1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/fetchers/manifest_fetcher.h"
6
7#include "base/bind.h"
8#include "base/logging.h"
9#include "content/public/renderer/resource_fetcher.h"
10#include "third_party/WebKit/public/platform/WebURLRequest.h"
11#include "third_party/WebKit/public/web/WebFrame.h"
12
13namespace content {
14
15ManifestFetcher::ManifestFetcher(const GURL& url)
16    : completed_(false) {
17  fetcher_.reset(ResourceFetcher::Create(url));
18}
19
20ManifestFetcher::~ManifestFetcher() {
21  if (!completed_)
22    Cancel();
23}
24
25void ManifestFetcher::Start(blink::WebFrame* frame, const Callback& callback) {
26  callback_ = callback;
27  fetcher_->Start(frame,
28                  blink::WebURLRequest::RequestContextManifest,
29                  blink::WebURLRequest::FrameTypeNone,
30                  ResourceFetcher::FRAME_ASSOCIATED_LOADER,
31                  base::Bind(&ManifestFetcher::OnLoadComplete,
32                             base::Unretained(this)));
33}
34
35void ManifestFetcher::Cancel() {
36  DCHECK(!completed_);
37  fetcher_->Cancel();
38}
39
40void ManifestFetcher::OnLoadComplete(const blink::WebURLResponse& response,
41                                     const std::string& data) {
42  DCHECK(!completed_);
43  completed_ = true;
44
45  Callback callback = callback_;
46  callback.Run(response, data);
47}
48
49} // namespace content
50