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-rw-r--r--dom/events/NotifyPaintEvent.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/dom/events/NotifyPaintEvent.cpp b/dom/events/NotifyPaintEvent.cpp
new file mode 100644
index 0000000000..6bbcd736a4
--- /dev/null
+++ b/dom/events/NotifyPaintEvent.cpp
@@ -0,0 +1,133 @@
+/* -*- 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::MessageWriter* aWriter,
+ bool aSerializeInterfaceType) {
+ if (aSerializeInterfaceType) {
+ IPC::WriteParam(aWriter, u"notifypaintevent"_ns);
+ }
+
+ Event::Serialize(aWriter, false);
+
+ uint32_t length = mInvalidateRequests.Length();
+ IPC::WriteParam(aWriter, length);
+ for (uint32_t i = 0; i < length; ++i) {
+ IPC::WriteParam(aWriter, mInvalidateRequests[i]);
+ }
+}
+
+bool NotifyPaintEvent::Deserialize(IPC::MessageReader* aReader) {
+ NS_ENSURE_TRUE(Event::Deserialize(aReader), false);
+
+ uint32_t length = 0;
+ NS_ENSURE_TRUE(IPC::ReadParam(aReader, &length), false);
+ mInvalidateRequests.SetCapacity(length);
+ for (uint32_t i = 0; i < length; ++i) {
+ nsRect req;
+ NS_ENSURE_TRUE(IPC::ReadParam(aReader, &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();
+}