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     scoped_ptr<ResourceHandler> next_handler)
  13     : next_handler_(next_handler.Pass()) {
  14 }
  15
  16 LayeredResourceHandler::~LayeredResourceHandler() {
  17 }
  18
  19 void LayeredResourceHandler::SetController(ResourceController* controller) {
  20   ResourceHandler::SetController(controller);
  21
  22   // Pass the controller down to the next handler.  This method is intended to
  23   // be overriden by subclasses of LayeredResourceHandler that need to insert a
  24   // different ResourceController.
  25
  26   DCHECK(next_handler_.get());
  27   next_handler_->SetController(controller);
  28 }
  29
  30 bool LayeredResourceHandler::OnUploadProgress(int request_id, uint64 position,
  31                                               uint64 size) {
  32   DCHECK(next_handler_.get());
  33   return next_handler_->OnUploadProgress(request_id, position, size);
  34 }
  35
  36 bool LayeredResourceHandler::OnRequestRedirected(int request_id,
  37                                                  const GURL& url,
  38                                                  ResourceResponse* response,
  39                                                  bool* defer) {
  40   DCHECK(next_handler_.get());
  41   return next_handler_->OnRequestRedirected(request_id, url, response, defer);
  42 }
  43
  44 bool LayeredResourceHandler::OnResponseStarted(int request_id,
  45                                                ResourceResponse* response,
  46                                                bool* defer) {
  47   DCHECK(next_handler_.get());
  48   return next_handler_->OnResponseStarted(request_id, response, defer);
  49 }
  50
  51 bool LayeredResourceHandler::OnWillStart(int request_id, const GURL& url,
  52                                          bool* defer) {
  53   DCHECK(next_handler_.get());
  54   return next_handler_->OnWillStart(request_id, url, defer);
  55 }
  56
  57 bool LayeredResourceHandler::OnWillRead(int request_id, net::IOBuffer** buf,
  58                                         int* buf_size, int min_size) {
  59   DCHECK(next_handler_.get());
  60   return next_handler_->OnWillRead(request_id, buf, buf_size, min_size);
  61 }
  62
  63 bool LayeredResourceHandler::OnReadCompleted(int request_id, int bytes_read,
  64                                              bool* defer) {
  65   DCHECK(next_handler_.get());
  66   return next_handler_->OnReadCompleted(request_id, bytes_read, defer);
  67 }
  68
  69 bool LayeredResourceHandler::OnResponseCompleted(
  70     int request_id,
  71     const net::URLRequestStatus& status,
  72     const std::string& security_info) {
  73   DCHECK(next_handler_.get());
  74   return next_handler_->OnResponseCompleted(request_id, status, security_info);
  75 }
  76
  77 void LayeredResourceHandler::OnDataDownloaded(int request_id,
  78                                               int bytes_downloaded) {
  79   DCHECK(next_handler_.get());
  80   next_handler_->OnDataDownloaded(request_id, bytes_downloaded);
  81 }
  82
  83 }  // namespace content