image_decoding_store.cc | Explore in Territory

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "third_party/blink/renderer/platform/graphics/image_decoding_store.h"

#include <memory>

#include "base/functional/bind.h"
#include "base/not_fatal_until.h"
#include "base/synchronization/lock.h"
#include "third_party/blink/renderer/platform/graphics/image_frame_generator.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/wtf/threading.h"

namespace blink {

namespace {

static const size_t kDefaultMaxTotalSizeOfHeapEntries = …;

}  // namespace

ImageDecodingStore::ImageDecodingStore()
    : … { … }

ImageDecodingStore::~ImageDecodingStore() { … }

ImageDecodingStore& ImageDecodingStore::Instance() { … }

bool ImageDecodingStore::LockDecoder(
    const ImageFrameGenerator* generator,
    const SkISize& scaled_size,
    ImageDecoder::AlphaOption alpha_option,
    cc::PaintImage::GeneratorClientId client_id,
    ImageDecoder** decoder) { … }

void ImageDecodingStore::UnlockDecoder(
    const ImageFrameGenerator* generator,
    cc::PaintImage::GeneratorClientId client_id,
    const ImageDecoder* decoder) { … }

void ImageDecodingStore::InsertDecoder(
    const ImageFrameGenerator* generator,
    cc::PaintImage::GeneratorClientId client_id,
    std::unique_ptr<ImageDecoder> decoder) { … }

void ImageDecodingStore::RemoveDecoder(
    const ImageFrameGenerator* generator,
    cc::PaintImage::GeneratorClientId client_id,
    const ImageDecoder* decoder) { … }

void ImageDecodingStore::RemoveCacheIndexedByGenerator(
    const ImageFrameGenerator* generator) { … }

void ImageDecodingStore::Clear() { … }

void ImageDecodingStore::SetCacheLimitInBytes(size_t cache_limit) { … }

size_t ImageDecodingStore::MemoryUsageInBytes() { … }

int ImageDecodingStore::CacheEntries() { … }

void ImageDecodingStore::Prune() { … }

void ImageDecodingStore::OnMemoryPressure(
    base::MemoryPressureListener::MemoryPressureLevel level) { … }

template <class T, class U, class V>
void ImageDecodingStore::InsertCacheInternal(std::unique_ptr<T> cache_entry,
                                             U* cache_map,
                                             V* identifier_map) { … }

template <class T, class U, class V>
void ImageDecodingStore::RemoveFromCacheInternal(
    const T* cache_entry,
    U* cache_map,
    V* identifier_map,
    Vector<std::unique_ptr<CacheEntry>>* deletion_list) { … }

void ImageDecodingStore::RemoveFromCacheInternal(
    const CacheEntry* cache_entry,
    Vector<std::unique_ptr<CacheEntry>>* deletion_list) { … }

template <class U, class V>
void ImageDecodingStore::RemoveCacheIndexedByGeneratorInternal(
    U* cache_map,
    V* identifier_map,
    const ImageFrameGenerator* generator,
    Vector<std::unique_ptr<CacheEntry>>* deletion_list) { … }

void ImageDecodingStore::RemoveFromCacheListInternal(
    const Vector<std::unique_ptr<CacheEntry>>& deletion_list) { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/graphics/image_decoding_store.cc
