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/* -*- 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 "mozilla/dom/Document.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
class Document;
}
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, nsINode* aTarget)
: mTarget(aTarget), mType(aType) {
MOZ_ASSERT(aTarget);
}
MOZ_CAN_RUN_SCRIPT void Dispatch(dom::Document* aDoc) {
#ifdef DEBUG
MOZ_ASSERT(!mDispatched);
mDispatched = true;
#endif
nsString name;
switch (mType) {
case FullscreenEventType::Change:
name = u"fullscreenchange"_ns;
break;
case FullscreenEventType::Error:
name = u"fullscreenerror"_ns;
break;
}
nsINode* target = mTarget->GetComposedDoc() == aDoc ? mTarget.get() : aDoc;
Unused << nsContentUtils::DispatchTrustedEvent(
aDoc, target, name, CanBubble::eYes, Cancelable::eNo, Composed::eYes);
}
void Unlink() { mTarget = nullptr; }
nsINode* Target() const { return mTarget.get(); }
private:
nsCOMPtr<nsINode> mTarget;
FullscreenEventType mType;
#ifdef DEBUG
bool mDispatched = false;
#endif
};
inline void ImplCycleCollectionTraverse(
nsCycleCollectionTraversalCallback& aCallback,
PendingFullscreenEvent& aField, const char* aName, uint32_t aFlags = 0) {
CycleCollectionNoteChild(aCallback, aField.Target(), aName, aFlags);
}
inline void ImplCycleCollectionUnlink(PendingFullscreenEvent& aField) {
aField.Unlink();
}
} // namespace mozilla
#endif // mozilla_PendingFullscreenEvent_h_
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