1 // Copyright 2017 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 "third_party/blink/renderer/modules/document_metadata/document_metadata_server.h"
6 
7 #include <memory>
8 #include <utility>
9 
10 #include "mojo/public/cpp/bindings/self_owned_receiver.h"
11 #include "third_party/blink/renderer/core/frame/local_frame.h"
12 #include "third_party/blink/renderer/modules/document_metadata/document_metadata_extractor.h"
13 
14 namespace blink {
15 
DocumentMetadataServer(LocalFrame & frame)16 DocumentMetadataServer::DocumentMetadataServer(LocalFrame& frame)
17     : frame_(frame) {}
18 
BindMojoReceiver(LocalFrame * frame,mojo::PendingReceiver<mojom::blink::DocumentMetadata> receiver)19 void DocumentMetadataServer::BindMojoReceiver(
20     LocalFrame* frame,
21     mojo::PendingReceiver<mojom::blink::DocumentMetadata> receiver) {
22   DCHECK(frame);
23 
24   // TODO(wychen): remove BindMojoReceiver pattern, and make this a service
25   // associated with frame lifetime.
26   mojo::MakeSelfOwnedReceiver(std::make_unique<DocumentMetadataServer>(*frame),
27                               std::move(receiver));
28 }
29 
GetEntities(GetEntitiesCallback callback)30 void DocumentMetadataServer::GetEntities(GetEntitiesCallback callback) {
31   if (!frame_ || !frame_->GetDocument()) {
32     std::move(callback).Run(nullptr);
33     return;
34   }
35   std::move(callback).Run(
36       DocumentMetadataExtractor::Extract(*frame_->GetDocument()));
37 }
38 
39 }  // namespace blink
40