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-rw-r--r--dom/filesystem/GetFilesTask.cpp263
1 files changed, 263 insertions, 0 deletions
diff --git a/dom/filesystem/GetFilesTask.cpp b/dom/filesystem/GetFilesTask.cpp
new file mode 100644
index 000000000..6682fb7d3
--- /dev/null
+++ b/dom/filesystem/GetFilesTask.cpp
@@ -0,0 +1,263 @@
+/* -*- 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 "GetFilesTask.h"
+
+#include "HTMLSplitOnSpacesTokenizer.h"
+#include "js/Value.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FileSystemBase.h"
+#include "mozilla/dom/FileSystemUtils.h"
+#include "mozilla/dom/PFileSystemParams.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/ipc/BlobChild.h"
+#include "mozilla/dom/ipc/BlobParent.h"
+#include "nsIFile.h"
+#include "nsStringGlue.h"
+
+namespace mozilla {
+namespace dom {
+
+/**
+ * GetFilesTaskChild
+ */
+
+/* static */ already_AddRefed<GetFilesTaskChild>
+GetFilesTaskChild::Create(FileSystemBase* aFileSystem,
+ Directory* aDirectory,
+ nsIFile* aTargetPath,
+ bool aRecursiveFlag,
+ ErrorResult& aRv)
+{
+ MOZ_ASSERT(aFileSystem);
+ MOZ_ASSERT(aDirectory);
+ aFileSystem->AssertIsOnOwningThread();
+
+ nsCOMPtr<nsIGlobalObject> globalObject =
+ do_QueryInterface(aFileSystem->GetParentObject());
+ if (NS_WARN_IF(!globalObject)) {
+ aRv.Throw(NS_ERROR_FAILURE);
+ return nullptr;
+ }
+
+ RefPtr<GetFilesTaskChild> task =
+ new GetFilesTaskChild(aFileSystem, aDirectory, aTargetPath,
+ aRecursiveFlag);
+
+ // aTargetPath can be null. In this case SetError will be called.
+
+ task->mPromise = Promise::Create(globalObject, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return task.forget();
+}
+
+GetFilesTaskChild::GetFilesTaskChild(FileSystemBase* aFileSystem,
+ Directory* aDirectory,
+ nsIFile* aTargetPath,
+ bool aRecursiveFlag)
+ : FileSystemTaskChildBase(aFileSystem)
+ , mDirectory(aDirectory)
+ , mTargetPath(aTargetPath)
+ , mRecursiveFlag(aRecursiveFlag)
+{
+ MOZ_ASSERT(aFileSystem);
+ MOZ_ASSERT(aDirectory);
+ aFileSystem->AssertIsOnOwningThread();
+}
+
+GetFilesTaskChild::~GetFilesTaskChild()
+{
+ mFileSystem->AssertIsOnOwningThread();
+}
+
+already_AddRefed<Promise>
+GetFilesTaskChild::GetPromise()
+{
+ mFileSystem->AssertIsOnOwningThread();
+ return RefPtr<Promise>(mPromise).forget();
+}
+
+FileSystemParams
+GetFilesTaskChild::GetRequestParams(const nsString& aSerializedDOMPath,
+ ErrorResult& aRv) const
+{
+ mFileSystem->AssertIsOnOwningThread();
+
+ nsAutoString path;
+ aRv = mTargetPath->GetPath(path);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return FileSystemGetFilesParams();
+ }
+
+ nsAutoString domPath;
+ mDirectory->GetPath(domPath, aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return FileSystemGetFilesParams();
+ }
+
+ return FileSystemGetFilesParams(aSerializedDOMPath, path, domPath,
+ mRecursiveFlag);
+}
+
+void
+GetFilesTaskChild::SetSuccessRequestResult(const FileSystemResponseValue& aValue,
+ ErrorResult& aRv)
+{
+ mFileSystem->AssertIsOnOwningThread();
+ MOZ_ASSERT(aValue.type() ==
+ FileSystemResponseValue::TFileSystemFilesResponse);
+
+ FileSystemFilesResponse r = aValue;
+
+ if (!mTargetData.SetLength(r.data().Length(), mozilla::fallible_t())) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+
+ for (uint32_t i = 0; i < r.data().Length(); ++i) {
+ const FileSystemFileResponse& data = r.data()[i];
+ RefPtr<BlobImpl> blobImpl =
+ static_cast<BlobChild*>(data.blobChild())->GetBlobImpl();
+ MOZ_ASSERT(blobImpl);
+
+ mTargetData[i] = File::Create(mFileSystem->GetParentObject(), blobImpl);
+ }
+}
+
+void
+GetFilesTaskChild::HandlerCallback()
+{
+ mFileSystem->AssertIsOnOwningThread();
+ if (mFileSystem->IsShutdown()) {
+ mPromise = nullptr;
+ return;
+ }
+
+ if (HasError()) {
+ mPromise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
+ mPromise = nullptr;
+ return;
+ }
+
+ mPromise->MaybeResolve(mTargetData);
+ mPromise = nullptr;
+}
+
+/**
+ * GetFilesTaskParent
+ */
+
+/* static */ already_AddRefed<GetFilesTaskParent>
+GetFilesTaskParent::Create(FileSystemBase* aFileSystem,
+ const FileSystemGetFilesParams& aParam,
+ FileSystemRequestParent* aParent,
+ ErrorResult& aRv)
+{
+ MOZ_ASSERT(XRE_IsParentProcess(), "Only call from parent process!");
+ AssertIsOnBackgroundThread();
+ MOZ_ASSERT(aFileSystem);
+
+ RefPtr<GetFilesTaskParent> task =
+ new GetFilesTaskParent(aFileSystem, aParam, aParent);
+
+ aRv = NS_NewLocalFile(aParam.realPath(), true,
+ getter_AddRefs(task->mTargetPath));
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return task.forget();
+}
+
+GetFilesTaskParent::GetFilesTaskParent(FileSystemBase* aFileSystem,
+ const FileSystemGetFilesParams& aParam,
+ FileSystemRequestParent* aParent)
+ : FileSystemTaskParentBase(aFileSystem, aParam, aParent)
+ , GetFilesHelperBase(aParam.recursiveFlag())
+ , mDirectoryDOMPath(aParam.domPath())
+{
+ MOZ_ASSERT(XRE_IsParentProcess(), "Only call from parent process!");
+ AssertIsOnBackgroundThread();
+ MOZ_ASSERT(aFileSystem);
+}
+
+FileSystemResponseValue
+GetFilesTaskParent::GetSuccessRequestResult(ErrorResult& aRv) const
+{
+ AssertIsOnBackgroundThread();
+
+ InfallibleTArray<PBlobParent*> blobs;
+
+ FallibleTArray<FileSystemFileResponse> inputs;
+ if (!inputs.SetLength(mTargetBlobImplArray.Length(), mozilla::fallible_t())) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ FileSystemFilesResponse response;
+ return response;
+ }
+
+ for (unsigned i = 0; i < mTargetBlobImplArray.Length(); i++) {
+ BlobParent* blobParent =
+ BlobParent::GetOrCreate(mRequestParent->Manager(),
+ mTargetBlobImplArray[i]);
+ inputs[i] = FileSystemFileResponse(blobParent, nullptr);
+ }
+
+ FileSystemFilesResponse response;
+ response.data().SwapElements(inputs);
+ return response;
+}
+
+nsresult
+GetFilesTaskParent::IOWork()
+{
+ MOZ_ASSERT(XRE_IsParentProcess(),
+ "Only call from parent process!");
+ MOZ_ASSERT(!NS_IsMainThread(), "Only call on I/O thread!");
+
+ if (mFileSystem->IsShutdown()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ bool exists;
+ nsresult rv = mTargetPath->Exists(&exists);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ if (!exists) {
+ return NS_OK;
+ }
+
+ bool isDir;
+ rv = mTargetPath->IsDirectory(&isDir);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ if (!isDir) {
+ return NS_ERROR_DOM_FILESYSTEM_TYPE_MISMATCH_ERR;
+ }
+
+ // Get isDirectory.
+ rv = ExploreDirectory(mDirectoryDOMPath, mTargetPath);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+nsresult
+GetFilesTaskParent::GetTargetPath(nsAString& aPath) const
+{
+ return mTargetPath->GetPath(aPath);
+}
+
+} // namespace dom
+} // namespace mozilla