gecko-dev/dom/events/PendingFullscreenEvent.h
Xidorn Quan 04533463d7 Bug 1489387 - Have fullscreenerror event aligned to refresh driver tick. r=smaug
Depends on D5235

Differential Revision: https://phabricator.services.mozilla.com/D5236

--HG--
extra : moz-landing-system : lando
2018-09-09 23:33:40 +00:00

69 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_PendingFullscreenEvent_h_
#define mozilla_PendingFullscreenEvent_h_
#include "nsContentUtils.h"
class nsIDocument;
namespace mozilla {
enum class FullscreenEventType
{
Change,
Error,
};
/*
* Class for dispatching a fullscreen event. It should be queued and
* invoked as part of "run the fullscreen steps" algorithm.
*/
class PendingFullscreenEvent
{
public:
PendingFullscreenEvent(FullscreenEventType aType, nsIDocument* aDoc)
: mDocument(aDoc)
, mType(aType)
{
MOZ_ASSERT(aDoc);
}
nsIDocument* Document() const { return mDocument; }
void Dispatch()
{
#ifdef DEBUG
MOZ_ASSERT(!mDispatched);
mDispatched = true;
#endif
nsString name;
switch (mType) {
case FullscreenEventType::Change:
name = NS_LITERAL_STRING("fullscreenchange");
break;
case FullscreenEventType::Error:
name = NS_LITERAL_STRING("fullscreenerror");
break;
}
Unused << nsContentUtils::DispatchTrustedEvent(
mDocument, mDocument, name,
CanBubble::eYes, Cancelable::eNo, nullptr);
}
private:
nsCOMPtr<nsIDocument> mDocument;
FullscreenEventType mType;
#ifdef DEBUG
bool mDispatched = false;
#endif
};
} // namespace mozilla
#endif // mozilla_PendingFullscreenEvent_h_