src/content/renderer/fetchers/resource_fetcher_impl.h

   1 // Copyright (c) 2011 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_RENDERER_FETCHERS_RESOURCE_FETCHER_H_
   6 #define CONTENT_RENDERER_FETCHERS_RESOURCE_FETCHER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/timer/timer.h"
  15 #include "content/public/renderer/resource_fetcher.h"
  16 #include "content/renderer/fetchers/web_url_loader_client_impl.h"
  17 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  18 #include "third_party/WebKit/public/platform/WebURLResponse.h"
  19
  20 class GURL;
  21
  22 namespace blink {
  23 class WebFrame;
  24 class WebURLLoader;
  25 struct WebURLError;
  26 }
  27
  28 namespace content {
  29
  30 class ResourceFetcherImpl : public ResourceFetcher,
  31                             public WebURLLoaderClientImpl {
  32  public:
  33   // ResourceFetcher implementation:
  34   void SetMethod(const std::string& method) override;
  35   void SetBody(const std::string& body) override;
  36   void SetHeader(const std::string& header, const std::string& value) override;
  37   void Start(blink::WebFrame* frame,
  38              blink::WebURLRequest::RequestContext request_context,
  39              blink::WebURLRequest::FrameType frame_type,
  40              LoaderType loader_type,
  41              const Callback& callback) override;
  42   void SetTimeout(const base::TimeDelta& timeout) override;
  43
  44  private:
  45   friend class ResourceFetcher;
  46
  47   explicit ResourceFetcherImpl(const GURL& url);
  48
  49   virtual ~ResourceFetcherImpl();
  50
  51   // Callback for timer that limits how long we wait for the server.  If this
  52   // timer fires and the request hasn't completed, we kill the request.
  53   void TimeoutFired();
  54
  55   // WebURLLoaderClientImpl methods:
  56   void OnLoadComplete() override;
  57   void Cancel() override;
  58
  59   scoped_ptr<blink::WebURLLoader> loader_;
  60
  61   // Request to send.  Released once Start() is called.
  62   blink::WebURLRequest request_;
  63
  64   // Callback when we're done.
  65   Callback callback_;
  66
  67   // Limit how long to wait for the server.
  68   base::OneShotTimer<ResourceFetcherImpl> timeout_timer_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(ResourceFetcherImpl);
  71 };
  72
  73 }  // namespace content
  74
  75 #endif  // CONTENT_RENDERER_FETCHERS_RESOURCE_FETCHER_H_