dom/events/FocusEvent.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/FocusEvent.h"
   8 #include "mozilla/ContentEvents.h"
   9 #include "prtime.h"
  10
  11 namespace mozilla {
  12 namespace dom {
  13
  14 FocusEvent::FocusEvent(EventTarget* aOwner, nsPresContext* aPresContext,
  15                        InternalFocusEvent* aEvent)
  16     : UIEvent(aOwner, aPresContext,
  17               aEvent ? aEvent : new InternalFocusEvent(false, eFocus)) {
  18   if (aEvent) {
  19     mEventIsInternal = false;
  20   } else {
  21     mEventIsInternal = true;
  22     mEvent->mTime = PR_Now();
  23   }
  24 }
  25
  26 already_AddRefed<EventTarget> FocusEvent::GetRelatedTarget() {
  27   return EnsureWebAccessibleRelatedTarget(
  28       mEvent->AsFocusEvent()->mRelatedTarget);
  29 }
  30
  31 void FocusEvent::InitFocusEvent(const nsAString& aType, bool aCanBubble,
  32                                 bool aCancelable, nsGlobalWindowInner* aView,
  33                                 int32_t aDetail, EventTarget* aRelatedTarget) {
  34   MOZ_ASSERT(!mEvent->mFlags.mIsBeingDispatched);
  35
  36   UIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, aDetail);
  37   mEvent->AsFocusEvent()->mRelatedTarget = aRelatedTarget;
  38 }
  39
  40 already_AddRefed<FocusEvent> FocusEvent::Constructor(
  41     const GlobalObject& aGlobal, const nsAString& aType,
  42     const FocusEventInit& aParam, ErrorResult& aRv) {
  43   nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
  44   RefPtr<FocusEvent> e = new FocusEvent(t, nullptr, nullptr);
  45   bool trusted = e->Init(t);
  46   e->InitFocusEvent(aType, aParam.mBubbles, aParam.mCancelable, aParam.mView,
  47                     aParam.mDetail, aParam.mRelatedTarget);
  48   e->SetTrusted(trusted);
  49   e->SetComposed(aParam.mComposed);
  50   return e.forget();
  51 }
  52
  53 }  // namespace dom
  54 }  // namespace mozilla
  55
  56 using namespace mozilla;
  57 using namespace mozilla::dom;
  58
  59 already_AddRefed<FocusEvent> NS_NewDOMFocusEvent(EventTarget* aOwner,
  60                                                  nsPresContext* aPresContext,
  61                                                  InternalFocusEvent* aEvent) {
  62   RefPtr<FocusEvent> it = new FocusEvent(aOwner, aPresContext, aEvent);
  63   return it.forget();
  64 }