editor/libeditor/base/DeleteRangeTxn.h@6474c204b198 (annotated)
editor/libeditor/base/DeleteRangeTxn.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef DeleteRangeTxn_h__ |
| michael@0 | 7 | #define DeleteRangeTxn_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "EditAggregateTxn.h" |
| michael@0 | 10 | #include "EditTxn.h" |
| michael@0 | 11 | #include "nsAutoPtr.h" |
| michael@0 | 12 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 13 | #include "nsID.h" |
| michael@0 | 14 | #include "nsIEditor.h" |
| michael@0 | 15 | #include "nsISupportsImpl.h" |
| michael@0 | 16 | #include "nsRange.h" |
| michael@0 | 17 | #include "nscore.h" |
| michael@0 | 18 | |
| michael@0 | 19 | class nsEditor; |
| michael@0 | 20 | class nsINode; |
| michael@0 | 21 | class nsRangeUpdater; |
| michael@0 | 22 | |
| michael@0 | 23 | /** |
| michael@0 | 24 | * A transaction that deletes an entire range in the content tree |
| michael@0 | 25 | */ |
| michael@0 | 26 | class DeleteRangeTxn : public EditAggregateTxn |
| michael@0 | 27 | { |
| michael@0 | 28 | public: |
| michael@0 | 29 | /** initialize the transaction. |
| michael@0 | 30 | * @param aEditor the object providing basic editing operations |
| michael@0 | 31 | * @param aRange the range to delete |
| michael@0 | 32 | */ |
| michael@0 | 33 | nsresult Init(nsEditor* aEditor, |
| michael@0 | 34 | nsRange* aRange, |
| michael@0 | 35 | nsRangeUpdater* aRangeUpdater); |
| michael@0 | 36 | |
| michael@0 | 37 | DeleteRangeTxn(); |
| michael@0 | 38 | |
| michael@0 | 39 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DeleteRangeTxn, EditAggregateTxn) |
| michael@0 | 40 | NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr); |
| michael@0 | 41 | |
| michael@0 | 42 | NS_DECL_EDITTXN |
| michael@0 | 43 | |
| michael@0 | 44 | NS_IMETHOD RedoTransaction(); |
| michael@0 | 45 | |
| michael@0 | 46 | virtual void LastRelease() |
| michael@0 | 47 | { |
| michael@0 | 48 | mRange = nullptr; |
| michael@0 | 49 | EditAggregateTxn::LastRelease(); |
| michael@0 | 50 | } |
| michael@0 | 51 | protected: |
| michael@0 | 52 | |
| michael@0 | 53 | nsresult CreateTxnsToDeleteBetween(nsINode* aNode, |
| michael@0 | 54 | int32_t aStartOffset, |
| michael@0 | 55 | int32_t aEndOffset); |
| michael@0 | 56 | |
| michael@0 | 57 | nsresult CreateTxnsToDeleteNodesBetween(); |
| michael@0 | 58 | |
| michael@0 | 59 | nsresult CreateTxnsToDeleteContent(nsINode* aParent, |
| michael@0 | 60 | int32_t aOffset, |
| michael@0 | 61 | nsIEditor::EDirection aAction); |
| michael@0 | 62 | |
| michael@0 | 63 | protected: |
| michael@0 | 64 | |
| michael@0 | 65 | /** p1 in the range */ |
| michael@0 | 66 | nsRefPtr<nsRange> mRange; |
| michael@0 | 67 | |
| michael@0 | 68 | /** the editor for this transaction */ |
| michael@0 | 69 | nsEditor* mEditor; |
| michael@0 | 70 | |
| michael@0 | 71 | /** range updater object */ |
| michael@0 | 72 | nsRangeUpdater* mRangeUpdater; |
| michael@0 | 73 | }; |
| michael@0 | 74 | |
| michael@0 | 75 | #endif |
