зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.0 KiB
C++
135 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "base/basictypes.h"
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#include "ipc/IPCMessageUtils.h"
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#include "mozilla/dom/DOMRect.h"
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#include "mozilla/dom/NotifyPaintEvent.h"
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#include "mozilla/dom/PaintRequest.h"
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#include "mozilla/GfxMessageUtils.h"
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#include "nsContentUtils.h"
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namespace mozilla::dom {
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NotifyPaintEvent::NotifyPaintEvent(
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EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent,
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EventMessage aEventMessage, nsTArray<nsRect>* aInvalidateRequests,
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uint64_t aTransactionId, DOMHighResTimeStamp aTimeStamp)
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: Event(aOwner, aPresContext, aEvent) {
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if (mEvent) {
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mEvent->mMessage = aEventMessage;
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}
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if (aInvalidateRequests) {
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mInvalidateRequests.SwapElements(*aInvalidateRequests);
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}
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mTransactionId = aTransactionId;
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mTimeStamp = aTimeStamp;
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}
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nsRegion NotifyPaintEvent::GetRegion(SystemCallerGuarantee) {
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nsRegion r;
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for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
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r.Or(r, mInvalidateRequests[i]);
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r.SimplifyOutward(10);
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}
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return r;
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}
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already_AddRefed<DOMRect> NotifyPaintEvent::BoundingClientRect(
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SystemCallerGuarantee aGuarantee) {
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RefPtr<DOMRect> rect = new DOMRect(ToSupports(this));
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if (mPresContext) {
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rect->SetLayoutRect(GetRegion(aGuarantee).GetBounds());
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}
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return rect.forget();
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}
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already_AddRefed<DOMRectList> NotifyPaintEvent::ClientRects(
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SystemCallerGuarantee aGuarantee) {
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nsISupports* parent = ToSupports(this);
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RefPtr<DOMRectList> rectList = new DOMRectList(parent);
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nsRegion r = GetRegion(aGuarantee);
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for (auto iter = r.RectIter(); !iter.Done(); iter.Next()) {
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RefPtr<DOMRect> rect = new DOMRect(parent);
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rect->SetLayoutRect(iter.Get());
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rectList->Append(rect);
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}
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return rectList.forget();
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}
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already_AddRefed<PaintRequestList> NotifyPaintEvent::PaintRequests(
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SystemCallerGuarantee) {
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Event* parent = this;
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RefPtr<PaintRequestList> requests = new PaintRequestList(parent);
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for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
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RefPtr<PaintRequest> r = new PaintRequest(parent);
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r->SetRequest(mInvalidateRequests[i]);
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requests->Append(r);
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}
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return requests.forget();
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}
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void NotifyPaintEvent::Serialize(IPC::Message* aMsg,
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bool aSerializeInterfaceType) {
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if (aSerializeInterfaceType) {
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IPC::WriteParam(aMsg, u"notifypaintevent"_ns);
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}
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Event::Serialize(aMsg, false);
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uint32_t length = mInvalidateRequests.Length();
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IPC::WriteParam(aMsg, length);
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for (uint32_t i = 0; i < length; ++i) {
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IPC::WriteParam(aMsg, mInvalidateRequests[i]);
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}
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}
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bool NotifyPaintEvent::Deserialize(const IPC::Message* aMsg,
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PickleIterator* aIter) {
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NS_ENSURE_TRUE(Event::Deserialize(aMsg, aIter), false);
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uint32_t length = 0;
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &length), false);
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mInvalidateRequests.SetCapacity(length);
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for (uint32_t i = 0; i < length; ++i) {
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nsRect req;
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req), false);
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mInvalidateRequests.AppendElement(req);
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}
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return true;
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}
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uint64_t NotifyPaintEvent::TransactionId(SystemCallerGuarantee) {
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return mTransactionId;
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}
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DOMHighResTimeStamp NotifyPaintEvent::PaintTimeStamp(SystemCallerGuarantee) {
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return mTimeStamp;
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}
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} // namespace mozilla::dom
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using namespace mozilla;
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using namespace mozilla::dom;
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already_AddRefed<NotifyPaintEvent> NS_NewDOMNotifyPaintEvent(
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EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent,
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EventMessage aEventMessage, nsTArray<nsRect>* aInvalidateRequests,
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uint64_t aTransactionId, DOMHighResTimeStamp aTimeStamp) {
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RefPtr<NotifyPaintEvent> it =
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new NotifyPaintEvent(aOwner, aPresContext, aEvent, aEventMessage,
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aInvalidateRequests, aTransactionId, aTimeStamp);
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return it.forget();
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}
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