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| 1 // Copyright 2016 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/url_loader_factory_impl.h" |
| 6 |
| 7 #include <memory> |
| 8 |
| 9 #include "base/memory/ptr_util.h" |
| 10 #include "base/memory/weak_ptr.h" |
| 11 #include "content/browser/loader/resource_dispatcher_host_impl.h" |
| 12 #include "content/browser/loader/resource_message_filter.h" |
| 13 #include "content/common/resource_messages.h" |
| 14 #include "content/common/url_loader.mojom.h" |
| 15 #include "content/common/url_loader_factory.mojom.h" |
| 16 #include "content/common/url_loader_type_converters.h" |
| 17 |
| 18 namespace content { |
| 19 |
| 20 namespace { |
| 21 |
| 22 class URLLoaderImpl final : public mojom::URLLoader { |
| 23 public: |
| 24 static void Create(scoped_refptr<ResourceMessageFilter> filter, |
| 25 mojom::URLLoaderRequest request) { |
| 26 int child_id = filter->child_id(); |
| 27 ResourceDispatcherHostImpl::Get()->AddUninitiatedURLLoader( |
| 28 child_id, |
| 29 base::WrapUnique(new URLLoaderImpl(filter.get(), std::move(request)))); |
| 30 } |
| 31 |
| 32 ~URLLoaderImpl() override {} |
| 33 |
| 34 void Load(mojom::URLRequestPtr request, |
| 35 mojom::URLLoaderClientPtr client) override { |
| 36 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 37 |
| 38 ResourceMessageFilter* filter = resource_message_filter_.get(); |
| 39 if (!filter) { |
| 40 // TODO(yhirano): Cancel the request. |
| 41 return; |
| 42 } |
| 43 |
| 44 request_id_ = request->request_id; |
| 45 routing_id_ = request->routing_id; |
| 46 |
| 47 std::unique_ptr<mojom::URLLoader> that = |
| 48 ResourceDispatcherHostImpl::Get()->TakeUninitiatedURLLoader(this); |
| 49 DCHECK(that); |
| 50 |
| 51 ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get(); |
| 52 rdh->SetMojoLoaderAndClientrForNextLoadRequest(std::move(that), |
| 53 std::move(client)); |
| 54 rdh->OnMessageReceived( |
| 55 ResourceHostMsg_RequestResource(routing_id_, request_id_, |
| 56 request->To<ResourceHostMsg_Request>()), |
| 57 filter); |
| 58 } |
| 59 void FollowRedirect() override {} |
| 60 void Cancel() override {} |
| 61 |
| 62 private: |
| 63 URLLoaderImpl(ResourceMessageFilter* filter, |
| 64 mojo::InterfaceRequest<mojom::URLLoader> request) |
| 65 : resource_message_filter_(filter->GetWeakPtr()), |
| 66 binding_(this, std::move(request)) {} |
| 67 |
| 68 base::WeakPtr<ResourceMessageFilter> resource_message_filter_; |
| 69 int32_t request_id_ = -1; |
| 70 int32_t routing_id_ = -1; |
| 71 mojo::Binding<mojom::URLLoader> binding_; |
| 72 }; |
| 73 |
| 74 } // namespace |
| 75 |
| 76 URLLoaderFactoryImpl::URLLoaderFactoryImpl( |
| 77 scoped_refptr<ResourceMessageFilter> resource_message_filter, |
| 78 mojo::InterfaceRequest<mojom::URLLoaderFactory> request) |
| 79 : resource_message_filter_(resource_message_filter), |
| 80 binding_(this, std::move(request)) {} |
| 81 |
| 82 URLLoaderFactoryImpl::~URLLoaderFactoryImpl() { |
| 83 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 84 } |
| 85 |
| 86 void URLLoaderFactoryImpl::CreateURLLoader(mojom::URLLoaderRequest request) { |
| 87 BrowserThread::PostTask( |
| 88 BrowserThread::IO, FROM_HERE, |
| 89 base::Bind(&URLLoaderImpl::Create, resource_message_filter_, |
| 90 base::Passed(std::move(request)))); |
| 91 } |
| 92 |
| 93 } // namespace content |
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