chromium/components/feed/core/v2/tasks/prefetch_images_task.cc

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/feed/core/v2/tasks/prefetch_images_task.h"

#include <utility>

#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "components/feed/core/proto/v2/wire/stream_structure.pb.h"
#include "components/feed/core/v2/config.h"
#include "components/feed/core/v2/feed_store.h"
#include "components/feed/core/v2/feed_stream.h"
#include "components/feed/core/v2/public/feed_api.h"
#include "components/feed/core/v2/stream_model.h"
#include "components/feed/core/v2/tasks/load_stream_from_store_task.h"

namespace feed {
namespace {

// Converts a URL string into a GURL. If the string is not a valid URL, returns
// an empty GURL. Since GURL::spec() asserts on invalid URLs, this is necessary
// to scrub the incoming data from the wire.
GURL SpecToGURL(const std::string& url_string) { … }

}  // namespace

PrefetchImagesTask::PrefetchImagesTask(FeedStream* stream) : … { … }

PrefetchImagesTask::~PrefetchImagesTask() = default;

void PrefetchImagesTask::Run() { … }

void PrefetchImagesTask::LoadStreamComplete(
    LoadStreamFromStoreTask::Result result) { … }

void PrefetchImagesTask::PrefetchImagesFromModel(const StreamModel& model) { … }

void PrefetchImagesTask::MaybePrefetchImage(const GURL& gurl) { … }

}  // namespace feed