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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/fs/api/FileSystemFileHandle.cpp
parentInitial commit. (diff)
downloadfirefox-upstream/124.0.1.tar.xz
firefox-upstream/124.0.1.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/fs/api/FileSystemFileHandle.cpp')
-rw-r--r--dom/fs/api/FileSystemFileHandle.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/dom/fs/api/FileSystemFileHandle.cpp b/dom/fs/api/FileSystemFileHandle.cpp
new file mode 100644
index 0000000000..4d8306857f
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+++ b/dom/fs/api/FileSystemFileHandle.cpp
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+/* -*- 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 "FileSystemFileHandle.h"
+
+#include "fs/FileSystemRequestHandler.h"
+#include "js/StructuredClone.h"
+#include "js/TypeDecls.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/FileSystemFileHandleBinding.h"
+#include "mozilla/dom/FileSystemHandleBinding.h"
+#include "mozilla/dom/FileSystemManager.h"
+#include "mozilla/dom/PFileSystemManager.h"
+#include "mozilla/dom/Promise.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(FileSystemFileHandle,
+ FileSystemHandle)
+NS_IMPL_CYCLE_COLLECTION_INHERITED(FileSystemFileHandle, FileSystemHandle)
+
+FileSystemFileHandle::FileSystemFileHandle(
+ nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
+ const fs::FileSystemEntryMetadata& aMetadata,
+ fs::FileSystemRequestHandler* aRequestHandler)
+ : FileSystemHandle(aGlobal, aManager, aMetadata, aRequestHandler) {}
+
+FileSystemFileHandle::FileSystemFileHandle(
+ nsIGlobalObject* aGlobal, RefPtr<FileSystemManager>& aManager,
+ const fs::FileSystemEntryMetadata& aMetadata)
+ : FileSystemFileHandle(aGlobal, aManager, aMetadata,
+ new fs::FileSystemRequestHandler()) {}
+
+// WebIDL Boilerplate
+
+JSObject* FileSystemFileHandle::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return FileSystemFileHandle_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+// WebIDL Interface
+
+FileSystemHandleKind FileSystemFileHandle::Kind() const {
+ return FileSystemHandleKind::File;
+}
+
+already_AddRefed<Promise> FileSystemFileHandle::GetFile(ErrorResult& aError) {
+ RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ mRequestHandler->GetFile(mManager, mMetadata, promise, aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ return promise.forget();
+}
+
+already_AddRefed<Promise> FileSystemFileHandle::CreateWritable(
+ const FileSystemCreateWritableOptions& aOptions, ErrorResult& aError) {
+ RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ mRequestHandler->GetWritable(mManager, mMetadata, aOptions.mKeepExistingData,
+ promise, aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ return promise.forget();
+}
+
+already_AddRefed<Promise> FileSystemFileHandle::CreateSyncAccessHandle(
+ ErrorResult& aError) {
+ RefPtr<Promise> promise = Promise::Create(GetParentObject(), aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ mRequestHandler->GetAccessHandle(mManager, mMetadata, promise, aError);
+ if (aError.Failed()) {
+ return nullptr;
+ }
+
+ return promise.forget();
+}
+
+// [Serializable] implementation
+
+// static
+already_AddRefed<FileSystemFileHandle>
+FileSystemFileHandle::ReadStructuredClone(JSContext* aCx,
+ nsIGlobalObject* aGlobal,
+ JSStructuredCloneReader* aReader) {
+ uint32_t kind = static_cast<uint32_t>(FileSystemHandleKind::EndGuard_);
+
+ if (!JS_ReadBytes(aReader, reinterpret_cast<void*>(&kind),
+ sizeof(uint32_t))) {
+ return nullptr;
+ }
+
+ if (kind != static_cast<uint32_t>(FileSystemHandleKind::File)) {
+ return nullptr;
+ }
+
+ RefPtr<FileSystemFileHandle> result =
+ FileSystemHandle::ConstructFileHandle(aCx, aGlobal, aReader);
+ if (!result) {
+ return nullptr;
+ }
+
+ return result.forget();
+}
+
+} // namespace mozilla::dom