зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.7 KiB
C++
89 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef InsertTextTransaction_h
|
|
#define InsertTextTransaction_h
|
|
|
|
#include "mozilla/EditTransactionBase.h" // base class
|
|
#include "nsCycleCollectionParticipant.h" // various macros
|
|
#include "nsID.h" // NS_DECLARE_STATIC_IID_ACCESSOR
|
|
#include "nsISupportsImpl.h" // NS_DECL_ISUPPORTS_INHERITED
|
|
#include "nsString.h" // nsString members
|
|
#include "nscore.h" // NS_IMETHOD, nsAString
|
|
|
|
class nsITransaction;
|
|
|
|
#define NS_INSERTTEXTTXN_IID \
|
|
{ 0x8c9ad77f, 0x22a7, 0x4d01, \
|
|
{ 0xb1, 0x59, 0x8a, 0x0f, 0xdb, 0x1d, 0x08, 0xe9 } }
|
|
|
|
namespace mozilla {
|
|
|
|
class EditorBase;
|
|
class RangeUpdater;
|
|
|
|
namespace dom {
|
|
class Text;
|
|
} // namespace dom
|
|
|
|
/**
|
|
* A transaction that inserts text into a content node.
|
|
*/
|
|
class InsertTextTransaction final : public EditTransactionBase
|
|
{
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_INSERTTEXTTXN_IID)
|
|
|
|
/**
|
|
* @param aElement The text content node.
|
|
* @param aOffset The location in aElement to do the insertion.
|
|
* @param aString The new text to insert.
|
|
* @param aPresShell Used to get and set the selection.
|
|
* @param aRangeUpdater The range updater
|
|
*/
|
|
InsertTextTransaction(dom::Text& aTextNode, uint32_t aOffset,
|
|
const nsAString& aString, EditorBase& aEditorBase,
|
|
RangeUpdater* aRangeUpdater);
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertTextTransaction,
|
|
EditTransactionBase)
|
|
|
|
NS_DECL_EDITTRANSACTIONBASE
|
|
|
|
NS_IMETHOD Merge(nsITransaction* aTransaction, bool* aDidMerge) override;
|
|
|
|
/**
|
|
* Return the string data associated with this transaction.
|
|
*/
|
|
void GetData(nsString& aResult);
|
|
|
|
private:
|
|
virtual ~InsertTextTransaction();
|
|
|
|
// Return true if aOtherTransaction immediately follows this transaction.
|
|
bool IsSequentialInsert(InsertTextTransaction& aOtherTrasaction);
|
|
|
|
// The Text node to operate upon.
|
|
RefPtr<dom::Text> mTextNode;
|
|
|
|
// The offset into mTextNode where the insertion is to take place.
|
|
uint32_t mOffset;
|
|
|
|
// The text to insert into mTextNode at mOffset.
|
|
nsString mStringToInsert;
|
|
|
|
// The editor, which we'll need to get the selection.
|
|
EditorBase& mEditorBase;
|
|
|
|
RangeUpdater* mRangeUpdater;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(InsertTextTransaction, NS_INSERTTEXTTXN_IID)
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // #ifndef InsertTextTransaction_h
|