Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 280 insertions, 0 deletions

diff --git a/dom/filesystem/compat/CallbackRunnables.cpp b/dom/filesystem/compat/CallbackRunnables.cpp
new file mode 100644
index 0000000000..cbdd2f2f56
--- /dev/null
+++ b/dom/filesystem/compat/CallbackRunnables.cpp
@@ -0,0 +1,280 @@
+/* -*- 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 "CallbackRunnables.h"
+#include "mozilla/dom/Directory.h"
+#include "mozilla/dom/DirectoryBinding.h"
+#include "mozilla/dom/DOMException.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FileBinding.h"
+#include "mozilla/dom/FileSystem.h"
+#include "mozilla/dom/FileSystemDirectoryReaderBinding.h"
+#include "mozilla/dom/FileSystemFileEntry.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/Unused.h"
+#include "nsIGlobalObject.h"
+#include "nsIFile.h"
+#include "nsPIDOMWindow.h"
+
+#include "../GetFileOrDirectoryTask.h"
+
+namespace mozilla::dom {
+
+EntryCallbackRunnable::EntryCallbackRunnable(FileSystemEntryCallback* aCallback,
+                                             FileSystemEntry* aEntry)
+    : Runnable("EntryCallbackRunnable"), mCallback(aCallback), mEntry(aEntry) {
+  MOZ_ASSERT(aCallback);
+  MOZ_ASSERT(aEntry);
+}
+
+NS_IMETHODIMP
+EntryCallbackRunnable::Run() {
+  mCallback->Call(*mEntry);
+  return NS_OK;
+}
+
+ErrorCallbackRunnable::ErrorCallbackRunnable(nsIGlobalObject* aGlobalObject,
+                                             ErrorCallback* aCallback,
+                                             nsresult aError)
+    : Runnable("ErrorCallbackRunnable"),
+      mGlobal(aGlobalObject),
+      mCallback(aCallback),
+      mError(aError) {
+  MOZ_ASSERT(aGlobalObject);
+  MOZ_ASSERT(aCallback);
+  MOZ_ASSERT(NS_FAILED(aError));
+}
+
+NS_IMETHODIMP
+ErrorCallbackRunnable::Run() {
+  RefPtr<DOMException> exception = DOMException::Create(mError);
+  mCallback->Call(*exception);
+  return NS_OK;
+}
+
+EmptyEntriesCallbackRunnable::EmptyEntriesCallbackRunnable(
+    FileSystemEntriesCallback* aCallback)
+    : Runnable("EmptyEntriesCallbackRunnable"), mCallback(aCallback) {
+  MOZ_ASSERT(aCallback);
+}
+
+NS_IMETHODIMP
+EmptyEntriesCallbackRunnable::Run() {
+  Sequence<OwningNonNull<FileSystemEntry>> sequence;
+  mCallback->Call(sequence);
+  return NS_OK;
+}
+
+GetEntryHelper::GetEntryHelper(FileSystemDirectoryEntry* aParentEntry,
+                               Directory* aDirectory,
+                               nsTArray<nsString>& aParts,
+                               FileSystem* aFileSystem,
+                               FileSystemEntryCallback* aSuccessCallback,
+                               ErrorCallback* aErrorCallback,
+                               FileSystemDirectoryEntry::GetInternalType aType)
+    : mParentEntry(aParentEntry),
+      mDirectory(aDirectory),
+      mParts(aParts.Clone()),
+      mFileSystem(aFileSystem),
+      mSuccessCallback(aSuccessCallback),
+      mErrorCallback(aErrorCallback),
+      mType(aType) {
+  MOZ_ASSERT(aParentEntry);
+  MOZ_ASSERT(aDirectory);
+  MOZ_ASSERT(!aParts.IsEmpty());
+  MOZ_ASSERT(aFileSystem);
+  MOZ_ASSERT(aSuccessCallback || aErrorCallback);
+}
+
+GetEntryHelper::~GetEntryHelper() = default;
+
+namespace {
+
+nsresult DOMPathToRealPath(Directory* aDirectory, const nsAString& aPath,
+                           nsIFile** aFile) {
+  nsString relativePath;
+  relativePath = aPath;
+
+  // Trim white spaces.
+  static const char kWhitespace[] = "\b\t\r\n ";
+  relativePath.Trim(kWhitespace);
+
+  nsTArray<nsString> parts;
+  if (!FileSystemUtils::IsValidRelativeDOMPath(relativePath, parts)) {
+    return NS_ERROR_DOM_FILESYSTEM_INVALID_PATH_ERR;
+  }
+
+  nsCOMPtr<nsIFile> file;
+  nsresult rv = aDirectory->GetInternalNsIFile()->Clone(getter_AddRefs(file));
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  for (uint32_t i = 0; i < parts.Length(); ++i) {
+    rv = file->AppendRelativePath(parts[i]);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      return rv;
+    }
+  }
+
+  file.forget(aFile);
+  return NS_OK;
+}
+
+}  // namespace
+
+void GetEntryHelper::Run() {
+  MOZ_ASSERT(!mParts.IsEmpty());
+
+  nsCOMPtr<nsIFile> realPath;
+  nsresult error =
+      DOMPathToRealPath(mDirectory, mParts[0], getter_AddRefs(realPath));
+
+  ErrorResult rv;
+  RefPtr<FileSystemBase> fs = mDirectory->GetFileSystem(rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    rv.SuppressException();
+    Error(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  RefPtr<GetFileOrDirectoryTaskChild> task =
+      GetFileOrDirectoryTaskChild::Create(fs, realPath, rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    rv.SuppressException();
+    Error(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  task->SetError(error);
+  task->Start();
+
+  RefPtr<Promise> promise = task->GetPromise();
+
+  mParts.RemoveElementAt(0);
+  promise->AppendNativeHandler(this);
+}
+
+void GetEntryHelper::ResolvedCallback(JSContext* aCx,
+                                      JS::Handle<JS::Value> aValue,
+                                      ErrorResult& aRv) {
+  if (NS_WARN_IF(!aValue.isObject())) {
+    return;
+  }
+
+  JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
+
+  // This is not the last part of the path.
+  if (!mParts.IsEmpty()) {
+    ContinueRunning(obj);
+    return;
+  }
+
+  CompleteOperation(obj);
+}
+
+void GetEntryHelper::CompleteOperation(JSObject* aObj) {
+  MOZ_ASSERT(mParts.IsEmpty());
+
+  if (mType == FileSystemDirectoryEntry::eGetFile) {
+    RefPtr<File> file;
+    if (NS_FAILED(UNWRAP_OBJECT(File, aObj, file))) {
+      Error(NS_ERROR_DOM_TYPE_MISMATCH_ERR);
+      return;
+    }
+
+    RefPtr<FileSystemFileEntry> entry = new FileSystemFileEntry(
+        mParentEntry->GetParentObject(), file, mParentEntry, mFileSystem);
+    mSuccessCallback->Call(*entry);
+    return;
+  }
+
+  MOZ_ASSERT(mType == FileSystemDirectoryEntry::eGetDirectory);
+
+  RefPtr<Directory> directory;
+  if (NS_FAILED(UNWRAP_OBJECT(Directory, aObj, directory))) {
+    Error(NS_ERROR_DOM_TYPE_MISMATCH_ERR);
+    return;
+  }
+
+  RefPtr<FileSystemDirectoryEntry> entry = new FileSystemDirectoryEntry(
+      mParentEntry->GetParentObject(), directory, mParentEntry, mFileSystem);
+  mSuccessCallback->Call(*entry);
+}
+
+void GetEntryHelper::ContinueRunning(JSObject* aObj) {
+  MOZ_ASSERT(!mParts.IsEmpty());
+
+  RefPtr<Directory> directory;
+  if (NS_FAILED(UNWRAP_OBJECT(Directory, aObj, directory))) {
+    Error(NS_ERROR_DOM_TYPE_MISMATCH_ERR);
+    return;
+  }
+
+  RefPtr<FileSystemDirectoryEntry> entry = new FileSystemDirectoryEntry(
+      mParentEntry->GetParentObject(), directory, mParentEntry, mFileSystem);
+
+  // Update the internal values.
+  mParentEntry = entry;
+  mDirectory = directory;
+
+  Run();
+}
+
+void GetEntryHelper::RejectedCallback(JSContext* aCx,
+                                      JS::Handle<JS::Value> aValue,
+                                      ErrorResult& aRv) {
+  Error(NS_ERROR_DOM_NOT_FOUND_ERR);
+}
+
+void GetEntryHelper::Error(nsresult aError) {
+  MOZ_ASSERT(NS_FAILED(aError));
+
+  if (mErrorCallback) {
+    RefPtr<ErrorCallbackRunnable> runnable = new ErrorCallbackRunnable(
+        mParentEntry->GetParentObject(), mErrorCallback, aError);
+
+    FileSystemUtils::DispatchRunnable(mParentEntry->GetParentObject(),
+                                      runnable.forget());
+  }
+}
+
+NS_IMPL_ISUPPORTS0(GetEntryHelper);
+
+/* static */
+void FileSystemEntryCallbackHelper::Call(
+    nsIGlobalObject* aGlobalObject,
+    const Optional<OwningNonNull<FileSystemEntryCallback>>& aEntryCallback,
+    FileSystemEntry* aEntry) {
+  MOZ_ASSERT(aGlobalObject);
+  MOZ_ASSERT(aEntry);
+
+  if (aEntryCallback.WasPassed()) {
+    RefPtr<EntryCallbackRunnable> runnable =
+        new EntryCallbackRunnable(&aEntryCallback.Value(), aEntry);
+
+    FileSystemUtils::DispatchRunnable(aGlobalObject, runnable.forget());
+  }
+}
+
+/* static */
+void ErrorCallbackHelper::Call(
+    nsIGlobalObject* aGlobal,
+    const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,
+    nsresult aError) {
+  MOZ_ASSERT(aGlobal);
+  MOZ_ASSERT(NS_FAILED(aError));
+
+  if (aErrorCallback.WasPassed()) {
+    RefPtr<ErrorCallbackRunnable> runnable =
+        new ErrorCallbackRunnable(aGlobal, &aErrorCallback.Value(), aError);
+
+    FileSystemUtils::DispatchRunnable(aGlobal, runnable.forget());
+  }
+}
+
+}  // namespace mozilla::dom