apps/apps_client.h

   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_