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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 /dom/filesystem/compat/FileSystemRootDirectoryReader.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 'dom/filesystem/compat/FileSystemRootDirectoryReader.cpp')
-rw-r--r-- | dom/filesystem/compat/FileSystemRootDirectoryReader.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemRootDirectoryReader.cpp b/dom/filesystem/compat/FileSystemRootDirectoryReader.cpp new file mode 100644 index 0000000000..5d30f0c1cb --- /dev/null +++ b/dom/filesystem/compat/FileSystemRootDirectoryReader.cpp @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 "FileSystemRootDirectoryReader.h" +#include "CallbackRunnables.h" +#include "nsIGlobalObject.h" +#include "mozilla/dom/FileSystemDirectoryReaderBinding.h" +#include "mozilla/dom/FileSystemUtils.h" + +namespace mozilla::dom { + +namespace { + +class EntriesCallbackRunnable final : public Runnable { + public: + EntriesCallbackRunnable(FileSystemEntriesCallback* aCallback, + const Sequence<RefPtr<FileSystemEntry>>& aEntries) + : Runnable("EntriesCallbackRunnable"), + mCallback(aCallback), + mEntries(aEntries) { + MOZ_ASSERT(aCallback); + } + + // MOZ_CAN_RUN_SCRIPT_BOUNDARY until Runnable::Run is MOZ_CAN_RUN_SCRIPT. See + // bug 1535398. + MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD Run() override { + Sequence<OwningNonNull<FileSystemEntry>> entries; + for (uint32_t i = 0; i < mEntries.Length(); ++i) { + if (!entries.AppendElement(mEntries[i].forget(), fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + } + + mCallback->Call(entries); + return NS_OK; + } + + private: + const RefPtr<FileSystemEntriesCallback> mCallback; + Sequence<RefPtr<FileSystemEntry>> mEntries; +}; + +} // anonymous namespace + +NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemRootDirectoryReader, + FileSystemDirectoryReader, mEntries) + +NS_IMPL_ADDREF_INHERITED(FileSystemRootDirectoryReader, + FileSystemDirectoryReader) +NS_IMPL_RELEASE_INHERITED(FileSystemRootDirectoryReader, + FileSystemDirectoryReader) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystemRootDirectoryReader) +NS_INTERFACE_MAP_END_INHERITING(FileSystemDirectoryReader) + +FileSystemRootDirectoryReader::FileSystemRootDirectoryReader( + FileSystemDirectoryEntry* aParentEntry, FileSystem* aFileSystem, + const Sequence<RefPtr<FileSystemEntry>>& aEntries) + : FileSystemDirectoryReader(aParentEntry, aFileSystem, nullptr), + mEntries(aEntries), + mAlreadyRead(false) { + MOZ_ASSERT(aParentEntry); + MOZ_ASSERT(aFileSystem); +} + +FileSystemRootDirectoryReader::~FileSystemRootDirectoryReader() = default; + +void FileSystemRootDirectoryReader::ReadEntries( + FileSystemEntriesCallback& aSuccessCallback, + const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback, + ErrorResult& aRv) { + if (mAlreadyRead) { + RefPtr<EmptyEntriesCallbackRunnable> runnable = + new EmptyEntriesCallbackRunnable(&aSuccessCallback); + + aRv = + FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget()); + return; + } + + // This object can be used only once. + mAlreadyRead = true; + + RefPtr<EntriesCallbackRunnable> runnable = + new EntriesCallbackRunnable(&aSuccessCallback, mEntries); + + aRv = FileSystemUtils::DispatchRunnable(GetParentObject(), runnable.forget()); +} + +} // namespace mozilla::dom |