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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/image_fetcher/image_fetcher_impl.h" | 5 #include "components/image_fetcher/core/image_fetcher_impl.h" |
| 6 | 6 |
| 7 #include <string> | 7 #include <string> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "net/base/load_flags.h" | 10 #include "net/base/load_flags.h" |
| 11 #include "net/url_request/url_request_context_getter.h" | 11 #include "net/url_request/url_request_context_getter.h" |
| 12 | 12 |
| 13 namespace image_fetcher { | 13 namespace image_fetcher { |
| 14 | 14 |
| 15 ImageFetcherImpl::ImageFetcherImpl( | 15 ImageFetcherImpl::ImageFetcherImpl( |
| 16 std::unique_ptr<ImageDecoder> image_decoder, | 16 std::unique_ptr<ImageDecoder> image_decoder, |
| 17 net::URLRequestContextGetter* url_request_context) | 17 net::URLRequestContextGetter* url_request_context) |
| 18 : delegate_(nullptr), url_request_context_(url_request_context), | 18 : delegate_(nullptr), |
| 19 url_request_context_(url_request_context), |
| 19 image_decoder_(std::move(image_decoder)), | 20 image_decoder_(std::move(image_decoder)), |
| 20 image_data_fetcher_(new ImageDataFetcher(url_request_context_.get())) { | 21 image_data_fetcher_(new ImageDataFetcher(url_request_context_.get())) {} |
| 21 } | |
| 22 | 22 |
| 23 ImageFetcherImpl::~ImageFetcherImpl() {} | 23 ImageFetcherImpl::~ImageFetcherImpl() {} |
| 24 | 24 |
| 25 ImageFetcherImpl::ImageRequest::ImageRequest() {} | 25 ImageFetcherImpl::ImageRequest::ImageRequest() {} |
| 26 | 26 |
| 27 ImageFetcherImpl::ImageRequest::ImageRequest(const ImageRequest& other) = | 27 ImageFetcherImpl::ImageRequest::ImageRequest(const ImageRequest& other) = |
| 28 default; | 28 default; |
| 29 | 29 |
| 30 ImageFetcherImpl::ImageRequest::~ImageRequest() { } | 30 ImageFetcherImpl::ImageRequest::~ImageRequest() {} |
| 31 | 31 |
| 32 void ImageFetcherImpl::SetImageFetcherDelegate(ImageFetcherDelegate* delegate) { | 32 void ImageFetcherImpl::SetImageFetcherDelegate(ImageFetcherDelegate* delegate) { |
| 33 DCHECK(delegate); | 33 DCHECK(delegate); |
| 34 delegate_ = delegate; | 34 delegate_ = delegate; |
| 35 } | 35 } |
| 36 | 36 |
| 37 void ImageFetcherImpl::SetDataUseServiceName( | 37 void ImageFetcherImpl::SetDataUseServiceName( |
| 38 DataUseServiceName data_use_service_name) { | 38 DataUseServiceName data_use_service_name) { |
| 39 image_data_fetcher_->SetDataUseServiceName(data_use_service_name); | 39 image_data_fetcher_->SetDataUseServiceName(data_use_service_name); |
| 40 } | 40 } |
| 41 | 41 |
| 42 void ImageFetcherImpl::SetDesiredImageFrameSize(const gfx::Size& size) { | 42 void ImageFetcherImpl::SetDesiredImageFrameSize(const gfx::Size& size) { |
| 43 desired_image_frame_size_ = size; | 43 desired_image_frame_size_ = size; |
| 44 } | 44 } |
| 45 | 45 |
| 46 void ImageFetcherImpl::StartOrQueueNetworkRequest( | 46 void ImageFetcherImpl::StartOrQueueNetworkRequest( |
| 47 const std::string& id, | 47 const std::string& id, |
| 48 const GURL& image_url, | 48 const GURL& image_url, |
| 49 const ImageFetcherCallback& callback) { | 49 const ImageFetcherCallback& callback) { |
| 50 // Before starting to fetch the image. Look for a request in progress for | 50 // Before starting to fetch the image. Look for a request in progress for |
| 51 // |image_url|, and queue if appropriate. | 51 // |image_url|, and queue if appropriate. |
| 52 ImageRequestMap::iterator it = pending_net_requests_.find(image_url); | 52 ImageRequestMap::iterator it = pending_net_requests_.find(image_url); |
| 53 if (it == pending_net_requests_.end()) { | 53 if (it == pending_net_requests_.end()) { |
| 54 ImageRequest request; | 54 ImageRequest request; |
| 55 request.id = id; | 55 request.id = id; |
| 56 request.callbacks.push_back(callback); | 56 request.callbacks.push_back(callback); |
| 57 pending_net_requests_[image_url].swap(&request); | 57 pending_net_requests_[image_url].swap(&request); |
| 58 | 58 |
| 59 image_data_fetcher_->FetchImageData( | 59 image_data_fetcher_->FetchImageData( |
| 60 image_url, | 60 image_url, base::Bind(&ImageFetcherImpl::OnImageURLFetched, |
| 61 base::Bind(&ImageFetcherImpl::OnImageURLFetched, | 61 base::Unretained(this), image_url)); |
| 62 base::Unretained(this), image_url)); | |
| 63 } else { | 62 } else { |
| 64 // Request in progress. Register as an interested callback. | 63 // Request in progress. Register as an interested callback. |
| 65 it->second.callbacks.push_back(callback); | 64 it->second.callbacks.push_back(callback); |
| 66 } | 65 } |
| 67 } | 66 } |
| 68 | 67 |
| 69 void ImageFetcherImpl::OnImageURLFetched(const GURL& image_url, | 68 void ImageFetcherImpl::OnImageURLFetched(const GURL& image_url, |
| 70 const std::string& image_data, | 69 const std::string& image_data, |
| 71 const RequestMetadata& metadata) { | 70 const RequestMetadata& metadata) { |
| 72 // Inform the ImageFetcherDelegate. | 71 // Inform the ImageFetcherDelegate. |
| (...skipping 29 matching lines...) Expand all Loading... |
| 102 | 101 |
| 103 // Erase the completed ImageRequest. | 102 // Erase the completed ImageRequest. |
| 104 pending_net_requests_.erase(image_iter); | 103 pending_net_requests_.erase(image_iter); |
| 105 } | 104 } |
| 106 | 105 |
| 107 ImageDecoder* ImageFetcherImpl::GetImageDecoder() { | 106 ImageDecoder* ImageFetcherImpl::GetImageDecoder() { |
| 108 return image_decoder_.get(); | 107 return image_decoder_.get(); |
| 109 } | 108 } |
| 110 | 109 |
| 111 } // namespace image_fetcher | 110 } // namespace image_fetcher |
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