chromium/third_party/blink/renderer/core/css/resolver/matched_properties_cache.cc

/*
 * Copyright (C) 1999 Lars Knoll ([email protected])
 *           (C) 2004-2005 Allan Sandfeld Jensen ([email protected])
 * Copyright (C) 2006, 2007 Nicholas Shanks ([email protected])
 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
 * All rights reserved.
 * Copyright (C) 2007 Alexey Proskuryakov <[email protected]>
 * Copyright (C) 2007, 2008 Eric Seidel <[email protected]>
 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
 * (http://www.torchmobile.com/)
 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
 * Copyright (C) Research In Motion Limited 2011. All rights reserved.
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "third_party/blink/renderer/core/css/resolver/matched_properties_cache.h"

#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/core/css/properties/css_property_ref.h"
#include "third_party/blink/renderer/core/css/resolver/style_resolver_state.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/heap/visitor.h"
#include "third_party/blink/renderer/platform/wtf/text/string_hasher.h"

namespace blink {

static unsigned ComputeMatchedPropertiesHash(const MatchResult& result) { … }

CachedMatchedProperties::CachedMatchedProperties(
    const ComputedStyle* style,
    const ComputedStyle* parent_style,
    const MatchedPropertiesVector& properties)
    : … { … }

void CachedMatchedProperties::Set(const ComputedStyle* style,
                                  const ComputedStyle* parent_style,
                                  const MatchedPropertiesVector& properties) { … }

void CachedMatchedProperties::Clear() { … }

bool CachedMatchedProperties::DependenciesEqual(
    const StyleResolverState& state) { … }

MatchedPropertiesCache::MatchedPropertiesCache() = default;

MatchedPropertiesCache::Key::Key(const MatchResult& result)
    : … { … }

MatchedPropertiesCache::Key::Key(const MatchResult& result, unsigned hash)
    : … { … }

const CachedMatchedProperties* MatchedPropertiesCache::Find(
    const Key& key,
    const StyleResolverState& style_resolver_state) { … }

bool CachedMatchedProperties::operator==(
    const MatchedPropertiesVector& properties) { … }

bool CachedMatchedProperties::operator!=(
    const MatchedPropertiesVector& properties) { … }

void MatchedPropertiesCache::Add(const Key& key,
                                 const ComputedStyle* style,
                                 const ComputedStyle* parent_style) { … }

void MatchedPropertiesCache::Clear() { … }

void MatchedPropertiesCache::ClearViewportDependent() { … }

bool MatchedPropertiesCache::IsStyleCacheable(
    const ComputedStyleBuilder& builder) { … }

bool MatchedPropertiesCache::IsCacheable(const StyleResolverState& state) { … }

void MatchedPropertiesCache::Trace(Visitor* visitor) const { … }

void MatchedPropertiesCache::RemoveCachedMatchedPropertiesWithDeadEntries(
    const LivenessBroker& info) { … }

std::ostream& operator<<(std::ostream& stream,
                         MatchedPropertiesCache::Key& key) { … }

}  // namespace blink