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      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 EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CLIENT_H_
      6 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CLIENT_H_
      7 
      8 #include "base/callback_forward.h"
      9 #include "extensions/browser/app_window/app_window.h"
     10 
     11 namespace content {
     12 class BrowserContext;
     13 class WebContents;
     14 }
     15 
     16 namespace extensions {
     17 
     18 class Extension;
     19 class NativeAppWindow;
     20 
     21 // Sets up global state for the app window system. Should be Set() once in each
     22 // process. This should be implemented by the client of the app window system.
     23 // TODO(hashimoto): Move some functions to ExtensionsClient.
     24 class AppWindowClient {
     25  public:
     26   virtual ~AppWindowClient() {}
     27 
     28   // Creates a new AppWindow for the app in |extension| for |context|.
     29   // Caller takes ownership.
     30   virtual AppWindow* CreateAppWindow(content::BrowserContext* context,
     31                                      const Extension* extension) = 0;
     32 
     33   // Creates a new extensions::NativeAppWindow for |window|.
     34   virtual NativeAppWindow* CreateNativeAppWindow(
     35       AppWindow* window,
     36       const AppWindow::CreateParams& params) = 0;
     37 
     38   // Opens DevTools window and runs the callback.
     39   virtual void OpenDevToolsWindow(content::WebContents* web_contents,
     40                                   const base::Closure& callback) = 0;
     41 
     42   // Returns true if the current channel is older than dev.
     43   virtual bool IsCurrentChannelOlderThanDev() = 0;
     44 
     45   // Return the app window client.
     46   static AppWindowClient* Get();
     47 
     48   // Initialize the app window system with this app window client.
     49   static void Set(AppWindowClient* client);
     50 };
     51 
     52 }  // namespace extensions
     53 
     54 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CLIENT_H_
     55