widget/headless/HeadlessKeyBindingsCocoa.mm

   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 #include "HeadlessKeyBindings.h"
   7 #import <Cocoa/Cocoa.h>
   8 #include "nsCocoaUtils.h"
   9 #include "NativeKeyBindings.h"
  10 #include "mozilla/ClearOnShutdown.h"
  11 #include "mozilla/Maybe.h"
  12 #include "mozilla/NativeKeyBindingsType.h"
  13 #include "mozilla/WritingModes.h"
  14
  15 namespace mozilla {
  16 namespace widget {
  17
  18 HeadlessKeyBindings& HeadlessKeyBindings::GetInstance() {
  19   static UniquePtr<HeadlessKeyBindings> sInstance;
  20   if (!sInstance) {
  21     sInstance.reset(new HeadlessKeyBindings());
  22     ClearOnShutdown(&sInstance);
  23   }
  24   return *sInstance;
  25 }
  26
  27 nsresult HeadlessKeyBindings::AttachNativeKeyEvent(
  28     WidgetKeyboardEvent& aEvent) {
  29   NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
  30
  31   aEvent.mNativeKeyEvent =
  32       nsCocoaUtils::MakeNewCococaEventFromWidgetEvent(aEvent, 0, nil);
  33
  34   return NS_OK;
  35
  36   NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
  37 }
  38
  39 void HeadlessKeyBindings::GetEditCommands(
  40     NativeKeyBindingsType aType, const WidgetKeyboardEvent& aEvent,
  41     const Maybe<WritingMode>& aWritingMode, nsTArray<CommandInt>& aCommands) {
  42   // Convert the widget keyboard into a cocoa event so it can be translated
  43   // into commands in the NativeKeyBindings.
  44   WidgetKeyboardEvent modifiedEvent(aEvent);
  45   modifiedEvent.mNativeKeyEvent =
  46       nsCocoaUtils::MakeNewCococaEventFromWidgetEvent(aEvent, 0, nil);
  47
  48   NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
  49   keyBindings->GetEditCommands(modifiedEvent, aWritingMode, aCommands);
  50 }
  51
  52 }  // namespace widget
  53 }  // namespace mozilla