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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "webkit/glue/media/buffered_resource_loader.h" | 5 #include "webkit/glue/media/buffered_resource_loader.h" |
| 6 | 6 |
| 7 #include "base/format_macros.h" | 7 #include "base/format_macros.h" |
| 8 #include "base/string_util.h" | 8 #include "base/string_util.h" |
| 9 #include "net/base/net_errors.h" | 9 #include "net/base/net_errors.h" |
| 10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h" | 10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h" |
| 11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKitClient.h" | 11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebKitClient.h" |
| 12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h" | 12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h" |
| 13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLError.h" | 13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLError.h" |
| 14 #include "webkit/glue/multipart_response_delegate.h" | 14 #include "webkit/glue/multipart_response_delegate.h" |
| 15 #include "webkit/glue/webkit_glue.h" | 15 #include "webkit/glue/webkit_glue.h" |
| 16 | 16 |
| 17 using WebKit::WebFrame; | 17 using WebKit::WebFrame; |
| 18 using WebKit::WebString; | 18 using WebKit::WebString; |
| 19 using WebKit::WebURLError; | 19 using WebKit::WebURLError; |
| 20 using WebKit::WebURLLoader; | 20 using WebKit::WebURLLoader; |
| 21 using WebKit::WebURLRequest; | 21 using WebKit::WebURLRequest; |
| 22 using WebKit::WebURLResponse; | 22 using WebKit::WebURLResponse; |
| 23 using webkit_glue::MultipartResponseDelegate; | 23 using webkit_glue::MultipartResponseDelegate; |
| 24 | 24 |
| 25 namespace { | 25 namespace webkit_glue { |
| 26 | 26 |
| 27 const int kHttpOK = 200; | 27 static const int kHttpOK = 200; |
| 28 const int kHttpPartialContent = 206; | 28 static const int kHttpPartialContent = 206; |
| 29 | 29 |
| 30 // Define the number of bytes in a megabyte. | 30 // Define the number of bytes in a megabyte. |
| 31 const size_t kMegabyte = 1024 * 1024; | 31 static const size_t kMegabyte = 1024 * 1024; |
| 32 | 32 |
| 33 // Backward capacity of the buffer, by default 2MB. | 33 // Backward capacity of the buffer, by default 2MB. |
| 34 const size_t kBackwardCapcity = 2 * kMegabyte; | 34 static const size_t kBackwardCapcity = 2 * kMegabyte; |
| 35 | 35 |
| 36 // Forward capacity of the buffer, by default 10MB. | 36 // Forward capacity of the buffer, by default 10MB. |
| 37 const size_t kForwardCapacity = 10 * kMegabyte; | 37 static const size_t kForwardCapacity = 10 * kMegabyte; |
| 38 | 38 |
| 39 // The threshold of bytes that we should wait until the data arrives in the | 39 // The threshold of bytes that we should wait until the data arrives in the |
| 40 // future instead of restarting a new connection. This number is defined in the | 40 // future instead of restarting a new connection. This number is defined in the |
| 41 // number of bytes, we should determine this value from typical connection speed | 41 // number of bytes, we should determine this value from typical connection speed |
| 42 // and amount of time for a suitable wait. Now I just make a guess for this | 42 // and amount of time for a suitable wait. Now I just make a guess for this |
| 43 // number to be 2MB. | 43 // number to be 2MB. |
| 44 // TODO(hclam): determine a better value for this. | 44 // TODO(hclam): determine a better value for this. |
| 45 const int kForwardWaitThreshold = 2 * kMegabyte; | 45 static const int kForwardWaitThreshold = 2 * kMegabyte; |
| 46 | |
| 47 } // namespace | |
| 48 | |
| 49 namespace webkit_glue { | |
| 50 | 46 |
| 51 BufferedResourceLoader::BufferedResourceLoader( | 47 BufferedResourceLoader::BufferedResourceLoader( |
| 52 const GURL& url, | 48 const GURL& url, |
| 53 int64 first_byte_position, | 49 int64 first_byte_position, |
| 54 int64 last_byte_position) | 50 int64 last_byte_position) |
| 55 : buffer_(new media::SeekableBuffer(kBackwardCapcity, kForwardCapacity)), | 51 : buffer_(new media::SeekableBuffer(kBackwardCapcity, kForwardCapacity)), |
| 56 deferred_(false), | 52 deferred_(false), |
| 57 defer_allowed_(true), | 53 defer_allowed_(true), |
| 58 completed_(false), | 54 completed_(false), |
| 59 range_requested_(false), | 55 range_requested_(false), |
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| 577 start_callback_->RunWithParams(Tuple1<int>(error)); | 573 start_callback_->RunWithParams(Tuple1<int>(error)); |
| 578 start_callback_.reset(); | 574 start_callback_.reset(); |
| 579 } | 575 } |
| 580 | 576 |
| 581 void BufferedResourceLoader::NotifyNetworkEvent() { | 577 void BufferedResourceLoader::NotifyNetworkEvent() { |
| 582 if (event_callback_.get()) | 578 if (event_callback_.get()) |
| 583 event_callback_->Run(); | 579 event_callback_->Run(); |
| 584 } | 580 } |
| 585 | 581 |
| 586 } // namespace webkit_glue | 582 } // namespace webkit_glue |
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