gecko-dev/docshell/base/timeline/TimelineConsumers.cpp

149 строки
4.4 KiB
C++

/* -*- 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 "mozilla/TimelineConsumers.h"
namespace mozilla {
unsigned long TimelineConsumers::sActiveConsumers = 0;
LinkedList<ObservedDocShell>* TimelineConsumers::sObservedDocShells = nullptr;
LinkedList<ObservedDocShell>&
TimelineConsumers::GetOrCreateObservedDocShellsList()
{
if (!sObservedDocShells) {
sObservedDocShells = new LinkedList<ObservedDocShell>();
}
return *sObservedDocShells;
}
void
TimelineConsumers::AddConsumer(nsDocShell* aDocShell)
{
UniquePtr<ObservedDocShell>& observed = aDocShell->mObserved;
MOZ_ASSERT(!observed);
sActiveConsumers++;
observed.reset(new ObservedDocShell(aDocShell));
GetOrCreateObservedDocShellsList().insertFront(observed.get());
}
void
TimelineConsumers::RemoveConsumer(nsDocShell* aDocShell)
{
UniquePtr<ObservedDocShell>& observed = aDocShell->mObserved;
MOZ_ASSERT(observed);
sActiveConsumers--;
observed.get()->ClearMarkers();
observed.get()->remove();
observed.reset(nullptr);
}
bool
TimelineConsumers::IsEmpty()
{
return sActiveConsumers == 0;
}
bool
TimelineConsumers::GetKnownDocShells(Vector<nsRefPtr<nsDocShell>>& aStore)
{
const LinkedList<ObservedDocShell>& docShells = GetOrCreateObservedDocShellsList();
for (const ObservedDocShell* rds = docShells.getFirst();
rds != nullptr;
rds = rds->getNext()) {
if (!aStore.append(**rds)) {
return false;
}
}
return true;
}
void
TimelineConsumers::AddMarkerForDocShell(nsDocShell* aDocShell,
const char* aName,
TracingMetadata aMetaData)
{
if (aDocShell->IsObserved()) {
aDocShell->mObserved->AddMarker(Move(MakeUnique<TimelineMarker>(aDocShell, aName, aMetaData)));
}
}
void
TimelineConsumers::AddMarkerForDocShell(nsDocShell* aDocShell,
const char* aName,
const TimeStamp& aTime,
TracingMetadata aMetaData)
{
if (aDocShell->IsObserved()) {
aDocShell->mObserved->AddMarker(Move(MakeUnique<TimelineMarker>(aDocShell, aName, aTime, aMetaData)));
}
}
void
TimelineConsumers::AddMarkerForDocShell(nsDocShell* aDocShell,
UniquePtr<TimelineMarker>&& aMarker)
{
if (aDocShell->IsObserved()) {
aDocShell->mObserved->AddMarker(Move(aMarker));
}
}
void
TimelineConsumers::AddMarkerForDocShell(nsIDocShell* aDocShell,
const char* aName,
TracingMetadata aMetaData)
{
AddMarkerForDocShell(static_cast<nsDocShell*>(aDocShell), aName, aMetaData);
}
void
TimelineConsumers::AddMarkerForDocShell(nsIDocShell* aDocShell,
const char* aName,
const TimeStamp& aTime,
TracingMetadata aMetaData)
{
AddMarkerForDocShell(static_cast<nsDocShell*>(aDocShell), aName, aTime, aMetaData);
}
void
TimelineConsumers::AddMarkerForDocShell(nsIDocShell* aDocShell,
UniquePtr<TimelineMarker>&& aMarker)
{
AddMarkerForDocShell(static_cast<nsDocShell*>(aDocShell), Move(aMarker));
}
void
TimelineConsumers::AddMarkerForDocShellsList(Vector<nsRefPtr<nsDocShell>>& aDocShells,
const char* aName,
TracingMetadata aMetaData)
{
for (Vector<nsRefPtr<nsDocShell>>::Range range = aDocShells.all();
!range.empty();
range.popFront()) {
AddMarkerForDocShell(range.front(), aName, aMetaData);
}
}
void
TimelineConsumers::AddMarkerForAllObservedDocShells(const char* aName,
TracingMetadata aMetaData)
{
Vector<nsRefPtr<nsDocShell>> docShells;
if (!GetKnownDocShells(docShells)) {
// If we don't successfully populate our vector with *all* docshells being
// observed, don't add the marker to *any* of them.
return;
}
AddMarkerForDocShellsList(docShells, aName, aMetaData);
}
} // namespace mozilla