editor/libeditor/base/ChangeAttributeTxn.h@6474c204b198 (annotated)
editor/libeditor/base/ChangeAttributeTxn.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 ChangeAttributeTxn_h__ |
| michael@0 | 7 | #define ChangeAttributeTxn_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "EditTxn.h" |
| michael@0 | 10 | #include "nsCOMPtr.h" |
| michael@0 | 11 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 12 | #include "nsIDOMElement.h" |
| michael@0 | 13 | #include "nsISupportsImpl.h" |
| michael@0 | 14 | #include "nsString.h" |
| michael@0 | 15 | #include "nscore.h" |
| michael@0 | 16 | |
| michael@0 | 17 | class nsIEditor; |
| michael@0 | 18 | |
| michael@0 | 19 | /** |
| michael@0 | 20 | * A transaction that changes an attribute of a content node. |
| michael@0 | 21 | * This transaction covers add, remove, and change attribute. |
| michael@0 | 22 | */ |
| michael@0 | 23 | class ChangeAttributeTxn : public EditTxn |
| michael@0 | 24 | { |
| michael@0 | 25 | public: |
| michael@0 | 26 | /** Initialize the transaction. |
| michael@0 | 27 | * @param aEditor the object providing core editing operations |
| michael@0 | 28 | * @param aNode the node whose attribute will be changed |
| michael@0 | 29 | * @param aAttribute the name of the attribute to change |
| michael@0 | 30 | * @param aValue the new value for aAttribute, if aRemoveAttribute is false |
| michael@0 | 31 | * @param aRemoveAttribute if true, remove aAttribute from aNode |
| michael@0 | 32 | */ |
| michael@0 | 33 | NS_IMETHOD Init(nsIEditor *aEditor, |
| michael@0 | 34 | nsIDOMElement *aNode, |
| michael@0 | 35 | const nsAString& aAttribute, |
| michael@0 | 36 | const nsAString& aValue, |
| michael@0 | 37 | bool aRemoveAttribute); |
| michael@0 | 38 | |
| michael@0 | 39 | ChangeAttributeTxn(); |
| michael@0 | 40 | |
| michael@0 | 41 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 42 | NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ChangeAttributeTxn, EditTxn) |
| michael@0 | 43 | |
| michael@0 | 44 | NS_DECL_EDITTXN |
| michael@0 | 45 | |
| michael@0 | 46 | NS_IMETHOD RedoTransaction(); |
| michael@0 | 47 | |
| michael@0 | 48 | protected: |
| michael@0 | 49 | |
| michael@0 | 50 | /** the editor that created this transaction */ |
| michael@0 | 51 | nsIEditor* mEditor; |
| michael@0 | 52 | |
| michael@0 | 53 | /** the element to operate upon */ |
| michael@0 | 54 | nsCOMPtr<nsIDOMElement> mElement; |
| michael@0 | 55 | |
| michael@0 | 56 | /** the attribute to change */ |
| michael@0 | 57 | nsString mAttribute; |
| michael@0 | 58 | |
| michael@0 | 59 | /** the value to set the attribute to (ignored if mRemoveAttribute==true) */ |
| michael@0 | 60 | nsString mValue; |
| michael@0 | 61 | |
| michael@0 | 62 | /** the value to set the attribute to for undo */ |
| michael@0 | 63 | nsString mUndoValue; |
| michael@0 | 64 | |
| michael@0 | 65 | /** true if the mAttribute was set on mElement at the time of execution */ |
| michael@0 | 66 | bool mAttributeWasSet; |
| michael@0 | 67 | |
| michael@0 | 68 | /** true if the operation is to remove mAttribute from mElement */ |
| michael@0 | 69 | bool mRemoveAttribute; |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | #endif |
