Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 127 insertions, 0 deletions

diff --git a/dom/quota/FileStreams.cpp b/dom/quota/FileStreams.cpp
new file mode 100644
index 0000000000..61e97c2d08
--- /dev/null
+++ b/dom/quota/FileStreams.cpp
@@ -0,0 +1,127 @@
+/* -*- 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 "FileStreams.h"
+
+// Local includes
+#include "QuotaCommon.h"
+#include "QuotaManager.h"
+#include "QuotaObject.h"
+
+// Global includes
+#include <utility>
+#include "mozilla/Assertions.h"
+#include "mozilla/DebugOnly.h"
+#include "mozilla/Result.h"
+#include "nsDebug.h"
+#include "prio.h"
+
+namespace mozilla::dom::quota {
+
+template <class FileStreamBase>
+NS_IMETHODIMP FileQuotaStream<FileStreamBase>::SetEOF() {
+  QM_TRY(FileStreamBase::SetEOF());
+
+  if (mQuotaObject) {
+    int64_t offset;
+    QM_TRY(FileStreamBase::Tell(&offset));
+
+    DebugOnly<bool> res =
+        mQuotaObject->MaybeUpdateSize(offset, /* aTruncate */ true);
+    MOZ_ASSERT(res);
+  }
+
+  return NS_OK;
+}
+
+template <class FileStreamBase>
+NS_IMETHODIMP FileQuotaStream<FileStreamBase>::Close() {
+  QM_TRY(FileStreamBase::Close());
+
+  mQuotaObject = nullptr;
+
+  return NS_OK;
+}
+
+template <class FileStreamBase>
+nsresult FileQuotaStream<FileStreamBase>::DoOpen() {
+  QuotaManager* quotaManager = QuotaManager::Get();
+  NS_ASSERTION(quotaManager, "Shouldn't be null!");
+
+  NS_ASSERTION(!mQuotaObject, "Creating quota object more than once?");
+  mQuotaObject = quotaManager->GetQuotaObject(
+      mPersistenceType, mGroupAndOrigin, mClientType,
+      FileStreamBase::mOpenParams.localFile);
+
+  QM_TRY(FileStreamBase::DoOpen());
+
+  if (mQuotaObject && (FileStreamBase::mOpenParams.ioFlags & PR_TRUNCATE)) {
+    DebugOnly<bool> res =
+        mQuotaObject->MaybeUpdateSize(0, /* aTruncate */ true);
+    MOZ_ASSERT(res);
+  }
+
+  return NS_OK;
+}
+
+template <class FileStreamBase>
+NS_IMETHODIMP FileQuotaStreamWithWrite<FileStreamBase>::Write(
+    const char* aBuf, uint32_t aCount, uint32_t* _retval) {
+  if (FileQuotaStreamWithWrite::mQuotaObject) {
+    int64_t offset;
+    QM_TRY(FileStreamBase::Tell(&offset));
+
+    MOZ_ASSERT(INT64_MAX - offset >= int64_t(aCount));
+
+    if (!FileQuotaStreamWithWrite::mQuotaObject->MaybeUpdateSize(
+            offset + int64_t(aCount),
+            /* aTruncate */ false)) {
+      return NS_ERROR_FILE_NO_DEVICE_SPACE;
+    }
+  }
+
+  QM_TRY(FileStreamBase::Write(aBuf, aCount, _retval));
+
+  return NS_OK;
+}
+
+already_AddRefed<FileInputStream> CreateFileInputStream(
+    PersistenceType aPersistenceType, const GroupAndOrigin& aGroupAndOrigin,
+    Client::Type aClientType, nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
+    int32_t aBehaviorFlags) {
+  RefPtr<FileInputStream> stream =
+      new FileInputStream(aPersistenceType, aGroupAndOrigin, aClientType);
+
+  QM_TRY(stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags), nullptr);
+
+  return stream.forget();
+}
+
+already_AddRefed<FileOutputStream> CreateFileOutputStream(
+    PersistenceType aPersistenceType, const GroupAndOrigin& aGroupAndOrigin,
+    Client::Type aClientType, nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
+    int32_t aBehaviorFlags) {
+  RefPtr<FileOutputStream> stream =
+      new FileOutputStream(aPersistenceType, aGroupAndOrigin, aClientType);
+
+  QM_TRY(stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags), nullptr);
+
+  return stream.forget();
+}
+
+already_AddRefed<FileStream> CreateFileStream(
+    PersistenceType aPersistenceType, const GroupAndOrigin& aGroupAndOrigin,
+    Client::Type aClientType, nsIFile* aFile, int32_t aIOFlags, int32_t aPerm,
+    int32_t aBehaviorFlags) {
+  RefPtr<FileStream> stream =
+      new FileStream(aPersistenceType, aGroupAndOrigin, aClientType);
+
+  QM_TRY(stream->Init(aFile, aIOFlags, aPerm, aBehaviorFlags), nullptr);
+
+  return stream.forget();
+}
+
+}  // namespace mozilla::dom::quota