61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 SetDocumentTitleTransaction_h
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#define SetDocumentTitleTransaction_h
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#include "mozilla/EditTransactionBase.h" // for EditTransactionBase, etc.
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#include "nsString.h" // for nsString
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#include "nscore.h" // for NS_IMETHOD, nsAString, etc.
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class nsIHTMLEditor;
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namespace mozilla {
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/**
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* A transaction that changes the document's title,
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* which is a text node under the <title> tag in a page's <head> section
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* provides default concrete behavior for all nsITransaction methods.
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*/
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class SetDocumentTitleTransaction final : public EditTransactionBase
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{
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public:
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/**
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* Initialize the transaction.
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* @param aEditor The object providing core editing operations.
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* @param aValue The new value for document title.
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*/
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NS_IMETHOD Init(nsIHTMLEditor* aEditor,
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const nsAString* aValue);
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SetDocumentTitleTransaction();
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private:
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nsresult SetDomTitle(const nsAString& aTitle);
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public:
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NS_DECL_EDITTRANSACTIONBASE
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NS_IMETHOD RedoTransaction() override;
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NS_IMETHOD GetIsTransient(bool *aIsTransient) override;
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protected:
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// The editor that created this transaction.
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nsIHTMLEditor* mEditor;
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// The new title string.
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nsString mValue;
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// The previous title string to use for undo.
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nsString mUndoValue;
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// Set true if we dont' really change the title during Do().
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bool mIsTransient;
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};
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} // namespace mozilla
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#endif // #ifndef SetDocumentTitleTransaction_h
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