chrome/browser/chromeos/launcher_search_provider/service.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_SERVICE_H_
   6 #define CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_SERVICE_H_
   7
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "components/keyed_service/core/keyed_service.h"
  10 #include "content/public/browser/browser_context.h"
  11 #include "extensions/browser/event_router.h"
  12 #include "extensions/common/extension.h"
  13
  14 namespace chromeos {
  15 namespace launcher_search_provider {
  16
  17 // Manages listener extensions and routes events. Listener extensions are
  18 // extensions which are allowed to use this API. When this API becomes public,
  19 // this API is white listed for file manager, and opt-in for other extensions.
  20 // This service provides access control for it.
  21 //
  22 // TODO(yawano): Implement opt-in control (crbug.com/440649).
  23 class Service : public KeyedService {
  24  public:
  25   Service(Profile* profile, extensions::ExtensionRegistry* extension_registry);
  26   ~Service() override;
  27   static Service* Get(content::BrowserContext* context);
  28
  29   // Dispatches onQueryStarted events to listener extensions.
  30   void OnQueryStarted(const std::string& query, const int max_result);
  31
  32   // Dispatches onQueryEnded events to listener extensions.
  33   void OnQueryEnded();
  34
  35   // Returns true if there is a running query.
  36   bool IsQueryRunning() const;
  37
  38  private:
  39   // Returns extension ids of listener extensions.
  40   std::set<extensions::ExtensionId> GetListenerExtensionIds();
  41
  42   Profile* const profile_;
  43   extensions::ExtensionRegistry* extension_registry_;
  44   uint32 query_id_;
  45   bool is_query_running_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(Service);
  48 };
  49
  50 }  // namespace launcher_search_provider
  51 }  // namespace chromeos
  52
  53 #endif  // CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_SERVICE_H_