dom/events/CommandEvent.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/CommandEvent.h"
   7 #include "mozilla/MiscEvents.h"
   8 #include "prtime.h"
   9
  10 namespace mozilla {
  11 namespace dom {
  12
  13 CommandEvent::CommandEvent(EventTarget* aOwner,
  14                            nsPresContext* aPresContext,
  15                            WidgetCommandEvent* aEvent)
  16   : Event(aOwner, aPresContext,
  17           aEvent ? aEvent :
  18                    new WidgetCommandEvent(false, nullptr, nullptr, nullptr))
  19 {
  20   mEvent->time = PR_Now();
  21   if (aEvent) {
  22     mEventIsInternal = false;
  23   } else {
  24     mEventIsInternal = true;
  25   }
  26 }
  27
  28 NS_INTERFACE_MAP_BEGIN(CommandEvent)
  29   NS_INTERFACE_MAP_ENTRY(nsIDOMCommandEvent)
  30 NS_INTERFACE_MAP_END_INHERITING(Event)
  31
  32 NS_IMPL_ADDREF_INHERITED(CommandEvent, Event)
  33 NS_IMPL_RELEASE_INHERITED(CommandEvent, Event)
  34
  35 NS_IMETHODIMP
  36 CommandEvent::GetCommand(nsAString& aCommand)
  37 {
  38   nsIAtom* command = mEvent->AsCommandEvent()->command;
  39   if (command) {
  40     command->ToString(aCommand);
  41   } else {
  42     aCommand.Truncate();
  43   }
  44   return NS_OK;
  45 }
  46
  47 NS_IMETHODIMP
  48 CommandEvent::InitCommandEvent(const nsAString& aTypeArg,
  49                                bool aCanBubbleArg,
  50                                bool aCancelableArg,
  51                                const nsAString& aCommand)
  52 {
  53   nsresult rv = Event::InitEvent(aTypeArg, aCanBubbleArg, aCancelableArg);
  54   NS_ENSURE_SUCCESS(rv, rv);
  55
  56   mEvent->AsCommandEvent()->command = do_GetAtom(aCommand);
  57   return NS_OK;
  58 }
  59
  60 } // namespace dom
  61 } // namespace mozilla
  62
  63 using namespace mozilla;
  64 using namespace mozilla::dom;
  65
  66 nsresult
  67 NS_NewDOMCommandEvent(nsIDOMEvent** aInstancePtrResult,
  68                       EventTarget* aOwner,
  69                       nsPresContext* aPresContext,
  70                       WidgetCommandEvent* aEvent)
  71 {
  72   CommandEvent* it = new CommandEvent(aOwner, aPresContext, aEvent);
  73   NS_ADDREF(it);
  74   *aInstancePtrResult = static_cast<Event*>(it);
  75   return NS_OK;
  76 }