mojo/shell/package_manager.h

   1 // Copyright 2015 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 MOJO_SHELL_PACKAGE_MANAGER_H_
   6 #define MOJO_SHELL_PACKAGE_MANAGER_H_
   7
   8 #include "mojo/services/network/public/interfaces/url_loader.mojom.h"
   9 #include "mojo/shell/fetcher.h"
  10
  11 class GURL;
  12
  13 namespace mojo {
  14 namespace shell {
  15
  16 class ApplicationManager;
  17
  18 // A class implementing this interface assists Shell::ConnectToApplication in
  19 // fetching the applications located therein.
  20 class PackageManager {
  21  public:
  22   PackageManager() {}
  23   virtual ~PackageManager() {}
  24
  25   // Called once, during initialization, to tell the package manager about the
  26   // associated ApplicationManager.
  27   virtual void SetApplicationManager(ApplicationManager* manager) = 0;
  28
  29   // Asks the delegate to fetch the specified url.
  30   // TODO(beng): figure out how not to expose Fetcher at all at this layer.
  31   virtual void FetchRequest(
  32       URLRequestPtr request,
  33       const Fetcher::FetchCallback& loader_callback) = 0;
  34
  35   // Determine if a content handler should handle the response received by
  36   // |fetcher|.
  37   // |url| is the url requested initially by a call to ConnectToApplication().
  38   // |task_runner| is a base::TaskRunner* that can be used to post callbacks.
  39   // |new_response| is the response that should be passed to
  40   // ContentHandler::StartApplication(), unchanged if the return value is false.
  41   // |content_handler_url| is the url of the content handler application to
  42   // run, unchanged if the return value is false.
  43   // |qualifier| is the Identity qualifier that the content handler application
  44   // instance should be associated with, unchanged if the return value is false.
  45   virtual bool HandleWithContentHandler(Fetcher* fetcher,
  46                                         const GURL& url,
  47                                         base::TaskRunner* task_runner,
  48                                         URLResponsePtr* new_response,
  49                                         GURL* content_handler_url,
  50                                         std::string* qualifier) = 0;
  51 };
  52
  53 }  // namespace shell
  54 }  // namespace mojo
  55
  56 #endif  // MOJO_SHELL_PACKAGE_MANAGER_H_