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::OnRequestRedirected(
  33     const net::RedirectInfo& redirect_info,
  34     ResourceResponse* response,
  35     bool* defer) {
  36   DCHECK(next_handler_.get());
  37   return next_handler_->OnRequestRedirected(redirect_info, response, defer);
  38 }
  39
  40 bool LayeredResourceHandler::OnResponseStarted(ResourceResponse* response,
  41                                                bool* defer) {
  42   DCHECK(next_handler_.get());
  43   return next_handler_->OnResponseStarted(response, defer);
  44 }
  45
  46 bool LayeredResourceHandler::OnWillStart(const GURL& url,
  47                                          bool* defer) {
  48   DCHECK(next_handler_.get());
  49   return next_handler_->OnWillStart(url, defer);
  50 }
  51
  52 bool LayeredResourceHandler::OnBeforeNetworkStart(const GURL& url,
  53                                                   bool* defer) {
  54   DCHECK(next_handler_.get());
  55   return next_handler_->OnBeforeNetworkStart(url, defer);
  56 }
  57
  58 bool LayeredResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
  59                                         int* buf_size,
  60                                         int min_size) {
  61   DCHECK(next_handler_.get());
  62   return next_handler_->OnWillRead(buf, buf_size, min_size);
  63 }
  64
  65 bool LayeredResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
  66   DCHECK(next_handler_.get());
  67   return next_handler_->OnReadCompleted(bytes_read, defer);
  68 }
  69
  70 void LayeredResourceHandler::OnResponseCompleted(
  71     const net::URLRequestStatus& status,
  72     const std::string& security_info,
  73     bool* defer) {
  74   DCHECK(next_handler_.get());
  75   next_handler_->OnResponseCompleted(status, security_info, defer);
  76 }
  77
  78 void LayeredResourceHandler::OnDataDownloaded(int bytes_downloaded) {
  79   DCHECK(next_handler_.get());
  80   next_handler_->OnDataDownloaded(bytes_downloaded);
  81 }
  82
  83 }  // namespace content