1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/events/ClipboardEvent.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,135 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/dom/ClipboardEvent.h"
1.10 +#include "mozilla/ContentEvents.h"
1.11 +#include "mozilla/dom/DataTransfer.h"
1.12 +#include "nsIClipboard.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace dom {
1.16 +
1.17 +ClipboardEvent::ClipboardEvent(EventTarget* aOwner,
1.18 + nsPresContext* aPresContext,
1.19 + InternalClipboardEvent* aEvent)
1.20 + : Event(aOwner, aPresContext,
1.21 + aEvent ? aEvent : new InternalClipboardEvent(false, 0))
1.22 +{
1.23 + if (aEvent) {
1.24 + mEventIsInternal = false;
1.25 + } else {
1.26 + mEventIsInternal = true;
1.27 + mEvent->time = PR_Now();
1.28 + }
1.29 +}
1.30 +
1.31 +NS_INTERFACE_MAP_BEGIN(ClipboardEvent)
1.32 + NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent)
1.33 +NS_INTERFACE_MAP_END_INHERITING(Event)
1.34 +
1.35 +NS_IMPL_ADDREF_INHERITED(ClipboardEvent, Event)
1.36 +NS_IMPL_RELEASE_INHERITED(ClipboardEvent, Event)
1.37 +
1.38 +nsresult
1.39 +ClipboardEvent::InitClipboardEvent(const nsAString& aType,
1.40 + bool aCanBubble,
1.41 + bool aCancelable,
1.42 + nsIDOMDataTransfer* aClipboardData)
1.43 +{
1.44 + nsCOMPtr<DataTransfer> clipboardData = do_QueryInterface(aClipboardData);
1.45 + // Null clipboardData is OK
1.46 +
1.47 + ErrorResult rv;
1.48 + InitClipboardEvent(aType, aCanBubble, aCancelable, clipboardData, rv);
1.49 +
1.50 + return rv.ErrorCode();
1.51 +}
1.52 +
1.53 +void
1.54 +ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble,
1.55 + bool aCancelable,
1.56 + DataTransfer* aClipboardData,
1.57 + ErrorResult& aError)
1.58 +{
1.59 + aError = Event::InitEvent(aType, aCanBubble, aCancelable);
1.60 + if (aError.Failed()) {
1.61 + return;
1.62 + }
1.63 +
1.64 + mEvent->AsClipboardEvent()->clipboardData = aClipboardData;
1.65 +}
1.66 +
1.67 +already_AddRefed<ClipboardEvent>
1.68 +ClipboardEvent::Constructor(const GlobalObject& aGlobal,
1.69 + const nsAString& aType,
1.70 + const ClipboardEventInit& aParam,
1.71 + ErrorResult& aRv)
1.72 +{
1.73 + nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
1.74 + nsRefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr);
1.75 + bool trusted = e->Init(t);
1.76 +
1.77 + nsRefPtr<DataTransfer> clipboardData;
1.78 + if (e->mEventIsInternal) {
1.79 + InternalClipboardEvent* event = e->mEvent->AsClipboardEvent();
1.80 + if (event) {
1.81 + // Always create a clipboardData for the copy event. If this is changed to
1.82 + // support other types of events, make sure that read/write privileges are
1.83 + // checked properly within DataTransfer.
1.84 + clipboardData = new DataTransfer(ToSupports(e), NS_COPY, false, -1);
1.85 + clipboardData->SetData(aParam.mDataType, aParam.mData);
1.86 + }
1.87 + }
1.88 +
1.89 + e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
1.90 + clipboardData, aRv);
1.91 + e->SetTrusted(trusted);
1.92 + return e.forget();
1.93 +}
1.94 +
1.95 +NS_IMETHODIMP
1.96 +ClipboardEvent::GetClipboardData(nsIDOMDataTransfer** aClipboardData)
1.97 +{
1.98 + NS_IF_ADDREF(*aClipboardData = GetClipboardData());
1.99 + return NS_OK;
1.100 +}
1.101 +
1.102 +DataTransfer*
1.103 +ClipboardEvent::GetClipboardData()
1.104 +{
1.105 + InternalClipboardEvent* event = mEvent->AsClipboardEvent();
1.106 +
1.107 + if (!event->clipboardData) {
1.108 + if (mEventIsInternal) {
1.109 + event->clipboardData =
1.110 + new DataTransfer(ToSupports(this), NS_COPY, false, -1);
1.111 + } else {
1.112 + event->clipboardData =
1.113 + new DataTransfer(ToSupports(this), event->message,
1.114 + event->message == NS_PASTE,
1.115 + nsIClipboard::kGlobalClipboard);
1.116 + }
1.117 + }
1.118 +
1.119 + return event->clipboardData;
1.120 +}
1.121 +
1.122 +} // namespace dom
1.123 +} // namespace mozilla
1.124 +
1.125 +using namespace mozilla;
1.126 +using namespace mozilla::dom;
1.127 +
1.128 +nsresult
1.129 +NS_NewDOMClipboardEvent(nsIDOMEvent** aInstancePtrResult,
1.130 + EventTarget* aOwner,
1.131 + nsPresContext* aPresContext,
1.132 + InternalClipboardEvent* aEvent)
1.133 +{
1.134 + ClipboardEvent* it = new ClipboardEvent(aOwner, aPresContext, aEvent);
1.135 + NS_ADDREF(it);
1.136 + *aInstancePtrResult = static_cast<Event*>(it);
1.137 + return NS_OK;
1.138 +}
