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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "base/basictypes.h"
#include "ipc/IPCMessageUtils.h"
#include "mozilla/dom/DOMRect.h"
#include "mozilla/dom/ScrollAreaEvent.h"
#include "mozilla/ContentEvents.h"
namespace mozilla::dom {
ScrollAreaEvent::ScrollAreaEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
InternalScrollAreaEvent* aEvent)
: UIEvent(aOwner, aPresContext, aEvent), mClientArea(new DOMRect(nullptr)) {
mClientArea->SetLayoutRect(aEvent ? aEvent->mArea : nsRect());
}
NS_IMPL_CYCLE_COLLECTION_INHERITED(ScrollAreaEvent, UIEvent, mClientArea)
NS_IMPL_ADDREF_INHERITED(ScrollAreaEvent, UIEvent)
NS_IMPL_RELEASE_INHERITED(ScrollAreaEvent, UIEvent)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ScrollAreaEvent)
NS_INTERFACE_MAP_END_INHERITING(UIEvent)
void ScrollAreaEvent::InitScrollAreaEvent(const nsAString& aEventType,
bool aCanBubble, bool aCancelable,
nsGlobalWindowInner* aView,
int32_t aDetail, float aX, float aY,
float aWidth, float aHeight) {
NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
UIEvent::InitUIEvent(aEventType, aCanBubble, aCancelable, aView, aDetail);
mClientArea->SetRect(aX, aY, aWidth, aHeight);
}
void ScrollAreaEvent::Serialize(IPC::Message* aMsg,
bool aSerializeInterfaceType) {
if (aSerializeInterfaceType) {
IPC::WriteParam(aMsg, u"scrollareaevent"_ns);
}
Event::Serialize(aMsg, false);
IPC::WriteParam(aMsg, X());
IPC::WriteParam(aMsg, Y());
IPC::WriteParam(aMsg, Width());
IPC::WriteParam(aMsg, Height());
}
bool ScrollAreaEvent::Deserialize(const IPC::Message* aMsg,
PickleIterator* aIter) {
NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false);
float x, y, width, height;
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &x), false);
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &y), false);
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &width), false);
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &height), false);
mClientArea->SetRect(x, y, width, height);
return true;
}
} // namespace mozilla::dom
using namespace mozilla;
using namespace mozilla::dom;
already_AddRefed<ScrollAreaEvent> NS_NewDOMScrollAreaEvent(
EventTarget* aOwner, nsPresContext* aPresContext,
InternalScrollAreaEvent* aEvent) {
RefPtr<ScrollAreaEvent> ev =
new ScrollAreaEvent(aOwner, aPresContext, aEvent);
return ev.forget();
}
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