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
13 namespace content {
14
ManifestFetcher(const GURL & url)15 ManifestFetcher::ManifestFetcher(const GURL& url)
16 : completed_(false) {
17 fetcher_.reset(ResourceFetcher::Create(url));
18 }
19
~ManifestFetcher()20 ManifestFetcher::~ManifestFetcher() {
21 if (!completed_)
22 Cancel();
23 }
24
Start(blink::WebFrame * frame,const Callback & callback)25 void 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
Cancel()35 void ManifestFetcher::Cancel() {
36 DCHECK(!completed_);
37 fetcher_->Cancel();
38 }
39
OnLoadComplete(const blink::WebURLResponse & response,const std::string & data)40 void 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