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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 */
#ifndef nsFilePicker_h__
#define nsFilePicker_h__
#include <windows.h>
#include "mozilla/MozPromise.h"
#include "mozilla/dom/BlobImpl.h"
#include "mozilla/dom/BrowsingContext.h"
#include "mozilla/dom/GetFilesHelper.h"
#include "nsIContentAnalysis.h"
#include "nsIFile.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMArray.h"
#include "nsBaseFilePicker.h"
#include "nsString.h"
#include "nsdefs.h"
#include <commdlg.h>
#include <shobjidl.h>
#undef LogSeverity // SetupAPI.h #defines this as DWORD
class nsILoadContext;
namespace mozilla::widget::filedialog {
class Command;
class Results;
enum class FileDialogType : uint8_t;
} // namespace mozilla::widget::filedialog
class nsBaseWinFilePicker : public nsBaseFilePicker {
NS_IMETHOD GetDefaultString(nsAString& aDefaultString) override;
NS_IMETHOD SetDefaultString(const nsAString& aDefaultString) override;
NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension) override;
NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension) override;
nsString mDefaultFilePath;
nsString mDefaultFilename;
nsString mDefaultExtension;
* Native Windows FileSelector wrapper
class nsFilePicker final : public nsBaseWinFilePicker {
virtual ~nsFilePicker() = default;
template <typename T>
using Maybe = mozilla::Maybe<T>;
template <typename T>
using Result = mozilla::Result<T, HRESULT>;
template <typename Res>
using FPPromise = RefPtr<mozilla::MozPromise<Maybe<Res>, HRESULT, true>>;
using Command = mozilla::widget::filedialog::Command;
using Results = mozilla::widget::filedialog::Results;
using FileDialogType = mozilla::widget::filedialog::FileDialogType;
NS_IMETHOD Init(mozilla::dom::BrowsingContext* aBrowsingContext,
const nsAString& aTitle, nsIFilePicker::Mode aMode) override;
// nsIFilePicker (less what's in nsBaseFilePicker and nsBaseWinFilePicker)
NS_IMETHOD GetFilterIndex(int32_t* aFilterIndex) override;
NS_IMETHOD SetFilterIndex(int32_t aFilterIndex) override;
NS_IMETHOD GetFile(nsIFile** aFile) override;
NS_IMETHOD GetFileURL(nsIURI** aFileURL) override;
NS_IMETHOD GetFiles(nsISimpleEnumerator** aFiles) override;
NS_IMETHOD AppendFilter(const nsAString& aTitle,
const nsAString& aFilter) override;
/* method from nsBaseFilePicker */
virtual void InitNative(nsIWidget* aParent, const nsAString& aTitle) override;
nsresult Show(nsIFilePicker::ResultCode* aReturnVal) override;
void GetFilterListArray(nsString& aFilterList);
NS_IMETHOD Open(nsIFilePickerShownCallback* aCallback) override;
RefPtr<mozilla::MozPromise<bool, HRESULT, true>> ShowFolderPicker(
const nsString& aInitialDir);
RefPtr<mozilla::MozPromise<bool, HRESULT, true>> ShowFilePicker(
const nsString& aInitialDir);
// Show the dialog out-of-process.
static FPPromise<Results> ShowFilePickerRemote(
HWND aParent, FileDialogType type, nsTArray<Command> const& commands);
static FPPromise<nsString> ShowFolderPickerRemote(
HWND aParent, nsTArray<Command> const& commands);
// Show the dialog in-process.
static FPPromise<Results> ShowFilePickerLocal(
HWND aParent, FileDialogType type, nsTArray<Command> const& commands);
static FPPromise<nsString> ShowFolderPickerLocal(
HWND aParent, nsTArray<Command> const& commands);
void ClearFiles();
using ContentAnalysisResponse = mozilla::MozPromise<bool, nsresult, true>;
RefPtr<ContentAnalysisResponse> CheckContentAnalysisService();
void RememberLastUsedDirectory();
bool IsPrivacyModeEnabled();
bool IsDefaultPathLink();
bool IsDefaultPathHtml();
nsCOMPtr<nsIWidget> mParentWidget;
nsString mTitle;
nsCString mFile;
int32_t mSelectedType;
nsCOMArray<nsIFile> mFiles;
nsString mUnicodeFile;
struct FreeDeleter {
void operator()(void* aPtr) { ::free(aPtr); }
static mozilla::UniquePtr<char16_t[], FreeDeleter> sLastUsedUnicodeDirectory;
struct Filter {
nsString title;
nsString filter;
AutoTArray<Filter, 1> mFilterList;
#endif // nsFilePicker_h__