editor/libeditor/EditTransactionBase.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "mozilla/EditTransactionBase.h"
   7
   8 #include "ChangeAttributeTransaction.h"
   9 #include "ChangeStyleTransaction.h"
  10 #include "CompositionTransaction.h"
  11 #include "CreateElementTransaction.h"
  12 #include "DeleteNodeTransaction.h"
  13 #include "DeleteRangeTransaction.h"
  14 #include "DeleteTextTransaction.h"
  15 #include "EditAggregateTransaction.h"
  16 #include "InsertNodeTransaction.h"
  17 #include "InsertTextTransaction.h"
  18 #include "JoinNodeTransaction.h"
  19 #include "PlaceholderTransaction.h"
  20 #include "ReplaceTextTransaction.h"
  21 #include "SplitNodeTransaction.h"
  22
  23 #include "nsError.h"
  24 #include "nsISupportsBase.h"
  25
  26 namespace mozilla {
  27
  28 NS_IMPL_CYCLE_COLLECTION_CLASS(EditTransactionBase)
  29
  30 NS_IMPL_CYCLE_COLLECTION_UNLINK_0(EditTransactionBase)
  31 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(EditTransactionBase)
  32   // We don't have anything to traverse, but some of our subclasses do.
  33 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
  34
  35 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EditTransactionBase)
  36   NS_INTERFACE_MAP_ENTRY(nsITransaction)
  37   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsITransaction)
  38 NS_INTERFACE_MAP_END
  39
  40 NS_IMPL_CYCLE_COLLECTING_ADDREF(EditTransactionBase)
  41 NS_IMPL_CYCLE_COLLECTING_RELEASE(EditTransactionBase)
  42
  43 NS_IMETHODIMP EditTransactionBase::RedoTransaction() { return DoTransaction(); }
  44
  45 NS_IMETHODIMP EditTransactionBase::GetIsTransient(bool* aIsTransient) {
  46   *aIsTransient = false;
  47
  48   return NS_OK;
  49 }
  50
  51 NS_IMETHODIMP EditTransactionBase::Merge(nsITransaction* aOtherTransaction,
  52                                          bool* aDidMerge) {
  53   *aDidMerge = false;
  54   return NS_OK;
  55 }
  56
  57 #define NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(aClass)           \
  58   aClass* EditTransactionBase::GetAs##aClass() { return nullptr; } \
  59   const aClass* EditTransactionBase::GetAs##aClass() const { return nullptr; }
  60
  61 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ChangeAttributeTransaction)
  62 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ChangeStyleTransaction)
  63 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(CompositionTransaction)
  64 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(CreateElementTransaction)
  65 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteNodeTransaction)
  66 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteRangeTransaction)
  67 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteTextTransaction)
  68 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(EditAggregateTransaction)
  69 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(InsertNodeTransaction)
  70 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(InsertTextTransaction)
  71 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(JoinNodeTransaction)
  72 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(PlaceholderTransaction)
  73 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ReplaceTextTransaction)
  74 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(SplitNodeTransaction)
  75
  76 #undef NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS
  77
  78 }  // namespace mozilla