blob: 055f4972c51499847a960b3dc08e755e6527bc7a [file] [log] [blame]
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/loader/blob_fetcher.h"
#include "base/bind.h"
#include "base/message_loop.h"
namespace cobalt {
namespace loader {
BlobFetcher::BlobFetcher(const GURL& url, Handler* handler,
const ResolverCallback& resolver_callback)
: Fetcher(handler),
url_(url),
resolver_callback_(resolver_callback),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
DCHECK(!resolver_callback_.is_null());
Fetch();
}
void BlobFetcher::Fetch() {
size_t buffer_size = 0;
const char* buffer_data = NULL;
if (resolver_callback_.Run(url_, &buffer_data, &buffer_size)) {
if (buffer_size > 0) {
handler()->OnReceived(this, buffer_data, buffer_size);
}
handler()->OnDone(this);
} else {
handler()->OnError(this, "Blob URL not found in object store.");
}
}
BlobFetcher::~BlobFetcher() {}
} // namespace loader
} // namespace cobalt