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Side by Side Diff: content/browser/loader/resource_scheduler.h

Issue 562273008: Add audio signal to the ResourceScheduler. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 6 years, 2 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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104 104
105 // Requests that this ResourceScheduler schedule, and eventually loads, the 105 // Requests that this ResourceScheduler schedule, and eventually loads, the
106 // specified |url_request|. Caller should delete the returned ResourceThrottle 106 // specified |url_request|. Caller should delete the returned ResourceThrottle
107 // when the load completes or is canceled. 107 // when the load completes or is canceled.
108 scoped_ptr<ResourceThrottle> ScheduleRequest( 108 scoped_ptr<ResourceThrottle> ScheduleRequest(
109 int child_id, int route_id, net::URLRequest* url_request); 109 int child_id, int route_id, net::URLRequest* url_request);
110 110
111 // Signals from the UI thread, posted as tasks on the IO thread: 111 // Signals from the UI thread, posted as tasks on the IO thread:
112 112
113 // Called when a renderer is created. 113 // Called when a renderer is created.
114 void OnClientCreated(int child_id, int route_id, bool is_visible); 114 void OnClientCreated(int child_id,
115 int route_id,
116 bool is_visible,
117 bool is_audible);
115 118
116 // Called when a renderer is destroyed. 119 // Called when a renderer is destroyed.
117 void OnClientDeleted(int child_id, int route_id); 120 void OnClientDeleted(int child_id, int route_id);
118 121
119 // Called when a renderer stops or restarts loading. 122 // Called when a renderer stops or restarts loading.
120 void OnLoadingStateChanged(int child_id, int route_id, bool is_loaded); 123 void OnLoadingStateChanged(int child_id, int route_id, bool is_loaded);
121 124
122 // Called when a Client is shown or hidden. 125 // Called when a Client is shown or hidden.
123 void OnVisibilityChanged(int child_id, int route_id, bool is_visible); 126 void OnVisibilityChanged(int child_id, int route_id, bool is_visible);
124 127
128 // Called when a Client starts or stops playing audio.
129 void OnAudibilityChanged(int child_id, int route_id, bool is_audible);
130
125 // Signals from IPC messages directly from the renderers: 131 // Signals from IPC messages directly from the renderers:
126 132
127 // Called when a client navigates to a new main document. 133 // Called when a client navigates to a new main document.
128 void OnNavigate(int child_id, int route_id); 134 void OnNavigate(int child_id, int route_id);
129 135
130 // Called when the client has parsed the <body> element. This is a signal that 136 // Called when the client has parsed the <body> element. This is a signal that
131 // resource loads won't interfere with first paint. 137 // resource loads won't interfere with first paint.
132 void OnWillInsertBody(int child_id, int route_id); 138 void OnWillInsertBody(int child_id, int route_id);
133 139
134 // Signals from the IO thread: 140 // Signals from the IO thread:
135 141
136 // Called when we received a response to a http request that was served 142 // Called when we received a response to a http request that was served
137 // from a proxy using SPDY. 143 // from a proxy using SPDY.
138 void OnReceivedSpdyProxiedHttpResponse(int child_id, int route_id); 144 void OnReceivedSpdyProxiedHttpResponse(int child_id, int route_id);
139 145
140 // Client functions: 146 // Client functions:
141 147
142 // Called to check if all user observable tabs have completed loading. 148 // Called to check if all user observable tabs have completed loading.
143 bool active_clients_loaded() const { return active_clients_loading_ == 0; } 149 bool active_clients_loaded() const { return active_clients_loading_ == 0; }
144 150
145 // Called when a Client starts or stops playing audio.
146 void OnAudibilityChanged(int child_id, int route_id, bool is_audible);
147
148 bool IsClientVisibleForTesting(int child_id, int route_id); 151 bool IsClientVisibleForTesting(int child_id, int route_id);
149 152
150 private: 153 private:
151 class RequestQueue; 154 class RequestQueue;
152 class ScheduledResourceRequest; 155 class ScheduledResourceRequest;
153 struct RequestPriorityParams; 156 struct RequestPriorityParams;
154 struct ScheduledResourceSorter { 157 struct ScheduledResourceSorter {
155 bool operator()(const ScheduledResourceRequest* a, 158 bool operator()(const ScheduledResourceRequest* a,
156 const ScheduledResourceRequest* b) const; 159 const ScheduledResourceRequest* b) const;
157 }; 160 };
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207 size_t active_clients_loading_; 210 size_t active_clients_loading_;
208 size_t coalesced_clients_; 211 size_t coalesced_clients_;
209 // This is a repeating timer to initiate requests on COALESCED Clients. 212 // This is a repeating timer to initiate requests on COALESCED Clients.
210 scoped_ptr<base::Timer> coalescing_timer_; 213 scoped_ptr<base::Timer> coalescing_timer_;
211 RequestSet unowned_requests_; 214 RequestSet unowned_requests_;
212 }; 215 };
213 216
214 } // namespace content 217 } // namespace content
215 218
216 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_ 219 #endif // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_H_
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