Add WKBackForwardListDidChangeNotification

[Anders Carlsson]

Add WKBackForwardListDidChangeNotification

[Anders Carlsson]

Created attachment 224248 [details]
Patch

Comment on attachment 224248 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=224248&action=review

> Source/WebKit2/UIProcess/API/Cocoa/WKBackForwardList.mm:36
> +WK_EXPORT NSString * const WKBackForwardListDidChangeNotification = @"WKBackForwardListDidChangeNotification";
> +WK_EXPORT NSString * const WKBackForwardListAddedItemKey = @"WKBackForwardListAddedItemKey";
> +WK_EXPORT NSString * const WKBackForwardListRemovedItemsKey = @"WKBackForwardListRemovedItemsKey";

There’s no need to use WK_EXPORT here.

> Source/WebKit2/UIProcess/Cocoa/NavigationState.mm:398
> +    if (addedItem) {
> +        keys.append(WKBackForwardListAddedItemKey);
> +        values.append(wrapper(*addedItem));
> +    }
> +
> +    if (!removedItems.isEmpty()) {
> +        Vector<id> removed;
> +        removed.reserveInitialCapacity(removedItems.size());
> +
> +        for (const auto& removedItem : removedItems)
> +            removed.uncheckedAppend(wrapper(*removedItem));
> +
> +        keys.append(WKBackForwardListRemovedItemsKey);
> +        values.append([NSArray arrayWithObjects:removed.data() count:removed.size()]);
> +    }
> +
> +    auto userInfo = adoptNS([[NSDictionary alloc] initWithObjects:values.data() forKeys:keys.data() count:keys.size()]);

Why take the risk that someone might append to one vector and not the other? Just create an NSMutableDictionary and use setObject:forKey: or the equivalent subscript syntax.

[Anders Carlsson]

Committed r164132: <http://trac.webkit.org/changeset/164132>