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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 // An implementation of WebURLLoader in terms of ResourceLoaderBridge. | 5 // An implementation of WebURLLoader in terms of ResourceLoaderBridge. |
6 | 6 |
7 #include "content/child/web_url_loader_impl.h" | 7 #include "content/child/web_url_loader_impl.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <deque> | 10 #include <deque> |
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347 scoped_ptr<FtpDirectoryListingResponseDelegate> ftp_listing_delegate_; | 347 scoped_ptr<FtpDirectoryListingResponseDelegate> ftp_listing_delegate_; |
348 scoped_ptr<MultipartResponseDelegate> multipart_delegate_; | 348 scoped_ptr<MultipartResponseDelegate> multipart_delegate_; |
349 scoped_ptr<ResourceLoaderBridge> completed_bridge_; | 349 scoped_ptr<ResourceLoaderBridge> completed_bridge_; |
350 scoped_ptr<StreamOverrideParameters> stream_override_; | 350 scoped_ptr<StreamOverrideParameters> stream_override_; |
351 mojo::ScopedDataPipeProducerHandle body_stream_writer_; | 351 mojo::ScopedDataPipeProducerHandle body_stream_writer_; |
352 mojo::common::HandleWatcher body_stream_writer_watcher_; | 352 mojo::common::HandleWatcher body_stream_writer_watcher_; |
353 // TODO(yhirano): Delete this buffer after implementing the back-pressure | 353 // TODO(yhirano): Delete this buffer after implementing the back-pressure |
354 // mechanism. | 354 // mechanism. |
355 std::deque<char> body_stream_buffer_; | 355 std::deque<char> body_stream_buffer_; |
356 bool got_all_stream_body_data_; | 356 bool got_all_stream_body_data_; |
357 enum {NO_DEFER, DEFERS, DEFERED_DATA} defers_loading_; | |
davidben
2014/11/18 21:02:29
Nit: I ended up pausing a bit to check whether we
jochen (gone - plz use gerrit)
2014/11/19 08:54:06
it also doesn't look clang-formatted.
João Eiras
2014/11/21 15:25:31
Done. (I did find deferring and deferred_data to s
| |
357 }; | 358 }; |
358 | 359 |
359 WebURLLoaderImpl::Context::Context( | 360 WebURLLoaderImpl::Context::Context( |
360 WebURLLoaderImpl* loader, | 361 WebURLLoaderImpl* loader, |
361 ResourceDispatcher* resource_dispatcher, | 362 ResourceDispatcher* resource_dispatcher, |
362 scoped_refptr<base::SingleThreadTaskRunner> task_runner) | 363 scoped_refptr<base::SingleThreadTaskRunner> task_runner) |
363 : loader_(loader), | 364 : loader_(loader), |
364 client_(NULL), | 365 client_(NULL), |
365 resource_dispatcher_(resource_dispatcher), | 366 resource_dispatcher_(resource_dispatcher), |
366 task_runner_(task_runner), | 367 task_runner_(task_runner), |
367 referrer_policy_(blink::WebReferrerPolicyDefault), | 368 referrer_policy_(blink::WebReferrerPolicyDefault), |
368 got_all_stream_body_data_(false) { | 369 got_all_stream_body_data_(false), |
370 defers_loading_(NO_DEFER) { | |
369 } | 371 } |
370 | 372 |
371 void WebURLLoaderImpl::Context::Cancel() { | 373 void WebURLLoaderImpl::Context::Cancel() { |
372 if (bridge_) { | 374 if (bridge_) { |
373 bridge_->Cancel(); | 375 bridge_->Cancel(); |
374 bridge_.reset(); | 376 bridge_.reset(); |
375 } | 377 } |
376 | 378 |
377 // Ensure that we do not notify the multipart delegate anymore as it has | 379 // Ensure that we do not notify the multipart delegate anymore as it has |
378 // its own pointer to the client. | 380 // its own pointer to the client. |
379 if (multipart_delegate_) | 381 if (multipart_delegate_) |
380 multipart_delegate_->Cancel(); | 382 multipart_delegate_->Cancel(); |
381 // Ditto for the ftp delegate. | 383 // Ditto for the ftp delegate. |
382 if (ftp_listing_delegate_) | 384 if (ftp_listing_delegate_) |
383 ftp_listing_delegate_->Cancel(); | 385 ftp_listing_delegate_->Cancel(); |
384 | 386 |
385 // Do not make any further calls to the client. | 387 // Do not make any further calls to the client. |
386 client_ = NULL; | 388 client_ = NULL; |
387 loader_ = NULL; | 389 loader_ = NULL; |
388 } | 390 } |
389 | 391 |
390 void WebURLLoaderImpl::Context::SetDefersLoading(bool value) { | 392 void WebURLLoaderImpl::Context::SetDefersLoading(bool value) { |
391 if (bridge_) | 393 if (bridge_) |
392 bridge_->SetDefersLoading(value); | 394 bridge_->SetDefersLoading(value); |
395 | |
396 if (value) { | |
397 DCHECK_EQ(defers_loading_, NO_DEFER); | |
davidben
2014/11/18 21:02:29
Nit: I'd do DCHECK_EQ(NO_DEFER, defers_loading_) t
João Eiras
2014/11/21 15:25:31
done
| |
398 defers_loading_ = DEFERS; | |
399 } else { | |
400 DCHECK_NE(defers_loading_, NO_DEFER); | |
401 if (defers_loading_ == DEFERED_DATA) | |
davidben
2014/11/18 21:02:29
Nit: curly braces since the body is multiple lines
João Eiras
2014/11/21 15:25:31
done
| |
402 base::MessageLoop::current()->PostTask( | |
davidben
2014/11/18 21:02:29
I believe base::MessageLoop::current() should be t
João Eiras
2014/11/21 15:25:31
done
| |
403 FROM_HERE, base::Bind(&Context::HandleDataURL, this)); | |
404 defers_loading_ = NO_DEFER; | |
405 } | |
393 } | 406 } |
394 | 407 |
395 void WebURLLoaderImpl::Context::DidChangePriority( | 408 void WebURLLoaderImpl::Context::DidChangePriority( |
396 WebURLRequest::Priority new_priority, int intra_priority_value) { | 409 WebURLRequest::Priority new_priority, int intra_priority_value) { |
397 if (bridge_) | 410 if (bridge_) |
398 bridge_->DidChangePriority( | 411 bridge_->DidChangePriority( |
399 ConvertWebKitPriorityToNetPriority(new_priority), intra_priority_value); | 412 ConvertWebKitPriorityToNetPriority(new_priority), intra_priority_value); |
400 } | 413 } |
401 | 414 |
402 bool WebURLLoaderImpl::Context::AttachThreadedDataReceiver( | 415 bool WebURLLoaderImpl::Context::AttachThreadedDataReceiver( |
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829 | 842 |
830 std::string mime_type, unused_charset; | 843 std::string mime_type, unused_charset; |
831 if (net::DataURL::Parse(request_.url(), &mime_type, &unused_charset, NULL) && | 844 if (net::DataURL::Parse(request_.url(), &mime_type, &unused_charset, NULL) && |
832 net::IsSupportedMimeType(mime_type)) | 845 net::IsSupportedMimeType(mime_type)) |
833 return true; | 846 return true; |
834 | 847 |
835 return false; | 848 return false; |
836 } | 849 } |
837 | 850 |
838 void WebURLLoaderImpl::Context::HandleDataURL() { | 851 void WebURLLoaderImpl::Context::HandleDataURL() { |
852 if (defers_loading_ != NO_DEFER) { | |
jochen (gone - plz use gerrit)
2014/11/19 08:54:06
deferes_loading_ should be "DEFERS" if it's != NO_
João Eiras
2014/11/21 15:25:31
It should. Added an assert.
| |
853 defers_loading_ = DEFERED_DATA; | |
854 return; | |
855 } | |
856 | |
839 ResourceResponseInfo info; | 857 ResourceResponseInfo info; |
840 std::string data; | 858 std::string data; |
841 | 859 |
842 int error_code = GetInfoFromDataURL(request_.url(), &info, &data); | 860 int error_code = GetInfoFromDataURL(request_.url(), &info, &data); |
843 | 861 |
844 if (error_code == net::OK) { | 862 if (error_code == net::OK) { |
845 OnReceivedResponse(info); | 863 OnReceivedResponse(info); |
846 if (!data.empty()) | 864 if (!data.empty()) |
847 OnReceivedData(data.data(), data.size(), 0); | 865 OnReceivedData(data.data(), data.size(), 0); |
848 } | 866 } |
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1154 int intra_priority_value) { | 1172 int intra_priority_value) { |
1155 context_->DidChangePriority(new_priority, intra_priority_value); | 1173 context_->DidChangePriority(new_priority, intra_priority_value); |
1156 } | 1174 } |
1157 | 1175 |
1158 bool WebURLLoaderImpl::attachThreadedDataReceiver( | 1176 bool WebURLLoaderImpl::attachThreadedDataReceiver( |
1159 blink::WebThreadedDataReceiver* threaded_data_receiver) { | 1177 blink::WebThreadedDataReceiver* threaded_data_receiver) { |
1160 return context_->AttachThreadedDataReceiver(threaded_data_receiver); | 1178 return context_->AttachThreadedDataReceiver(threaded_data_receiver); |
1161 } | 1179 } |
1162 | 1180 |
1163 } // namespace content | 1181 } // namespace content |
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