content/child/web_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_CHILD_WEB_URL_LOADER_IMPL_H_
   6 #define CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "content/common/content_export.h"
  11 #include "content/public/common/resource_response.h"
  12 #include "third_party/WebKit/public/platform/WebURLLoader.h"
  13 #include "url/gurl.h"
  14
  15 namespace base {
  16
  17 class SingleThreadTaskRunner;
  18
  19 }  // namespace base
  20
  21 namespace content {
  22
  23 class ResourceDispatcher;
  24 struct ResourceResponseInfo;
  25
  26 // PlzNavigate: Used to override parameters of the navigation request.
  27 struct StreamOverrideParameters {
  28  public:
  29   // TODO(clamy): The browser should be made aware on destruction of this struct
  30   // that it can release its associated stream handle.
  31   GURL stream_url;
  32   ResourceResponseHead response;
  33 };
  34
  35 class CONTENT_EXPORT WebURLLoaderImpl
  36     : public NON_EXPORTED_BASE(blink::WebURLLoader) {
  37  public:
  38   explicit WebURLLoaderImpl(
  39       ResourceDispatcher* resource_dispatcher,
  40       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
  41   virtual ~WebURLLoaderImpl();
  42
  43   static blink::WebURLError CreateError(const blink::WebURL& unreachable_url,
  44                                         bool stale_copy_in_cache,
  45                                         int reason);
  46   static void PopulateURLResponse(
  47       const GURL& url,
  48       const ResourceResponseInfo& info,
  49       blink::WebURLResponse* response);
  50
  51   // WebURLLoader methods:
  52   virtual void loadSynchronously(
  53       const blink::WebURLRequest& request,
  54       blink::WebURLResponse& response,
  55       blink::WebURLError& error,
  56       blink::WebData& data) override;
  57   virtual void loadAsynchronously(
  58       const blink::WebURLRequest& request,
  59       blink::WebURLLoaderClient* client) override;
  60   virtual void cancel() override;
  61   virtual void setDefersLoading(bool value) override;
  62   virtual void didChangePriority(blink::WebURLRequest::Priority new_priority,
  63                                  int intra_priority_value) override;
  64   virtual bool attachThreadedDataReceiver(
  65       blink::WebThreadedDataReceiver* threaded_data_receiver) override;
  66
  67  private:
  68   class Context;
  69   scoped_refptr<Context> context_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(WebURLLoaderImpl);
  72 };
  73
  74 }  // namespace content
  75
  76 #endif  // CONTENT_CHILD_WEB_URL_LOADER_IMPL_H_