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Unified Diff: ios/shared/chrome/browser/tabs/web_state_list_observer_bridge.mm

Issue 2680403005: Introduce WebStateList to manage a list of web::WebState. (Closed)
Patch Set: Rebase && address comments. Created 3 years, 10 months ago
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Index: ios/shared/chrome/browser/tabs/web_state_list_observer_bridge.mm
diff --git a/ios/shared/chrome/browser/tabs/web_state_list_observer_bridge.mm b/ios/shared/chrome/browser/tabs/web_state_list_observer_bridge.mm
new file mode 100644
index 0000000000000000000000000000000000000000..ee76a305252ebf1dd03b1a1d45e8102c6400eee5
--- /dev/null
+++ b/ios/shared/chrome/browser/tabs/web_state_list_observer_bridge.mm
@@ -0,0 +1,70 @@
+// 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/shared/chrome/browser/tabs/web_state_list_observer_bridge.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+WebStateListObserverBridge::WebStateListObserverBridge(
+ id<WebStateListObserving> observer)
+ : observer_(observer) {}
+
+WebStateListObserverBridge::~WebStateListObserverBridge() {}
+
+void WebStateListObserverBridge::WebStateInsertedAt(
+ WebStateList* web_state_list,
+ web::WebState* web_state,
+ size_t index) {
+ SEL selector = @selector(webStateList:didInsertWebState:atIndex:);
+ if (![observer_ respondsToSelector:selector])
+ return;
+
+ [observer_ webStateList:web_state_list
+ didInsertWebState:web_state
+ atIndex:index];
+}
+
+void WebStateListObserverBridge::WebStateMoved(WebStateList* web_state_list,
+ web::WebState* web_state,
+ size_t from_index,
+ size_t to_index) {
+ SEL selector = @selector(webStateList:didMoveWebState:fromIndex:toIndex:);
+ if (![observer_ respondsToSelector:selector])
+ return;
+
+ [observer_ webStateList:web_state_list
+ didMoveWebState:web_state
+ fromIndex:from_index
+ toIndex:to_index];
+}
+
+void WebStateListObserverBridge::WebStateReplacedAt(
+ WebStateList* web_state_list,
+ web::WebState* old_web_state,
+ web::WebState* new_web_state,
+ size_t index) {
+ SEL selector = @selector(webStateList:didReplaceWebState:byWebState:atIndex:);
+ if (![observer_ respondsToSelector:selector])
+ return;
+
+ [observer_ webStateList:web_state_list
+ didReplaceWebState:old_web_state
+ byWebState:new_web_state
+ atIndex:index];
+}
+
+void WebStateListObserverBridge::WebStateDetachedAt(
+ WebStateList* web_state_list,
+ web::WebState* web_state,
+ size_t index) {
+ SEL selector = @selector(webStateList:didDetachWebState:atIndex:);
+ if (![observer_ respondsToSelector:selector])
+ return;
+
+ [observer_ webStateList:web_state_list
+ didDetachWebState:web_state
+ atIndex:index];
+}

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