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comparison: editor/libeditor/base/InsertTextTxn.h
editor/libeditor/base/InsertTextTxn.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:e11740c73cba |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef InsertTextTxn_h__ | |
| 7 #define InsertTextTxn_h__ | |
| 8 | |
| 9 #include "EditTxn.h" // for EditTxn, NS_DECL_EDITTXN | |
| 10 #include "nsCOMPtr.h" // for nsCOMPtr | |
| 11 #include "nsCycleCollectionParticipant.h" | |
| 12 #include "nsID.h" // for nsIID | |
| 13 #include "nsIDOMCharacterData.h" // for nsIDOMCharacterData | |
| 14 #include "nsISupportsImpl.h" // for NS_DECL_ISUPPORTS_INHERITED | |
| 15 #include "nsString.h" // for nsString | |
| 16 #include "nscore.h" // for NS_IMETHOD, nsAString | |
| 17 | |
| 18 class nsIEditor; | |
| 19 class nsITransaction; | |
| 20 | |
| 21 | |
| 22 #define INSERT_TEXT_TXN_CID \ | |
| 23 {/* 93276f00-ab2c-11d2-8f4b-006008159b0c*/ \ | |
| 24 0x93276f00, 0xab2c, 0x11d2, \ | |
| 25 {0x8f, 0xb4, 0x0, 0x60, 0x8, 0x15, 0x9b, 0xc} } | |
| 26 | |
| 27 /** | |
| 28 * A transaction that inserts text into a content node. | |
| 29 */ | |
| 30 class InsertTextTxn : public EditTxn | |
| 31 { | |
| 32 public: | |
| 33 | |
| 34 static const nsIID& GetCID() { static const nsIID iid = INSERT_TEXT_TXN_CID; return iid; } | |
| 35 | |
| 36 /** initialize the transaction | |
| 37 * @param aElement the text content node | |
| 38 * @param aOffset the location in aElement to do the insertion | |
| 39 * @param aString the new text to insert | |
| 40 * @param aPresShell used to get and set the selection | |
| 41 */ | |
| 42 NS_IMETHOD Init(nsIDOMCharacterData *aElement, | |
| 43 uint32_t aOffset, | |
| 44 const nsAString& aString, | |
| 45 nsIEditor *aEditor); | |
| 46 | |
| 47 InsertTextTxn(); | |
| 48 | |
| 49 NS_DECL_ISUPPORTS_INHERITED | |
| 50 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertTextTxn, EditTxn) | |
| 51 | |
| 52 NS_DECL_EDITTXN | |
| 53 | |
| 54 NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge); | |
| 55 | |
| 56 /** return the string data associated with this transaction */ | |
| 57 NS_IMETHOD GetData(nsString& aResult); | |
| 58 | |
| 59 protected: | |
| 60 | |
| 61 /** return true if aOtherTxn immediately follows this txn */ | |
| 62 virtual bool IsSequentialInsert(InsertTextTxn *aOtherTxn); | |
| 63 | |
| 64 /** the text element to operate upon */ | |
| 65 nsCOMPtr<nsIDOMCharacterData> mElement; | |
| 66 | |
| 67 /** the offset into mElement where the insertion is to take place */ | |
| 68 uint32_t mOffset; | |
| 69 | |
| 70 /** the text to insert into mElement at mOffset */ | |
| 71 nsString mStringToInsert; | |
| 72 | |
| 73 /** the editor, which we'll need to get the selection */ | |
| 74 nsIEditor *mEditor; | |
| 75 }; | |
| 76 | |
| 77 #endif |
