зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.2 KiB
C++
92 строки
3.2 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/. */
|
|
|
|
#include "mozilla/dom/ClipboardEvent.h"
|
|
#include "mozilla/ContentEvents.h"
|
|
#include "mozilla/ErrorResult.h"
|
|
#include "mozilla/dom/DataTransfer.h"
|
|
#include "nsIClipboard.h"
|
|
|
|
namespace mozilla::dom {
|
|
|
|
ClipboardEvent::ClipboardEvent(EventTarget* aOwner, nsPresContext* aPresContext,
|
|
InternalClipboardEvent* aEvent)
|
|
: Event(aOwner, aPresContext,
|
|
aEvent ? aEvent : new InternalClipboardEvent(false, eVoidEvent)) {
|
|
if (aEvent) {
|
|
mEventIsInternal = false;
|
|
} else {
|
|
mEventIsInternal = true;
|
|
mEvent->mTime = PR_Now();
|
|
}
|
|
}
|
|
|
|
void ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble,
|
|
bool aCancelable,
|
|
DataTransfer* aClipboardData) {
|
|
NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
|
|
|
|
Event::InitEvent(aType, aCanBubble, aCancelable);
|
|
mEvent->AsClipboardEvent()->mClipboardData = aClipboardData;
|
|
}
|
|
|
|
already_AddRefed<ClipboardEvent> ClipboardEvent::Constructor(
|
|
const GlobalObject& aGlobal, const nsAString& aType,
|
|
const ClipboardEventInit& aParam, ErrorResult& aRv) {
|
|
nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
|
|
RefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr);
|
|
bool trusted = e->Init(t);
|
|
|
|
RefPtr<DataTransfer> clipboardData;
|
|
if (e->mEventIsInternal) {
|
|
InternalClipboardEvent* event = e->mEvent->AsClipboardEvent();
|
|
if (event) {
|
|
// Always create a clipboardData for the copy event. If this is changed to
|
|
// support other types of events, make sure that read/write privileges are
|
|
// checked properly within DataTransfer.
|
|
clipboardData = new DataTransfer(ToSupports(e), eCopy, false, -1);
|
|
clipboardData->SetData(aParam.mDataType, aParam.mData,
|
|
*aGlobal.GetSubjectPrincipal(), aRv);
|
|
NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
|
|
}
|
|
}
|
|
|
|
e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
|
|
clipboardData);
|
|
e->SetTrusted(trusted);
|
|
e->SetComposed(aParam.mComposed);
|
|
return e.forget();
|
|
}
|
|
|
|
DataTransfer* ClipboardEvent::GetClipboardData() {
|
|
InternalClipboardEvent* event = mEvent->AsClipboardEvent();
|
|
|
|
if (!event->mClipboardData) {
|
|
if (mEventIsInternal) {
|
|
event->mClipboardData =
|
|
new DataTransfer(ToSupports(this), eCopy, false, -1);
|
|
} else {
|
|
event->mClipboardData = new DataTransfer(
|
|
ToSupports(this), event->mMessage, event->mMessage == ePaste,
|
|
nsIClipboard::kGlobalClipboard);
|
|
}
|
|
}
|
|
|
|
return event->mClipboardData;
|
|
}
|
|
|
|
} // namespace mozilla::dom
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
already_AddRefed<ClipboardEvent> NS_NewDOMClipboardEvent(
|
|
EventTarget* aOwner, nsPresContext* aPresContext,
|
|
InternalClipboardEvent* aEvent) {
|
|
RefPtr<ClipboardEvent> it = new ClipboardEvent(aOwner, aPresContext, aEvent);
|
|
return it.forget();
|
|
}
|