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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 CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ | 5 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ |
| 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ | 6 #define CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ |
| 7 | 7 |
| 8 #include <string> | |
| 9 | |
| 10 class Profile; | 8 class Profile; |
| 11 | 9 |
| 12 namespace base { | 10 namespace base { |
| 13 class CommandLine; | 11 class CommandLine; |
| 14 } | 12 } |
| 15 | 13 |
| 16 namespace prerender { | 14 namespace prerender { |
| 17 | 15 |
| 18 // Parse the --prerender= command line switch, which controls prerendering. If | 16 // Parse the --prerender= command line switch, which controls prerendering. If |
| 19 // the switch is unset or is set to "auto" then the user is assigned to a | 17 // the switch is unset or is set to "auto" then the user is assigned to a |
| 20 // field trial. | 18 // field trial. |
| 21 void ConfigurePrerender(const base::CommandLine& command_line); | 19 void ConfigurePrerender(const base::CommandLine& command_line); |
| 22 | 20 |
| 23 // Returns true if the user has opted in or has been opted in to the | 21 // Returns true if the user has opted in or has been opted in to the |
| 24 // prerendering from Omnibox experiment. | 22 // prerendering from Omnibox experiment. |
| 25 bool IsOmniboxEnabled(Profile* profile); | 23 bool IsOmniboxEnabled(Profile* profile); |
| 26 | 24 |
| 27 // Returns true iff the Prerender Local Predictor is enabled. | |
| 28 bool IsLocalPredictorEnabled(); | |
| 29 | |
| 30 // Indicates whether to disable the local predictor due to unencrypted sync | |
| 31 // settings and configuration. | |
| 32 bool ShouldDisableLocalPredictorBasedOnSyncAndConfiguration(Profile* profile); | |
| 33 | |
| 34 // Returns whether or not the local predictor is temporarily disabled, due | |
| 35 // to network predictive action settings and current network. | |
| 36 bool ShouldDisableLocalPredictorDueToPreferencesAndNetwork(Profile* profile); | |
| 37 | |
| 38 // Returns true iff the LoggedIn Predictor is enabled. | |
| 39 bool IsLoggedInPredictorEnabled(); | |
| 40 | |
| 41 // Returns true iff the side-effect free whitelist is enabled. | 25 // Returns true iff the side-effect free whitelist is enabled. |
| 42 bool IsSideEffectFreeWhitelistEnabled(); | 26 bool IsSideEffectFreeWhitelistEnabled(); |
|
davidben
2015/04/08 21:30:41
(This function is called elsewhere and will be rem
| |
| 43 | 27 |
| 44 // Returns true if the local predictor should actually launch prerenders. | |
| 45 bool IsLocalPredictorPrerenderLaunchEnabled(); | |
| 46 | |
| 47 // Returns true if the local predictor should prerender, but only as control | |
| 48 // group. If the local predictor never launches prerenders, then this setting | |
| 49 // is irrelevant. | |
| 50 bool IsLocalPredictorPrerenderAlwaysControlEnabled(); | |
| 51 | |
| 52 // Returns true if the local predictor should prefetch rather than prerender. | |
| 53 bool IsLocalPredictorPrerenderPrefetchEnabled(); | |
| 54 | |
| 55 // Returns true if we should query the prerender service for the profile | |
| 56 // provided. | |
| 57 bool ShouldQueryPrerenderService(Profile* profile); | |
| 58 | |
| 59 // Indicates whether we should query the prerender service for the current URL | |
| 60 // and candidate URLs, respectively. | |
| 61 bool ShouldQueryPrerenderServiceForCurrentURL(); | |
| 62 bool ShouldQueryPrerenderServiceForCandidateURLs(); | |
| 63 | |
| 64 // Returns the URL prefix to be used for the prerender service. The only thing | |
| 65 // that will be appended is the urlencoded query json. | |
| 66 std::string GetPrerenderServiceURLPrefix(); | |
| 67 | |
| 68 // Returns the prerender service behavior ID that should be passed to the | |
| 69 // to the prerender service in requests. | |
| 70 int GetPrerenderServiceBehaviorID(); | |
| 71 | |
| 72 // Returns the fetch timeout to be used for the prerender service, in ms. | |
| 73 int GetPrerenderServiceFetchTimeoutMs(); | |
| 74 | |
| 75 // Returns the timeout for entries in the prefetch list, in seconds. | |
| 76 int GetPrerenderPrefetchListTimeoutSeconds(); | |
| 77 | |
| 78 // Returns the TTL to be used for the local predictor. | |
| 79 int GetLocalPredictorTTLSeconds(); | |
| 80 | |
| 81 // Returns the half-life time to use to decay local predictor prerender | |
| 82 // priorities. | |
| 83 int GetLocalPredictorPrerenderPriorityHalfLifeTimeSeconds(); | |
| 84 | |
| 85 // Returns the maximum number of concurrent prerenders the local predictor | |
| 86 // may maintain. | |
| 87 int GetLocalPredictorMaxConcurrentPrerenders(); | |
| 88 | |
| 89 // Returns the maximum number of concurrent prerenders the local predictor | |
| 90 // may launch concurrently. | |
| 91 int GetLocalPredictorMaxLaunchPrerenders(); | |
| 92 | |
| 93 // The following functions return whether certain LocalPredictor checks should | |
| 94 // be skipped, as indicated by the name. | |
| 95 bool SkipLocalPredictorFragment(); | |
| 96 bool SkipLocalPredictorHTTPS(); | |
| 97 bool SkipLocalPredictorWhitelist(); | |
| 98 bool SkipLocalPredictorServiceWhitelist(); | |
| 99 bool SkipLocalPredictorLoggedIn(); | |
| 100 bool SkipLocalPredictorDefaultNoPrerender(); | |
| 101 bool SkipLocalPredictorLocalCandidates(); | |
| 102 bool SkipLocalPredictorServiceCandidates(); | |
| 103 | |
| 104 } // namespace prerender | 28 } // namespace prerender |
| 105 | 29 |
| 106 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ | 30 #endif // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_ |
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