Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 198 insertions, 0 deletions

diff --git a/dom/filesystem/Directory.cpp b/dom/filesystem/Directory.cpp
new file mode 100644
index 0000000000..da5d6e5515
--- /dev/null
+++ b/dom/filesystem/Directory.cpp
@@ -0,0 +1,198 @@
+/* -*- 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 "mozilla/dom/Directory.h"
+
+#include "GetDirectoryListingTask.h"
+#include "GetFilesTask.h"
+
+#include "nsIFile.h"
+#include "nsString.h"
+#include "mozilla/dom/BlobImpl.h"
+#include "mozilla/dom/DirectoryBinding.h"
+#include "mozilla/dom/FileSystemBase.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "mozilla/dom/OSFileSystem.h"
+#include "mozilla/dom/WorkerPrivate.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(Directory)
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Directory)
+  if (tmp->mFileSystem) {
+    tmp->mFileSystem->Unlink();
+    tmp->mFileSystem = nullptr;
+  }
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Directory)
+  if (tmp->mFileSystem) {
+    tmp->mFileSystem->Traverse(cb);
+  }
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Directory)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Directory)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Directory)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+/* static */
+already_AddRefed<Directory> Directory::Constructor(const GlobalObject& aGlobal,
+                                                   const nsAString& aRealPath,
+                                                   ErrorResult& aRv) {
+  nsCOMPtr<nsIFile> path;
+  aRv = NS_NewLocalFile(aRealPath, true, getter_AddRefs(path));
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
+  if (NS_WARN_IF(!global)) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  return Create(global, path);
+}
+
+/* static */
+already_AddRefed<Directory> Directory::Create(nsIGlobalObject* aGlobal,
+                                              nsIFile* aFile,
+                                              FileSystemBase* aFileSystem) {
+  MOZ_ASSERT(aGlobal);
+  MOZ_ASSERT(aFile);
+
+  RefPtr<Directory> directory = new Directory(aGlobal, aFile, aFileSystem);
+  return directory.forget();
+}
+
+Directory::Directory(nsIGlobalObject* aGlobal, nsIFile* aFile,
+                     FileSystemBase* aFileSystem)
+    : mGlobal(aGlobal), mFile(aFile) {
+  MOZ_ASSERT(aFile);
+
+  // aFileSystem can be null. In this case we create a OSFileSystem when needed.
+  if (aFileSystem) {
+    // More likely, this is a OSFileSystem. This object keeps a reference of
+    // mGlobal but it's not cycle collectable and to avoid manual
+    // addref/release, it's better to have 1 object per directory. For this
+    // reason we clone it here.
+    mFileSystem = aFileSystem->Clone();
+  }
+}
+
+Directory::~Directory() = default;
+
+nsIGlobalObject* Directory::GetParentObject() const { return mGlobal; }
+
+JSObject* Directory::WrapObject(JSContext* aCx,
+                                JS::Handle<JSObject*> aGivenProto) {
+  return Directory_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void Directory::GetName(nsAString& aRetval, ErrorResult& aRv) {
+  aRetval.Truncate();
+
+  RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return;
+  }
+
+  fs->GetDirectoryName(mFile, aRetval, aRv);
+}
+
+void Directory::GetPath(nsAString& aRetval, ErrorResult& aRv) {
+  // This operation is expensive. Better to cache the result.
+  if (mPath.IsEmpty()) {
+    RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return;
+    }
+
+    fs->GetDOMPath(mFile, mPath, aRv);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return;
+    }
+  }
+
+  aRetval = mPath;
+}
+
+nsresult Directory::GetFullRealPath(nsAString& aPath) {
+  nsresult rv = mFile->GetPath(aPath);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  return NS_OK;
+}
+
+already_AddRefed<Promise> Directory::GetFilesAndDirectories(ErrorResult& aRv) {
+  RefPtr<FileSystemBase> fs = GetFileSystem(aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  RefPtr<GetDirectoryListingTaskChild> task =
+      GetDirectoryListingTaskChild::Create(fs, this, mFile, mFilters, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  task->Start();
+
+  return task->GetPromise();
+}
+
+already_AddRefed<Promise> Directory::GetFiles(bool aRecursiveFlag,
+                                              ErrorResult& aRv) {
+  ErrorResult rv;
+  RefPtr<FileSystemBase> fs = GetFileSystem(rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return nullptr;
+  }
+
+  RefPtr<GetFilesTaskChild> task =
+      GetFilesTaskChild::Create(fs, this, mFile, aRecursiveFlag, rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return nullptr;
+  }
+
+  task->Start();
+
+  return task->GetPromise();
+}
+
+void Directory::SetContentFilters(const nsAString& aFilters) {
+  mFilters = aFilters;
+}
+
+FileSystemBase* Directory::GetFileSystem(ErrorResult& aRv) {
+  if (!mFileSystem) {
+    nsAutoString path;
+    aRv = mFile->GetPath(path);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return nullptr;
+    }
+
+    RefPtr<OSFileSystem> fs = new OSFileSystem(path);
+    fs->Init(mGlobal);
+
+    mFileSystem = fs;
+  }
+
+  return mFileSystem;
+}
+
+}  // namespace mozilla::dom