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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /editor/libeditor/EditAggregateTransaction.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'editor/libeditor/EditAggregateTransaction.cpp')
-rw-r--r-- | editor/libeditor/EditAggregateTransaction.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/editor/libeditor/EditAggregateTransaction.cpp b/editor/libeditor/EditAggregateTransaction.cpp new file mode 100644 index 0000000000..d5be20ac00 --- /dev/null +++ b/editor/libeditor/EditAggregateTransaction.cpp @@ -0,0 +1,124 @@ +/* -*- 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/. */ + +#include "EditAggregateTransaction.h" + +#include "mozilla/Logging.h" +#include "mozilla/ReverseIterator.h" // for Reversed +#include "nsAString.h" +#include "nsAtom.h" +#include "nsCOMPtr.h" // for nsCOMPtr +#include "nsError.h" // for NS_OK, etc. +#include "nsGkAtoms.h" +#include "nsISupportsUtils.h" // for NS_ADDREF +#include "nsString.h" // for nsAutoString + +namespace mozilla { + +NS_IMPL_CYCLE_COLLECTION_INHERITED(EditAggregateTransaction, + EditTransactionBase, mChildren) + +NS_IMPL_ADDREF_INHERITED(EditAggregateTransaction, EditTransactionBase) +NS_IMPL_RELEASE_INHERITED(EditAggregateTransaction, EditTransactionBase) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EditAggregateTransaction) +NS_INTERFACE_MAP_END_INHERITING(EditTransactionBase) + +NS_IMETHODIMP EditAggregateTransaction::DoTransaction() { + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s, mChildren=%zu } " + "Start==============================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get(), + mChildren.Length())); + // FYI: It's legal (but not very useful) to have an empty child list. + for (const OwningNonNull<EditTransactionBase>& childTransaction : + CopyableAutoTArray<OwningNonNull<EditTransactionBase>, 10>(mChildren)) { + nsresult rv = MOZ_KnownLive(childTransaction)->DoTransaction(); + if (NS_FAILED(rv)) { + NS_WARNING("EditTransactionBase::DoTransaction() failed"); + return rv; + } + } + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s } " + "End================================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get())); + return NS_OK; +} + +NS_IMETHODIMP EditAggregateTransaction::UndoTransaction() { + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s, mChildren=%zu } " + "Start==============================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get(), + mChildren.Length())); + // FYI: It's legal (but not very useful) to have an empty child list. + // Undo goes through children backwards. + const CopyableAutoTArray<OwningNonNull<EditTransactionBase>, 10> children( + mChildren); + for (const OwningNonNull<EditTransactionBase>& childTransaction : + Reversed(children)) { + nsresult rv = MOZ_KnownLive(childTransaction)->UndoTransaction(); + if (NS_FAILED(rv)) { + NS_WARNING("EditTransactionBase::UndoTransaction() failed"); + return rv; + } + } + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s } " + "End================================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get())); + return NS_OK; +} + +NS_IMETHODIMP EditAggregateTransaction::RedoTransaction() { + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s, mChildren=%zu } " + "Start==============================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get(), + mChildren.Length())); + // It's legal (but not very useful) to have an empty child list. + const CopyableAutoTArray<OwningNonNull<EditTransactionBase>, 10> children( + mChildren); + for (const OwningNonNull<EditTransactionBase>& childTransaction : children) { + nsresult rv = MOZ_KnownLive(childTransaction)->RedoTransaction(); + if (NS_FAILED(rv)) { + NS_WARNING("EditTransactionBase::RedoTransaction() failed"); + return rv; + } + } + MOZ_LOG(GetLogModule(), LogLevel::Info, + ("%p EditAggregateTransaction::%s this={ mName=%s } " + "End================================", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get())); + return NS_OK; +} + +NS_IMETHODIMP EditAggregateTransaction::Merge(nsITransaction* aOtherTransaction, + bool* aDidMerge) { + if (aDidMerge) { + *aDidMerge = false; + } + if (mChildren.IsEmpty()) { + MOZ_LOG(GetLogModule(), LogLevel::Debug, + ("%p EditAggregateTransaction::%s this={ mName=%s } returned false " + "due to no children", + this, __FUNCTION__, + nsAtomCString(mName ? mName.get() : nsGkAtoms::_empty).get())); + return NS_OK; + } + // FIXME: Is this really intended not to loop? It looks like the code + // that used to be here sort of intended to loop, but didn't. + return mChildren[0]->Merge(aOtherTransaction, aDidMerge); +} + +nsAtom* EditAggregateTransaction::GetName() const { return mName; } + +} // namespace mozilla |