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Unified Diff: content/renderer/presentation/presentation_connection_proxy.cc

Issue 2471263003: [Presentation API] (4th)(1-UA blink side) Add WebPresentationConnection and WebPresentationConnecti… (Closed)
Patch Set: resolve code review comments from mlamouri Created 3 years, 11 months ago
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Index: content/renderer/presentation/presentation_connection_proxy.cc
diff --git a/content/renderer/presentation/presentation_connection_proxy.cc b/content/renderer/presentation/presentation_connection_proxy.cc
new file mode 100644
index 0000000000000000000000000000000000000000..93129afef855d4fab5d80a16c58154e39ca614e5
--- /dev/null
+++ b/content/renderer/presentation/presentation_connection_proxy.cc
@@ -0,0 +1,114 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/renderer/presentation/presentation_connection_proxy.h"
+
+#include "base/logging.h"
+#include "content/renderer/presentation/presentation_dispatcher.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationConnection.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationController.h"
+#include "third_party/WebKit/public/platform/modules/presentation/WebPresentationSessionInfo.h"
+
+namespace content {
+
+PresentationConnectionProxy::PresentationConnectionProxy(
+ blink::WebPresentationConnection* source_connection)
+ : binding_(this),
+ target_connection_ptr_(nullptr),
+ source_connection_(source_connection) {
+ DCHECK(source_connection_);
+}
+
+PresentationConnectionProxy::~PresentationConnectionProxy() = default;
+
+void PresentationConnectionProxy::SendConnectionMessage(
+ blink::mojom::ConnectionMessagePtr connection_message,
+ const OnMessageCallback& callback) const {
+ DCHECK(target_connection_ptr_);
+ target_connection_ptr_->OnMessage(std::move(connection_message), callback);
+}
+
+void PresentationConnectionProxy::OnMessage(
+ blink::mojom::ConnectionMessagePtr message,
+ const OnMessageCallback& callback) {
+ DCHECK(!callback.is_null());
+
+ switch (message->type) {
+ case blink::mojom::PresentationMessageType::TEXT: {
+ DCHECK(message->message);
+ source_connection_->didReceiveTextMessage(
+ blink::WebString::fromUTF8(message->message.value()));
+ break;
+ }
+ case blink::mojom::PresentationMessageType::BINARY: {
+ DCHECK(message->data);
+ source_connection_->didReceiveBinaryMessage(&(message->data->front()),
+ message->data->size());
+ break;
+ }
+ default: {
+ callback.Run(false);
+ NOTREACHED();
+ return;
+ }
+ }
+
+ callback.Run(true);
+}
+
+// TODO(crbug.com/588874): Ensure legal PresentationConnection state transitions
+// in a single place.
+void PresentationConnectionProxy::DidChangeState(
+ blink::mojom::PresentationConnectionState state) {
+ if (state != blink::mojom::PresentationConnectionState::CONNECTED) {
+ // |DidChangeState| should only handle state transition from connecting ->
+ // connected. PresentationService and MRP handles other state transitions.
+ NOTREACHED();
+ return;
+ }
+
+ source_connection_->didChangeState(
+ blink::WebPresentationConnectionState::Connected);
+}
+
+ControllerConnectionProxy::ControllerConnectionProxy(
+ blink::WebPresentationConnection* controller_connection)
+ : PresentationConnectionProxy(controller_connection) {}
+
+ControllerConnectionProxy::~ControllerConnectionProxy() = default;
+
+blink::mojom::PresentationConnectionPtr ControllerConnectionProxy::Bind() {
+ return binding_.CreateInterfacePtrAndBind();
+}
+
+blink::mojom::PresentationConnectionRequest
+ControllerConnectionProxy::MakeRemoteRequest() {
+ DCHECK(!target_connection_ptr_)
+ << "target_connection_ptr_ should only be bound once.";
+ return mojo::MakeRequest(&target_connection_ptr_);
+}
+
+ReceiverConnectionProxy::ReceiverConnectionProxy(
+ blink::WebPresentationConnection* receiver_connection)
+ : PresentationConnectionProxy(receiver_connection) {}
+
+ReceiverConnectionProxy::~ReceiverConnectionProxy() = default;
+
+void ReceiverConnectionProxy::Bind(
+ blink::mojom::PresentationConnectionRequest receiver_connection_request) {
+ binding_.Bind(std::move(receiver_connection_request));
+}
+
+void ReceiverConnectionProxy::BindControllerConnection(
+ blink::mojom::PresentationConnectionPtr controller_connection_ptr) {
+ DCHECK(!target_connection_ptr_);
+ target_connection_ptr_ = std::move(controller_connection_ptr);
+ target_connection_ptr_->DidChangeState(
+ blink::mojom::PresentationConnectionState::CONNECTED);
+
+ DidChangeState(blink::mojom::PresentationConnectionState::CONNECTED);
+}
+
+} // namespace content

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