зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.3 KiB
C++
81 строка
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_SetTextTransaction_h
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#define mozilla_SetTextTransaction_h
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#include "mozilla/EditTransactionBase.h" // base class
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#include "nsCycleCollectionParticipant.h" // various macros
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#include "nsID.h" // NS_DECLARE_STATIC_IID_ACCESSOR
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#include "nsISupportsImpl.h" // NS_DECL_ISUPPORTS_INHERITED
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#include "nsString.h" // nsString members
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#include "nscore.h" // NS_IMETHOD, nsAString
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class nsITransaction;
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#define NS_SETTEXTTXN_IID \
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{ 0x568bac0b, 0xa42a, 0x4150, \
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{ 0xbd, 0x90, 0x34, 0xd0, 0x2f, 0x32, 0x74, 0x2e } }
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namespace mozilla {
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class EditorBase;
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class RangeUpdater;
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namespace dom {
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class Text;
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} // namespace dom
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/**
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* A transaction that inserts text into a content node.
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*/
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class SetTextTransaction final : public EditTransactionBase
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_SETTEXTTXN_IID)
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/**
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* @param aTextNode The text content node.
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* @param aString The new text to insert.
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* @param aEditorBase Used to get and set the selection.
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* @param aRangeUpdater The range updater
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*/
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SetTextTransaction(dom::Text& aTextNode,
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const nsAString& aString, EditorBase& aEditorBase,
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RangeUpdater* aRangeUpdater);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SetTextTransaction,
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EditTransactionBase)
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NS_DECL_EDITTRANSACTIONBASE
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NS_IMETHOD Merge(nsITransaction* aTransaction, bool* aDidMerge) override;
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private:
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virtual ~SetTextTransaction();
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// The Text node to operate upon.
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RefPtr<dom::Text> mTextNode;
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// The text to insert into mTextNode at mOffset.
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nsString mStringToSet;
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// The previous text for undo
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nsString mPreviousData;
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// The editor, which we'll need to get the selection.
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RefPtr<EditorBase> mEditorBase;
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RangeUpdater* mRangeUpdater;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(SetTextTransaction, NS_SETTEXTTXN_IID)
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} // namespace mozilla
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#endif // #ifndef mozilla_SetTextTransaction_h
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