1 files changed, 95 insertions, 0 deletions
diff --git a/dom/ipc/FilePickerParent.h b/dom/ipc/FilePickerParent.h
new file mode 100644
index 0000000000..2f3663aa35
--- /dev/null
+++ b/dom/ipc/FilePickerParent.h
@@ -0,0 +1,95 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_FilePickerParent_h
+#define mozilla_dom_FilePickerParent_h
+
+#include "nsIEventTarget.h"
+#include "nsIFilePicker.h"
+#include "nsCOMArray.h"
+#include "nsThreadUtils.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/PFilePickerParent.h"
+
+class nsIFile;
+
+namespace mozilla::dom {
+
+class FilePickerParent : public PFilePickerParent {
+ public:
+  FilePickerParent(const nsString& aTitle, const int16_t& aMode)
+      : mTitle(aTitle), mMode(aMode), mResult(nsIFilePicker::returnOK) {}
+
+  virtual ~FilePickerParent();
+
+  void Done(int16_t aResult);
+
+  struct BlobImplOrString {
+    RefPtr<BlobImpl> mBlobImpl;
+    nsString mDirectoryPath;
+
+    enum { eBlobImpl, eDirectoryPath } mType;
+  };
+
+  void SendFilesOrDirectories(const nsTArray<BlobImplOrString>& aData);
+
+  mozilla::ipc::IPCResult RecvOpen(
+      const int16_t& aSelectedType, const bool& aAddToRecentDocs,
+      const nsString& aDefaultFile, const nsString& aDefaultExtension,
+      nsTArray<nsString>&& aFilters, nsTArray<nsString>&& aFilterNames,
+      nsTArray<nsString>&& aRawFilters, const nsString& aDisplayDirectory,
+      const nsString& aDisplaySpecialDirectory, const nsString& aOkButtonLabel,
+      const int16_t& aCapture);
+
+  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  class FilePickerShownCallback : public nsIFilePickerShownCallback {
+   public:
+    explicit FilePickerShownCallback(FilePickerParent* aFilePickerParent)
+        : mFilePickerParent(aFilePickerParent) {}
+
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIFILEPICKERSHOWNCALLBACK
+
+    void Destroy();
+
+   private:
+    virtual ~FilePickerShownCallback() = default;
+    FilePickerParent* mFilePickerParent;
+  };
+
+ private:
+  bool CreateFilePicker();
+
+  // This runnable is used to do some I/O operation on a separate thread.
+  class IORunnable : public Runnable {
+    FilePickerParent* mFilePickerParent;
+    nsTArray<nsCOMPtr<nsIFile>> mFiles;
+    nsTArray<BlobImplOrString> mResults;
+    nsCOMPtr<nsIEventTarget> mEventTarget;
+    bool mIsDirectory;
+
+   public:
+    IORunnable(FilePickerParent* aFPParent,
+               nsTArray<nsCOMPtr<nsIFile>>&& aFiles, bool aIsDirectory);
+
+    bool Dispatch();
+    NS_IMETHOD Run() override;
+    void Destroy();
+  };
+
+  RefPtr<IORunnable> mRunnable;
+  RefPtr<FilePickerShownCallback> mCallback;
+  nsCOMPtr<nsIFilePicker> mFilePicker;
+
+  nsString mTitle;
+  int16_t mMode;
+  int16_t mResult;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_FilePickerParent_h