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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
#include "mozilla/dom/InputEvent.h"
#include "mozilla/TextEvents.h"
#include "mozilla/StaticPrefs_dom.h"
#include "prtime.h"
namespace mozilla::dom {
InputEvent::InputEvent(EventTarget* aOwner, nsPresContext* aPresContext,
InternalEditorInputEvent* aEvent)
: UIEvent(aOwner, aPresContext,
aEvent
? aEvent
: new InternalEditorInputEvent(false, eVoidEvent, nullptr)) {
NS_ASSERTION(mEvent->mClass == eEditorInputEventClass, "event type mismatch");
if (aEvent) {
mEventIsInternal = false;
} else {
mEventIsInternal = true;
}
}
void InputEvent::GetData(nsAString& aData, CallerType aCallerType) {
InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
MOZ_ASSERT(editorInputEvent);
// If clipboard event is disabled, user may not want to leak clipboard
// information via DOM events. If so, we should return empty string instead.
if (mEvent->IsTrusted() && aCallerType != CallerType::System &&
!StaticPrefs::dom_event_clipboardevents_enabled() &&
ExposesClipboardDataOrDataTransfer(editorInputEvent->mInputType)) {
aData = editorInputEvent->mData.IsVoid() ? VoidString() : u""_ns;
return;
}
aData = editorInputEvent->mData;
}
already_AddRefed<DataTransfer> InputEvent::GetDataTransfer(
CallerType aCallerType) {
InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
MOZ_ASSERT(editorInputEvent);
// If clipboard event is disabled, user may not want to leak clipboard
// information via DOM events. If so, we should return DataTransfer which
// has empty string instead. The reason why we make it have empty string is,
// web apps may not expect that InputEvent.dataTransfer returns empty and
// non-null DataTransfer instance.
if (mEvent->IsTrusted() && aCallerType != CallerType::System &&
!StaticPrefs::dom_event_clipboardevents_enabled() &&
ExposesClipboardDataOrDataTransfer(editorInputEvent->mInputType)) {
if (!editorInputEvent->mDataTransfer) {
return nullptr;
}
return do_AddRef(
new DataTransfer(editorInputEvent->mDataTransfer->GetParentObject(),
editorInputEvent->mMessage, u""_ns));
}
return do_AddRef(editorInputEvent->mDataTransfer);
}
void InputEvent::GetInputType(nsAString& aInputType) {
InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
MOZ_ASSERT(editorInputEvent);
if (editorInputEvent->mInputType == EditorInputType::eUnknown) {
aInputType = mInputTypeValue;
} else {
editorInputEvent->GetDOMInputTypeName(aInputType);
}
}
void InputEvent::GetTargetRanges(nsTArray<RefPtr<StaticRange>>& aTargetRanges) {
MOZ_ASSERT(aTargetRanges.IsEmpty());
MOZ_ASSERT(mEvent->AsEditorInputEvent());
aTargetRanges.AppendElements(mEvent->AsEditorInputEvent()->mTargetRanges);
}
bool InputEvent::IsComposing() {
return mEvent->AsEditorInputEvent()->mIsComposing;
}
already_AddRefed<InputEvent> InputEvent::Constructor(
const GlobalObject& aGlobal, const nsAString& aType,
const InputEventInit& aParam) {
nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
RefPtr<InputEvent> e = new InputEvent(t, nullptr, nullptr);
bool trusted = e->Init(t);
e->InitUIEvent(aType, aParam.mBubbles, aParam.mCancelable, aParam.mView,
aParam.mDetail);
InternalEditorInputEvent* internalEvent = e->mEvent->AsEditorInputEvent();
internalEvent->mInputType =
InternalEditorInputEvent::GetEditorInputType(aParam.mInputType);
if (internalEvent->mInputType == EditorInputType::eUnknown) {
e->mInputTypeValue = aParam.mInputType;
}
internalEvent->mData = aParam.mData;
internalEvent->mDataTransfer = aParam.mDataTransfer;
internalEvent->mTargetRanges = aParam.mTargetRanges;
internalEvent->mIsComposing = aParam.mIsComposing;
e->SetTrusted(trusted);
e->SetComposed(aParam.mComposed);
return e.forget();
}
} // namespace mozilla::dom
using namespace mozilla;
using namespace mozilla::dom;
already_AddRefed<InputEvent> NS_NewDOMInputEvent(
EventTarget* aOwner, nsPresContext* aPresContext,
InternalEditorInputEvent* aEvent) {
RefPtr<InputEvent> it = new InputEvent(aOwner, aPresContext, aEvent);
return it.forget();
}