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(uint64 position,
  33                                               uint64 size) {
  34   DCHECK(next_handler_.get());
  35   return next_handler_->OnUploadProgress(position, size);
  36 }
  37
  38 bool LayeredResourceHandler::OnRequestRedirected(
  39     const net::RedirectInfo& redirect_info,
  40     ResourceResponse* response,
  41     bool* defer) {
  42   DCHECK(next_handler_.get());
  43   return next_handler_->OnRequestRedirected(redirect_info, response, defer);
  44 }
  45
  46 bool LayeredResourceHandler::OnResponseStarted(ResourceResponse* response,
  47                                                bool* defer) {
  48   DCHECK(next_handler_.get());
  49   return next_handler_->OnResponseStarted(response, defer);
  50 }
  51
  52 bool LayeredResourceHandler::OnWillStart(const GURL& url,
  53                                          bool* defer) {
  54   DCHECK(next_handler_.get());
  55   return next_handler_->OnWillStart(url, defer);
  56 }
  57
  58 bool LayeredResourceHandler::OnBeforeNetworkStart(const GURL& url,
  59                                                   bool* defer) {
  60   DCHECK(next_handler_.get());
  61   return next_handler_->OnBeforeNetworkStart(url, defer);
  62 }
  63
  64 bool LayeredResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
  65                                         int* buf_size,
  66                                         int min_size) {
  67   DCHECK(next_handler_.get());
  68   return next_handler_->OnWillRead(buf, buf_size, min_size);
  69 }
  70
  71 bool LayeredResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
  72   DCHECK(next_handler_.get());
  73   return next_handler_->OnReadCompleted(bytes_read, defer);
  74 }
  75
  76 void LayeredResourceHandler::OnResponseCompleted(
  77     const net::URLRequestStatus& status,
  78     const std::string& security_info,
  79     bool* defer) {
  80   DCHECK(next_handler_.get());
  81   next_handler_->OnResponseCompleted(status, security_info, defer);
  82 }
  83
  84 void LayeredResourceHandler::OnDataDownloaded(int bytes_downloaded) {
  85   DCHECK(next_handler_.get());
  86   next_handler_->OnDataDownloaded(bytes_downloaded);
  87 }
  88
  89 }  // namespace content