src/mojo/tools/package_manager/package_fetcher.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 MOJO_TOOLS_PACKAGE_MANAGER_FETCHER_H_
   6 #define MOJO_TOOLS_PACKAGE_MANAGER_FETCHER_H_
   7
   8 #include "base/files/file.h"
   9 #include "base/files/file_path.h"
  10 #include "mojo/common/handle_watcher.h"
  11 #include "mojo/public/cpp/system/macros.h"
  12 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
  13 #include "mojo/services/public/interfaces/network/url_loader.mojom.h"
  14 #include "url/gurl.h"
  15
  16 namespace base {
  17 class FilePath;
  18 }  // namespace base
  19
  20 namespace mojo {
  21
  22 class PackageFetcherDelegate;
  23
  24 class PackageFetcher {
  25  public:
  26   PackageFetcher(NetworkService* network_service,
  27                  PackageFetcherDelegate* delegate,
  28                  const GURL& url);
  29   virtual ~PackageFetcher();
  30
  31  private:
  32   void OnReceivedResponse(URLResponsePtr response);
  33
  34   void ReadData(MojoResult);
  35   void WaitToReadMore();
  36
  37   PackageFetcherDelegate* delegate_;
  38
  39   // URL of the package.
  40   GURL url_;
  41
  42   URLLoaderPtr loader_;
  43
  44   // Valid once file has started streaming.
  45   ScopedDataPipeConsumerHandle body_;
  46   common::HandleWatcher handle_watcher_;
  47
  48   base::FilePath output_file_name_;
  49   base::File output_file_;
  50
  51   MOJO_DISALLOW_COPY_AND_ASSIGN(PackageFetcher);
  52 };
  53
  54 class PackageFetcherDelegate {
  55  public:
  56   virtual void FetchSucceeded(const GURL& url, const base::FilePath& name) = 0;
  57
  58   virtual void FetchFailed(const GURL& url) = 0;
  59 };
  60
  61 }  // namespace mojo
  62
  63 #endif  // MOJO_TOOLS_PACKAGE_MANAGER_FETCHER_H_