content/renderer/fetchers/web_url_loader_client_impl.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/renderer/fetchers/web_url_loader_client_impl.h"
   6
   7 #include "base/logging.h"
   8 #include "third_party/WebKit/public/platform/WebURLError.h"
   9 #include "third_party/WebKit/public/platform/WebURLLoader.h"
  10 #include "third_party/WebKit/public/platform/WebURLResponse.h"
  11
  12 namespace content {
  13
  14 WebURLLoaderClientImpl::WebURLLoaderClientImpl()
  15     : completed_(false)
  16     , status_(LOADING) {
  17 }
  18
  19 WebURLLoaderClientImpl::~WebURLLoaderClientImpl() {
  20 }
  21
  22 void WebURLLoaderClientImpl::didReceiveResponse(
  23     blink::WebURLLoader* loader, const blink::WebURLResponse& response) {
  24   DCHECK(!completed_);
  25   response_ = response;
  26 }
  27
  28 void WebURLLoaderClientImpl::didReceiveData(
  29     blink::WebURLLoader* loader,
  30     const char* data,
  31     int data_length,
  32     int encoded_data_length) {
  33   DCHECK(!completed_);
  34   DCHECK(data_length > 0);
  35
  36   data_.append(data, data_length);
  37 }
  38
  39 void WebURLLoaderClientImpl::didReceiveCachedMetadata(
  40     blink::WebURLLoader* loader,
  41     const char* data,
  42     int data_length) {
  43   DCHECK(!completed_);
  44   DCHECK(data_length > 0);
  45
  46   metadata_.assign(data, data_length);
  47 }
  48
  49 void WebURLLoaderClientImpl::didFinishLoading(
  50     blink::WebURLLoader* loader,
  51     double finishTime,
  52     int64_t total_encoded_data_length) {
  53   OnLoadCompleteInternal(LOAD_SUCCEEDED);
  54 }
  55
  56 void WebURLLoaderClientImpl::didFail(blink::WebURLLoader* loader,
  57                                      const blink::WebURLError& error) {
  58   OnLoadCompleteInternal(LOAD_FAILED);
  59 }
  60
  61 void WebURLLoaderClientImpl::Cancel() {
  62   OnLoadCompleteInternal(LOAD_FAILED);
  63 }
  64
  65 void WebURLLoaderClientImpl::OnLoadCompleteInternal(LoadStatus status) {
  66   DCHECK(!completed_);
  67   DCHECK(status_ == LOADING);
  68
  69   completed_ = true;
  70   status_ = status;
  71
  72   OnLoadComplete();
  73 }
  74
  75 }  // namespace content