68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/BasePrincipal.h" // for nsIPrincipal::IsSystemPrincipal()
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#include "mozilla/EventForwards.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "mozilla/dom/TextEvent.h"
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#include "nsGlobalWindowInner.h"
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#include "nsIPrincipal.h"
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#include "nsPresContext.h"
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namespace mozilla::dom {
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TextEvent::TextEvent(EventTarget* aOwner, nsPresContext* aPresContext,
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InternalLegacyTextEvent* aEvent)
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: UIEvent(aOwner, aPresContext,
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aEvent
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? aEvent
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: new InternalLegacyTextEvent(false, eVoidEvent, nullptr)) {
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NS_ASSERTION(mEvent->mClass == eLegacyTextEventClass, "event type mismatch");
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mEventIsInternal = !aEvent;
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}
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void TextEvent::InitTextEvent(const nsAString& typeArg, bool canBubbleArg,
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bool cancelableArg, nsGlobalWindowInner* viewArg,
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const nsAString& dataArg) {
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if (NS_WARN_IF(mEvent->mFlags.mIsBeingDispatched)) {
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return;
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}
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UIEvent::InitUIEvent(typeArg, canBubbleArg, cancelableArg, viewArg, 0);
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static_cast<InternalLegacyTextEvent*>(mEvent)->mData = dataArg;
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}
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void TextEvent::GetData(nsAString& aData,
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nsIPrincipal& aSubjectPrincipal) const {
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InternalLegacyTextEvent* textEvent = mEvent->AsLegacyTextEvent();
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MOZ_ASSERT(textEvent);
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if (mEvent->IsTrusted() && !aSubjectPrincipal.IsSystemPrincipal() &&
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!StaticPrefs::dom_event_clipboardevents_enabled() &&
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ExposesClipboardDataOrDataTransfer(textEvent->mInputType)) {
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aData.Truncate();
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return;
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}
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if (!textEvent->mDataTransfer) {
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aData = textEvent->mData;
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return;
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}
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textEvent->mDataTransfer->GetData(u"text/plain"_ns, aData, aSubjectPrincipal,
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IgnoreErrors());
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}
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} // namespace mozilla::dom
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using namespace mozilla;
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using namespace mozilla::dom;
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already_AddRefed<TextEvent> NS_NewDOMTextEvent(
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EventTarget* aOwner, nsPresContext* aPresContext,
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InternalLegacyTextEvent* aEvent) {
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RefPtr<TextEvent> it = new TextEvent(aOwner, aPresContext, aEvent);
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return it.forget();
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}
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