sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 1 | // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #import "ios/chrome/browser/tabs/tab_model.h" |
| 6 | |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 7 | #include <cstdint> |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 8 | #include <utility> |
| 9 | #include <vector> |
| 10 | |
| 11 | #include "base/bind.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 12 | #include "base/logging.h" |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 13 | #import "base/mac/foundation_util.h" |
asvitkine | f1899e3 | 2017-01-27 16:30:29 | [diff] [blame] | 14 | #include "base/metrics/histogram_macros.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 15 | #include "base/metrics/user_metrics_action.h" |
| 16 | #include "base/strings/sys_string_conversions.h" |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 17 | #include "base/task/cancelable_task_tracker.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 18 | #include "components/sessions/core/serialized_navigation_entry.h" |
| 19 | #include "components/sessions/core/session_id.h" |
| 20 | #include "components/sessions/core/tab_restore_service.h" |
| 21 | #include "components/sessions/ios/ios_live_tab.h" |
| 22 | #include "ios/chrome/browser/browser_state/chrome_browser_state.h" |
| 23 | #include "ios/chrome/browser/chrome_url_constants.h" |
| 24 | #import "ios/chrome/browser/chrome_url_util.h" |
| 25 | #import "ios/chrome/browser/metrics/tab_usage_recorder.h" |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 26 | #import "ios/chrome/browser/prerender/prerender_service_factory.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 27 | #include "ios/chrome/browser/sessions/ios_chrome_tab_restore_service_factory.h" |
sdefresne | dcc6c6e | 2017-04-19 15:49:02 | [diff] [blame] | 28 | #import "ios/chrome/browser/sessions/session_ios.h" |
sdefresne | da974c8 | 2017-04-06 17:24:39 | [diff] [blame] | 29 | #import "ios/chrome/browser/sessions/session_service_ios.h" |
sdefresne | 5652815 | 2017-03-22 17:03:28 | [diff] [blame] | 30 | #import "ios/chrome/browser/sessions/session_window_ios.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 31 | #import "ios/chrome/browser/snapshots/snapshot_cache.h" |
Sylvain Defresne | 528c17b | 2017-06-08 15:00:21 | [diff] [blame] | 32 | #import "ios/chrome/browser/snapshots/snapshot_cache_factory.h" |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 33 | #import "ios/chrome/browser/snapshots/snapshot_cache_web_state_list_observer.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 34 | #include "ios/chrome/browser/tab_parenting_global_observer.h" |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 35 | #import "ios/chrome/browser/tabs/legacy_tab_helper.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 36 | #import "ios/chrome/browser/tabs/tab.h" |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 37 | #import "ios/chrome/browser/tabs/tab_model_closing_web_state_observer.h" |
sdefresne | 8cfdf8f | 2017-01-11 18:22:14 | [diff] [blame] | 38 | #import "ios/chrome/browser/tabs/tab_model_list.h" |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 39 | #import "ios/chrome/browser/tabs/tab_model_notification_observer.h" |
sdefresne | 0a762e4 | 2017-02-14 11:11:25 | [diff] [blame] | 40 | #import "ios/chrome/browser/tabs/tab_model_observers.h" |
sdefresne | 39bfaab | 2017-02-20 11:06:36 | [diff] [blame] | 41 | #import "ios/chrome/browser/tabs/tab_model_observers_bridge.h" |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 42 | #import "ios/chrome/browser/tabs/tab_model_selected_tab_observer.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 43 | #import "ios/chrome/browser/tabs/tab_model_synced_window_delegate.h" |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 44 | #import "ios/chrome/browser/tabs/tab_model_web_state_list_delegate.h" |
sdefresne | 39bfaab | 2017-02-20 11:06:36 | [diff] [blame] | 45 | #import "ios/chrome/browser/tabs/tab_parenting_observer.h" |
Eugene But | b56ecad | 2017-08-10 21:09:52 | [diff] [blame] | 46 | #import "ios/chrome/browser/web/page_placeholder_tab_helper.h" |
sdefresne | 62a00bb | 2017-04-10 15:36:05 | [diff] [blame] | 47 | #import "ios/chrome/browser/web_state_list/web_state_list.h" |
| 48 | #import "ios/chrome/browser/web_state_list/web_state_list_fast_enumeration_helper.h" |
| 49 | #import "ios/chrome/browser/web_state_list/web_state_list_metrics_observer.h" |
| 50 | #import "ios/chrome/browser/web_state_list/web_state_list_observer.h" |
| 51 | #import "ios/chrome/browser/web_state_list/web_state_list_serialization.h" |
| 52 | #import "ios/chrome/browser/web_state_list/web_state_opener.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 53 | #include "ios/web/public/browser_state.h" |
| 54 | #include "ios/web/public/certificate_policy_cache.h" |
| 55 | #include "ios/web/public/navigation_item.h" |
| 56 | #import "ios/web/public/navigation_manager.h" |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 57 | #import "ios/web/public/serializable_user_data_manager.h" |
kkhorimoto | d3a3986f | 2017-04-05 02:21:41 | [diff] [blame] | 58 | #include "ios/web/public/web_state/session_certificate_policy_cache.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 59 | #include "ios/web/public/web_thread.h" |
| 60 | #import "ios/web/web_state/ui/crw_web_controller.h" |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 61 | #include "url/gurl.h" |
| 62 | |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 63 | #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 64 | #error "This file requires ARC support." |
| 65 | #endif |
| 66 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 67 | NSString* const kTabModelTabWillStartLoadingNotification = |
| 68 | @"kTabModelTabWillStartLoadingNotification"; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 69 | NSString* const kTabModelTabDidStartLoadingNotification = |
| 70 | @"kTabModelTabDidStartLoadingNotification"; |
| 71 | NSString* const kTabModelTabDidFinishLoadingNotification = |
| 72 | @"kTabModelTabDidFinishLoadingNotification"; |
| 73 | NSString* const kTabModelAllTabsDidCloseNotification = |
| 74 | @"kTabModelAllTabsDidCloseNotification"; |
| 75 | NSString* const kTabModelTabDeselectedNotification = |
| 76 | @"kTabModelTabDeselectedNotification"; |
| 77 | NSString* const kTabModelNewTabWillOpenNotification = |
| 78 | @"kTabModelNewTabWillOpenNotification"; |
| 79 | NSString* const kTabModelTabKey = @"tab"; |
| 80 | NSString* const kTabModelPageLoadSuccess = @"pageLoadSuccess"; |
| 81 | NSString* const kTabModelOpenInBackgroundKey = @"shouldOpenInBackground"; |
| 82 | |
| 83 | namespace { |
| 84 | |
| 85 | // Updates CRWSessionCertificatePolicyManager's certificate policy cache. |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 86 | void UpdateCertificatePolicyCacheFromWebState( |
| 87 | const scoped_refptr<web::CertificatePolicyCache>& policy_cache, |
kkhorimoto | d3a3986f | 2017-04-05 02:21:41 | [diff] [blame] | 88 | const web::WebState* web_state) { |
sdefresne | 4c8bf63 | 2017-01-26 15:46:47 | [diff] [blame] | 89 | DCHECK(web_state); |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 90 | DCHECK_CURRENTLY_ON(web::WebThread::UI); |
kkhorimoto | d3a3986f | 2017-04-05 02:21:41 | [diff] [blame] | 91 | web_state->GetSessionCertificatePolicyCache()->UpdateCertificatePolicyCache( |
| 92 | policy_cache); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 93 | } |
| 94 | |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 95 | // Populates the certificate policy cache based on the WebStates of |
| 96 | // |web_state_list|. |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 97 | void RestoreCertificatePolicyCacheFromModel( |
| 98 | const scoped_refptr<web::CertificatePolicyCache>& policy_cache, |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 99 | WebStateList* web_state_list) { |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 100 | DCHECK_CURRENTLY_ON(web::WebThread::UI); |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 101 | for (int index = 0; index < web_state_list->count(); ++index) { |
| 102 | UpdateCertificatePolicyCacheFromWebState( |
| 103 | policy_cache, web_state_list->GetWebStateAt(index)); |
| 104 | } |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 105 | } |
| 106 | |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 107 | // Scrubs the certificate policy cache of all certificates policies except |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 108 | // those for the current entries in |web_state_list|. |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 109 | void CleanCertificatePolicyCache( |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 110 | base::CancelableTaskTracker* task_tracker, |
| 111 | const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, |
| 112 | const scoped_refptr<web::CertificatePolicyCache>& policy_cache, |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 113 | WebStateList* web_state_list) { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 114 | DCHECK(policy_cache); |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 115 | DCHECK(web_state_list); |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 116 | DCHECK_CURRENTLY_ON(web::WebThread::UI); |
| 117 | task_tracker->PostTaskAndReply( |
| 118 | task_runner.get(), FROM_HERE, |
| 119 | base::Bind(&web::CertificatePolicyCache::ClearCertificatePolicies, |
| 120 | policy_cache), |
| 121 | base::Bind(&RestoreCertificatePolicyCacheFromModel, policy_cache, |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 122 | base::Unretained(web_state_list))); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 123 | } |
| 124 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 125 | } // anonymous namespace |
| 126 | |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 127 | @interface TabModelWebStateProxyFactory : NSObject<WebStateProxyFactory> |
| 128 | @end |
| 129 | |
| 130 | @implementation TabModelWebStateProxyFactory |
| 131 | |
| 132 | - (id)proxyForWebState:(web::WebState*)webState { |
| 133 | return LegacyTabHelper::GetTabForWebState(webState); |
| 134 | } |
| 135 | |
| 136 | @end |
| 137 | |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 138 | @interface TabModel () { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 139 | // Delegate for the WebStateList. |
| 140 | std::unique_ptr<WebStateListDelegate> _webStateListDelegate; |
| 141 | |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 142 | // Underlying shared model implementation. |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 143 | std::unique_ptr<WebStateList> _webStateList; |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 144 | |
| 145 | // Helper providing NSFastEnumeration implementation over the WebStateList. |
sdefresne | 4a0a4e85 | 2017-04-19 13:16:14 | [diff] [blame] | 146 | std::unique_ptr<WebStateListFastEnumerationHelper> _fastEnumerationHelper; |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 147 | |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 148 | // WebStateListObservers reacting to modifications of the model (may send |
| 149 | // notification, translate and forward events, update metrics, ...). |
| 150 | std::vector<std::unique_ptr<WebStateListObserver>> _webStateListObservers; |
sdefresne | 39bfaab | 2017-02-20 11:06:36 | [diff] [blame] | 151 | |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 152 | // Strong references to id<WebStateListObserving> wrapped by non-owning |
| 153 | // WebStateListObserverBridges. |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 154 | NSArray<id<WebStateListObserving>>* _retainedWebStateListObservers; |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 155 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 156 | // The delegate for sync. |
| 157 | std::unique_ptr<TabModelSyncedWindowDelegate> _syncedWindowDelegate; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 158 | |
| 159 | // Counters for metrics. |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 160 | WebStateListMetricsObserver* _webStateListMetricsObserver; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 161 | |
| 162 | // Backs up property with the same name. |
| 163 | std::unique_ptr<TabUsageRecorder> _tabUsageRecorder; |
| 164 | // Backs up property with the same name. |
| 165 | const SessionID _sessionID; |
| 166 | // Saves session's state. |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 167 | SessionServiceIOS* _sessionService; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 168 | // List of TabModelObservers. |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 169 | TabModelObservers* _observers; |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 170 | |
| 171 | // Used to ensure thread-safety of the certificate policy management code. |
| 172 | base::CancelableTaskTracker _clearPoliciesTaskTracker; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | // Session window for the contents of the tab model. |
sdefresne | dcc6c6e | 2017-04-19 15:49:02 | [diff] [blame] | 176 | @property(nonatomic, readonly) SessionIOS* sessionForSaving; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 177 | |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 178 | // Helper method to restore a saved session and control if the state should |
| 179 | // be persisted or not. Used to implement the public -restoreSessionWindow: |
| 180 | // method and restoring session in the initialiser. |
| 181 | - (BOOL)restoreSessionWindow:(SessionWindowIOS*)window |
| 182 | persistState:(BOOL)persistState; |
| 183 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 184 | @end |
| 185 | |
| 186 | @implementation TabModel |
| 187 | |
| 188 | @synthesize browserState = _browserState; |
| 189 | @synthesize sessionID = _sessionID; |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 190 | @synthesize webUsageEnabled = _webUsageEnabled; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 191 | |
| 192 | #pragma mark - Overriden |
| 193 | |
| 194 | - (void)dealloc { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 195 | // browserStateDestroyed should always have been called before destruction. |
| 196 | DCHECK(!_browserState); |
| 197 | |
sdefresne | 0531535 | 2017-05-23 14:46:17 | [diff] [blame] | 198 | // Make sure the observers do clean after themselves. |
| 199 | DCHECK([_observers empty]); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | #pragma mark - Public methods |
| 203 | |
| 204 | - (Tab*)currentTab { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 205 | web::WebState* webState = _webStateList->GetActiveWebState(); |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 206 | return webState ? LegacyTabHelper::GetTabForWebState(webState) : nil; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | - (void)setCurrentTab:(Tab*)newTab { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 210 | int indexOfTab = _webStateList->GetIndexOfWebState(newTab.webState); |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 211 | DCHECK_NE(indexOfTab, WebStateList::kInvalidIndex); |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 212 | _webStateList->ActivateWebStateAt(indexOfTab); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | - (TabModelSyncedWindowDelegate*)syncedWindowDelegate { |
| 216 | return _syncedWindowDelegate.get(); |
| 217 | } |
| 218 | |
| 219 | - (TabUsageRecorder*)tabUsageRecorder { |
| 220 | return _tabUsageRecorder.get(); |
| 221 | } |
| 222 | |
| 223 | - (BOOL)isOffTheRecord { |
| 224 | return _browserState && _browserState->IsOffTheRecord(); |
| 225 | } |
| 226 | |
| 227 | - (BOOL)isEmpty { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 228 | return _webStateList->empty(); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 229 | } |
| 230 | |
sdefresne | 297553e5 | 2017-01-25 17:09:37 | [diff] [blame] | 231 | - (NSUInteger)count { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 232 | DCHECK_GE(_webStateList->count(), 0); |
| 233 | return static_cast<NSUInteger>(_webStateList->count()); |
sdefresne | 297553e5 | 2017-01-25 17:09:37 | [diff] [blame] | 234 | } |
| 235 | |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 236 | - (WebStateList*)webStateList { |
| 237 | return _webStateList.get(); |
| 238 | } |
| 239 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 240 | - (instancetype)initWithSessionWindow:(SessionWindowIOS*)window |
| 241 | sessionService:(SessionServiceIOS*)service |
| 242 | browserState:(ios::ChromeBrowserState*)browserState { |
| 243 | if ((self = [super init])) { |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 244 | _observers = [TabModelObservers observers]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 245 | |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 246 | _webStateListDelegate = |
| 247 | base::MakeUnique<TabModelWebStateListDelegate>(self); |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 248 | _webStateList = base::MakeUnique<WebStateList>(_webStateListDelegate.get()); |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 249 | |
sdefresne | 4a0a4e85 | 2017-04-19 13:16:14 | [diff] [blame] | 250 | _fastEnumerationHelper = |
| 251 | base::MakeUnique<WebStateListFastEnumerationHelper>( |
| 252 | _webStateList.get(), [[TabModelWebStateProxyFactory alloc] init]); |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 253 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 254 | _browserState = browserState; |
| 255 | DCHECK(_browserState); |
| 256 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 257 | // Normal browser states are the only ones to get tab restore. Tab sync |
| 258 | // handles incognito browser states by filtering on profile, so it's |
| 259 | // important to the backend code to always have a sync window delegate. |
| 260 | if (!_browserState->IsOffTheRecord()) { |
| 261 | // Set up the usage recorder before tabs are created. |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 262 | _tabUsageRecorder = base::MakeUnique<TabUsageRecorder>( |
| 263 | _webStateList.get(), |
| 264 | PrerenderServiceFactory::GetForBrowserState(browserState)); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 265 | } |
sdefresne | 91e46a6 | 2017-05-11 16:33:50 | [diff] [blame] | 266 | _syncedWindowDelegate = base::MakeUnique<TabModelSyncedWindowDelegate>( |
| 267 | _webStateList.get(), _sessionID); |
sdefresne | 4197189 | 2017-02-23 17:24:14 | [diff] [blame] | 268 | |
| 269 | // There must be a valid session service defined to consume session windows. |
| 270 | DCHECK(service); |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 271 | _sessionService = service; |
sdefresne | 4197189 | 2017-02-23 17:24:14 | [diff] [blame] | 272 | |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 273 | NSMutableArray<id<WebStateListObserving>>* retainedWebStateListObservers = |
| 274 | [[NSMutableArray alloc] init]; |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 275 | |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 276 | TabModelClosingWebStateObserver* tabModelClosingWebStateObserver = [ |
| 277 | [TabModelClosingWebStateObserver alloc] |
| 278 | initWithTabModel:self |
| 279 | restoreService:IOSChromeTabRestoreServiceFactory::GetForBrowserState( |
| 280 | _browserState)]; |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 281 | [retainedWebStateListObservers addObject:tabModelClosingWebStateObserver]; |
| 282 | |
| 283 | _webStateListObservers.push_back( |
| 284 | base::MakeUnique<WebStateListObserverBridge>( |
| 285 | tabModelClosingWebStateObserver)); |
| 286 | |
Sylvain Defresne | 528c17b | 2017-06-08 15:00:21 | [diff] [blame] | 287 | SnapshotCache* snapshotCache = |
| 288 | SnapshotCacheFactory::GetForBrowserState(_browserState); |
| 289 | if (snapshotCache) { |
| 290 | _webStateListObservers.push_back( |
| 291 | base::MakeUnique<SnapshotCacheWebStateListObserver>(snapshotCache)); |
| 292 | } |
| 293 | |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 294 | _webStateListObservers.push_back(base::MakeUnique<TabParentingObserver>()); |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 295 | |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 296 | TabModelSelectedTabObserver* tabModelSelectedTabObserver = |
| 297 | [[TabModelSelectedTabObserver alloc] initWithTabModel:self]; |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 298 | [retainedWebStateListObservers addObject:tabModelSelectedTabObserver]; |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 299 | _webStateListObservers.push_back( |
| 300 | base::MakeUnique<WebStateListObserverBridge>( |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 301 | tabModelSelectedTabObserver)); |
| 302 | |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 303 | TabModelObserversBridge* tabModelObserversBridge = |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 304 | [[TabModelObserversBridge alloc] initWithTabModel:self |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 305 | tabModelObservers:_observers]; |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 306 | [retainedWebStateListObservers addObject:tabModelObserversBridge]; |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 307 | _webStateListObservers.push_back( |
sdefresne | 3b0155e9 | 2017-04-12 15:18:53 | [diff] [blame] | 308 | base::MakeUnique<WebStateListObserverBridge>(tabModelObserversBridge)); |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 309 | |
| 310 | auto webStateListMetricsObserver = |
| 311 | base::MakeUnique<WebStateListMetricsObserver>(); |
| 312 | _webStateListMetricsObserver = webStateListMetricsObserver.get(); |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 313 | _webStateListObservers.push_back(std::move(webStateListMetricsObserver)); |
sdefresne | 4197189 | 2017-02-23 17:24:14 | [diff] [blame] | 314 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 315 | _webStateListObservers.push_back( |
| 316 | base::MakeUnique<TabModelNotificationObserver>(self)); |
| 317 | |
sdefresne | ee21033 | 2017-03-24 10:36:54 | [diff] [blame] | 318 | for (const auto& webStateListObserver : _webStateListObservers) |
| 319 | _webStateList->AddObserver(webStateListObserver.get()); |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 320 | _retainedWebStateListObservers = [retainedWebStateListObservers copy]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 321 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 322 | if (window) { |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 323 | DCHECK([_observers empty]); |
| 324 | // Restore the session and reset the session metrics (as the event have |
| 325 | // not been generated by the user but by a cold start cycle). |
| 326 | [self restoreSessionWindow:window persistState:NO]; |
| 327 | [self resetSessionMetrics]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 328 | } |
| 329 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 330 | // Register for resign active notification. |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 331 | [[NSNotificationCenter defaultCenter] |
| 332 | addObserver:self |
| 333 | selector:@selector(willResignActive:) |
| 334 | name:UIApplicationWillResignActiveNotification |
| 335 | object:nil]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 336 | // Register for background notification. |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 337 | [[NSNotificationCenter defaultCenter] |
| 338 | addObserver:self |
| 339 | selector:@selector(applicationDidEnterBackground:) |
| 340 | name:UIApplicationDidEnterBackgroundNotification |
| 341 | object:nil]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 342 | // Register for foregrounding notification. |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 343 | [[NSNotificationCenter defaultCenter] |
| 344 | addObserver:self |
| 345 | selector:@selector(applicationWillEnterForeground:) |
| 346 | name:UIApplicationWillEnterForegroundNotification |
| 347 | object:nil]; |
sdefresne | 8cfdf8f | 2017-01-11 18:22:14 | [diff] [blame] | 348 | |
| 349 | // Associate with ios::ChromeBrowserState. |
| 350 | RegisterTabModelWithChromeBrowserState(_browserState, self); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 351 | } |
| 352 | return self; |
| 353 | } |
| 354 | |
| 355 | - (instancetype)init { |
| 356 | NOTREACHED(); |
| 357 | return nil; |
| 358 | } |
| 359 | |
| 360 | - (BOOL)restoreSessionWindow:(SessionWindowIOS*)window { |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 361 | return [self restoreSessionWindow:window persistState:YES]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 362 | } |
| 363 | |
| 364 | - (void)saveSessionImmediately:(BOOL)immediately { |
| 365 | // Do nothing if there are tabs in the model but no selected tab. This is |
| 366 | // a transitional state. |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 367 | if ((!self.currentTab && _webStateList->count()) || !_browserState) |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 368 | return; |
sdefresne | 80a54462 | 2017-04-12 12:44:27 | [diff] [blame] | 369 | NSString* statePath = |
| 370 | base::SysUTF8ToNSString(_browserState->GetStatePath().AsUTF8Unsafe()); |
Sylvain Defresne | 5fbebad | 2017-06-01 11:23:53 | [diff] [blame] | 371 | __weak TabModel* weakSelf = self; |
| 372 | SessionIOSFactory sessionFactory = ^{ |
| 373 | return weakSelf.sessionForSaving; |
| 374 | }; |
| 375 | [_sessionService saveSession:sessionFactory |
sdefresne | dcc6c6e | 2017-04-19 15:49:02 | [diff] [blame] | 376 | directory:statePath |
| 377 | immediately:immediately]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | - (Tab*)tabAtIndex:(NSUInteger)index { |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 381 | DCHECK_LE(index, static_cast<NSUInteger>(INT_MAX)); |
| 382 | return LegacyTabHelper::GetTabForWebState( |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 383 | _webStateList->GetWebStateAt(static_cast<int>(index))); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | - (NSUInteger)indexOfTab:(Tab*)tab { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 387 | int index = _webStateList->GetIndexOfWebState(tab.webState); |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 388 | if (index == WebStateList::kInvalidIndex) |
| 389 | return NSNotFound; |
| 390 | |
| 391 | DCHECK_GE(index, 0); |
| 392 | return static_cast<NSUInteger>(index); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 393 | } |
| 394 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 395 | - (Tab*)openerOfTab:(Tab*)tab { |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 396 | int index = _webStateList->GetIndexOfWebState(tab.webState); |
sdefresne | e0a9ba6 | 2017-02-23 09:14:11 | [diff] [blame] | 397 | if (index == WebStateList::kInvalidIndex) |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 398 | return nil; |
sdefresne | e0a9ba6 | 2017-02-23 09:14:11 | [diff] [blame] | 399 | |
sdefresne | 500f522 | 2017-03-24 14:01:40 | [diff] [blame] | 400 | WebStateOpener opener = _webStateList->GetOpenerOfWebStateAt(index); |
| 401 | return opener.opener ? LegacyTabHelper::GetTabForWebState(opener.opener) |
| 402 | : nil; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 403 | } |
| 404 | |
sdefresne | a639591 | 2017-03-01 01:14:35 | [diff] [blame] | 405 | - (Tab*)insertTabWithURL:(const GURL&)URL |
| 406 | referrer:(const web::Referrer&)referrer |
| 407 | transition:(ui::PageTransition)transition |
| 408 | opener:(Tab*)parentTab |
| 409 | openedByDOM:(BOOL)openedByDOM |
| 410 | atIndex:(NSUInteger)index |
| 411 | inBackground:(BOOL)inBackground { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 412 | web::NavigationManager::WebLoadParams params(URL); |
| 413 | params.referrer = referrer; |
| 414 | params.transition_type = transition; |
sdefresne | a639591 | 2017-03-01 01:14:35 | [diff] [blame] | 415 | return [self insertTabWithLoadParams:params |
| 416 | opener:parentTab |
| 417 | openedByDOM:openedByDOM |
| 418 | atIndex:index |
| 419 | inBackground:inBackground]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 420 | } |
| 421 | |
sdefresne | a639591 | 2017-03-01 01:14:35 | [diff] [blame] | 422 | - (Tab*)insertTabWithLoadParams: |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 423 | (const web::NavigationManager::WebLoadParams&)loadParams |
sdefresne | a639591 | 2017-03-01 01:14:35 | [diff] [blame] | 424 | opener:(Tab*)parentTab |
| 425 | openedByDOM:(BOOL)openedByDOM |
| 426 | atIndex:(NSUInteger)index |
| 427 | inBackground:(BOOL)inBackground { |
| 428 | DCHECK(_browserState); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 429 | |
Sylvain Defresne | 419a7a7 | 2017-08-09 16:27:37 | [diff] [blame] | 430 | int insertionIndex = WebStateList::kInvalidIndex; |
| 431 | int insertionFlags = WebStateList::INSERT_NO_FLAGS; |
| 432 | if (index != TabModelConstants::kTabPositionAutomatically) { |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 433 | DCHECK_LE(index, static_cast<NSUInteger>(INT_MAX)); |
Sylvain Defresne | 419a7a7 | 2017-08-09 16:27:37 | [diff] [blame] | 434 | insertionIndex = static_cast<int>(index); |
| 435 | insertionFlags |= WebStateList::INSERT_FORCE_INDEX; |
| 436 | } else if (!ui::PageTransitionCoreTypeIs(loadParams.transition_type, |
| 437 | ui::PAGE_TRANSITION_LINK)) { |
| 438 | insertionIndex = _webStateList->count(); |
| 439 | insertionFlags |= WebStateList::INSERT_FORCE_INDEX; |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 440 | } |
| 441 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 442 | if (!inBackground) { |
| 443 | insertionFlags |= WebStateList::INSERT_ACTIVATE; |
| 444 | } |
Sylvain Defresne | 419a7a7 | 2017-08-09 16:27:37 | [diff] [blame] | 445 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 446 | web::WebState::CreateParams createParams(self.browserState); |
| 447 | createParams.created_with_opener = openedByDOM; |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 448 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 449 | std::unique_ptr<web::WebState> webState = web::WebState::Create(createParams); |
Sylvain Defresne | 419a7a7 | 2017-08-09 16:27:37 | [diff] [blame] | 450 | webState->GetNavigationManager()->LoadURLWithParams(loadParams); |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 451 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 452 | insertionIndex = _webStateList->InsertWebState( |
| 453 | insertionIndex, std::move(webState), insertionFlags, |
| 454 | WebStateOpener(parentTab.webState)); |
sdefresne | 7d699dd | 2017-04-05 13:05:23 | [diff] [blame] | 455 | |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 456 | return LegacyTabHelper::GetTabForWebState( |
| 457 | _webStateList->GetWebStateAt(insertionIndex)); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 458 | } |
| 459 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 460 | - (void)moveTab:(Tab*)tab toIndex:(NSUInteger)toIndex { |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 461 | DCHECK_LE(toIndex, static_cast<NSUInteger>(INT_MAX)); |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 462 | int fromIndex = _webStateList->GetIndexOfWebState(tab.webState); |
| 463 | _webStateList->MoveWebStateAt(fromIndex, static_cast<int>(toIndex)); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 464 | } |
| 465 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 466 | - (void)closeTabAtIndex:(NSUInteger)index { |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 467 | DCHECK_LE(index, static_cast<NSUInteger>(INT_MAX)); |
| 468 | _webStateList->CloseWebStateAt(static_cast<int>(index)); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | - (void)closeTab:(Tab*)tab { |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 472 | [self closeTabAtIndex:[self indexOfTab:tab]]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 473 | } |
| 474 | |
| 475 | - (void)closeAllTabs { |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 476 | _webStateList->CloseAllWebStates(); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 477 | [[NSNotificationCenter defaultCenter] |
| 478 | postNotificationName:kTabModelAllTabsDidCloseNotification |
| 479 | object:self]; |
| 480 | } |
| 481 | |
| 482 | - (void)haltAllTabs { |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 483 | for (Tab* tab in self) { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 484 | [tab terminateNetworkActivity]; |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | - (void)notifyTabChanged:(Tab*)tab { |
| 489 | [_observers tabModel:self didChangeTab:tab]; |
| 490 | } |
| 491 | |
| 492 | - (void)addObserver:(id<TabModelObserver>)observer { |
| 493 | [_observers addObserver:observer]; |
| 494 | } |
| 495 | |
| 496 | - (void)removeObserver:(id<TabModelObserver>)observer { |
| 497 | [_observers removeObserver:observer]; |
| 498 | } |
| 499 | |
| 500 | - (void)resetSessionMetrics { |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 501 | if (_webStateListMetricsObserver) |
| 502 | _webStateListMetricsObserver->ResetSessionMetrics(); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | - (void)recordSessionMetrics { |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 506 | if (_webStateListMetricsObserver) |
| 507 | _webStateListMetricsObserver->RecordSessionMetrics(); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 508 | } |
| 509 | |
| 510 | - (void)notifyTabSnapshotChanged:(Tab*)tab withImage:(UIImage*)image { |
| 511 | DCHECK([NSThread isMainThread]); |
| 512 | [_observers tabModel:self didChangeTabSnapshot:tab withImage:image]; |
| 513 | } |
| 514 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 515 | - (void)setWebUsageEnabled:(BOOL)webUsageEnabled { |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 516 | if (_webUsageEnabled == webUsageEnabled) |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 517 | return; |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 518 | _webUsageEnabled = webUsageEnabled; |
sdefresne | 7d699dd | 2017-04-05 13:05:23 | [diff] [blame] | 519 | for (int index = 0; index < _webStateList->count(); ++index) { |
| 520 | web::WebState* webState = _webStateList->GetWebStateAt(index); |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 521 | webState->SetWebUsageEnabled(_webUsageEnabled ? true : false); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
| 525 | - (void)setPrimary:(BOOL)primary { |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 526 | if (_tabUsageRecorder) { |
| 527 | _tabUsageRecorder->RecordPrimaryTabModelChange(primary, |
| 528 | self.currentTab.webState); |
| 529 | } |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | - (NSSet*)currentlyReferencedExternalFiles { |
| 533 | NSMutableSet* referencedFiles = [NSMutableSet set]; |
| 534 | if (!_browserState) |
| 535 | return referencedFiles; |
| 536 | // Check the currently open tabs for external files. |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 537 | for (Tab* tab in self) { |
kkhorimoto | 2a192b8 | 2017-06-01 20:11:08 | [diff] [blame] | 538 | const GURL& lastCommittedURL = tab.lastCommittedURL; |
| 539 | if (UrlIsExternalFileReference(lastCommittedURL)) { |
| 540 | [referencedFiles addObject:base::SysUTF8ToNSString( |
| 541 | lastCommittedURL.ExtractFileName())]; |
| 542 | } |
| 543 | web::NavigationItem* pendingItem = |
| 544 | tab.webState->GetNavigationManager()->GetPendingItem(); |
| 545 | if (pendingItem && UrlIsExternalFileReference(pendingItem->GetURL())) { |
| 546 | [referencedFiles addObject:base::SysUTF8ToNSString( |
| 547 | pendingItem->GetURL().ExtractFileName())]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 548 | } |
| 549 | } |
| 550 | // Do the same for the recently closed tabs. |
| 551 | sessions::TabRestoreService* restoreService = |
| 552 | IOSChromeTabRestoreServiceFactory::GetForBrowserState(_browserState); |
| 553 | DCHECK(restoreService); |
| 554 | for (const auto& entry : restoreService->entries()) { |
| 555 | sessions::TabRestoreService::Tab* tab = |
| 556 | static_cast<sessions::TabRestoreService::Tab*>(entry.get()); |
| 557 | int navigationIndex = tab->current_navigation_index; |
| 558 | sessions::SerializedNavigationEntry navigation = |
| 559 | tab->navigations[navigationIndex]; |
| 560 | GURL URL = navigation.virtual_url(); |
| 561 | if (UrlIsExternalFileReference(URL)) { |
| 562 | NSString* fileName = base::SysUTF8ToNSString(URL.ExtractFileName()); |
| 563 | [referencedFiles addObject:fileName]; |
| 564 | } |
| 565 | } |
| 566 | return referencedFiles; |
| 567 | } |
| 568 | |
| 569 | // NOTE: This can be called multiple times, so must be robust against that. |
| 570 | - (void)browserStateDestroyed { |
sdefresne | 0531535 | 2017-05-23 14:46:17 | [diff] [blame] | 571 | if (!_browserState) |
| 572 | return; |
| 573 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 574 | [[NSNotificationCenter defaultCenter] removeObserver:self]; |
sdefresne | 0531535 | 2017-05-23 14:46:17 | [diff] [blame] | 575 | UnregisterTabModelFromChromeBrowserState(_browserState, self); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 576 | _browserState = nullptr; |
sdefresne | 0531535 | 2017-05-23 14:46:17 | [diff] [blame] | 577 | |
| 578 | // Clear weak pointer to WebStateListMetricsObserver before destroying it. |
| 579 | _webStateListMetricsObserver = nullptr; |
| 580 | |
| 581 | // Close all tabs. Do this in an @autoreleasepool as WebStateList observers |
| 582 | // will be notified (they are unregistered later). As some of them may be |
| 583 | // implemented in Objective-C and unregister themselves in their -dealloc |
| 584 | // method, ensure they -autorelease introduced by ARC are processed before |
| 585 | // the WebStateList destructor is called. |
| 586 | @autoreleasepool { |
| 587 | [self closeAllTabs]; |
| 588 | } |
| 589 | |
| 590 | // Unregister all observers after closing all the tabs as some of them are |
| 591 | // required to properly clean up the Tabs. |
| 592 | for (const auto& webStateListObserver : _webStateListObservers) |
| 593 | _webStateList->RemoveObserver(webStateListObserver.get()); |
| 594 | _webStateListObservers.clear(); |
| 595 | _retainedWebStateListObservers = nil; |
| 596 | |
| 597 | _clearPoliciesTaskTracker.TryCancelAll(); |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 598 | _tabUsageRecorder.reset(); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 599 | } |
| 600 | |
sdefresne | 573bd7b | 2017-03-03 00:12:49 | [diff] [blame] | 601 | - (void)navigationCommittedInTab:(Tab*)tab |
| 602 | previousItem:(web::NavigationItem*)previousItem { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 603 | if (self.offTheRecord) |
| 604 | return; |
| 605 | if (![tab navigationManager]) |
| 606 | return; |
| 607 | |
| 608 | // See if the navigation was within a page; if so ignore it. |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 609 | if (previousItem) { |
| 610 | GURL previousURL = previousItem->GetURL(); |
| 611 | GURL currentURL = [tab navigationManager]->GetVisibleItem()->GetURL(); |
| 612 | |
| 613 | url::Replacements<char> replacements; |
| 614 | replacements.ClearRef(); |
| 615 | if (previousURL.ReplaceComponents(replacements) == |
| 616 | currentURL.ReplaceComponents(replacements)) { |
| 617 | return; |
| 618 | } |
| 619 | } |
| 620 | |
| 621 | int tabCount = static_cast<int>(self.count); |
| 622 | UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.TabCountPerLoad", tabCount, 1, 200, 50); |
| 623 | } |
| 624 | |
sdefresne | 297553e5 | 2017-01-25 17:09:37 | [diff] [blame] | 625 | #pragma mark - NSFastEnumeration |
| 626 | |
| 627 | - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState*)state |
sdefresne | 4162a4dc | 2017-05-15 11:26:24 | [diff] [blame] | 628 | objects:(id __unsafe_unretained*)objects |
sdefresne | 297553e5 | 2017-01-25 17:09:37 | [diff] [blame] | 629 | count:(NSUInteger)count { |
sdefresne | 4a0a4e85 | 2017-04-19 13:16:14 | [diff] [blame] | 630 | return [_fastEnumerationHelper->GetFastEnumeration() |
| 631 | countByEnumeratingWithState:state |
| 632 | objects:objects |
| 633 | count:count]; |
sdefresne | 297553e5 | 2017-01-25 17:09:37 | [diff] [blame] | 634 | } |
| 635 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 636 | #pragma mark - Private methods |
| 637 | |
sdefresne | dcc6c6e | 2017-04-19 15:49:02 | [diff] [blame] | 638 | - (SessionIOS*)sessionForSaving { |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 639 | // Build the array of sessions. Copy the session objects as the saving will |
| 640 | // be done on a separate thread. |
| 641 | // TODO(crbug.com/661986): This could get expensive especially since this |
| 642 | // window may never be saved (if another call comes in before the delay). |
sdefresne | 68f546a | 2017-04-20 10:54:03 | [diff] [blame] | 643 | return [[SessionIOS alloc] |
| 644 | initWithWindows:@[ SerializeWebStateList(_webStateList.get()) ]]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 645 | } |
| 646 | |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 647 | - (BOOL)restoreSessionWindow:(SessionWindowIOS*)window |
| 648 | persistState:(BOOL)persistState { |
| 649 | DCHECK(_browserState); |
| 650 | DCHECK(window); |
| 651 | |
sdefresne | 68f546a | 2017-04-20 10:54:03 | [diff] [blame] | 652 | if (!window.sessions.count) |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 653 | return NO; |
| 654 | |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 655 | int oldCount = _webStateList->count(); |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 656 | DCHECK_GE(oldCount, 0); |
| 657 | |
sdefresne | 08c0ab4 | 2017-04-05 12:49:43 | [diff] [blame] | 658 | web::WebState::CreateParams createParams(_browserState); |
| 659 | DeserializeWebStateList( |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 660 | _webStateList.get(), window, |
Sylvain Defresne | 2b83454 | 2017-08-10 14:50:02 | [diff] [blame] | 661 | base::BindRepeating(&web::WebState::CreateWithStorageSession, |
| 662 | createParams)); |
sdefresne | 08c0ab4 | 2017-04-05 12:49:43 | [diff] [blame] | 663 | |
| 664 | DCHECK_GT(_webStateList->count(), oldCount); |
| 665 | int restoredCount = _webStateList->count() - oldCount; |
sdefresne | 68f546a | 2017-04-20 10:54:03 | [diff] [blame] | 666 | DCHECK_EQ(window.sessions.count, static_cast<NSUInteger>(restoredCount)); |
sdefresne | 08c0ab4 | 2017-04-05 12:49:43 | [diff] [blame] | 667 | |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 668 | scoped_refptr<web::CertificatePolicyCache> policyCache = |
| 669 | web::BrowserState::GetCertificatePolicyCache(_browserState); |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 670 | |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 671 | std::vector<web::WebState*> restoredWebStates; |
| 672 | if (_tabUsageRecorder) |
| 673 | restoredWebStates.reserve(window.sessions.count); |
sdefresne | e0a9ba6 | 2017-02-23 09:14:11 | [diff] [blame] | 674 | |
sdefresne | 2c600c5 | 2017-04-04 16:49:59 | [diff] [blame] | 675 | for (int index = oldCount; index < _webStateList->count(); ++index) { |
| 676 | web::WebState* webState = _webStateList->GetWebStateAt(index); |
Eugene But | b56ecad | 2017-08-10 21:09:52 | [diff] [blame] | 677 | PagePlaceholderTabHelper::FromWebState(webState) |
| 678 | ->AddPlaceholderForNextNavigation(); |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 679 | |
| 680 | // Restore the CertificatePolicyCache (note that webState is invalid after |
sdefresne | bf75f02 | 2017-03-07 17:48:35 | [diff] [blame] | 681 | // passing it via move semantic to -initWithWebState:model:). |
Eugene But | b56ecad | 2017-08-10 21:09:52 | [diff] [blame] | 682 | UpdateCertificatePolicyCacheFromWebState(policyCache, webState); |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 683 | |
| 684 | if (_tabUsageRecorder) |
| 685 | restoredWebStates.push_back(webState); |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 686 | } |
sdefresne | e0a9ba6 | 2017-02-23 09:14:11 | [diff] [blame] | 687 | |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 688 | // If there was only one tab and it was the new tab page, clobber it. |
| 689 | BOOL closedNTPTab = NO; |
| 690 | if (oldCount == 1) { |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 691 | Tab* tab = [self tabAtIndex:0]; |
kkhorimoto | 2a192b8 | 2017-06-01 20:11:08 | [diff] [blame] | 692 | BOOL hasPendingLoad = |
| 693 | tab.webState->GetNavigationManager()->GetPendingItem() != nullptr; |
| 694 | if (!hasPendingLoad && tab.lastCommittedURL == GURL(kChromeUINewTabURL)) { |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 695 | [self closeTab:tab]; |
| 696 | closedNTPTab = YES; |
| 697 | oldCount = 0; |
| 698 | } |
| 699 | } |
Sylvain Defresne | 890975f5 | 2017-08-24 17:42:26 | [diff] [blame^] | 700 | if (_tabUsageRecorder) { |
| 701 | _tabUsageRecorder->InitialRestoredTabs(self.currentTab.webState, |
| 702 | restoredWebStates); |
| 703 | } |
sdefresne | 44c09dc | 2017-02-07 11:13:08 | [diff] [blame] | 704 | return closedNTPTab; |
| 705 | } |
| 706 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 707 | #pragma mark - Notification Handlers |
| 708 | |
| 709 | // Called when UIApplicationWillResignActiveNotification is received. |
| 710 | - (void)willResignActive:(NSNotification*)notify { |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 711 | if (_webUsageEnabled && self.currentTab) { |
Sylvain Defresne | 528c17b | 2017-06-08 15:00:21 | [diff] [blame] | 712 | [SnapshotCacheFactory::GetForBrowserState(_browserState) |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 713 | willBeSavedGreyWhenBackgrounding:self.currentTab.tabId]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 714 | } |
| 715 | } |
| 716 | |
| 717 | // Called when UIApplicationDidEnterBackgroundNotification is received. |
| 718 | - (void)applicationDidEnterBackground:(NSNotification*)notify { |
| 719 | if (!_browserState) |
| 720 | return; |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 721 | |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 722 | // Evict all the certificate policies except for the current entries of the |
| 723 | // active sessions. |
sdefresne | c92bada | 2017-02-08 14:43:49 | [diff] [blame] | 724 | CleanCertificatePolicyCache( |
| 725 | &_clearPoliciesTaskTracker, |
| 726 | web::WebThread::GetTaskRunnerForThread(web::WebThread::IO), |
sdefresne | 32c0c38 | 2017-02-17 16:37:26 | [diff] [blame] | 727 | web::BrowserState::GetCertificatePolicyCache(_browserState), |
sdefresne | 365a73a | 2017-03-14 15:07:13 | [diff] [blame] | 728 | _webStateList.get()); |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 729 | |
| 730 | if (_tabUsageRecorder) |
| 731 | _tabUsageRecorder->AppDidEnterBackground(); |
| 732 | |
| 733 | // Normally, the session is saved after some timer expires but since the app |
| 734 | // is about to enter the background send YES to save the session immediately. |
| 735 | [self saveSessionImmediately:YES]; |
| 736 | |
| 737 | // Write out a grey version of the current website to disk. |
sdefresne | fd2aa65 | 2017-05-23 14:23:10 | [diff] [blame] | 738 | if (_webUsageEnabled && self.currentTab) { |
Sylvain Defresne | 528c17b | 2017-06-08 15:00:21 | [diff] [blame] | 739 | [SnapshotCacheFactory::GetForBrowserState(_browserState) |
sdefresne | 2f7781c | 2017-03-02 19:12:46 | [diff] [blame] | 740 | saveGreyInBackgroundForSessionID:self.currentTab.tabId]; |
sdefresne | 67dfdd6 | 2016-12-19 12:43:12 | [diff] [blame] | 741 | } |
| 742 | } |
| 743 | |
| 744 | // Called when UIApplicationWillEnterForegroundNotification is received. |
| 745 | - (void)applicationWillEnterForeground:(NSNotification*)notify { |
| 746 | if (_tabUsageRecorder) { |
| 747 | _tabUsageRecorder->AppWillEnterForeground(); |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | @end |