1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/editor/libeditor/base/InsertTextTxn.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,77 @@
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 InsertTextTxn_h__
1.10 +#define InsertTextTxn_h__
1.11 +
1.12 +#include "EditTxn.h" // for EditTxn, NS_DECL_EDITTXN
1.13 +#include "nsCOMPtr.h" // for nsCOMPtr
1.14 +#include "nsCycleCollectionParticipant.h"
1.15 +#include "nsID.h" // for nsIID
1.16 +#include "nsIDOMCharacterData.h" // for nsIDOMCharacterData
1.17 +#include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS_INHERITED
1.18 +#include "nsString.h" // for nsString
1.19 +#include "nscore.h" // for NS_IMETHOD, nsAString
1.20 +
1.21 +class nsIEditor;
1.22 +class nsITransaction;
1.23 +
1.24 +
1.25 +#define INSERT_TEXT_TXN_CID \
1.26 +{/* 93276f00-ab2c-11d2-8f4b-006008159b0c*/ \
1.27 +0x93276f00, 0xab2c, 0x11d2, \
1.28 +{0x8f, 0xb4, 0x0, 0x60, 0x8, 0x15, 0x9b, 0xc} }
1.29 +
1.30 +/**
1.31 + * A transaction that inserts text into a content node.
1.32 + */
1.33 +class InsertTextTxn : public EditTxn
1.34 +{
1.35 +public:
1.36 +
1.37 + static const nsIID& GetCID() { static const nsIID iid = INSERT_TEXT_TXN_CID; return iid; }
1.38 +
1.39 + /** initialize the transaction
1.40 + * @param aElement the text content node
1.41 + * @param aOffset the location in aElement to do the insertion
1.42 + * @param aString the new text to insert
1.43 + * @param aPresShell used to get and set the selection
1.44 + */
1.45 + NS_IMETHOD Init(nsIDOMCharacterData *aElement,
1.46 + uint32_t aOffset,
1.47 + const nsAString& aString,
1.48 + nsIEditor *aEditor);
1.49 +
1.50 + InsertTextTxn();
1.51 +
1.52 + NS_DECL_ISUPPORTS_INHERITED
1.53 + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertTextTxn, EditTxn)
1.54 +
1.55 + NS_DECL_EDITTXN
1.56 +
1.57 + NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);
1.58 +
1.59 + /** return the string data associated with this transaction */
1.60 + NS_IMETHOD GetData(nsString& aResult);
1.61 +
1.62 +protected:
1.63 +
1.64 + /** return true if aOtherTxn immediately follows this txn */
1.65 + virtual bool IsSequentialInsert(InsertTextTxn *aOtherTxn);
1.66 +
1.67 + /** the text element to operate upon */
1.68 + nsCOMPtr<nsIDOMCharacterData> mElement;
1.69 +
1.70 + /** the offset into mElement where the insertion is to take place */
1.71 + uint32_t mOffset;
1.72 +
1.73 + /** the text to insert into mElement at mOffset */
1.74 + nsString mStringToInsert;
1.75 +
1.76 + /** the editor, which we'll need to get the selection */
1.77 + nsIEditor *mEditor;
1.78 +};
1.79 +
1.80 +#endif
