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

Issue 8113027: Export some unix-specific content symbols (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: more exports Created 9 years, 2 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 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 CONTENT_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 6 #define CONTENT_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 #include "content/common/content_export.h" 13 #include "content/common/content_export.h"
14 14
15 namespace net { 15 namespace net {
16 class URLRequest; 16 class URLRequest;
17 } // namespace net 17 } // namespace net
18 18
19 class ResourceDispatcherHostRequestInfo; 19 class ResourceDispatcherHostRequestInfo;
20 class ResourceQueue; 20 class ResourceQueue;
21 struct GlobalRequestID; 21 struct GlobalRequestID;
22 22
23 // Makes decisions about delaying or not each net::URLRequest in the queue. 23 // Makes decisions about delaying or not each net::URLRequest in the queue.
24 // All methods are called on the IO thread. 24 // All methods are called on the IO thread.
25 class ResourceQueueDelegate { 25 class CONTENT_EXPORT ResourceQueueDelegate {
26 public: 26 public:
27 // Gives the delegate a pointer to the queue object. 27 // Gives the delegate a pointer to the queue object.
28 virtual void Initialize(ResourceQueue* resource_queue) = 0; 28 virtual void Initialize(ResourceQueue* resource_queue) = 0;
29 29
30 // Should return true if it wants the |request| to not be started at this 30 // Should return true if it wants the |request| to not be started at this
31 // point. To start the delayed request, ResourceQueue::StartDelayedRequest 31 // point. To start the delayed request, ResourceQueue::StartDelayedRequest
32 // should be used. 32 // should be used.
33 virtual bool ShouldDelayRequest( 33 virtual bool ShouldDelayRequest(
34 net::URLRequest* request, 34 net::URLRequest* request,
35 const ResourceDispatcherHostRequestInfo& request_info, 35 const ResourceDispatcherHostRequestInfo& request_info,
36 const GlobalRequestID& request_id) = 0; 36 const GlobalRequestID& request_id) = 0;
37 37
38 // Called just before ResourceQueue shutdown. After that, the delegate 38 // Called just before ResourceQueue shutdown. After that, the delegate
39 // should not use the ResourceQueue. 39 // should not use the ResourceQueue.
40 virtual void WillShutdownResourceQueue() = 0; 40 virtual void WillShutdownResourceQueue() = 0;
41 41
42 protected: 42 protected:
43 CONTENT_EXPORT virtual ~ResourceQueueDelegate(); 43 virtual ~ResourceQueueDelegate();
44 }; 44 };
45 45
46 // Makes it easy to delay starting URL requests until specified conditions are 46 // Makes it easy to delay starting URL requests until specified conditions are
47 // met. 47 // met.
48 class CONTENT_EXPORT ResourceQueue { 48 class CONTENT_EXPORT ResourceQueue {
49 public: 49 public:
50 typedef std::set<ResourceQueueDelegate*> DelegateSet; 50 typedef std::set<ResourceQueueDelegate*> DelegateSet;
51 51
52 // UI THREAD ONLY ------------------------------------------------------------ 52 // UI THREAD ONLY ------------------------------------------------------------
53 53
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
96 // associated request from starting yet. 96 // associated request from starting yet.
97 InterestedDelegatesMap interested_delegates_; 97 InterestedDelegatesMap interested_delegates_;
98 98
99 // True when we are shutting down. 99 // True when we are shutting down.
100 bool shutdown_; 100 bool shutdown_;
101 101
102 DISALLOW_COPY_AND_ASSIGN(ResourceQueue); 102 DISALLOW_COPY_AND_ASSIGN(ResourceQueue);
103 }; 103 };
104 104
105 #endif // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_ 105 #endif // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_QUEUE_H_
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