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-rw-r--r--dom/events/NotifyPaintEvent.cpp191
1 files changed, 191 insertions, 0 deletions
diff --git a/dom/events/NotifyPaintEvent.cpp b/dom/events/NotifyPaintEvent.cpp
new file mode 100644
index 000000000..bc3537db9
--- /dev/null
+++ b/dom/events/NotifyPaintEvent.cpp
@@ -0,0 +1,191 @@
+/* -*- 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 {
+namespace dom {
+
+NotifyPaintEvent::NotifyPaintEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ WidgetEvent* aEvent,
+ EventMessage aEventMessage,
+ nsInvalidateRequestList* aInvalidateRequests,
+ uint64_t aTransactionId)
+ : Event(aOwner, aPresContext, aEvent)
+{
+ if (mEvent) {
+ mEvent->mMessage = aEventMessage;
+ }
+ if (aInvalidateRequests) {
+ mInvalidateRequests.AppendElements(Move(aInvalidateRequests->mRequests));
+ }
+
+ mTransactionId = aTransactionId;
+}
+
+NS_INTERFACE_MAP_BEGIN(NotifyPaintEvent)
+ NS_INTERFACE_MAP_ENTRY(nsIDOMNotifyPaintEvent)
+NS_INTERFACE_MAP_END_INHERITING(Event)
+
+NS_IMPL_ADDREF_INHERITED(NotifyPaintEvent, Event)
+NS_IMPL_RELEASE_INHERITED(NotifyPaintEvent, Event)
+
+nsRegion
+NotifyPaintEvent::GetRegion()
+{
+ nsRegion r;
+ if (!nsContentUtils::IsCallerChrome()) {
+ return r;
+ }
+ for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
+ r.Or(r, mInvalidateRequests[i].mRect);
+ r.SimplifyOutward(10);
+ }
+ return r;
+}
+
+NS_IMETHODIMP
+NotifyPaintEvent::GetBoundingClientRect(nsIDOMClientRect** aResult)
+{
+ *aResult = BoundingClientRect().take();
+ return NS_OK;
+}
+
+already_AddRefed<DOMRect>
+NotifyPaintEvent::BoundingClientRect()
+{
+ RefPtr<DOMRect> rect = new DOMRect(ToSupports(this));
+
+ if (mPresContext) {
+ rect->SetLayoutRect(GetRegion().GetBounds());
+ }
+
+ return rect.forget();
+}
+
+NS_IMETHODIMP
+NotifyPaintEvent::GetClientRects(nsIDOMClientRectList** aResult)
+{
+ *aResult = ClientRects().take();
+ return NS_OK;
+}
+
+already_AddRefed<DOMRectList>
+NotifyPaintEvent::ClientRects()
+{
+ nsISupports* parent = ToSupports(this);
+ RefPtr<DOMRectList> rectList = new DOMRectList(parent);
+
+ nsRegion r = GetRegion();
+ 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();
+}
+
+NS_IMETHODIMP
+NotifyPaintEvent::GetPaintRequests(nsISupports** aResult)
+{
+ RefPtr<PaintRequestList> requests = PaintRequests();
+ requests.forget(aResult);
+ return NS_OK;
+}
+
+already_AddRefed<PaintRequestList>
+NotifyPaintEvent::PaintRequests()
+{
+ Event* parent = this;
+ RefPtr<PaintRequestList> requests = new PaintRequestList(parent);
+
+ if (nsContentUtils::IsCallerChrome()) {
+ 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();
+}
+
+NS_IMETHODIMP_(void)
+NotifyPaintEvent::Serialize(IPC::Message* aMsg,
+ bool aSerializeInterfaceType)
+{
+ if (aSerializeInterfaceType) {
+ IPC::WriteParam(aMsg, NS_LITERAL_STRING("notifypaintevent"));
+ }
+
+ 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].mRect);
+ IPC::WriteParam(aMsg, mInvalidateRequests[i].mFlags);
+ }
+}
+
+NS_IMETHODIMP_(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) {
+ nsInvalidateRequestList::Request req;
+ NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mRect), false);
+ NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mFlags), false);
+ mInvalidateRequests.AppendElement(req);
+ }
+
+ return true;
+}
+
+NS_IMETHODIMP
+NotifyPaintEvent::GetTransactionId(uint64_t* aTransactionId)
+{
+ *aTransactionId = mTransactionId;
+ return NS_OK;
+}
+
+uint64_t
+NotifyPaintEvent::TransactionId()
+{
+ return mTransactionId;
+}
+
+} // namespace dom
+} // namespace mozilla
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+already_AddRefed<NotifyPaintEvent>
+NS_NewDOMNotifyPaintEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ WidgetEvent* aEvent,
+ EventMessage aEventMessage,
+ nsInvalidateRequestList* aInvalidateRequests,
+ uint64_t aTransactionId)
+{
+ RefPtr<NotifyPaintEvent> it =
+ new NotifyPaintEvent(aOwner, aPresContext, aEvent, aEventMessage,
+ aInvalidateRequests, aTransactionId);
+ return it.forget();
+}