widget/gtk/nsGTKToolkit.h
author Michael Kaply <mozilla@kaply.com>
Wed, 20 Feb 2019 19:44:05 +0000
changeset 516092 009f023e478cf643f46136951c78887e578ce02d
parent 508251 66eb1f485c1a3ea81372758bc92292c9428b17cd
permissions -rw-r--r--
Bug 1522151 - Use correct region for regionOverrides. r=nalexander, a=lizzard Differential Revision: https://phabricator.services.mozilla.com/D17379

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
 */
/* 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 GTKTOOLKIT_H
#define GTKTOOLKIT_H

#include "nsString.h"
#include <gtk/gtk.h>

/**
 * Wrapper around the thread running the message pump.
 * The toolkit abstraction is necessary because the message pump must
 * execute within the same thread that created the widget under Win32.
 */

class nsGTKToolkit {
 public:
  nsGTKToolkit();

  static nsGTKToolkit* GetToolkit();

  static void Shutdown() {
    delete gToolkit;
    gToolkit = nullptr;
  }

  /**
   * Get/set our value of DESKTOP_STARTUP_ID. When non-empty, this is applied
   * to the next toplevel window to be shown or focused (and then immediately
   * cleared).
   */
  void SetDesktopStartupID(const nsACString& aID) { mDesktopStartupID = aID; }
  void GetDesktopStartupID(nsACString* aID) { *aID = mDesktopStartupID; }

  /**
   * Get/set the timestamp value to be used, if non-zero, to focus the
   * next top-level window to be shown or focused (upon which it is cleared).
   */
  void SetFocusTimestamp(uint32_t aTimestamp) { mFocusTimestamp = aTimestamp; }
  uint32_t GetFocusTimestamp() { return mFocusTimestamp; }

 private:
  static nsGTKToolkit* gToolkit;

  nsCString mDesktopStartupID;
  uint32_t mFocusTimestamp;
};

#endif  // GTKTOOLKIT_H