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