зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.9 KiB
C++
86 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "DDLifetimes.h"
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#include "DDLogUtils.h"
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namespace mozilla {
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DDLifetime* DDLifetimes::FindLifetime(const DDLogObject& aObject,
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const DDMessageIndex& aIndex) {
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LifetimesForObject* lifetimes = mLifetimes.Get(aObject);
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if (lifetimes) {
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for (DDLifetime& lifetime : *lifetimes) {
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if (lifetime.mObject == aObject && lifetime.IsAliveAt(aIndex)) {
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return &lifetime;
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}
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}
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}
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return nullptr;
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}
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const DDLifetime* DDLifetimes::FindLifetime(
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const DDLogObject& aObject, const DDMessageIndex& aIndex) const {
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const LifetimesForObject* lifetimes = mLifetimes.Get(aObject);
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if (lifetimes) {
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for (const DDLifetime& lifetime : *lifetimes) {
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if (lifetime.mObject == aObject && lifetime.IsAliveAt(aIndex)) {
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return &lifetime;
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}
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}
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}
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return nullptr;
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}
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DDLifetime& DDLifetimes::CreateLifetime(
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const DDLogObject& aObject, DDMessageIndex aIndex,
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const DDTimeStamp& aConstructionTimeStamp) {
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// Use negative tags for yet-unclassified messages.
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static int32_t sTag = 0;
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if (--sTag > 0) {
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sTag = -1;
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}
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LifetimesForObject* lifetimes = mLifetimes.LookupOrAdd(aObject, 1);
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DDLifetime& lifetime = *lifetimes->AppendElement(
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DDLifetime(aObject, aIndex, aConstructionTimeStamp, sTag));
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return lifetime;
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}
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void DDLifetimes::RemoveLifetime(const DDLifetime* aLifetime) {
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LifetimesForObject* lifetimes = mLifetimes.Get(aLifetime->mObject);
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MOZ_ASSERT(lifetimes);
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DDL_LOG(aLifetime->mMediaElement ? mozilla::LogLevel::Debug
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: mozilla::LogLevel::Warning,
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"Remove lifetime %s", aLifetime->Printf().get());
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// We should have been given a pointer inside this lifetimes array.
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auto arrayIndex = aLifetime - lifetimes->Elements();
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MOZ_ASSERT(static_cast<size_t>(arrayIndex) < lifetimes->Length());
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lifetimes->RemoveElementAt(arrayIndex);
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}
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void DDLifetimes::RemoveLifetimesFor(
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const dom::HTMLMediaElement* aMediaElement) {
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for (auto iter = mLifetimes.Iter(); !iter.Done(); iter.Next()) {
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iter.UserData()->RemoveElementsBy(
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[aMediaElement](const DDLifetime& lifetime) {
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return lifetime.mMediaElement == aMediaElement;
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});
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}
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}
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void DDLifetimes::Clear() { mLifetimes.Clear(); }
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size_t DDLifetimes::SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const {
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size_t size = mLifetimes.ShallowSizeOfExcludingThis(aMallocSizeOf);
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for (auto iter = mLifetimes.ConstIter(); !iter.Done(); iter.Next()) {
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size += iter.UserData()->ShallowSizeOfExcludingThis(aMallocSizeOf);
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}
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return size;
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}
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} // namespace mozilla
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