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