134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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/dom/ClipboardEvent.h"
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#include "mozilla/ContentEvents.h"
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#include "mozilla/dom/DataTransfer.h"
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#include "nsIClipboard.h"
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namespace mozilla {
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namespace dom {
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ClipboardEvent::ClipboardEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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InternalClipboardEvent* aEvent)
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: Event(aOwner, aPresContext,
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aEvent ? aEvent : new InternalClipboardEvent(false, eVoidEvent))
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{
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if (aEvent) {
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mEventIsInternal = false;
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} else {
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mEventIsInternal = true;
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mEvent->mTime = PR_Now();
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}
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}
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NS_INTERFACE_MAP_BEGIN(ClipboardEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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NS_IMPL_ADDREF_INHERITED(ClipboardEvent, Event)
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NS_IMPL_RELEASE_INHERITED(ClipboardEvent, Event)
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nsresult
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ClipboardEvent::InitClipboardEvent(const nsAString& aType,
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bool aCanBubble,
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bool aCancelable,
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nsIDOMDataTransfer* aClipboardData)
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{
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nsCOMPtr<DataTransfer> clipboardData = do_QueryInterface(aClipboardData);
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// Null clipboardData is OK
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ErrorResult rv;
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InitClipboardEvent(aType, aCanBubble, aCancelable, clipboardData);
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return rv.StealNSResult();
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}
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void
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ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble,
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bool aCancelable,
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DataTransfer* aClipboardData)
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{
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NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
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Event::InitEvent(aType, aCanBubble, aCancelable);
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mEvent->AsClipboardEvent()->mClipboardData = aClipboardData;
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}
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already_AddRefed<ClipboardEvent>
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ClipboardEvent::Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const ClipboardEventInit& aParam,
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ErrorResult& aRv)
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{
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nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
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RefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr);
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bool trusted = e->Init(t);
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RefPtr<DataTransfer> clipboardData;
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if (e->mEventIsInternal) {
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InternalClipboardEvent* event = e->mEvent->AsClipboardEvent();
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if (event) {
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// Always create a clipboardData for the copy event. If this is changed to
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// support other types of events, make sure that read/write privileges are
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// checked properly within DataTransfer.
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clipboardData = new DataTransfer(ToSupports(e), eCopy, false, -1);
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clipboardData->SetData(aParam.mDataType, aParam.mData,
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*aGlobal.GetSubjectPrincipal(), aRv);
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NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
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}
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}
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e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
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clipboardData);
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e->SetTrusted(trusted);
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e->SetComposed(aParam.mComposed);
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return e.forget();
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}
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NS_IMETHODIMP
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ClipboardEvent::GetClipboardData(nsIDOMDataTransfer** aClipboardData)
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{
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NS_IF_ADDREF(*aClipboardData = GetClipboardData());
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return NS_OK;
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}
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DataTransfer*
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ClipboardEvent::GetClipboardData()
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{
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InternalClipboardEvent* event = mEvent->AsClipboardEvent();
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if (!event->mClipboardData) {
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if (mEventIsInternal) {
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event->mClipboardData =
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new DataTransfer(ToSupports(this), eCopy, false, -1);
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} else {
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event->mClipboardData =
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new DataTransfer(ToSupports(this), event->mMessage,
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event->mMessage == ePaste,
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nsIClipboard::kGlobalClipboard);
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}
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}
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return event->mClipboardData;
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}
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} // namespace dom
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} // namespace mozilla
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using namespace mozilla;
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using namespace mozilla::dom;
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already_AddRefed<ClipboardEvent>
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NS_NewDOMClipboardEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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InternalClipboardEvent* aEvent)
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{
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RefPtr<ClipboardEvent> it =
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new ClipboardEvent(aOwner, aPresContext, aEvent);
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return it.forget();
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}
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