apps/ui/apps_client.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 APPS_UI_APPS_CLIENT_H_
   6 #define APPS_UI_APPS_CLIENT_H_
   7
   8 #include <vector>
   9
  10 #include "apps/app_window.h"
  11 #include "base/callback_forward.h"
  12
  13 namespace content {
  14 class BrowserContext;
  15 class WebContents;
  16 }
  17
  18 namespace extensions {
  19 class Extension;
  20 class NativeAppWindow;
  21 }
  22
  23 namespace apps {
  24
  25 // Sets up global state for the apps system. Should be Set() once in each
  26 // process. This should be implemented by the client of the apps system.
  27 class AppsClient {
  28  public:
  29   // Get all loaded browser contexts.
  30   virtual std::vector<content::BrowserContext*> GetLoadedBrowserContexts() = 0;
  31
  32   // Creates a new apps::AppWindow for the app in |extension| for |context|.
  33   // Caller takes ownership.
  34   virtual AppWindow* CreateAppWindow(
  35       content::BrowserContext* context,
  36       const extensions::Extension* extension) = 0;
  37
  38   // Creates a new extensions::NativeAppWindow for |window|.
  39   virtual extensions::NativeAppWindow* CreateNativeAppWindow(
  40       AppWindow* window,
  41       const AppWindow::CreateParams& params) = 0;
  42
  43   // A positive keep-alive count is a request for the embedding application to
  44   // keep running after all windows are closed. The count starts at zero.
  45   virtual void IncrementKeepAliveCount() = 0;
  46   virtual void DecrementKeepAliveCount() = 0;
  47
  48   // Opens DevTools window and runs the callback.
  49   virtual void OpenDevToolsWindow(content::WebContents* web_contents,
  50                                   const base::Closure& callback) = 0;
  51
  52   // Returns true if the current channel is older than dev.
  53   virtual bool IsCurrentChannelOlderThanDev() = 0;
  54
  55   // Return the apps client.
  56   static AppsClient* Get();
  57
  58   // Initialize the apps system with this apps client.
  59   static void Set(AppsClient* client);
  60 };
  61
  62 }  // namespace apps
  63
  64 #endif  // APPS_UI_APPS_CLIENT_H_