dom/events/InputEvent.cpp

   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 "mozilla/dom/InputEvent.h"
   7 #include "mozilla/TextEvents.h"
   8 #include "prtime.h"
   9
  10 namespace mozilla {
  11 namespace dom {
  12
  13 InputEvent::InputEvent(EventTarget* aOwner,
  14                        nsPresContext* aPresContext,
  15                        InternalEditorInputEvent* aEvent)
  16   : UIEvent(aOwner, aPresContext,
  17             aEvent ? aEvent : new InternalEditorInputEvent(false, 0, nullptr))
  18 {
  19   NS_ASSERTION(mEvent->mClass == eEditorInputEventClass,
  20                "event type mismatch");
  21
  22   if (aEvent) {
  23     mEventIsInternal = false;
  24   } else {
  25     mEventIsInternal = true;
  26     mEvent->time = PR_Now();
  27   }
  28 }
  29
  30 NS_IMPL_ADDREF_INHERITED(InputEvent, UIEvent)
  31 NS_IMPL_RELEASE_INHERITED(InputEvent, UIEvent)
  32
  33 NS_INTERFACE_MAP_BEGIN(InputEvent)
  34 NS_INTERFACE_MAP_END_INHERITING(UIEvent)
  35
  36 bool
  37 InputEvent::IsComposing()
  38 {
  39   return mEvent->AsEditorInputEvent()->mIsComposing;
  40 }
  41
  42 already_AddRefed<InputEvent>
  43 InputEvent::Constructor(const GlobalObject& aGlobal,
  44                         const nsAString& aType,
  45                         const InputEventInit& aParam,
  46                         ErrorResult& aRv)
  47 {
  48   nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
  49   nsRefPtr<InputEvent> e = new InputEvent(t, nullptr, nullptr);
  50   bool trusted = e->Init(t);
  51   aRv = e->InitUIEvent(aType, aParam.mBubbles, aParam.mCancelable,
  52                        aParam.mView, aParam.mDetail);
  53   InternalEditorInputEvent* internalEvent = e->mEvent->AsEditorInputEvent();
  54   internalEvent->mIsComposing = aParam.mIsComposing;
  55   e->SetTrusted(trusted);
  56   return e.forget();
  57 }
  58
  59 } // namespace dom
  60 } // namespace mozilla
  61
  62 using namespace mozilla;
  63 using namespace mozilla::dom;
  64
  65 nsresult
  66 NS_NewDOMInputEvent(nsIDOMEvent** aInstancePtrResult,
  67                     EventTarget* aOwner,
  68                     nsPresContext* aPresContext,
  69                     InternalEditorInputEvent* aEvent)
  70 {
  71   InputEvent* it = new InputEvent(aOwner, aPresContext, aEvent);
  72   NS_ADDREF(it);
  73   *aInstancePtrResult = static_cast<Event*>(it);
  74   return NS_OK;
  75 }