The Tor Browser: editor/libeditor/base/IMETextTxn.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 #ifndef IMETextTxn_h__

     7 #define IMETextTxn_h__

     9 #include "EditTxn.h"

    10 #include "nsCOMPtr.h"

    11 #include "nsCycleCollectionParticipant.h"

    12 #include "nsID.h"

    13 #include "nsIDOMCharacterData.h"

    14 #include "nsString.h"

    15 #include "nscore.h"

    16 #include "mozilla/TextRange.h"

    18 class nsITransaction;

    20 // {D4D25721-2813-11d3-9EA3-0060089FE59B}

    21 #define IME_TEXT_TXN_CID							\

    22 {0xd4d25721, 0x2813, 0x11d3,						\

    23 {0x9e, 0xa3, 0x0, 0x60, 0x8, 0x9f, 0xe5, 0x9b }}

    26 class nsIEditor;

    29 /**

    30   * A transaction that inserts text into a content node.

    31   */

    32 class IMETextTxn : public EditTxn

    33 {

    34 public:

    35   static const nsIID& GetCID() { static const nsIID iid = IME_TEXT_TXN_CID; return iid; }

    37   /** initialize the transaction

    38     * @param aElement the text content node

    39     * @param aOffset  the location in aElement to do the insertion

    40     * @param aReplaceLength the length of text to replace (0 == no replacement)

    41     * @param aTextRangeArray clauses and/or caret information. This may be null.

    42     * @param aString  the new text to insert

    43     * @param aSelCon used to get and set the selection

    44     */

    45   NS_IMETHOD Init(nsIDOMCharacterData *aElement,

    46                   uint32_t aOffset,

    47                   uint32_t aReplaceLength,

    48                   mozilla::TextRangeArray* aTextRangeArray,

    49                   const nsAString& aString,

    50                   nsIEditor* aEditor);

    52   IMETextTxn();

    54   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IMETextTxn, EditTxn)

    56   NS_DECL_EDITTXN

    58   NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);

    60   NS_IMETHOD MarkFixed(void);

    62 // nsISupports declarations

    64   // override QueryInterface to handle IMETextTxn request

    65   NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);

    67 protected:

    69   nsresult SetSelectionForRanges();

    71   /** the text element to operate upon */

    72   nsCOMPtr<nsIDOMCharacterData> mElement;

    74   /** the offsets into mElement where the insertion should be placed*/

    75   uint32_t mOffset;

    77   uint32_t mReplaceLength;

    79   /** the text to insert into mElement at mOffset */

    80   nsString mStringToInsert;

    82   /** the range list **/

    83   nsRefPtr<mozilla::TextRangeArray> mRanges;

    85   /** the editor, which is used to get the selection controller */

    86   nsIEditor *mEditor;

    88   bool	mFixed;

    89 };

    91 #endif

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