widget/headless/HeadlessKeyBindings.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_widget_HeadlessKeyBindings_h
   7 #define mozilla_widget_HeadlessKeyBindings_h
   8
   9 #include "mozilla/TextEvents.h"
  10 #include "nsIWidget.h"
  11 #include "nsTArray.h"
  12
  13 namespace mozilla {
  14 enum class NativeKeyBindingsType : uint8_t;
  15
  16 class WritingMode;
  17 template <typename T>
  18 class Maybe;
  19
  20 namespace widget {
  21
  22 /**
  23  * Helper to emulate native key bindings. Currently only MacOS is supported.
  24  */
  25
  26 class HeadlessKeyBindings final {
  27  public:
  28   HeadlessKeyBindings() = default;
  29
  30   static HeadlessKeyBindings& GetInstance();
  31
  32   void GetEditCommands(NativeKeyBindingsType aType,
  33                        const WidgetKeyboardEvent& aEvent,
  34                        const Maybe<WritingMode>& aWritingMode,
  35                        nsTArray<CommandInt>& aCommands);
  36   [[nodiscard]] nsresult AttachNativeKeyEvent(WidgetKeyboardEvent& aEvent);
  37 };
  38
  39 }  // namespace widget
  40 }  // namespace mozilla
  41
  42 #endif  // mozilla_widget_HeadlessKeyBindings_h