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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/. */
#include "mozilla/BasePrincipal.h" // for nsIPrincipal::IsSystemPrincipal()
#include "mozilla/EventForwards.h"
#include "mozilla/TextEvents.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/TextEvent.h"
#include "nsGlobalWindowInner.h"
#include "nsIPrincipal.h"
#include "nsPresContext.h"
namespace mozilla::dom {
TextEvent::TextEvent(EventTarget* aOwner, nsPresContext* aPresContext,
InternalLegacyTextEvent* aEvent)
: UIEvent(aOwner, aPresContext,
aEvent
? aEvent
: new InternalLegacyTextEvent(false, eVoidEvent, nullptr)) {
NS_ASSERTION(mEvent->mClass == eLegacyTextEventClass, "event type mismatch");
mEventIsInternal = !aEvent;
}
void TextEvent::InitTextEvent(const nsAString& typeArg, bool canBubbleArg,
bool cancelableArg, nsGlobalWindowInner* viewArg,
const nsAString& dataArg) {
if (NS_WARN_IF(mEvent->mFlags.mIsBeingDispatched)) {
return;
}
UIEvent::InitUIEvent(typeArg, canBubbleArg, cancelableArg, viewArg, 0);
static_cast<InternalLegacyTextEvent*>(mEvent)->mData = dataArg;
}
void TextEvent::GetData(nsAString& aData,
nsIPrincipal& aSubjectPrincipal) const {
InternalLegacyTextEvent* textEvent = mEvent->AsLegacyTextEvent();
MOZ_ASSERT(textEvent);
if (mEvent->IsTrusted() && !aSubjectPrincipal.IsSystemPrincipal() &&
!StaticPrefs::dom_event_clipboardevents_enabled() &&
ExposesClipboardDataOrDataTransfer(textEvent->mInputType)) {
aData.Truncate();
return;
}
if (!textEvent->mDataTransfer) {
aData = textEvent->mData;
return;
}
textEvent->mDataTransfer->GetData(u"text/plain"_ns, aData, aSubjectPrincipal,
IgnoreErrors());
}
} // namespace mozilla::dom
using namespace mozilla;
using namespace mozilla::dom;
already_AddRefed<TextEvent> NS_NewDOMTextEvent(
EventTarget* aOwner, nsPresContext* aPresContext,
InternalLegacyTextEvent* aEvent) {
RefPtr<TextEvent> it = new TextEvent(aOwner, aPresContext, aEvent);
return it.forget();
}
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