Media Remoting: Add mojo interfaces between browser and extension.

chrome/browser/media/router/mojo/media_router_mojo_impl.cc

 // Copyright 2015 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 "chrome/browser/media/router/mojo/media_router_mojo_impl.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 10 matching lines @@
 #include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/media/router/media_routes_observer.h"
 #include "chrome/browser/media/router/media_sinks_observer.h"
 #include "chrome/browser/media/router/mojo/media_route_controller.h"
 #include "chrome/browser/media/router/mojo/media_route_provider_util_win.h"
 #include "chrome/browser/media/router/mojo/media_router_mojo_metrics.h"
 #include "chrome/browser/media/router/route_message_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/common/media_router/media_source_helper.h"
+#include "chrome/common/media_router/mojo/media_router.mojom.h"
 #include "chrome/common/media_router/route_message.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/process_manager.h"
 
 #define DVLOG_WITH_INSTANCE(level) \
   DVLOG(level) << "MR #" << instance_id_ << ": "
 
 #define DLOG_WITH_INSTANCE(level) DLOG(level) << "MR #" << instance_id_ << ": "
 
 namespace media_router {
@@ skipping 1082 matching lines @@
 }
 
 void MediaRouterMojoImpl::OnMediaControllerCreated(
     const MediaRoute::Id& route_id,
     bool success) {
   DVLOG_WITH_INSTANCE(1) << "OnMediaControllerCreated: " << route_id
                          << (success ? " was successful." : " failed.");
   MediaRouterMojoMetrics::RecordMediaRouteControllerCreationResult(success);
 }
 
+void MediaRouterMojoImpl::RegisterRemotingSource(

[imcheng, 2017/06/22 01:13:27]

It seems this logic could actually go into MediaRouterBase.

[xjz, 2017/06/23 19:02:41]

Done.

+    int32_t tab_id,
+    CastRemotingConnector* remoting_source) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+  DVLOG_WITH_INSTANCE(1) << "RegisterRemotingSource " << tab_id;
+
+  auto it = remoting_sources_.find(tab_id);
+  if (it != remoting_sources_.end()) {
+    DCHECK(remoting_source == it->second);
+    return;
+  }
+  remoting_sources_.emplace(tab_id, std::move(remoting_source));
+}
+
+void MediaRouterMojoImpl::UnRegisterRemotingSource(
+    int32_t tab_id,
+    CastRemotingConnector* remoting_source) {

[imcheng, 2017/06/22 01:13:27]

I'm not sure if you need to pass in remoting_source -- it's only used for
DCHECK.

[xjz, 2017/06/23 19:02:41]

Removed.

+  auto it = remoting_sources_.find(tab_id);
+  DCHECK(it != remoting_sources_.end());
+  DCHECK(it->second == remoting_source);
+  remoting_sources_.erase(it);
+}
+
+void MediaRouterMojoImpl::OnMediaRemoterCreated(
+    int32_t tab_id,
+    media::mojom::MirrorServiceRemoterPtr remoter,
+    media::mojom::MirrorServiceRemotingSourceRequest source_request) {
+  DVLOG_WITH_INSTANCE(1) << __func__ << ": tab_id = " << tab_id;
+
+  auto it = remoting_sources_.find(tab_id);
+  if (it == remoting_sources_.end()) {
+    LOG(WARNING) << __func__
+                 << ": No registered remoting source for tab_id = " << tab_id;
+    return;
+  }
+
+  CastRemotingConnector* connector = it->second;
+  connector->ConnectToService(std::move(source_request), std::move(remoter));
+}
+
 }  // namespace media_router