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// Copyright (c) 2012 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.
#ifndef CHROME_BROWSER_INTENTS_WEB_INTENTS_REGISTRY_H_
#define CHROME_BROWSER_INTENTS_WEB_INTENTS_REGISTRY_H_
#include "base/callback_forward.h"
#include "base/hash_tables.h"
#include "base/memory/ref_counted.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile_keyed_service.h"
#include "chrome/browser/webdata/web_data_service.h"
#include "webkit/glue/web_intent_service_data.h"
struct DefaultWebIntentService;
namespace extensions {
class Extension;
}
namespace web_intents {
class NativeServiceRegistry;
}
// 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 ProfileKeyedService {
public:
typedef std::vector<webkit_glue::WebIntentServiceData> IntentServiceList;
typedef std::vector<DefaultWebIntentService> DefaultIntentServiceList;
// Callback used by callers to accept results of a query for
// a list of |WebIntentServiceData|.
typedef base::Callback<void(const IntentServiceList&)>
QueryCallback;
// Callback used by callers to accept results of a query for
// a list of |DefaultWebIntentService|.
typedef base::Callback<void(const DefaultIntentServiceList&)>
DefaultIntentServicesCallback;
// Callback used by callers to accept results of a query for
// a |DefaultWebIntentService|.
typedef base::Callback<void(const DefaultWebIntentService&)>
DefaultQueryCallback;
// Initializes, binds to a valid WebDataService.
void Initialize(scoped_refptr<WebDataService> wds,
ExtensionServiceInterface* extension_service);
// Registers a service.
virtual void RegisterIntentService(
const webkit_glue::WebIntentServiceData& service);
// Removes a service from the registry.
void UnregisterIntentService(
const webkit_glue::WebIntentServiceData& service);
// 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& type,
const QueryCallback& callback);
// Requests all services.
// |callback| must not be null.
void GetAllIntentServices(const QueryCallback& callback);
// Requests all default services.
// |callback| must not be null.
void GetAllDefaultIntentServices(
const DefaultIntentServicesCallback& callback);
// Tests for the existence of the given |service|. Calls the
// provided |callback| with true if it exists, false if it does not.
// Checks for |service| equality with ==.
// |callback| must not be null.
void IntentServiceExists(
const webkit_glue::WebIntentServiceData& service,
const base::Callback<void(bool)>& callback);
// Requests all extension services matching |action|, |type| and
// |extension_id|.
// |type| must conform to definition as outlined for GetIntentServices.
// |callback| must not be null.
void GetIntentServicesForExtensionFilter(const string16& action,
const string16& type,
const std::string& extension_id,
IntentServiceList* services);
// Record the given default service entry.
virtual void RegisterDefaultIntentService(
const DefaultWebIntentService& default_service);
// Delete the given default service entry. Deletes entries matching
// the |action|, |type|, and |url_pattern| of |default_service|.
virtual void UnregisterDefaultIntentService(
const DefaultWebIntentService& default_service);
// Delete all default service entries associated with |service_url|.
virtual void UnregisterServiceDefaults(const GURL& service_url);
// Requests the best default intent service for the given invocation
// parameters.
// |callback| must not be null.
void GetDefaultIntentService(const string16& action,
const string16& type,
const GURL& invoking_url,
const DefaultQueryCallback& callback);
protected:
// Make sure that only WebIntentsRegistryFactory can create an instance of
// WebIntentsRegistry.
friend class WebIntentsRegistryFactory;
friend class WebIntentsRegistryTest;
friend class WebIntentsModelTest;
FRIEND_TEST_ALL_PREFIXES(WebIntentsRegistryTest, CollapseIntents);
WebIntentsRegistry();
virtual ~WebIntentsRegistry();
// Collapses a list of IntentServices by joining intents that have identical
// service URLs, actions, and mime types.
// |services| is the list of intent services to be collapsed when passed in
// and will be modified with the new list in-place.
void CollapseIntents(IntentServiceList* services);
private:
struct QueryParams;
class QueryAdapter;
typedef std::vector<QueryAdapter*> QueryVector;
// Handles services loaded
void OnWebIntentsResultReceived(
const QueryParams& params,
const QueryCallback& callback,
const WDTypedResult* result);
// Handles default services loaded, supplying an unfiltered list
// to the callback.
void OnAllDefaultIntentServicesReceived(
const DefaultIntentServicesCallback& callback,
const WDTypedResult* result);
// Handles default services loaded
void OnWebIntentsDefaultsResultReceived(
const QueryParams& params,
const DefaultQueryCallback& callback,
const WDTypedResult* result);
const extensions::Extension* ExtensionForURL(const std::string& url);
// Adds a query to the list of pending queries.
void TrackQuery(QueryAdapter* query);
// Takes ownership of a query. This removes a query from the list
// of pending queries.
void ReleaseQuery(QueryAdapter* query);
// Map for all in-flight web data requests/intent queries.
QueryVector pending_queries_;
// Local reference to Web Data Service.
scoped_refptr<WebDataService> wds_;
// Local reference to the ExtensionService.
// Shutdown/cleanup is handled by ProfileImpl. We are guaranteed that any
// ProfileKeyedService will be shut down before data on ProfileImpl is
// destroyed (i.e. |extension_service_|), so |extension_service_| is valid
// for the lifetime of the WebIntentsRegistry object.
ExtensionServiceInterface* extension_service_;
// Registry used to obtain list of supported native services.
scoped_ptr<web_intents::NativeServiceRegistry> native_services_;
DISALLOW_COPY_AND_ASSIGN(WebIntentsRegistry);
};
#endif // CHROME_BROWSER_INTENTS_WEB_INTENTS_REGISTRY_H_
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