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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 #include "chrome/browser/renderer_host/web_cache_manager.h" | 5 #include "chrome/browser/renderer_host/web_cache_manager.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 #include "base/memory/singleton.h" | 10 #include "base/memory/singleton.h" |
| 11 #include "base/message_loop.h" | 11 #include "base/message_loop.h" |
| 12 #include "base/metrics/histogram.h" | 12 #include "base/metrics/histogram.h" |
| 13 #include "base/sys_info.h" | 13 #include "base/sys_info.h" |
| 14 #include "base/time.h" | 14 #include "base/time.h" |
| 15 #include "chrome/browser/browser_process.h" | 15 #include "chrome/browser/browser_process.h" |
| 16 #include "chrome/browser/prefs/pref_service.h" | 16 #include "chrome/browser/prefs/pref_service.h" |
| 17 #include "chrome/common/chrome_constants.h" | 17 #include "chrome/common/chrome_constants.h" |
| 18 #include "chrome/common/chrome_notification_types.h" |
| 18 #include "chrome/common/pref_names.h" | 19 #include "chrome/common/pref_names.h" |
| 19 #include "chrome/common/render_messages.h" | 20 #include "chrome/common/render_messages.h" |
| 20 #include "content/browser/renderer_host/browser_render_process_host.h" | 21 #include "content/browser/renderer_host/browser_render_process_host.h" |
| 21 #include "content/common/notification_service.h" | 22 #include "content/common/notification_service.h" |
| 22 | 23 |
| 23 using base::Time; | 24 using base::Time; |
| 24 using base::TimeDelta; | 25 using base::TimeDelta; |
| 25 using WebKit::WebCache; | 26 using WebKit::WebCache; |
| 26 | 27 |
| 27 static const unsigned int kReviseAllocationDelayMS = 200 /* milliseconds */; | 28 static const unsigned int kReviseAllocationDelayMS = 200 /* milliseconds */; |
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| 56 } | 57 } |
| 57 | 58 |
| 58 // static | 59 // static |
| 59 WebCacheManager* WebCacheManager::GetInstance() { | 60 WebCacheManager* WebCacheManager::GetInstance() { |
| 60 return Singleton<WebCacheManager>::get(); | 61 return Singleton<WebCacheManager>::get(); |
| 61 } | 62 } |
| 62 | 63 |
| 63 WebCacheManager::WebCacheManager() | 64 WebCacheManager::WebCacheManager() |
| 64 : global_size_limit_(GetDefaultGlobalSizeLimit()), | 65 : global_size_limit_(GetDefaultGlobalSizeLimit()), |
| 65 ALLOW_THIS_IN_INITIALIZER_LIST(revise_allocation_factory_(this)) { | 66 ALLOW_THIS_IN_INITIALIZER_LIST(revise_allocation_factory_(this)) { |
| 66 registrar_.Add(this, NotificationType::RENDERER_PROCESS_CREATED, | 67 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_CREATED, |
| 67 NotificationService::AllSources()); | 68 NotificationService::AllSources()); |
| 68 registrar_.Add(this, NotificationType::RENDERER_PROCESS_TERMINATED, | 69 registrar_.Add(this, content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, |
| 69 NotificationService::AllSources()); | 70 NotificationService::AllSources()); |
| 70 } | 71 } |
| 71 | 72 |
| 72 WebCacheManager::~WebCacheManager() { | 73 WebCacheManager::~WebCacheManager() { |
| 73 } | 74 } |
| 74 | 75 |
| 75 void WebCacheManager::Add(int renderer_id) { | 76 void WebCacheManager::Add(int renderer_id) { |
| 76 DCHECK(inactive_renderers_.count(renderer_id) == 0); | 77 DCHECK(inactive_renderers_.count(renderer_id) == 0); |
| 77 | 78 |
| 78 // It is tempting to make the following DCHECK here, but it fails when a new | 79 // It is tempting to make the following DCHECK here, but it fails when a new |
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| 135 entry->second.deadSize = stats.deadSize; | 136 entry->second.deadSize = stats.deadSize; |
| 136 entry->second.liveSize = stats.liveSize; | 137 entry->second.liveSize = stats.liveSize; |
| 137 entry->second.maxDeadCapacity = stats.maxDeadCapacity; | 138 entry->second.maxDeadCapacity = stats.maxDeadCapacity; |
| 138 entry->second.minDeadCapacity = stats.minDeadCapacity; | 139 entry->second.minDeadCapacity = stats.minDeadCapacity; |
| 139 | 140 |
| 140 // trigger notification | 141 // trigger notification |
| 141 WebCache::UsageStats stats_details(stats); | 142 WebCache::UsageStats stats_details(stats); |
| 142 // &stats_details is only valid during the notification. | 143 // &stats_details is only valid during the notification. |
| 143 // See notification_types.h. | 144 // See notification_types.h. |
| 144 NotificationService::current()->Notify( | 145 NotificationService::current()->Notify( |
| 145 NotificationType::WEB_CACHE_STATS_OBSERVED, | 146 chrome::NOTIFICATION_WEB_CACHE_STATS_OBSERVED, |
| 146 Source<RenderProcessHost>(RenderProcessHost::FromID(renderer_id)), | 147 Source<RenderProcessHost>(RenderProcessHost::FromID(renderer_id)), |
| 147 Details<WebCache::UsageStats>(&stats_details)); | 148 Details<WebCache::UsageStats>(&stats_details)); |
| 148 } | 149 } |
| 149 | 150 |
| 150 void WebCacheManager::SetGlobalSizeLimit(size_t bytes) { | 151 void WebCacheManager::SetGlobalSizeLimit(size_t bytes) { |
| 151 global_size_limit_ = bytes; | 152 global_size_limit_ = bytes; |
| 152 ReviseAllocationStrategyLater(); | 153 ReviseAllocationStrategyLater(); |
| 153 } | 154 } |
| 154 | 155 |
| 155 void WebCacheManager::ClearCache() { | 156 void WebCacheManager::ClearCache() { |
| 156 // Tell each renderer process to clear the cache. | 157 // Tell each renderer process to clear the cache. |
| 157 ClearRendederCache(active_renderers_); | 158 ClearRendederCache(active_renderers_); |
| 158 ClearRendederCache(inactive_renderers_); | 159 ClearRendederCache(inactive_renderers_); |
| 159 } | 160 } |
| 160 | 161 |
| 161 void WebCacheManager::Observe(NotificationType type, | 162 void WebCacheManager::Observe(int type, |
| 162 const NotificationSource& source, | 163 const NotificationSource& source, |
| 163 const NotificationDetails& details) { | 164 const NotificationDetails& details) { |
| 164 switch (type.value) { | 165 switch (type) { |
| 165 case NotificationType::RENDERER_PROCESS_CREATED: { | 166 case content::NOTIFICATION_RENDERER_PROCESS_CREATED: { |
| 166 RenderProcessHost* process = Source<RenderProcessHost>(source).ptr(); | 167 RenderProcessHost* process = Source<RenderProcessHost>(source).ptr(); |
| 167 Add(process->id()); | 168 Add(process->id()); |
| 168 break; | 169 break; |
| 169 } | 170 } |
| 170 case NotificationType::RENDERER_PROCESS_TERMINATED: { | 171 case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED: { |
| 171 RenderProcessHost* process = Source<RenderProcessHost>(source).ptr(); | 172 RenderProcessHost* process = Source<RenderProcessHost>(source).ptr(); |
| 172 Remove(process->id()); | 173 Remove(process->id()); |
| 173 break; | 174 break; |
| 174 } | 175 } |
| 175 default: | 176 default: |
| 176 NOTREACHED(); | 177 NOTREACHED(); |
| 177 break; | 178 break; |
| 178 } | 179 } |
| 179 } | 180 } |
| 180 | 181 |
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| 426 if (idle >= TimeDelta::FromMinutes(kRendererInactiveThresholdMinutes)) { | 427 if (idle >= TimeDelta::FromMinutes(kRendererInactiveThresholdMinutes)) { |
| 427 // Moved to inactive status. This invalidates our iterator. | 428 // Moved to inactive status. This invalidates our iterator. |
| 428 inactive_renderers_.insert(*iter); | 429 inactive_renderers_.insert(*iter); |
| 429 active_renderers_.erase(*iter); | 430 active_renderers_.erase(*iter); |
| 430 iter = active_renderers_.begin(); | 431 iter = active_renderers_.begin(); |
| 431 continue; | 432 continue; |
| 432 } | 433 } |
| 433 ++iter; | 434 ++iter; |
| 434 } | 435 } |
| 435 } | 436 } |
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