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| 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 |
| 15 ManifestFetcher::ManifestFetcher(const GURL& url) |
| 16 : completed_(false) { |
| 17 fetcher_.reset(ResourceFetcher::Create(url)); |
| 18 } |
| 19 |
| 20 ManifestFetcher::~ManifestFetcher() { |
| 21 if (!completed_) |
| 22 Cancel(); |
| 23 } |
| 24 |
| 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 |
| 35 void ManifestFetcher::Cancel() { |
| 36 DCHECK(!completed_); |
| 37 fetcher_->Cancel(); |
| 38 } |
| 39 |
| 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 |
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