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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/InsertTextTransaction.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/editor/libeditor/InsertTextTransaction.h b/editor/libeditor/InsertTextTransaction.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 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