chrome.mdns API

chrome/browser/extensions/api/dial/dial_api.h

Index: chrome/browser/extensions/api/dial/dial_api.h
diff --git a/chrome/browser/extensions/api/dial/dial_api.h b/chrome/browser/extensions/api/dial/dial_api.h
index 74e284ee6370b433d3788f2d841e6bad55d2ee52..d6f8327e5722369d3632257605ace80b29bb8134 100644
--- a/chrome/browser/extensions/api/dial/dial_api.h
+++ b/chrome/browser/extensions/api/dial/dial_api.h
@@ -10,6 +10,7 @@
 #include "chrome/browser/extensions/api/api_function.h"
 #include "chrome/browser/extensions/api/dial/dial_device_data.h"
 #include "chrome/browser/extensions/api/dial/dial_registry.h"
+#include "chrome/browser/extensions/api/dial/mdns_service.h"
 #include "chrome/browser/extensions/event_router.h"
 #include "components/browser_context_keyed_service/refcounted_browser_context_keyed_service.h"
 
@@ -30,6 +31,7 @@ class DialAPI : public RefcountedBrowserContextKeyedService,
   // The DialRegistry for the API. This must always be used only from the IO
   // thread.
   DialRegistry* dial_registry();
+  MDNSService* mdns_service();
 
   // Called by the DialRegistry on the IO thread so that the DialAPI dispatches
   // the event to listeners on the UI thread.
@@ -60,6 +62,7 @@ class DialAPI : public RefcountedBrowserContextKeyedService,
 
   // Created lazily on first access on the IO thread.
   scoped_ptr<DialRegistry> dial_registry_;
+  scoped_ptr<MDNSService> mdns_service_;
 
   DISALLOW_COPY_AND_ASSIGN(DialAPI);
 };
@@ -96,6 +99,36 @@ class DialDiscoverNowFunction : public AsyncApiFunction {
   DISALLOW_COPY_AND_ASSIGN(DialDiscoverNowFunction);
 };
 
+// DiscoverNow function. This function needs a round-trip from the IO thread
+// because it needs to grab a pointer to the DIAL API in order to get a
+// reference to the DialRegistry while on the IO thread. Then, the result
+// must be returned on the UI thread.
+class DialGetNetworkServicesFunction : public AsyncApiFunction {
+ public:
+  DialGetNetworkServicesFunction();
+
+ protected:
+  virtual ~DialGetNetworkServicesFunction() {}
+
+  // AsyncApiFunction:
+  virtual bool Prepare() OVERRIDE;
+  virtual void Work() OVERRIDE;
+  virtual bool Respond() OVERRIDE;
+
+ private:
+  DECLARE_EXTENSION_FUNCTION("dial.getNetworkServices", DIAL_GETNETWORKSERVICES)
+
+  // Pointer to the DIAL API for this profile. We get this on the UI thread.
+  DialAPI* dial_;
+
+  // Result of the discoverNow call to the DIAL registry. This result is
+  // retrieved on the IO thread but the function result is returned on the UI
+  // thread.
+  bool result_;
+
+  DISALLOW_COPY_AND_ASSIGN(DialGetNetworkServicesFunction);
+};
+
 }  // namespace api
 
 }  // namespace extensions