mirror of
https://github.com/classilla/tenfourfox.git
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177 lines
4.8 KiB
C++
177 lines
4.8 KiB
C++
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/* -*- 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 {
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namespace dom {
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NotifyPaintEvent::NotifyPaintEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent,
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EventMessage aEventMessage,
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nsInvalidateRequestList* aInvalidateRequests)
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: Event(aOwner, aPresContext, aEvent)
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{
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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.AppendElements(Move(aInvalidateRequests->mRequests));
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}
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}
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NS_INTERFACE_MAP_BEGIN(NotifyPaintEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMNotifyPaintEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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NS_IMPL_ADDREF_INHERITED(NotifyPaintEvent, Event)
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NS_IMPL_RELEASE_INHERITED(NotifyPaintEvent, Event)
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nsRegion
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NotifyPaintEvent::GetRegion()
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{
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nsRegion r;
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if (!nsContentUtils::IsCallerChrome()) {
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return r;
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}
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for (uint32_t i = 0; i < mInvalidateRequests.Length(); ++i) {
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r.Or(r, mInvalidateRequests[i].mRect);
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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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NS_IMETHODIMP
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NotifyPaintEvent::GetBoundingClientRect(nsIDOMClientRect** aResult)
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{
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*aResult = BoundingClientRect().take();
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return NS_OK;
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}
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already_AddRefed<DOMRect>
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NotifyPaintEvent::BoundingClientRect()
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{
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RefPtr<DOMRect> rect = new DOMRect(ToSupports(this));
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if (mPresContext) {
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rect->SetLayoutRect(GetRegion().GetBounds());
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}
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return rect.forget();
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}
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NS_IMETHODIMP
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NotifyPaintEvent::GetClientRects(nsIDOMClientRectList** aResult)
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{
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*aResult = ClientRects().take();
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return NS_OK;
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}
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already_AddRefed<DOMRectList>
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NotifyPaintEvent::ClientRects()
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{
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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();
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nsRegionRectIterator iter(r);
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for (const nsRect* rgnRect = iter.Next(); rgnRect; rgnRect = iter.Next()) {
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RefPtr<DOMRect> rect = new DOMRect(parent);
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rect->SetLayoutRect(*rgnRect);
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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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NS_IMETHODIMP
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NotifyPaintEvent::GetPaintRequests(nsISupports** aResult)
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{
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RefPtr<PaintRequestList> requests = PaintRequests();
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requests.forget(aResult);
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return NS_OK;
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}
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already_AddRefed<PaintRequestList>
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NotifyPaintEvent::PaintRequests()
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{
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Event* parent = this;
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RefPtr<PaintRequestList> requests = new PaintRequestList(parent);
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if (nsContentUtils::IsCallerChrome()) {
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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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}
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return requests.forget();
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}
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NS_IMETHODIMP_(void)
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NotifyPaintEvent::Serialize(IPC::Message* aMsg,
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bool aSerializeInterfaceType)
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{
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if (aSerializeInterfaceType) {
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IPC::WriteParam(aMsg, NS_LITERAL_STRING("notifypaintevent"));
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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].mRect);
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IPC::WriteParam(aMsg, mInvalidateRequests[i].mFlags);
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}
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}
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NS_IMETHODIMP_(bool)
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NotifyPaintEvent::Deserialize(const IPC::Message* aMsg, void** aIter)
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{
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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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nsInvalidateRequestList::Request req;
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mRect), false);
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NS_ENSURE_TRUE(IPC::ReadParam(aMsg, aIter, &req.mFlags), 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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} // namespace dom
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} // namespace mozilla
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using namespace mozilla;
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using namespace mozilla::dom;
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already_AddRefed<NotifyPaintEvent>
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NS_NewDOMNotifyPaintEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetEvent* aEvent,
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EventMessage aEventMessage,
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nsInvalidateRequestList* aInvalidateRequests)
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{
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RefPtr<NotifyPaintEvent> it =
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new NotifyPaintEvent(aOwner, aPresContext, aEvent, aEventMessage,
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aInvalidateRequests);
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return it.forget();
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}
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