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@ -41,10 +41,17 @@ sealed class AdapterItem(@LayoutRes val viewType: Int) {
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)
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)
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data class TopSiteList(val topSites: List<TopSite>) : AdapterItem(TopSiteViewHolder.LAYOUT_ID) {
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data class TopSiteList(val topSites: List<TopSite>) : AdapterItem(TopSiteViewHolder.LAYOUT_ID) {
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override fun sameAs(other: AdapterItem): Boolean {
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val newTopSites = (other as? TopSiteList) ?: return false
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return newTopSites.topSites == this.topSites
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}
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override fun contentsSameAs(other: AdapterItem): Boolean {
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override fun contentsSameAs(other: AdapterItem): Boolean {
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val newTopSites = (other as? TopSiteList)?.topSites?.asSequence() ?: return false
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val newTopSites = (other as? TopSiteList) ?: return false
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if (newTopSites.topSites.size != this.topSites.size) return false
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val newSitesSequence = newTopSites.topSites.asSequence()
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val oldTopSites = this.topSites.asSequence()
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val oldTopSites = this.topSites.asSequence()
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return newTopSites.zip(oldTopSites).all { (new, old) -> new.title == old.title }
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return newSitesSequence.zip(oldTopSites).all { (new, old) -> new.title == old.title }
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}
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}
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}
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}
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