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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "content/browser/loader/mime_sniffing_resource_handler.h" | 5 #include "content/browser/loader/mime_sniffing_resource_handler.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
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| 47 | 47 |
| 48 const char kAcceptHeader[] = "Accept"; | 48 const char kAcceptHeader[] = "Accept"; |
| 49 const char kFrameAcceptHeader[] = | 49 const char kFrameAcceptHeader[] = |
| 50 "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp," | 50 "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp," |
| 51 "image/apng,*/*;q=0.8"; | 51 "image/apng,*/*;q=0.8"; |
| 52 const char kStylesheetAcceptHeader[] = "text/css,*/*;q=0.1"; | 52 const char kStylesheetAcceptHeader[] = "text/css,*/*;q=0.1"; |
| 53 const char kImageAcceptHeader[] = "image/webp,image/apng,image/*,*/*;q=0.8"; | 53 const char kImageAcceptHeader[] = "image/webp,image/apng,image/*,*/*;q=0.8"; |
| 54 const char kDefaultAcceptHeader[] = "*/*"; | 54 const char kDefaultAcceptHeader[] = "*/*"; |
| 55 | 55 |
| 56 // Used to write into an existing IOBuffer at a given offset. | 56 // Used to write into an existing IOBuffer at a given offset. |
| 57 class DependentIOBuffer : public net::WrappedIOBuffer { | 57 class DependentIOBufferBar : public net::WrappedIOBuffer { |
| 58 public: | 58 public: |
| 59 DependentIOBuffer(net::IOBuffer* buf, int offset) | 59 DependentIOBufferBar(net::IOBuffer* buf, int offset) |
| 60 : net::WrappedIOBuffer(buf->data() + offset), buf_(buf) {} | 60 : net::WrappedIOBuffer(buf->data() + offset), buf_(buf) {} |
| 61 | 61 |
| 62 private: | 62 private: |
| 63 ~DependentIOBuffer() override {} | 63 ~DependentIOBufferBar() override {} |
| 64 | 64 |
| 65 scoped_refptr<net::IOBuffer> buf_; | 65 scoped_refptr<net::IOBuffer> buf_; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 } // namespace | 68 } // namespace |
| 69 | 69 |
| 70 class MimeSniffingResourceHandler::Controller : public ResourceController { | 70 class MimeSniffingResourceHandler::Controller : public ResourceController { |
| 71 public: | 71 public: |
| 72 explicit Controller(MimeSniffingResourceHandler* mime_handler) | 72 explicit Controller(MimeSniffingResourceHandler* mime_handler) |
| 73 : mime_handler_(mime_handler) {} | 73 : mime_handler_(mime_handler) {} |
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| 226 | 226 |
| 227 if (state_ == STATE_STREAMING) { | 227 if (state_ == STATE_STREAMING) { |
| 228 next_handler_->OnWillRead(buf, buf_size, std::move(controller)); | 228 next_handler_->OnWillRead(buf, buf_size, std::move(controller)); |
| 229 return; | 229 return; |
| 230 } | 230 } |
| 231 | 231 |
| 232 DCHECK_EQ(State::STATE_BUFFERING, state_); | 232 DCHECK_EQ(State::STATE_BUFFERING, state_); |
| 233 | 233 |
| 234 if (read_buffer_.get()) { | 234 if (read_buffer_.get()) { |
| 235 CHECK_LT(bytes_read_, read_buffer_size_); | 235 CHECK_LT(bytes_read_, read_buffer_size_); |
| 236 *buf = new DependentIOBuffer(read_buffer_.get(), bytes_read_); | 236 *buf = new DependentIOBufferBar(read_buffer_.get(), bytes_read_); |
| 237 *buf_size = read_buffer_size_ - bytes_read_; | 237 *buf_size = read_buffer_size_ - bytes_read_; |
| 238 controller->Resume(); | 238 controller->Resume(); |
| 239 return; | 239 return; |
| 240 } | 240 } |
| 241 | 241 |
| 242 DCHECK(!read_buffer_size_); | 242 DCHECK(!read_buffer_size_); |
| 243 | 243 |
| 244 parent_read_buffer_ = buf; | 244 parent_read_buffer_ = buf; |
| 245 parent_read_buffer_size_ = buf_size; | 245 parent_read_buffer_size_ = buf_size; |
| 246 | 246 |
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| 573 | 573 |
| 574 void MimeSniffingResourceHandler::OnPluginsLoaded( | 574 void MimeSniffingResourceHandler::OnPluginsLoaded( |
| 575 const std::vector<WebPluginInfo>& plugins) { | 575 const std::vector<WebPluginInfo>& plugins) { |
| 576 // No longer blocking on the plugins being loaded. | 576 // No longer blocking on the plugins being loaded. |
| 577 request()->LogUnblocked(); | 577 request()->LogUnblocked(); |
| 578 if (state_ == STATE_BUFFERING) | 578 if (state_ == STATE_BUFFERING) |
| 579 AdvanceState(); | 579 AdvanceState(); |
| 580 } | 580 } |
| 581 | 581 |
| 582 } // namespace content | 582 } // namespace content |
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