.78 + uint32_t mOffset;
1.79 +
1.80 + uint32_t mReplaceLength;
1.81 +
1.82 + /** the text to insert into mElement at mOffset */
1.83 + nsString mStringToInsert;
1.84 +
1.85 + /** the range list **/
1.86 + nsRefPtr<mozilla::TextRangeArray> mRanges;
1.87 +
1.88 + /** the editor, which is used to get the selection controller */
1.89 + nsIEditor *mEditor;
1.90 +
1.91 + bool mFixed;
1.92 +};
1.93 +
1.94 +#endif
