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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 "chrome/browser/bitmap_fetcher.h" | |
| 6 | |
| 7 #include "content/public/browser/browser_thread.h" | |
| 8 #include "net/url_request/url_fetcher.h" | |
| 9 #include "net/url_request/url_request_context_getter.h" | |
| 10 #include "net/url_request/url_request_status.h" | |
| 11 | |
| 12 namespace chrome { | |
| 13 | |
| 14 BitmapFetcher::BitmapFetcher(const GURL& url, | |
| 15 BitmapFetcherDelegate* delegate) | |
| 16 : url_(url), | |
| 17 delegate_(delegate) { | |
| 18 } | |
| 19 | |
| 20 BitmapFetcher::~BitmapFetcher() {} | |
| 21 | |
| 22 void BitmapFetcher::Start(net::URLRequestContextGetter* request_context, | |
| 23 const std::string& referrer, | |
| 24 net::URLRequest::ReferrerPolicy referrer_policy, | |
| 25 int load_flags) { | |
| 26 if (url_fetcher_ != NULL) | |
| 27 return; | |
| 28 | |
| 29 url_fetcher_.reset(net::URLFetcher::Create(url_, net::URLFetcher::GET, this)); | |
| 30 url_fetcher_->SetRequestContext(request_context); | |
| 31 url_fetcher_->SetReferrer(referrer); | |
| 32 url_fetcher_->SetReferrerPolicy(referrer_policy); | |
| 33 url_fetcher_->SetLoadFlags(load_flags); | |
| 34 url_fetcher_->Start(); | |
| 35 } | |
| 36 | |
| 37 // Methods inherited from URLFetcherDelegate. | |
| 38 | |
| 39 void BitmapFetcher::OnURLFetchComplete(const net::URLFetcher* source) { | |
| 40 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
| 41 | |
| 42 if (source->GetStatus().status() != net::URLRequestStatus::SUCCESS) { | |
| 43 ReportFailure(); | |
| 44 return; | |
| 45 } | |
| 46 | |
| 47 std::string image_data; | |
| 48 source->GetResponseAsString(&image_data); | |
| 49 image_decoder_ = | |
| 50 new ImageDecoder(this, image_data, ImageDecoder::DEFAULT_CODEC); | |
| 51 | |
| 52 // Call start to begin decoding. The ImageDecoder will call OnImageDecoded | |
| 53 // with the data when it is done. | |
| 54 scoped_refptr<base::MessageLoopProxy> task_runner = | |
| 55 content::BrowserThread::GetMessageLoopProxyForThread( | |
| 56 content::BrowserThread::UI); | |
| 57 image_decoder_->Start(task_runner); | |
| 58 } | |
| 59 | |
| 60 void BitmapFetcher::OnURLFetchDownloadProgress(const net::URLFetcher* source, | |
| 61 int64 current, | |
| 62 int64 total) { | |
| 63 // Do nothing here. | |
| 64 } | |
| 65 | |
| 66 // Methods inherited from ImageDecoder::Delegate. | |
| 67 | |
| 68 void BitmapFetcher::OnImageDecoded(const ImageDecoder* decoder, | |
| 69 const SkBitmap& decoded_image) { | |
| 70 // Make a copy of the bitmap which we pass back to the UI thread. | |
| 71 scoped_ptr<SkBitmap> bitmap(new SkBitmap()); | |
| 72 decoded_image.deepCopyTo(bitmap.get()); | |
| 73 | |
| 74 // Report success. | |
| 75 delegate_->OnFetchComplete(url_, bitmap.get()); | |
| 76 } | |
| 77 | |
| 78 void BitmapFetcher::OnDecodeImageFailed(const ImageDecoder* decoder) { | |
| 79 ReportFailure(); | |
| 80 } | |
| 81 | |
| 82 void BitmapFetcher::ReportFailure() { | |
| 83 delegate_->OnFetchComplete(url_, NULL); | |
| 84 } | |
| 85 | |
| 86 } // namespace chrome | |
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Chromium Code Reviews
Issue 319623003:
[AiS] ImageService (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master