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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /editor/libeditor/SetDocumentTitleTransaction.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/editor/libeditor/SetDocumentTitleTransaction.h b/editor/libeditor/SetDocumentTitleTransaction.h
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+/* -*- 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 SetDocumentTitleTransaction_h
+#define SetDocumentTitleTransaction_h
+
+#include "mozilla/EditTransactionBase.h" // for EditTransactionBase, etc.
+#include "nsString.h" // for nsString
+#include "nscore.h" // for NS_IMETHOD, nsAString, etc.
+
+class nsIHTMLEditor;
+
+namespace mozilla {
+
+/**
+ * A transaction that changes the document's title,
+ * which is a text node under the <title> tag in a page's <head> section
+ * provides default concrete behavior for all nsITransaction methods.
+ */
+class SetDocumentTitleTransaction final : public EditTransactionBase
+{
+public:
+ /**
+ * Initialize the transaction.
+ * @param aEditor The object providing core editing operations.
+ * @param aValue The new value for document title.
+ */
+ NS_IMETHOD Init(nsIHTMLEditor* aEditor,
+ const nsAString* aValue);
+ SetDocumentTitleTransaction();
+
+private:
+ nsresult SetDomTitle(const nsAString& aTitle);
+
+public:
+ NS_DECL_EDITTRANSACTIONBASE
+
+ NS_IMETHOD RedoTransaction() override;
+ NS_IMETHOD GetIsTransient(bool *aIsTransient) override;
+
+protected:
+
+ // The editor that created this transaction.
+ nsIHTMLEditor* mEditor;
+
+ // The new title string.
+ nsString mValue;
+
+ // The previous title string to use for undo.
+ nsString mUndoValue;
+
+ // Set true if we dont' really change the title during Do().
+ bool mIsTransient;
+};
+
+} // namespace mozilla
+
+#endif // #ifndef SetDocumentTitleTransaction_h