athena/extensions/public/extensions_delegate.h

   1 // Copyright 2014 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 ATHENA_EXTENSIONS_PUBLIC_EXTENSIONS_DELEGATE_H_
   6 #define ATHENA_EXTENSIONS_PUBLIC_EXTENSIONS_DELEGATE_H_
   7
   8 #include <string>
   9
  10 #include "athena/athena_export.h"
  11
  12 namespace content {
  13 class BrowserContext;
  14 class WebContents;
  15 }
  16
  17 namespace extensions {
  18 class ExtensionSet;
  19 }
  20
  21 namespace athena {
  22
  23 // A delegate interface to extension implentation.
  24 class ATHENA_EXPORT ExtensionsDelegate {
  25  public:
  26   static ExtensionsDelegate* Get(content::BrowserContext* context);
  27
  28   // Creates the extension delegate for app shell environment.
  29   static void CreateExtensionsDelegateForShell(
  30       content::BrowserContext* context);
  31
  32   // Creates the extension delegate for test environment.
  33   static void CreateExtensionsDelegateForTest();
  34
  35   // Deletes the singleton instance. This must be called in the reverse
  36   // order of the initialization.
  37   static void Shutdown();
  38
  39   ExtensionsDelegate();
  40   virtual ~ExtensionsDelegate();
  41
  42   virtual content::BrowserContext* GetBrowserContext() const = 0;
  43
  44   // Returns the set of extensions that are currently installed.
  45   virtual const extensions::ExtensionSet& GetInstalledExtensions() = 0;
  46
  47   // Starts an application. Returns true if the application was
  48   // successfully started.
  49   virtual bool LaunchApp(const std::string& app_id) = 0;
  50
  51   // Unload an application. Returns true if the application was
  52   // successfully unloaded.
  53   virtual bool UnloadApp(const std::string& app_id) = 0;
  54 };
  55
  56 }  // namespace athena
  57
  58 #endif  // ATHENA_EXTENSIONS_PUBLIC_EXTENSIONS_DELEGATE_H_