widget/cocoa/NativeKeyBindings.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 NativeKeyBindings_h
   7 #define NativeKeyBindings_h
   8
   9 #include "mozilla/Attributes.h"
  10 #include "mozilla/EventForwards.h"
  11 #include "nsTHashMap.h"
  12 #include "nsIWidget.h"
  13
  14 struct objc_selector;
  15
  16 namespace mozilla {
  17 enum class NativeKeyBindingsType : uint8_t;
  18
  19 class WritingMode;
  20 template <typename T>
  21 class Maybe;
  22
  23 namespace widget {
  24
  25 typedef nsTHashMap<nsPtrHashKey<objc_selector>, Command>
  26     SelectorCommandHashtable;
  27
  28 class NativeKeyBindings final {
  29  public:
  30   static NativeKeyBindings* GetInstance(NativeKeyBindingsType aType);
  31   static void Shutdown();
  32
  33   /**
  34    * GetEditCommandsForTests() returns commands performed in native widget
  35    * in typical environment.  I.e., this does NOT refer customized shortcut
  36    * key mappings of the environment.
  37    */
  38   static void GetEditCommandsForTests(NativeKeyBindingsType aType,
  39                                       const WidgetKeyboardEvent& aEvent,
  40                                       const Maybe<WritingMode>& aWritingMode,
  41                                       nsTArray<CommandInt>& aCommands);
  42
  43   void Init(NativeKeyBindingsType aType);
  44
  45   void GetEditCommands(const WidgetKeyboardEvent& aEvent,
  46                        const Maybe<WritingMode>& aWritingMode,
  47                        nsTArray<CommandInt>& aCommands);
  48
  49  private:
  50   NativeKeyBindings();
  51
  52   void AppendEditCommandsForSelector(objc_selector* aSelector,
  53                                      nsTArray<CommandInt>& aCommands) const;
  54
  55   void LogEditCommands(const nsTArray<CommandInt>& aCommands,
  56                        const char* aDescription) const;
  57
  58   SelectorCommandHashtable mSelectorToCommand;
  59
  60   static NativeKeyBindings* sInstanceForSingleLineEditor;
  61   static NativeKeyBindings* sInstanceForMultiLineEditor;
  62 };  // NativeKeyBindings
  63
  64 }  // namespace widget
  65 }  // namespace mozilla
  66
  67 #endif  // NativeKeyBindings_h