| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/fetchers/manifest_fetcher.h" |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "content/public/renderer/associated_resource_fetcher.h" |
| #include "third_party/WebKit/public/platform/WebURLRequest.h" |
| #include "third_party/WebKit/public/web/WebAssociatedURLLoaderOptions.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| |
| namespace content { |
| |
| ManifestFetcher::ManifestFetcher(const GURL& url) |
| : completed_(false) { |
| fetcher_.reset(AssociatedResourceFetcher::Create(url)); |
| } |
| |
| ManifestFetcher::~ManifestFetcher() { |
| if (!completed_) |
| Cancel(); |
| } |
| |
| void ManifestFetcher::Start(blink::WebFrame* frame, |
| bool use_credentials, |
| const Callback& callback) { |
| callback_ = callback; |
| |
| blink::WebAssociatedURLLoaderOptions options; |
| // See https://w3c.github.io/manifest/. Use "include" when use_credentials is |
| // true, and "omit" otherwise. |
| options.fetch_credentials_mode = |
| use_credentials ? blink::WebURLRequest::kFetchCredentialsModeInclude |
| : blink::WebURLRequest::kFetchCredentialsModeOmit; |
| options.fetch_request_mode = blink::WebURLRequest::kFetchRequestModeCORS; |
| fetcher_->SetLoaderOptions(options); |
| |
| fetcher_->Start( |
| frame, blink::WebURLRequest::kRequestContextManifest, |
| blink::WebURLRequest::kFrameTypeNone, |
| base::Bind(&ManifestFetcher::OnLoadComplete, base::Unretained(this))); |
| } |
| |
| void ManifestFetcher::Cancel() { |
| DCHECK(!completed_); |
| fetcher_->Cancel(); |
| } |
| |
| void ManifestFetcher::OnLoadComplete(const blink::WebURLResponse& response, |
| const std::string& data) { |
| DCHECK(!completed_); |
| completed_ = true; |
| |
| Callback callback = callback_; |
| callback.Run(response, data); |
| } |
| |
| } // namespace content |