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Side by Side Diff: chrome/browser/renderer_host/resource_queue.h

Issue 5298008: net: Add namespace net to URLRequest and URLRequestJob classes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: some chromeos fixes Created 10 years ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 5 #ifndef CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_
6 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 6 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_
7 #pragma once 7 #pragma once
8 8
9 #include <map> 9 #include <map>
10 #include <set> 10 #include <set>
11 11
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 13
14 namespace net {
15 class URLRequest;
16 } // namespace net
17
14 class ResourceDispatcherHostRequestInfo; 18 class ResourceDispatcherHostRequestInfo;
15 class URLRequest;
16 struct GlobalRequestID; 19 struct GlobalRequestID;
17 20
18 // Makes decisions about delaying or not each URLRequest in the queue. 21 // Makes decisions about delaying or not each URLRequest in the queue.
19 // All methods are called on the IO thread. 22 // All methods are called on the IO thread.
20 class ResourceQueueDelegate { 23 class ResourceQueueDelegate {
21 public: 24 public:
22 // Should return true if it wants the |request| to not be started at this 25 // Should return true if it wants the |request| to not be started at this
23 // point. To start the delayed request, ResourceQueue::StartDelayedRequest 26 // point. To start the delayed request, ResourceQueue::StartDelayedRequest
24 // should be used. 27 // should be used.
25 virtual bool ShouldDelayRequest( 28 virtual bool ShouldDelayRequest(
26 URLRequest* request, 29 net::URLRequest* request,
27 const ResourceDispatcherHostRequestInfo& request_info, 30 const ResourceDispatcherHostRequestInfo& request_info,
28 const GlobalRequestID& request_id) = 0; 31 const GlobalRequestID& request_id) = 0;
29 32
30 // Called just before ResourceQueue shutdown. After that, the delegate 33 // Called just before ResourceQueue shutdown. After that, the delegate
31 // should not use the ResourceQueue. 34 // should not use the ResourceQueue.
32 virtual void WillShutdownResourceQueue() = 0; 35 virtual void WillShutdownResourceQueue() = 0;
33 36
34 protected: 37 protected:
35 virtual ~ResourceQueueDelegate(); 38 virtual ~ResourceQueueDelegate();
36 }; 39 };
(...skipping 15 matching lines...) Expand all
52 void Initialize(const DelegateSet& delegates); 55 void Initialize(const DelegateSet& delegates);
53 56
54 // IO THREAD ONLY ------------------------------------------------------------ 57 // IO THREAD ONLY ------------------------------------------------------------
55 58
56 // Must be called before destroying the queue. No other methods can be called 59 // Must be called before destroying the queue. No other methods can be called
57 // after that. 60 // after that.
58 void Shutdown(); 61 void Shutdown();
59 62
60 // Takes care to start the |request| after all delegates allow that. If no 63 // Takes care to start the |request| after all delegates allow that. If no
61 // delegate demands delaying the request it will be started immediately. 64 // delegate demands delaying the request it will be started immediately.
62 void AddRequest(URLRequest* request, 65 void AddRequest(net::URLRequest* request,
63 const ResourceDispatcherHostRequestInfo& request_info); 66 const ResourceDispatcherHostRequestInfo& request_info);
64 67
65 // Tells the queue that the URLRequest object associated with |request_id| 68 // Tells the queue that the URLRequest object associated with |request_id|
66 // is no longer valid. 69 // is no longer valid.
67 void RemoveRequest(const GlobalRequestID& request_id); 70 void RemoveRequest(const GlobalRequestID& request_id);
68 71
69 // A delegate should call StartDelayedRequest when it wants to allow the 72 // A delegate should call StartDelayedRequest when it wants to allow the
70 // request to start. If it was the last delegate that demanded the request 73 // request to start. If it was the last delegate that demanded the request
71 // to be delayed, the request will be started. 74 // to be delayed, the request will be started.
72 void StartDelayedRequest(ResourceQueueDelegate* delegate, 75 void StartDelayedRequest(ResourceQueueDelegate* delegate,
73 const GlobalRequestID& request_id); 76 const GlobalRequestID& request_id);
74 77
75 private: 78 private:
76 typedef std::map<GlobalRequestID, URLRequest*> RequestMap; 79 typedef std::map<GlobalRequestID, net::URLRequest*> RequestMap;
77 typedef std::map<GlobalRequestID, DelegateSet> InterestedDelegatesMap; 80 typedef std::map<GlobalRequestID, DelegateSet> InterestedDelegatesMap;
78 81
79 // The registered delegates. Will not change after the queue has been 82 // The registered delegates. Will not change after the queue has been
80 // initialized. 83 // initialized.
81 DelegateSet delegates_; 84 DelegateSet delegates_;
82 85
83 // Stores URLRequest objects associated with each GlobalRequestID. This helps 86 // Stores URLRequest objects associated with each GlobalRequestID. This helps
84 // decoupling the queue from ResourceDispatcherHost. 87 // decoupling the queue from ResourceDispatcherHost.
85 RequestMap requests_; 88 RequestMap requests_;
86 89
87 // Maps a GlobalRequestID to the set of delegates that want to prevent the 90 // Maps a GlobalRequestID to the set of delegates that want to prevent the
88 // associated request from starting yet. 91 // associated request from starting yet.
89 InterestedDelegatesMap interested_delegates_; 92 InterestedDelegatesMap interested_delegates_;
90 93
91 // True when we are shutting down. 94 // True when we are shutting down.
92 bool shutdown_; 95 bool shutdown_;
93 96
94 DISALLOW_COPY_AND_ASSIGN(ResourceQueue); 97 DISALLOW_COPY_AND_ASSIGN(ResourceQueue);
95 }; 98 };
96 99
97 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 100 #endif // CHROME_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_
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