зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.7 KiB
C++
110 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 "nsDOMClipboardEvent.h"
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#include "nsDOMDataTransfer.h"
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#include "nsIClipboard.h"
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#include "mozilla/ContentEvents.h"
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using namespace mozilla;
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nsDOMClipboardEvent::nsDOMClipboardEvent(mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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InternalClipboardEvent* aEvent)
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: nsDOMEvent(aOwner, aPresContext, aEvent ? aEvent :
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new InternalClipboardEvent(false, 0))
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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->time = PR_Now();
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}
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}
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NS_INTERFACE_MAP_BEGIN(nsDOMClipboardEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
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NS_IMPL_ADDREF_INHERITED(nsDOMClipboardEvent, nsDOMEvent)
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NS_IMPL_RELEASE_INHERITED(nsDOMClipboardEvent, nsDOMEvent)
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nsresult
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nsDOMClipboardEvent::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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nsresult rv = nsDOMEvent::InitEvent(aType, aCanBubble, aCancelable);
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NS_ENSURE_SUCCESS(rv, rv);
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mEvent->AsClipboardEvent()->clipboardData = aClipboardData;
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return NS_OK;
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}
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already_AddRefed<nsDOMClipboardEvent>
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nsDOMClipboardEvent::Constructor(const mozilla::dom::GlobalObject& aGlobal,
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const nsAString& aType,
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const mozilla::dom::ClipboardEventInit& aParam,
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mozilla::ErrorResult& aRv)
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{
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nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
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nsRefPtr<nsDOMClipboardEvent> e =
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new nsDOMClipboardEvent(t, nullptr, nullptr);
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bool trusted = e->Init(t);
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nsRefPtr<nsDOMDataTransfer> 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 nsDOMDataTransfer.
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clipboardData = new nsDOMDataTransfer(NS_COPY, false, -1);
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clipboardData->SetData(aParam.mDataType, aParam.mData);
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}
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}
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aRv = e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
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clipboardData);
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e->SetTrusted(trusted);
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return e.forget();
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}
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NS_IMETHODIMP
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nsDOMClipboardEvent::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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nsIDOMDataTransfer*
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nsDOMClipboardEvent::GetClipboardData()
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{
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InternalClipboardEvent* event = mEvent->AsClipboardEvent();
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if (!event->clipboardData) {
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if (mEventIsInternal) {
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event->clipboardData = new nsDOMDataTransfer(NS_COPY, false, -1);
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} else {
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event->clipboardData =
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new nsDOMDataTransfer(event->message, event->message == NS_PASTE, nsIClipboard::kGlobalClipboard);
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}
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}
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return event->clipboardData;
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}
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nsresult NS_NewDOMClipboardEvent(nsIDOMEvent** aInstancePtrResult,
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mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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InternalClipboardEvent* aEvent)
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{
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nsDOMClipboardEvent* it =
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new nsDOMClipboardEvent(aOwner, aPresContext, aEvent);
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return CallQueryInterface(it, aInstancePtrResult);
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}
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