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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 "chrome/browser/renderer_host/async_resource_handler.h" | 5 #include "chrome/browser/renderer_host/async_resource_handler.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/process.h" | 8 #include "base/process.h" |
9 #include "base/shared_memory.h" | 9 #include "base/shared_memory.h" |
| 10 #include "chrome/browser/net/chrome_url_request_context.h" |
| 11 #include "chrome/browser/renderer_host/resource_dispatcher_host_request_info.h" |
10 #include "chrome/common/render_messages.h" | 12 #include "chrome/common/render_messages.h" |
11 #include "net/base/io_buffer.h" | 13 #include "net/base/io_buffer.h" |
12 | 14 |
13 namespace { | 15 namespace { |
14 | 16 |
15 // When reading, we don't know if we are going to get EOF (0 bytes read), so | 17 // When reading, we don't know if we are going to get EOF (0 bytes read), so |
16 // we typically have a buffer that we allocated but did not use. We keep | 18 // we typically have a buffer that we allocated but did not use. We keep |
17 // this buffer around for the next read as a small optimization. | 19 // this buffer around for the next read as a small optimization. |
18 SharedIOBuffer* g_spare_read_buffer = NULL; | 20 SharedIOBuffer* g_spare_read_buffer = NULL; |
19 | 21 |
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90 const GURL& new_url, | 92 const GURL& new_url, |
91 ResourceResponse* response, | 93 ResourceResponse* response, |
92 bool* defer) { | 94 bool* defer) { |
93 *defer = true; | 95 *defer = true; |
94 return receiver_->Send(new ViewMsg_Resource_ReceivedRedirect( | 96 return receiver_->Send(new ViewMsg_Resource_ReceivedRedirect( |
95 routing_id_, request_id, new_url, response->response_head)); | 97 routing_id_, request_id, new_url, response->response_head)); |
96 } | 98 } |
97 | 99 |
98 bool AsyncResourceHandler::OnResponseStarted(int request_id, | 100 bool AsyncResourceHandler::OnResponseStarted(int request_id, |
99 ResourceResponse* response) { | 101 ResourceResponse* response) { |
| 102 // For changes to the main frame, inform the renderer of the new URL's zoom |
| 103 // level before the request actually commits. This way the renderer will be |
| 104 // able to set the zoom level precisely at the time the request commits, |
| 105 // avoiding the possibility of zooming the old content or of having to layout |
| 106 // the new content twice. |
| 107 URLRequest* request = rdh_->GetURLRequest( |
| 108 ResourceDispatcherHost::GlobalRequestID(process_id_, request_id)); |
| 109 ResourceDispatcherHostRequestInfo* info = rdh_->InfoForRequest(request); |
| 110 if (info->resource_type() == ResourceType::MAIN_FRAME) { |
| 111 std::string host(request->url().host()); |
| 112 ChromeURLRequestContext* context = |
| 113 static_cast<ChromeURLRequestContext*>(request->context()); |
| 114 if (!host.empty() && context) { |
| 115 receiver_->Send(new ViewMsg_SetZoomLevelForLoadingHost(info->route_id(), |
| 116 host, context->host_zoom_map()->GetZoomLevel(host))); |
| 117 } |
| 118 } |
| 119 |
100 receiver_->Send(new ViewMsg_Resource_ReceivedResponse( | 120 receiver_->Send(new ViewMsg_Resource_ReceivedResponse( |
101 routing_id_, request_id, response->response_head)); | 121 routing_id_, request_id, response->response_head)); |
102 return true; | 122 return true; |
103 } | 123 } |
104 | 124 |
105 bool AsyncResourceHandler::OnWillRead(int request_id, net::IOBuffer** buf, | 125 bool AsyncResourceHandler::OnWillRead(int request_id, net::IOBuffer** buf, |
106 int* buf_size, int min_size) { | 126 int* buf_size, int min_size) { |
107 DCHECK(min_size == -1); | 127 DCHECK(min_size == -1); |
108 | 128 |
109 if (g_spare_read_buffer) { | 129 if (g_spare_read_buffer) { |
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189 | 209 |
190 // static | 210 // static |
191 void AsyncResourceHandler::GlobalCleanup() { | 211 void AsyncResourceHandler::GlobalCleanup() { |
192 if (g_spare_read_buffer) { | 212 if (g_spare_read_buffer) { |
193 // Avoid the CHECK in SharedIOBuffer::~SharedIOBuffer(). | 213 // Avoid the CHECK in SharedIOBuffer::~SharedIOBuffer(). |
194 SharedIOBuffer* tmp = g_spare_read_buffer; | 214 SharedIOBuffer* tmp = g_spare_read_buffer; |
195 g_spare_read_buffer = NULL; | 215 g_spare_read_buffer = NULL; |
196 tmp->Release(); | 216 tmp->Release(); |
197 } | 217 } |
198 } | 218 } |
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