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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/NotifyPaintEvent.h"
#include "mozilla/dom/PaintRequest.h"
#include "mozilla/GfxMessageUtils.h"
#include "nsContentUtils.h"
namespace mozilla::dom {
NotifyPaintEvent::NotifyPaintEvent(
EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent,
EventMessage aEventMessage, nsTArray<nsRect>* aInvalidateRequests,
uint64_t aTransactionId, DOMHighResTimeStamp aTimeStamp)
: Event(aOwner, aPresContext, aEvent) {
if (mEvent) {
mEvent->mMessage = aEventMessage;
}
if (aInvalidateRequests) {
mInvalidateRequests.SwapElements(*aInvalidateRequests);
}
mTransactionId = aTransactionId;
mTimeStamp = aTimeStamp;
}
nsRegion NotifyPaintEvent::GetRegion(SystemCallerGuarantee) {
nsRegion r;
for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
r.Or(r, mInvalidateRequests[i]);
r.SimplifyOutward(10);
}
return r;
}
already_AddRefed<DOMRect> NotifyPaintEvent::BoundingClientRect(
SystemCallerGuarantee aGuarantee) {
RefPtr<DOMRect> rect = new DOMRect(ToSupports(this));
if (mPresContext) {
rect->SetLayoutRect(GetRegion(aGuarantee).GetBounds());
}
return rect.forget();
}
already_AddRefed<DOMRectList> NotifyPaintEvent::ClientRects(
SystemCallerGuarantee aGuarantee) {
nsISupports* parent = ToSupports(this);
RefPtr<DOMRectList> rectList = new DOMRectList(parent);
nsRegion r = GetRegion(aGuarantee);
for (auto iter = r.RectIter(); !iter.Done(); iter.Next()) {
RefPtr<DOMRect> rect = new DOMRect(parent);
rect->SetLayoutRect(iter.Get());
rectList->Append(rect);
}
return rectList.forget();
}
already_AddRefed<PaintRequestList> NotifyPaintEvent::PaintRequests(
SystemCallerGuarantee) {
Event* parent = this;
RefPtr<PaintRequestList> requests = new PaintRequestList(parent);
for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
RefPtr<PaintRequest> r = new PaintRequest(parent);
r->SetRequest(mInvalidateRequests[i]);
requests->Append(r);
}
return requests.forget();
}
void NotifyPaintEvent::Serialize(IPC::Message* aMsg,
bool aSerializeInterfaceType) {
if (aSerializeInterfaceType) {
IPC::WriteParam(aMsg, u"notifypaintevent"_ns);
}
Event::Serialize(aMsg, false);
uint32_t length = mInvalidateRequests.Length();
IPC::WriteParam(aMsg, length);
for (uint32_t i = 0; i < length; ++i) {
IPC::WriteParam(aMsg, mInvalidateRequests[i]);
}
}
bool NotifyPaintEvent::Deserialize(const IPC::Message* aMsg,
PickleIterator* aIter) {
NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false);
uint32_t length = 0;
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &length), false);
mInvalidateRequests.SetCapacity(length);
for (uint32_t i = 0; i < length; ++i) {
nsRect req;
NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req), false);
mInvalidateRequests.AppendElement(req);
}
return true;
}
uint64_t NotifyPaintEvent::TransactionId(SystemCallerGuarantee) {
return mTransactionId;
}
DOMHighResTimeStamp NotifyPaintEvent::PaintTimeStamp(SystemCallerGuarantee) {
return mTimeStamp;
}
} // namespace mozilla::dom
using namespace mozilla;
using namespace mozilla::dom;
already_AddRefed<NotifyPaintEvent> NS_NewDOMNotifyPaintEvent(
EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent,
EventMessage aEventMessage, nsTArray<nsRect>* aInvalidateRequests,
uint64_t aTransactionId, DOMHighResTimeStamp aTimeStamp) {
RefPtr<NotifyPaintEvent> it =
new NotifyPaintEvent(aOwner, aPresContext, aEvent, aEventMessage,
aInvalidateRequests, aTransactionId, aTimeStamp);
return it.forget();
}
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