content/test/weburl_loader_mock.cc

   1 // Copyright 2013 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/test/weburl_loader_mock.h"
   6
   7 #include "base/logging.h"
   8 #include "content/test/weburl_loader_mock_factory.h"
   9 #include "third_party/WebKit/public/platform/WebData.h"
  10 #include "third_party/WebKit/public/platform/WebURLError.h"
  11 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
  12
  13 WebURLLoaderMock::WebURLLoaderMock(WebURLLoaderMockFactory* factory,
  14                                    blink::WebURLLoader* default_loader)
  15     : factory_(factory),
  16       client_(NULL),
  17       default_loader_(default_loader),
  18       using_default_loader_(false),
  19       is_deferred_(false),
  20       this_deleted_(NULL) {
  21 }
  22
  23 WebURLLoaderMock::~WebURLLoaderMock() {
  24   // When |this_deleted_| is not null, there is someone interested to know if
  25   // |this| got deleted. We notify them by setting the pointed value to true.
  26   if (this_deleted_)
  27     *this_deleted_ = true;
  28 }
  29
  30 void WebURLLoaderMock::ServeAsynchronousRequest(
  31     const blink::WebURLResponse& response,
  32     const blink::WebData& data,
  33     const blink::WebURLError& error) {
  34   DCHECK(!using_default_loader_);
  35   if (!client_)
  36     return;
  37
  38   bool this_deleted = false;
  39   this_deleted_ = &this_deleted;
  40   client_->didReceiveResponse(this, response);
  41
  42   // didReceiveResponse might end up getting ::cancel() to be called which will
  43   // make the ResourceLoader to delete |this|. If that happens, |this_deleted|,
  44   // created on the stack, will be set to true.
  45   if (this_deleted)
  46     return;
  47   this_deleted_ = NULL;
  48
  49   if (error.reason) {
  50     client_->didFail(this, error);
  51     return;
  52   }
  53   client_->didReceiveData(this, data.data(), data.size(), data.size());
  54   client_->didFinishLoading(this, 0, data.size());
  55 }
  56
  57 blink::WebURLRequest WebURLLoaderMock::ServeRedirect(
  58     const blink::WebURLResponse& redirectResponse) {
  59   blink::WebURLRequest newRequest;
  60   newRequest.initialize();
  61   newRequest.setRequestContext(blink::WebURLRequest::RequestContextInternal);
  62   GURL redirectURL(redirectResponse.httpHeaderField("Location"));
  63   newRequest.setURL(redirectURL);
  64   client_->willSendRequest(this, newRequest, redirectResponse);
  65   return newRequest;
  66 }
  67
  68 void WebURLLoaderMock::loadSynchronously(const blink::WebURLRequest& request,
  69                                          blink::WebURLResponse& response,
  70                                          blink::WebURLError& error,
  71                                          blink::WebData& data) {
  72   if (factory_->IsMockedURL(request.url())) {
  73     factory_->LoadSynchronously(request, &response, &error, &data);
  74     return;
  75   }
  76   DCHECK(static_cast<const GURL&>(request.url()).SchemeIs("data"))
  77       << "loadSynchronously shouldn't be falling back: "
  78       << request.url().spec().data();
  79   using_default_loader_ = true;
  80   default_loader_->loadSynchronously(request, response, error, data);
  81 }
  82
  83 void WebURLLoaderMock::loadAsynchronously(const blink::WebURLRequest& request,
  84                                           blink::WebURLLoaderClient* client) {
  85   if (factory_->IsMockedURL(request.url())) {
  86     client_ = client;
  87     factory_->LoadAsynchronouly(request, this);
  88     return;
  89   }
  90   DCHECK(static_cast<const GURL&>(request.url()).SchemeIs("data"))
  91       << "loadAsynchronously shouldn't be falling back: "
  92       << request.url().spec().data();
  93   using_default_loader_ = true;
  94   default_loader_->loadAsynchronously(request, client);
  95 }
  96
  97 void WebURLLoaderMock::cancel() {
  98   if (using_default_loader_) {
  99     default_loader_->cancel();
 100     return;
 101   }
 102   client_ = NULL;
 103   factory_->CancelLoad(this);
 104 }
 105
 106 void WebURLLoaderMock::setDefersLoading(bool deferred) {
 107   is_deferred_ = deferred;
 108   if (using_default_loader_) {
 109     default_loader_->setDefersLoading(deferred);
 110     return;
 111   }
 112   NOTIMPLEMENTED();
 113 }