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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/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" |
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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) { | |
43 desired_image_frame_size_ = size; | |
44 } | |
42 void ImageFetcherImpl::StartOrQueueNetworkRequest( | 45 void ImageFetcherImpl::StartOrQueueNetworkRequest( |
Marc Treib
2017/03/01 09:17:26
nit: empty line before
tschumann
2017/03/01 09:37:43
Done.
| |
43 const std::string& id, | 46 const std::string& id, |
44 const GURL& image_url, | 47 const GURL& image_url, |
45 base::Callback<void(const std::string&, const gfx::Image&)> callback) { | 48 base::Callback<void(const std::string&, const gfx::Image&)> callback) { |
46 // Before starting to fetch the image. Look for a request in progress for | 49 // Before starting to fetch the image. Look for a request in progress for |
47 // |image_url|, and queue if appropriate. | 50 // |image_url|, and queue if appropriate. |
48 ImageRequestMap::iterator it = pending_net_requests_.find(image_url); | 51 ImageRequestMap::iterator it = pending_net_requests_.find(image_url); |
49 if (it == pending_net_requests_.end()) { | 52 if (it == pending_net_requests_.end()) { |
50 ImageRequest request; | 53 ImageRequest request; |
51 request.id = id; | 54 request.id = id; |
52 request.callbacks.push_back(callback); | 55 request.callbacks.push_back(callback); |
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65 void ImageFetcherImpl::OnImageURLFetched(const GURL& image_url, | 68 void ImageFetcherImpl::OnImageURLFetched(const GURL& image_url, |
66 const std::string& image_data) { | 69 const std::string& image_data) { |
67 // Inform the ImageFetcherDelegate. | 70 // Inform the ImageFetcherDelegate. |
68 if (delegate_) { | 71 if (delegate_) { |
69 auto it = pending_net_requests_.find(image_url); | 72 auto it = pending_net_requests_.find(image_url); |
70 DCHECK(it != pending_net_requests_.end()); | 73 DCHECK(it != pending_net_requests_.end()); |
71 delegate_->OnImageDataFetched(it->second.id, image_data); | 74 delegate_->OnImageDataFetched(it->second.id, image_data); |
72 } | 75 } |
73 | 76 |
74 image_decoder_->DecodeImage( | 77 image_decoder_->DecodeImage( |
75 image_data, | 78 image_data, desired_image_frame_size_, |
76 base::Bind(&ImageFetcherImpl::OnImageDecoded, | 79 base::Bind(&ImageFetcherImpl::OnImageDecoded, |
77 base::Unretained(this), image_url)); | 80 base::Unretained(this), image_url)); |
78 } | 81 } |
79 | 82 |
80 void ImageFetcherImpl::OnImageDecoded(const GURL& image_url, | 83 void ImageFetcherImpl::OnImageDecoded(const GURL& image_url, |
81 const gfx::Image& image) { | 84 const gfx::Image& image) { |
82 // Get request for the given image_url from the request queue. | 85 // Get request for the given image_url from the request queue. |
83 ImageRequestMap::iterator image_iter = pending_net_requests_.find(image_url); | 86 ImageRequestMap::iterator image_iter = pending_net_requests_.find(image_url); |
84 DCHECK(image_iter != pending_net_requests_.end()); | 87 DCHECK(image_iter != pending_net_requests_.end()); |
85 ImageRequest* request = &image_iter->second; | 88 ImageRequest* request = &image_iter->second; |
86 | 89 |
87 // Run all callbacks | 90 // Run all callbacks |
88 for (const auto& callback : request->callbacks) { | 91 for (const auto& callback : request->callbacks) { |
89 callback.Run(request->id, image); | 92 callback.Run(request->id, image); |
90 } | 93 } |
91 | 94 |
92 // Inform the ImageFetcherDelegate. | 95 // Inform the ImageFetcherDelegate. |
93 if (delegate_) { | 96 if (delegate_) { |
94 delegate_->OnImageFetched(request->id, image); | 97 delegate_->OnImageFetched(request->id, image); |
95 } | 98 } |
96 | 99 |
97 // Erase the completed ImageRequest. | 100 // Erase the completed ImageRequest. |
98 pending_net_requests_.erase(image_iter); | 101 pending_net_requests_.erase(image_iter); |
99 } | 102 } |
100 | 103 |
101 } // namespace image_fetcher | 104 } // namespace image_fetcher |
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