1 // Copyright 2013 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 APPS_APPS_CLIENT_H_ 6 #define APPS_APPS_CLIENT_H_ 7 8 #include <vector> 9 10 namespace content { 11 class BrowserContext; 12 } 13 14 namespace extensions { 15 class Extension; 16 } 17 18 namespace apps { 19 20 class AppWindow; 21 22 // Sets up global state for the apps system. Should be Set() once in each 23 // process. This should be implemented by the client of the apps system. 24 class AppsClient { 25 public: 26 // Get all loaded browser contexts. 27 virtual std::vector<content::BrowserContext*> GetLoadedBrowserContexts() = 0; 28 29 // Creates a new apps::AppWindow for the app in |extension| for |context|. 30 // Caller takes ownership. 31 virtual AppWindow* CreateAppWindow( 32 content::BrowserContext* context, 33 const extensions::Extension* extension) = 0; 34 35 // A positive keep-alive count is a request for the embedding application to 36 // keep running after all windows are closed. The count starts at zero. 37 virtual void IncrementKeepAliveCount() = 0; 38 virtual void DecrementKeepAliveCount() = 0; 39 40 // Return the apps client. 41 static AppsClient* Get(); 42 43 // Initialize the apps system with this apps client. 44 static void Set(AppsClient* client); 45 }; 46 47 } // namespace apps 48 49 #endif // APPS_APPS_CLIENT_H_ 50