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 "base/time/time.h"
  13 #include "content/browser/loader/navigation_url_loader.h"
  14
  15 namespace net {
  16 struct RedirectInfo;
  17 }
  18
  19 namespace content {
  20
  21 class NavigationURLLoaderImplCore;
  22 class StreamHandle;
  23 struct ResourceResponse;
  24
  25 class NavigationURLLoaderImpl : public NavigationURLLoader {
  26  public:
  27   // The caller is responsible for ensuring that |delegate| outlives the loader.
  28   NavigationURLLoaderImpl(BrowserContext* browser_context,
  29                           int64 frame_tree_node_id,
  30                           scoped_ptr<NavigationRequestInfo> request_info,
  31                           NavigationURLLoaderDelegate* delegate);
  32   ~NavigationURLLoaderImpl() override;
  33
  34   // Called in response to OnRequestRedirected to continue processing the
  35   // request.
  36   void FollowRedirect() override;
  37
  38  private:
  39   friend class NavigationURLLoaderImplCore;
  40
  41   // Notifies the delegate of a redirect.
  42   void NotifyRequestRedirected(const net::RedirectInfo& redirect_info,
  43                                const scoped_refptr<ResourceResponse>& response);
  44
  45   // Notifies the delegate that the response has started.
  46   void NotifyResponseStarted(const scoped_refptr<ResourceResponse>& response,
  47                              scoped_ptr<StreamHandle> body);
  48
  49   // Notifies the delegate the request failed to return a response.
  50   void NotifyRequestFailed(int net_error);
  51
  52   // Notifies the delegate the begin navigation request was handled and a
  53   // potential first network request is about to be made.
  54   void NotifyRequestStarted(base::TimeTicks timestamp);
  55
  56   NavigationURLLoaderDelegate* delegate_;
  57
  58   // |core_| is deleted on the IO thread in a subsequent task when the
  59   // NavigationURLLoaderImpl goes out of scope.
  60   NavigationURLLoaderImplCore* core_;
  61
  62   base::WeakPtrFactory<NavigationURLLoaderImpl> weak_factory_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderImpl);
  65 };
  66
  67 }  // namespace content
  68
  69 #endif  // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_