widget/gtk/nsFilePicker.h
author Martin Stransky <stransky@redhat.com>
Fri, 11 Jan 2019 11:21:27 +0000
changeset 506686 25ba8700fe94
parent 505383 6f3709b38781
permissions -rw-r--r--
Bug 1517074 - [Linux/Gtk] Enable native (xdg-desktop based) file dialog on KDE only due to Gtk+ regression. r=jhorak, a=RyanVM Also add widget.allow-gtk-native-file-chooser preference value to force enable on all systems. Differential Revision: https://phabricator.services.mozilla.com/D16184

/* -*- 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 http://mozilla.org/MPL/2.0/. */

#ifndef nsFilePicker_h__
#define nsFilePicker_h__

#include <gtk/gtk.h>

#include "nsBaseFilePicker.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsCOMArray.h"

class nsIWidget;
class nsIFile;

class nsFilePicker : public nsBaseFilePicker {
 public:
  nsFilePicker();

  NS_DECL_ISUPPORTS

  // nsIFilePicker (less what's in nsBaseFilePicker)
  NS_IMETHOD Open(nsIFilePickerShownCallback *aCallback) override;
  NS_IMETHOD AppendFilters(int32_t aFilterMask) override;
  NS_IMETHOD AppendFilter(const nsAString &aTitle,
                          const nsAString &aFilter) override;
  NS_IMETHOD SetDefaultString(const nsAString &aString) override;
  NS_IMETHOD GetDefaultString(nsAString &aString) override;
  NS_IMETHOD SetDefaultExtension(const nsAString &aExtension) override;
  NS_IMETHOD GetDefaultExtension(nsAString &aExtension) override;
  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;

  // nsBaseFilePicker
  virtual void InitNative(nsIWidget *aParent, const nsAString &aTitle) override;

  static void Shutdown();

 protected:
  virtual ~nsFilePicker();

  nsresult Show(int16_t *aReturn) override;
  void ReadValuesFromFileChooser(void *file_chooser);

  static void OnResponse(void *file_chooser, gint response_id,
                         gpointer user_data);
  static void OnDestroy(GtkWidget *file_chooser, gpointer user_data);
  void Done(void *file_chooser, gint response_id);

  nsCOMPtr<nsIWidget> mParentWidget;
  nsCOMPtr<nsIFilePickerShownCallback> mCallback;
  nsCOMArray<nsIFile> mFiles;

  int16_t mSelectedType;
  int16_t mResult;
  bool mRunning;
  bool mAllowURLs;
  nsCString mFileURL;
  nsString mTitle;
  nsString mDefault;
  nsString mDefaultExtension;

  nsTArray<nsCString> mFilters;
  nsTArray<nsCString> mFilterNames;

 private:
  static nsIFile *mPrevDisplayDirectory;

  void *GtkFileChooserNew(const gchar *title, GtkWindow *parent,
                          GtkFileChooserAction action,
                          const gchar *accept_label);
  void GtkFileChooserShow(void *file_chooser);
  void GtkFileChooserDestroy(void *file_chooser);
  void GtkFileChooserSetModal(void *file_chooser, GtkWindow *parent_widget,
                              gboolean modal);

#ifdef MOZ_WIDGET_GTK
  GtkFileChooserWidget *mFileChooserDelegate;
#endif
  bool mUseNativeFileChooser;
};

#endif