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 "EditTransactionBase.h"
   7
   8 #include "mozilla/Logging.h"
   9
  10 #include "ChangeAttributeTransaction.h"
  11 #include "ChangeStyleTransaction.h"
  12 #include "CompositionTransaction.h"
  13 #include "DeleteContentTransactionBase.h"
  14 #include "DeleteMultipleRangesTransaction.h"
  15 #include "DeleteNodeTransaction.h"
  16 #include "DeleteRangeTransaction.h"
  17 #include "DeleteTextTransaction.h"
  18 #include "EditAggregateTransaction.h"
  19 #include "InsertNodeTransaction.h"
  20 #include "InsertTextTransaction.h"
  21 #include "JoinNodesTransaction.h"
  22 #include "MoveNodeTransaction.h"
  23 #include "PlaceholderTransaction.h"
  24 #include "ReplaceTextTransaction.h"
  25 #include "SplitNodeTransaction.h"
  26
  27 #include "nsError.h"
  28 #include "nsISupports.h"
  29
  30 namespace mozilla {
  31
  32 NS_IMPL_CYCLE_COLLECTION_CLASS(EditTransactionBase)
  33
  34 NS_IMPL_CYCLE_COLLECTION_UNLINK_0(EditTransactionBase)
  35 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(EditTransactionBase)
  36   // We don't have anything to traverse, but some of our subclasses do.
  37 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
  38
  39 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EditTransactionBase)
  40   NS_INTERFACE_MAP_ENTRY(nsITransaction)
  41   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsITransaction)
  42 NS_INTERFACE_MAP_END
  43
  44 NS_IMPL_CYCLE_COLLECTING_ADDREF(EditTransactionBase)
  45 NS_IMPL_CYCLE_COLLECTING_RELEASE(EditTransactionBase)
  46
  47 NS_IMETHODIMP EditTransactionBase::RedoTransaction() {
  48   MOZ_LOG(GetLogModule(), LogLevel::Info, ("%p %s", this, __FUNCTION__));
  49   return DoTransaction();
  50 }
  51
  52 NS_IMETHODIMP EditTransactionBase::GetIsTransient(bool* aIsTransient) {
  53   MOZ_LOG(GetLogModule(), LogLevel::Verbose,
  54           ("%p %s returned false", this, __FUNCTION__));
  55   *aIsTransient = false;
  56   return NS_OK;
  57 }
  58
  59 NS_IMETHODIMP EditTransactionBase::Merge(nsITransaction* aOtherTransaction,
  60                                          bool* aDidMerge) {
  61   MOZ_LOG(GetLogModule(), LogLevel::Info,
  62           ("%p %s(aOtherTransaction=%p) returned false", this, __FUNCTION__,
  63            aOtherTransaction));
  64   *aDidMerge = false;
  65   return NS_OK;
  66 }
  67
  68 // static
  69 LogModule* EditTransactionBase::GetLogModule() {
  70   static LazyLogModule sLog("EditorTransaction");
  71   return static_cast<LogModule*>(sLog);
  72 }
  73
  74 #define NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(aClass)           \
  75   aClass* EditTransactionBase::GetAs##aClass() { return nullptr; } \
  76   const aClass* EditTransactionBase::GetAs##aClass() const { return nullptr; }
  77
  78 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ChangeAttributeTransaction)
  79 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ChangeStyleTransaction)
  80 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(CompositionTransaction)
  81 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteContentTransactionBase)
  82 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteMultipleRangesTransaction)
  83 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteNodeTransaction)
  84 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteRangeTransaction)
  85 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteTextTransaction)
  86 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(EditAggregateTransaction)
  87 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(InsertNodeTransaction)
  88 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(InsertTextTransaction)
  89 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(JoinNodesTransaction)
  90 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(MoveNodeTransaction)
  91 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(PlaceholderTransaction)
  92 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ReplaceTextTransaction)
  93 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(SplitNodeTransaction)
  94
  95 #undef NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS
  96
  97 }  // namespace mozilla