blob: 142256f097380dd2d8fc4a216b86eda500fa5a5d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/prerender/prerender_manager_factory.h"
#include "base/debug/trace_event.h"
#include "base/sys_info.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/predictors/predictor_database_factory.h"
#include "chrome/browser/prerender/prerender_manager.h"
#include "chrome/browser/profiles/incognito_helpers.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "extensions/browser/extension_system_provider.h"
#include "extensions/browser/extensions_browser_client.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/prerender_condition_network.h"
#include "chromeos/network/network_handler.h"
#endif
#if defined(OS_ANDROID)
#include "chrome/browser/android/prerender_condition_platform.h"
#endif
namespace prerender {
// static
PrerenderManager* PrerenderManagerFactory::GetForProfile(
Profile* profile) {
TRACE_EVENT0("browser", "PrerenderManagerFactory::GetForProfile")
if (!PrerenderManager::IsPrerenderingPossible())
return NULL;
return static_cast<PrerenderManager*>(
GetInstance()->GetServiceForBrowserContext(profile, true));
}
// static
PrerenderManagerFactory* PrerenderManagerFactory::GetInstance() {
return Singleton<PrerenderManagerFactory>::get();
}
PrerenderManagerFactory::PrerenderManagerFactory()
: BrowserContextKeyedServiceFactory(
"PrerenderManager",
BrowserContextDependencyManager::GetInstance()) {
DependsOn(
extensions::ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
// PrerenderLocalPredictor observers the history visit DB.
DependsOn(HistoryServiceFactory::GetInstance());
DependsOn(predictors::PredictorDatabaseFactory::GetInstance());
DependsOn(ProfileSyncServiceFactory::GetInstance());
}
PrerenderManagerFactory::~PrerenderManagerFactory() {
}
KeyedService* PrerenderManagerFactory::BuildServiceInstanceFor(
content::BrowserContext* browser_context) const {
Profile* profile = Profile::FromBrowserContext(browser_context);
CHECK(g_browser_process->prerender_tracker());
if (base::SysInfo::IsLowEndDevice())
return NULL;
PrerenderManager* prerender_manager = new PrerenderManager(
profile, g_browser_process->prerender_tracker());
#if defined(OS_CHROMEOS)
if (chromeos::NetworkHandler::IsInitialized())
prerender_manager->AddCondition(new chromeos::PrerenderConditionNetwork);
#endif
#if defined(OS_ANDROID)
prerender_manager->AddCondition(new android::PrerenderConditionPlatform(
browser_context));
#endif
return prerender_manager;
}
content::BrowserContext* PrerenderManagerFactory::GetBrowserContextToUse(
content::BrowserContext* context) const {
return chrome::GetBrowserContextOwnInstanceInIncognito(context);
}
} // namespace prerender
|
