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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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| 46 | 46 |
| 47 const char kAcceptHeader[] = "Accept"; | 47 const char kAcceptHeader[] = "Accept"; |
| 48 const char kFrameAcceptHeader[] = | 48 const char kFrameAcceptHeader[] = |
| 49 "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp," | 49 "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp," |
| 50 "image/apng,*/*;q=0.8"; | 50 "image/apng,*/*;q=0.8"; |
| 51 const char kStylesheetAcceptHeader[] = "text/css,*/*;q=0.1"; | 51 const char kStylesheetAcceptHeader[] = "text/css,*/*;q=0.1"; |
| 52 const char kImageAcceptHeader[] = "image/webp,image/apng,image/*,*/*;q=0.8"; | 52 const char kImageAcceptHeader[] = "image/webp,image/apng,image/*,*/*;q=0.8"; |
| 53 const char kDefaultAcceptHeader[] = "*/*"; | 53 const char kDefaultAcceptHeader[] = "*/*"; |
| 54 | 54 |
| 55 // Used to write into an existing IOBuffer at a given offset. | 55 // Used to write into an existing IOBuffer at a given offset. |
| 56 class DependentIOBuffer : public net::WrappedIOBuffer { | 56 class DependentIOBufferBar : public net::WrappedIOBuffer { |
| 57 public: | 57 public: |
| 58 DependentIOBuffer(net::IOBuffer* buf, int offset) | 58 DependentIOBufferBar(net::IOBuffer* buf, int offset) |
| 59 : net::WrappedIOBuffer(buf->data() + offset), buf_(buf) {} | 59 : net::WrappedIOBuffer(buf->data() + offset), buf_(buf) {} |
| 60 | 60 |
| 61 private: | 61 private: |
| 62 ~DependentIOBuffer() override {} | 62 ~DependentIOBufferBar() override {} |
| 63 | 63 |
| 64 scoped_refptr<net::IOBuffer> buf_; | 64 scoped_refptr<net::IOBuffer> buf_; |
| 65 }; | 65 }; |
| 66 | 66 |
| 67 } // namespace | 67 } // namespace |
| 68 | 68 |
| 69 class MimeSniffingResourceHandler::Controller : public ResourceController { | 69 class MimeSniffingResourceHandler::Controller : public ResourceController { |
| 70 public: | 70 public: |
| 71 explicit Controller(MimeSniffingResourceHandler* mime_handler) | 71 explicit Controller(MimeSniffingResourceHandler* mime_handler) |
| 72 : mime_handler_(mime_handler) {} | 72 : mime_handler_(mime_handler) {} |
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| 228 | 228 |
| 229 if (state_ == STATE_STREAMING) { | 229 if (state_ == STATE_STREAMING) { |
| 230 next_handler_->OnWillRead(buf, buf_size, std::move(controller)); | 230 next_handler_->OnWillRead(buf, buf_size, std::move(controller)); |
| 231 return; | 231 return; |
| 232 } | 232 } |
| 233 | 233 |
| 234 DCHECK_EQ(State::STATE_BUFFERING, state_); | 234 DCHECK_EQ(State::STATE_BUFFERING, state_); |
| 235 | 235 |
| 236 if (read_buffer_.get()) { | 236 if (read_buffer_.get()) { |
| 237 CHECK_LT(bytes_read_, read_buffer_size_); | 237 CHECK_LT(bytes_read_, read_buffer_size_); |
| 238 *buf = new DependentIOBuffer(read_buffer_.get(), bytes_read_); | 238 *buf = new DependentIOBufferBar(read_buffer_.get(), bytes_read_); |
| 239 *buf_size = read_buffer_size_ - bytes_read_; | 239 *buf_size = read_buffer_size_ - bytes_read_; |
| 240 controller->Resume(); | 240 controller->Resume(); |
| 241 return; | 241 return; |
| 242 } | 242 } |
| 243 | 243 |
| 244 DCHECK(!read_buffer_size_); | 244 DCHECK(!read_buffer_size_); |
| 245 | 245 |
| 246 parent_read_buffer_ = buf; | 246 parent_read_buffer_ = buf; |
| 247 parent_read_buffer_size_ = buf_size; | 247 parent_read_buffer_size_ = buf_size; |
| 248 | 248 |
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| 603 | 603 |
| 604 void MimeSniffingResourceHandler::OnPluginsLoaded( | 604 void MimeSniffingResourceHandler::OnPluginsLoaded( |
| 605 const std::vector<WebPluginInfo>& plugins) { | 605 const std::vector<WebPluginInfo>& plugins) { |
| 606 // No longer blocking on the plugins being loaded. | 606 // No longer blocking on the plugins being loaded. |
| 607 request()->LogUnblocked(); | 607 request()->LogUnblocked(); |
| 608 if (state_ == STATE_BUFFERING) | 608 if (state_ == STATE_BUFFERING) |
| 609 AdvanceState(); | 609 AdvanceState(); |
| 610 } | 610 } |
| 611 | 611 |
| 612 } // namespace content | 612 } // namespace content |
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