15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_ 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/memory/ref_counted.h" 111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/time/time.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/browser/loader/resource_handler.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/browser/loader/resource_message_delegate.h" 147dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "url/gurl.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class URLRequest; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ResourceBuffer; 2258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)class ResourceContext; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ResourceDispatcherHostImpl; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ResourceMessageFilter; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SharedIOBuffer; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Used to complete an asynchronous resource request in response to resource 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// load events from the resource dispatcher host. 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class AsyncResourceHandler : public ResourceHandler, 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public ResourceMessageDelegate { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 3268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) AsyncResourceHandler(net::URLRequest* request, 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResourceDispatcherHostImpl* rdh); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~AsyncResourceHandler(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 36cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ResourceHandler implementation: 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnUploadProgress(uint64 position, uint64 size) OVERRIDE; 406e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) virtual bool OnRequestRedirected(const net::RedirectInfo& redirect_info, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResourceResponse* response, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool* defer) OVERRIDE; 43cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnResponseStarted(ResourceResponse* response, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool* defer) OVERRIDE; 45cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnWillStart(const GURL& url, bool* defer) OVERRIDE; 46cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnBeforeNetworkStart(const GURL& url, bool* defer) OVERRIDE; 47cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnWillRead(scoped_refptr<net::IOBuffer>* buf, 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int* buf_size, 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int min_size) OVERRIDE; 50cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual bool OnReadCompleted(int bytes_read, bool* defer) OVERRIDE; 51cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual void OnResponseCompleted(const net::URLRequestStatus& status, 52f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const std::string& security_info, 53f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) bool* defer) OVERRIDE; 54cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual void OnDataDownloaded(int bytes_downloaded) OVERRIDE; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // IPC message handlers: 58cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void OnFollowRedirect(int request_id); 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void OnDataReceivedACK(int request_id); 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool EnsureResourceBufferIsInitialized(); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ResumeIfDeferred(); 63a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) void OnDefer(); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<ResourceBuffer> buffer_; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ResourceDispatcherHostImpl* rdh_; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Number of messages we've sent to the renderer that we haven't gotten an 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ACK for. This allows us to avoid having too many messages in flight. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int pending_data_count_; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int allocation_size_; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool did_defer_; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 76b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) bool has_checked_for_sufficient_resources_; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool sent_received_response_msg_; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool sent_first_data_msg_; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) int64_t reported_transfer_size_; 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci base::TimeTicks redirect_start_time_; 831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(AsyncResourceHandler); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // CONTENT_BROWSER_LOADER_ASYNC_RESOURCE_HANDLER_H_ 90