tor-browser

The Tor Browser
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EditTransactionBase.cpp (4235B)

      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(MoveNodeTransactionBase)
     92 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(MoveSiblingsTransaction)
     93 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(PlaceholderTransaction)
     94 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ReplaceTextTransaction)
     95 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(SplitNodeTransaction)
     96 
     97 // protected methods
     98 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(CompositionInTextNodeTransaction)
     99 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(DeleteTextFromTextNodeTransaction)
    100 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(InsertTextIntoTextNodeTransaction)
    101 NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS(ReplaceTextInTextNodeTransaction)
    102 
    103 #undef NS_IMPL_EDITTRANSACTIONBASE_GETASMETHODS
    104 
    105 }  // namespace mozilla