content/browser/loader/resource_scheduler.h - Issue 465363003: ResourceScheduler get visual signal from RenderViewHostImpl

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Issue 465363003: ResourceScheduler get visual signal from RenderViewHostImpl (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Do not throttle when should not 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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96	96

97 // Requests that this ResourceScheduler schedule, and eventually loads, the	97 // Requests that this ResourceScheduler schedule, and eventually loads, the

98 // specified \|url_request\|. Caller should delete the returned ResourceThrottle	98 // specified \|url_request\|. Caller should delete the returned ResourceThrottle

99 // when the load completes or is canceled.	99 // when the load completes or is canceled.

100 scoped_ptr<ResourceThrottle> ScheduleRequest(	100 scoped_ptr<ResourceThrottle> ScheduleRequest(

101 int child_id, int route_id, net::URLRequest* url_request);	101 int child_id, int route_id, net::URLRequest* url_request);

102	102

103 // Signals from the UI thread, posted as tasks on the IO thread:	103 // Signals from the UI thread, posted as tasks on the IO thread:

104	104

105 // Called when a renderer is created.	105 // Called when a renderer is created.

106 void OnClientCreated(int child_id, int route_id);	106 void OnClientCreated(int child_id, int route_id, bool is_visible);

107	107

108 // Called when a renderer is destroyed.	108 // Called when a renderer is destroyed.

109 void OnClientDeleted(int child_id, int route_id);	109 void OnClientDeleted(int child_id, int route_id);

110	110

111 // Signals from IPC messages directly from the renderers:	111 // Signals from IPC messages directly from the renderers:

112	112

113 // Called when a client navigates to a new main document.	113 // Called when a client navigates to a new main document.

114 void OnNavigate(int child_id, int route_id);	114 void OnNavigate(int child_id, int route_id);

115	115

116 // Called when the client has parsed the <body> element. This is a signal that	116 // Called when the client has parsed the <body> element. This is a signal that

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129 bool active_clients_loaded() const { return active_clients_loading_ == 0; }	129 bool active_clients_loaded() const { return active_clients_loading_ == 0; }

130	130

131 // Called when a Client starts or stops playing audio.	131 // Called when a Client starts or stops playing audio.

132 void OnAudibilityChanged(int child_id, int route_id, bool is_audible);	132 void OnAudibilityChanged(int child_id, int route_id, bool is_audible);

133	133

134 // Called when a Client is shown or hidden.	134 // Called when a Client is shown or hidden.

135 void OnVisibilityChanged(int child_id, int route_id, bool is_visible);	135 void OnVisibilityChanged(int child_id, int route_id, bool is_visible);

136	136

137 void OnLoadingStateChanged(int child_id, int route_id, bool is_loaded);	137 void OnLoadingStateChanged(int child_id, int route_id, bool is_loaded);

138	138

	139 bool IsClientVisibleForTesting(int child_id, int route_id);

	140

139 private:	141 private:

140 class RequestQueue;	142 class RequestQueue;

141 class ScheduledResourceRequest;	143 class ScheduledResourceRequest;

142 struct RequestPriorityParams;	144 struct RequestPriorityParams;

143 struct ScheduledResourceSorter {	145 struct ScheduledResourceSorter {

144 bool operator()(const ScheduledResourceRequest* a,	146 bool operator()(const ScheduledResourceRequest* a,

145 const ScheduledResourceRequest* b) const;	147 const ScheduledResourceRequest* b) const;

146 };	148 };

147 class Client;	149 class Client;

148	150

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196 size_t active_clients_loading_;	198 size_t active_clients_loading_;

197 size_t coalesced_clients_;	199 size_t coalesced_clients_;

198 // This is a repeating timer to initiate requests on COALESCED Clients.	200 // This is a repeating timer to initiate requests on COALESCED Clients.

199 scoped_ptr<base::Timer> coalescing_timer_;	201 scoped_ptr<base::Timer> coalescing_timer_;

200 RequestSet unowned_requests_;	202 RequestSet unowned_requests_;

201 };	203 };

202	204

203 } // namespace content	205 } // namespace content

204	206

205 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_	207 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_

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