rename for clarity

Signal/src/ViewControllers/HomeView/ConversationSearchViewController.swift

@@ -25,7 +25,7 @@ class ConversationSearchViewController: UITableViewController, BlockListCacheDel
         }
     }
 
-    var searchResultSet: SearchResultSet = SearchResultSet.empty {
+    var searchResultSet: HomeScreenSearchResultSet = HomeScreenSearchResultSet.empty {
         didSet {
             AssertIsOnMainThread()
 
@@ -392,15 +392,15 @@ class ConversationSearchViewController: UITableViewController, BlockListCacheDel
 
     private func updateSearchResults(searchText: String) {
         guard searchText.stripped.count > 0 else {
-            self.searchResultSet = SearchResultSet.empty
+            self.searchResultSet = HomeScreenSearchResultSet.empty
             self.tableView.reloadData()
             return
         }
 
-        var searchResults: SearchResultSet?
+        var searchResults: HomeScreenSearchResultSet?
         self.uiDatabaseConnection.asyncRead({[weak self] transaction in
             guard let strongSelf = self else { return }
-            searchResults = strongSelf.searcher.results(searchText: searchText, transaction: transaction, contactsManager: strongSelf.contactsManager)
+            searchResults = strongSelf.searcher.searchForHomeScreen(searchText: searchText, transaction: transaction, contactsManager: strongSelf.contactsManager)
         },
                                             completionBlock: { [weak self] in
                                                 AssertIsOnMainThread()

Signal/src/ViewControllers/NewContactThreadViewController.m

@@ -898,6 +898,9 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)searchTextDidChange
 {
     NSString *searchText = self.searchText;
+
+    __weak __typeof(self) weakSelf = self;
+
     [self.uiDatabaseConnection
         asyncReadWithBlock:^(YapDatabaseReadTransaction *_Nonnull transaction) {
             self.searchResults = [self.conversationSearcher searchForComposeScreenWithSearchText:searchText
@@ -905,8 +908,13 @@ NS_ASSUME_NONNULL_BEGIN
                                                                                  contactsManager:self.contactsManager];
         }
         completionBlock:^{
-            [self updateSearchPhoneNumbers];
-            [self updateTableContents];
+            __typeof(self) strongSelf = weakSelf;
+            if (!strongSelf) {
+                return;
+            }
+
+            [strongSelf updateSearchPhoneNumbers];
+            [strongSelf updateTableContents];
             [BenchManager completeEventWithEventId:@"Compose Search"];
         }];
 }

Signal/test/util/SearcherTest.swift

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
 //
 
 import XCTest
@@ -230,7 +230,7 @@ class ConversationSearcherTest: SignalBaseTest {
     }
 
     func testSearchMessageByBodyContent() {
-        var resultSet: SearchResultSet = .empty
+        var resultSet: HomeScreenSearchResultSet = .empty
 
         resultSet = getResultSet(searchText: "Hello Alice")
         XCTAssertEqual(1, resultSet.messages.count)
@@ -243,7 +243,7 @@ class ConversationSearcherTest: SignalBaseTest {
     }
 
     func testSearchEdgeCases() {
-        var resultSet: SearchResultSet = .empty
+        var resultSet: HomeScreenSearchResultSet = .empty
 
         resultSet = getResultSet(searchText: "Hello Alice")
         XCTAssertEqual(1, resultSet.messages.count)
@@ -329,10 +329,10 @@ class ConversationSearcherTest: SignalBaseTest {
         return results.conversations.map { $0.thread }
     }
 
-    private func getResultSet(searchText: String) -> SearchResultSet {
-        var results: SearchResultSet!
+    private func getResultSet(searchText: String) -> HomeScreenSearchResultSet {
+        var results: HomeScreenSearchResultSet!
         self.dbConnection.read { transaction in
-            results = self.searcher.results(searchText: searchText, transaction: transaction, contactsManager: SSKEnvironment.shared.contactsManager)
+            results = self.searcher.searchForHomeScreen(searchText: searchText, transaction: transaction, contactsManager: SSKEnvironment.shared.contactsManager)
         }
         return results
     }

SignalMessaging/utils/ConversationSearcher.swift

@@ -78,8 +78,7 @@ public class ContactSearchResult: NSObject, Comparable {
     }
 }
 
-@objc
-public class SearchResultSet: NSObject {
+public class HomeScreenSearchResultSet: NSObject {
     public let searchText: String
     public let conversations: [ConversationSearchResult<ConversationSortKey>]
     public let contacts: [ContactSearchResult]
@@ -92,8 +91,8 @@ public class SearchResultSet: NSObject {
         self.messages = messages
     }
 
-    public class var empty: SearchResultSet {
-        return SearchResultSet(searchText: "", conversations: [], contacts: [], messages: [])
+    public class var empty: HomeScreenSearchResultSet {
+        return HomeScreenSearchResultSet(searchText: "", conversations: [], contacts: [], messages: [])
     }
 
     public var isEmpty: Bool {
@@ -223,10 +222,9 @@ public class ConversationSearcher: NSObject {
         return ComposeScreenSearchResultSet(searchText: searchText, groups: groups, signalContacts: signalContacts)
     }
 
-    @objc
-    public func results(searchText: String,
-                        transaction: YapDatabaseReadTransaction,
-                        contactsManager: ContactsManagerProtocol) -> SearchResultSet {
+    public func searchForHomeScreen(searchText: String,
+                                    transaction: YapDatabaseReadTransaction,
+                                    contactsManager: ContactsManagerProtocol) -> HomeScreenSearchResultSet {
 
         var conversations: [ConversationSearchResult<ConversationSortKey>] = []
         var contacts: [ContactSearchResult] = []
@@ -278,7 +276,7 @@ public class ConversationSearcher: NSObject {
         // Order "other" contact results by display name.
         otherContacts.sort()
 
-        return SearchResultSet(searchText: searchText, conversations: conversations, contacts: otherContacts, messages: messages)
+        return HomeScreenSearchResultSet(searchText: searchText, conversations: conversations, contacts: otherContacts, messages: messages)
     }
 
     @objc(filterThreads:withSearchText:)