src/components/nacl/renderer/manifest_downloader.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 #include <string>
   6
   7 #include "base/callback.h"
   8 #include "ppapi/c/private/ppb_nacl_private.h"
   9 #include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
  10
  11 namespace blink {
  12 struct WebURLError;
  13 class WebURLLoader;
  14 class WebURLResponse;
  15 }
  16
  17 namespace nacl {
  18
  19 // Downloads a NaCl manifest (.nmf) and returns the contents of the file to
  20 // caller through a callback.
  21 class ManifestDownloader : public blink::WebURLLoaderClient {
  22  public:
  23   typedef base::Callback<void(PP_NaClError, const std::string&)>
  24       ManifestDownloaderCallback;
  25
  26   ManifestDownloader(bool is_installed, ManifestDownloaderCallback cb);
  27   virtual ~ManifestDownloader();
  28
  29  private:
  30   // WebURLLoaderClient implementation.
  31   virtual void didReceiveResponse(blink::WebURLLoader* loader,
  32                                   const blink::WebURLResponse& response);
  33   virtual void didReceiveData(blink::WebURLLoader* loader,
  34                               const char* data,
  35                               int data_length,
  36                               int encoded_data_length);
  37   virtual void didFinishLoading(blink::WebURLLoader* loader,
  38                                 double finish_time,
  39                                 int64_t total_encoded_data_length);
  40   virtual void didFail(blink::WebURLLoader* loader,
  41                        const blink::WebURLError& error);
  42
  43   bool is_installed_;
  44   ManifestDownloaderCallback cb_;
  45   std::string buffer_;
  46   int status_code_;
  47   PP_NaClError pp_nacl_error_;
  48 };
  49
  50 }  // namespace nacl