content/browser/loader/layered_resource_handler.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/loader/layered_resource_handler.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace content {
  10
  11 LayeredResourceHandler::LayeredResourceHandler(
  12     net::URLRequest* request,
  13     scoped_ptr<ResourceHandler> next_handler)
  14     : ResourceHandler(request),
  15       next_handler_(next_handler.Pass()) {
  16 }
  17
  18 LayeredResourceHandler::~LayeredResourceHandler() {
  19 }
  20
  21 void LayeredResourceHandler::SetController(ResourceController* controller) {
  22   ResourceHandler::SetController(controller);
  23
  24   // Pass the controller down to the next handler.  This method is intended to
  25   // be overriden by subclasses of LayeredResourceHandler that need to insert a
  26   // different ResourceController.
  27
  28   DCHECK(next_handler_.get());
  29   next_handler_->SetController(controller);
  30 }
  31
  32 bool LayeredResourceHandler::OnUploadProgress(int request_id, uint64 position,
  33                                               uint64 size) {
  34   DCHECK(next_handler_.get());
  35   return next_handler_->OnUploadProgress(request_id, position, size);
  36 }
  37
  38 bool LayeredResourceHandler::OnRequestRedirected(int request_id,
  39                                                  const GURL& url,
  40                                                  ResourceResponse* response,
  41                                                  bool* defer) {
  42   DCHECK(next_handler_.get());
  43   return next_handler_->OnRequestRedirected(request_id, url, response, defer);
  44 }
  45
  46 bool LayeredResourceHandler::OnResponseStarted(int request_id,
  47                                                ResourceResponse* response,
  48                                                bool* defer) {
  49   DCHECK(next_handler_.get());
  50   return next_handler_->OnResponseStarted(request_id, response, defer);
  51 }
  52
  53 bool LayeredResourceHandler::OnWillStart(int request_id, const GURL& url,
  54                                          bool* defer) {
  55   DCHECK(next_handler_.get());
  56   return next_handler_->OnWillStart(request_id, url, defer);
  57 }
  58
  59 bool LayeredResourceHandler::OnBeforeNetworkStart(int request_id,
  60                                                   const GURL& url,
  61                                                   bool* defer) {
  62   DCHECK(next_handler_.get());
  63   return next_handler_->OnBeforeNetworkStart(request_id, url, defer);
  64 }
  65
  66 bool LayeredResourceHandler::OnWillRead(int request_id,
  67                                         scoped_refptr<net::IOBuffer>* buf,
  68                                         int* buf_size,
  69                                         int min_size) {
  70   DCHECK(next_handler_.get());
  71   return next_handler_->OnWillRead(request_id, buf, buf_size, min_size);
  72 }
  73
  74 bool LayeredResourceHandler::OnReadCompleted(int request_id, int bytes_read,
  75                                              bool* defer) {
  76   DCHECK(next_handler_.get());
  77   return next_handler_->OnReadCompleted(request_id, bytes_read, defer);
  78 }
  79
  80 void LayeredResourceHandler::OnResponseCompleted(
  81     int request_id,
  82     const net::URLRequestStatus& status,
  83     const std::string& security_info,
  84     bool* defer) {
  85   DCHECK(next_handler_.get());
  86   next_handler_->OnResponseCompleted(request_id, status, security_info, defer);
  87 }
  88
  89 void LayeredResourceHandler::OnDataDownloaded(int request_id,
  90                                               int bytes_downloaded) {
  91   DCHECK(next_handler_.get());
  92   next_handler_->OnDataDownloaded(request_id, bytes_downloaded);
  93 }
  94
  95 }  // namespace content