Use IntentsQuery as the WDS consumer. By unencumbering WebIntentsRegistry of...

Use IntentsQuery as the WDS consumer. By unencumbering WebIntentsRegistry of this responsibility we'll be able to more easily accommodate new request types.

BUG=137907
TEST=WebIntentsRegistryTest.*


Review URL: https://chromiumcodereview.appspot.com/10827056

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148714 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/intents/web_intents_registry.h

@@ -21,9 +21,7 @@ class Extension;
 
 // Handles storing and retrieving of web intents services in the web database.
 // The registry provides filtering logic to retrieve specific types of services.
-class WebIntentsRegistry
-    : public WebDataServiceConsumer,
-      public ProfileKeyedService {
+class WebIntentsRegistry : public ProfileKeyedService {
  public:
   typedef std::vector<webkit_glue::WebIntentServiceData> IntentServiceList;
 
@@ -47,11 +45,11 @@ class WebIntentsRegistry
   void UnregisterIntentService(
       const webkit_glue::WebIntentServiceData& service);
 
-  // Requests all services matching |action| and |mimetype|.
-  // |mimetype| can contain wildcards, i.e. "image/*" or "*".
+  // Requests all services matching |action| and |type|.
+  // |type| can contain wildcards, i.e. "image/*" or "*".
   // |callback| must not be null.
   void GetIntentServices(const string16& action,
-                         const string16& mimetype,
+                         const string16& type,
                          const QueryCallback& callback);
 
   // Requests all services.
@@ -66,14 +64,14 @@ class WebIntentsRegistry
       const webkit_glue::WebIntentServiceData& service,
       const base::Callback<void(bool)>& callback);
 
-  // Requests all extension services matching |action|, |mimetype| and
+  // Requests all extension services matching |action|, |type| and
   // |extension_id|.
-  // |mimetype| must conform to definition as outlined for GetIntentServices.
+  // |type| must conform to definition as outlined for GetIntentServices.
   // |callback| must not be null.
   void GetIntentServicesForExtensionFilter(const string16& action,
-                                              const string16& mimetype,
-                                              const std::string& extension_id,
-                                              const QueryCallback& callback);
+                                           const string16& type,
+                                           const std::string& extension_id,
+                                           const QueryCallback& callback);
 
   // Record the given default service entry.
   virtual void RegisterDefaultIntentService(
@@ -88,9 +86,9 @@ class WebIntentsRegistry
   // parameters.
   // |callback| must not be null.
   void GetDefaultIntentService(const string16& action,
-                                  const string16& type,
-                                  const GURL& invoking_url,
-                                  const DefaultQueryCallback& callback);
+                               const string16& type,
+                               const GURL& invoking_url,
+                               const DefaultQueryCallback& callback);
 
  protected:
   // Make sure that only WebIntentsRegistryFactory can create an instance of
@@ -110,30 +108,34 @@ class WebIntentsRegistry
   void CollapseIntents(IntentServiceList* services);
 
  private:
-   const extensions::Extension* ExtensionForURL(const std::string& url);
+  struct IntentsQuery;
+  typedef std::vector<IntentsQuery*> QueryVector;
 
-   struct IntentsQuery;
-
-  // Maps web data requests to intents queries.
-  // Allows OnWebDataServiceRequestDone to forward to appropriate consumer.
-  typedef base::hash_map<WebDataService::Handle, IntentsQuery*> QueryMap;
-
-  // WebDataServiceConsumer implementation.
-  virtual void OnWebDataServiceRequestDone(
-      WebDataService::Handle h,
-      const WDTypedResult* result) OVERRIDE;
+  // Handles services loaded
+  void OnWebIntentsResultReceived(
+      IntentsQuery* query,
+      const WDTypedResult* result);
 
-  // Delegate for defaults requests from OnWebDataServiceRequestDone.
-  virtual void OnWebDataServiceDefaultsRequestDone(
-      WebDataService::Handle h,
+  // Handles default services loaded
+  void OnWebIntentsDefaultsResultReceived(
+      IntentsQuery* query,
       const WDTypedResult* result);
 
   // Implementation of GetIntentServicesForExtensionFilter.
   void DoGetIntentServicesForExtensionFilter(scoped_ptr<IntentsQuery> query,
                                              const std::string& extension_id);
 
+  const extensions::Extension* ExtensionForURL(const std::string& url);
+
+  // Adds a query to the list of pending queries.
+  void TrackQuery(IntentsQuery* query);
+
+  // Takes ownership of a query. This removes a query from the list
+  // of pending queries.
+  void ReleaseQuery(IntentsQuery* query);
+
   // Map for all in-flight web data requests/intent queries.
-  QueryMap queries_;
+  QueryVector pending_queries_;
 
   // Local reference to Web Data Service.
   scoped_refptr<WebDataService> wds_;