src/webkit/browser/blob/view_blob_internals_job.h

   1 // Copyright (c) 2012 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 WEBKIT_BROWSER_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
   6 #define WEBKIT_BROWSER_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "net/url_request/url_request_simple_job.h"
  12 #include "webkit/browser/webkit_storage_browser_export.h"
  13
  14 namespace net {
  15 class URLRequest;
  16 }  // namespace net
  17
  18 namespace webkit_blob {
  19
  20 class BlobData;
  21 class BlobStorageContext;
  22
  23 // A job subclass that implements a protocol to inspect the internal
  24 // state of blob registry.
  25 class WEBKIT_STORAGE_BROWSER_EXPORT ViewBlobInternalsJob
  26     : public net::URLRequestSimpleJob {
  27  public:
  28   ViewBlobInternalsJob(net::URLRequest* request,
  29                        net::NetworkDelegate* network_delegate,
  30                        BlobStorageContext* blob_storage_context);
  31
  32   virtual void Start() OVERRIDE;
  33   virtual int GetData(std::string* mime_type,
  34                       std::string* charset,
  35                       std::string* data,
  36                       const net::CompletionCallback& callback) const OVERRIDE;
  37   virtual bool IsRedirectResponse(GURL* location,
  38                                   int* http_status_code) OVERRIDE;
  39   virtual void Kill() OVERRIDE;
  40
  41  private:
  42   virtual ~ViewBlobInternalsJob();
  43
  44   void GenerateHTML(std::string* out) const;
  45   static void GenerateHTMLForBlobData(const BlobData& blob_data,
  46                                       int refcount,
  47                                       std::string* out);
  48
  49   BlobStorageContext* blob_storage_context_;
  50   base::WeakPtrFactory<ViewBlobInternalsJob> weak_factory_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(ViewBlobInternalsJob);
  53 };
  54
  55 }  // namespace webkit_blob
  56
  57 #endif  // WEBKIT_BROWSER_BLOB_VIEW_BLOB_INTERNALS_JOB_H_