content/browser/loader/resource_scheduler.h - Issue 462813002: Changed resource scheduler to block until all critical resources actually load.

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Issue 462813002: Changed resource scheduler to block until all critical resources actually load. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Cleaned up the request classification tracking logic Created 6 years, 4 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2012 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_LOADER_RESOURCE_SCHEDULER_H_	5 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_

6 #define CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_	6 #define CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_

7	7

8 #include <map>	8 #include <map>

9 #include <set>	9 #include <set>

10	10

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71 THROTTLED,	71 THROTTLED,

72 // Observable (active) loaded client or	72 // Observable (active) loaded client or

73 // Loading background client, all observable clients loaded.	73 // Loading background client, all observable clients loaded.

74 // Note that clients which would be COALESCED are UNTHROTTLED until	74 // Note that clients which would be COALESCED are UNTHROTTLED until

75 // coalescing is turned on.	75 // coalescing is turned on.

76 UNTHROTTLED,	76 UNTHROTTLED,

77 // Observable (active) loading client.	77 // Observable (active) loading client.

78 ACTIVE_AND_LOADING,	78 ACTIVE_AND_LOADING,

79 };	79 };

80	80

	81 enum RequestClassification {

	82 NORMAL_REQUEST,

	83 // Low priority in-flight requests

	84 IN_FLIGHT_DELAYABLE_REQUEST,

	85 // High-priority requests received before the renderer has a <body>

	86 LAYOUT_BLOCKING_REQUEST,

	87 };

	88

81 ResourceScheduler();	89 ResourceScheduler();

82 ~ResourceScheduler();	90 ~ResourceScheduler();

83	91

84 // Use a mock timer when testing.	92 // Use a mock timer when testing.

85 void set_timer_for_testing(scoped_ptr<base::Timer> timer) {	93 void set_timer_for_testing(scoped_ptr<base::Timer> timer) {

86 coalescing_timer_.reset(timer.release());	94 coalescing_timer_.reset(timer.release());

87 }	95 }

88	96

89 // TODO(aiolos): Remove when throttling and coalescing have landed	97 // TODO(aiolos): Remove when throttling and coalescing have landed

90 void SetThrottleOptionsForTesting(bool should_throttle, bool should_coalesce);	98 void SetThrottleOptionsForTesting(bool should_throttle, bool should_coalesce);

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196 size_t active_clients_loading_;	204 size_t active_clients_loading_;

197 size_t coalesced_clients_;	205 size_t coalesced_clients_;

198 // This is a repeating timer to initiate requests on COALESCED Clients.	206 // This is a repeating timer to initiate requests on COALESCED Clients.

199 scoped_ptr<base::Timer> coalescing_timer_;	207 scoped_ptr<base::Timer> coalescing_timer_;

200 RequestSet unowned_requests_;	208 RequestSet unowned_requests_;

201 };	209 };

202	210

203 } // namespace content	211 } // namespace content

204	212

205 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_	213 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_

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