Index: ios/chrome/browser/tabs/tab_parenting_observer.mm |
diff --git a/ios/chrome/browser/tabs/tab_parenting_observer.mm b/ios/chrome/browser/tabs/tab_parenting_observer.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4dbcef482897676e8f631ffb2351961206604c4c |
--- /dev/null |
+++ b/ios/chrome/browser/tabs/tab_parenting_observer.mm |
@@ -0,0 +1,47 @@ |
+// Copyright 2017 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. |
+ |
+#import "ios/chrome/browser/tabs/tab_parenting_observer.h" |
+ |
+#include "ios/chrome/browser/tab_parenting_global_observer.h" |
+#import "ios/chrome/browser/tabs/legacy_tab_helper.h" |
+#import "ios/chrome/browser/tabs/tab.h" |
+ |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
+namespace { |
+void OnWebStateParented(web::WebState* web_state) { |
+ TabParentingGlobalObserver::GetInstance()->OnTabParented(web_state); |
+ Tab* tab = LegacyTabHelper::GetTabForWebState(web_state); |
+ [tab fetchFavicon]; |
+} |
+} // namespace |
+ |
+TabParentingObserver::TabParentingObserver() = default; |
+ |
+TabParentingObserver::~TabParentingObserver() = default; |
+ |
+void TabParentingObserver::WebStateInsertedAt(WebStateList* web_state_list, |
+ web::WebState* web_state, |
+ int index) { |
+ OnWebStateParented(web_state); |
+} |
+ |
+void TabParentingObserver::WebStateMoved(WebStateList* web_state_list, |
+ web::WebState* web_state, |
+ int from_index, |
+ int to_index) {} |
+ |
+void TabParentingObserver::WebStateReplacedAt(WebStateList* web_state_list, |
+ web::WebState* old_web_state, |
+ web::WebState* new_web_state, |
+ int index) { |
+ OnWebStateParented(new_web_state); |
+} |
+ |
+void TabParentingObserver::WebStateDetachedAt(WebStateList* web_state_list, |
+ web::WebState* web_state, |
+ int index) {} |