text: // Copyright 2013 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CHROME_BROWSER_APPS_CHROME_APPS_CLIENT_H_
  #define CHROME_BROWSER_APPS_CHROME_APPS_CLIENT_H_
  
  #include "apps/apps_client.h"
  #include "base/basictypes.h"
  #include "base/compiler_specific.h"
  
  template<typename T> struct DefaultSingletonTraits;
  
  // The implementation of AppsClient for Chrome.
  class ChromeAppsClient : public apps::AppsClient {
   public:
    ChromeAppsClient();
    virtual ~ChromeAppsClient();
  
    // Get the LazyInstance for ChromeAppsClient.
    static ChromeAppsClient* GetInstance();
  
   private:
    friend struct DefaultSingletonTraits<ChromeAppsClient>;
  
    // apps::AppsClient
    virtual std::vector<content::BrowserContext*> GetLoadedBrowserContexts()
        OVERRIDE;
  
    // Do any pre app launch checks. Returns true if the app launch should proceed
    // or false if the launch should be prevented.
    virtual bool CheckAppLaunch(content::BrowserContext* context,
                                const extensions::Extension* extension) OVERRIDE;
  
    DISALLOW_COPY_AND_ASSIGN(ChromeAppsClient);
  };
  
  #endif  // CHROME_BROWSER_APPS_CHROME_APPS_CLIENT_H_
  