From 9e3c08db40b8916968b9f30096c7be3f00ce9647 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:44:51 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/canvas/CacheInvalidator.cpp | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 dom/canvas/CacheInvalidator.cpp (limited to 'dom/canvas/CacheInvalidator.cpp') diff --git a/dom/canvas/CacheInvalidator.cpp b/dom/canvas/CacheInvalidator.cpp new file mode 100644 index 0000000000..c796cfce6b --- /dev/null +++ b/dom/canvas/CacheInvalidator.cpp @@ -0,0 +1,46 @@ +/* -*- Mode: C++; tab-width: 13; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=13 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 "CacheInvalidator.h" + +namespace mozilla { + +void CacheInvalidator::InvalidateCaches() const { + // The only sane approach is to require caches to remove invalidators. + while (!mCaches.empty()) { + const auto& itr = mCaches.begin(); + const auto pEntry = *itr; + pEntry->OnInvalidate(); + MOZ_ASSERT(mCaches.find(pEntry) == mCaches.end()); + } +} + +// - + +void AbstractCache::ResetInvalidators(InvalidatorListT&& newList) { + for (const auto& cur : mInvalidators) { + if (cur) { + (void)cur->mCaches.erase(this); + } + } + + mInvalidators = std::move(newList); + + for (const auto& cur : mInvalidators) { + // Don't assert that we insert, since there may be dupes in `invalidators`. + // (and it's not worth removing the dupes) + if (cur) { + (void)cur->mCaches.insert(this); + } + } +} + +void AbstractCache::AddInvalidator(const CacheInvalidator& x) { + mInvalidators.push_back(&x); + x.mCaches.insert(this); +} + +} // namespace mozilla -- cgit v1.2.3