content/browser/loader/navigation_url_loader_impl.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 CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
   6 #define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "content/browser/loader/navigation_url_loader.h"
  13
  14 namespace net {
  15 struct RedirectInfo;
  16 }
  17
  18 namespace content {
  19
  20 class NavigationURLLoaderImplCore;
  21 class StreamHandle;
  22 struct ResourceResponse;
  23
  24 class NavigationURLLoaderImpl : public NavigationURLLoader {
  25  public:
  26   // The caller is responsible for ensuring that |delegate| outlives the loader.
  27   NavigationURLLoaderImpl(BrowserContext* browser_context,
  28                           int64 frame_tree_node_id,
  29                           const CommonNavigationParams& common_params,
  30                           scoped_ptr<NavigationRequestInfo> request_info,
  31                           ResourceRequestBody* request_body,
  32                           NavigationURLLoaderDelegate* delegate);
  33   ~NavigationURLLoaderImpl() override;
  34
  35   // Called in response to OnRequestRedirected to continue processing the
  36   // request.
  37   void FollowRedirect() override;
  38
  39  private:
  40   friend class NavigationURLLoaderImplCore;
  41
  42   // Notifies the delegate of a redirect.
  43   void NotifyRequestRedirected(const net::RedirectInfo& redirect_info,
  44                                const scoped_refptr<ResourceResponse>& response);
  45
  46   // Notifies the delegate that the response has started.
  47   void NotifyResponseStarted(const scoped_refptr<ResourceResponse>& response,
  48                              scoped_ptr<StreamHandle> body);
  49
  50   // Notifies the delegate the request failed to return a response.
  51   void NotifyRequestFailed(int net_error);
  52
  53   NavigationURLLoaderDelegate* delegate_;
  54
  55   // |core_| is deleted on the IO thread in a subsequent task when the
  56   // NavigationURLLoaderImpl goes out of scope.
  57   NavigationURLLoaderImplCore* core_;
  58
  59   base::WeakPtrFactory<NavigationURLLoaderImpl> weak_factory_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderImpl);
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_